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San Francisco International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from San Francisco International Airport to Dulles International Airport over the next 90 days, with one-way fares from S$ 131 and round-trip from S$ 254. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SFO 06:15
      5h 7m
      Direct
      IAD 14:22
      San Francisco - Washington D.C. | Tue, Nov 10 | United Airlines
      IAD 17:49
      6h 11m
      Direct
      SFO 21:00
      Washington D.C. - San Francisco | Tue, Nov 17 | United Airlines
      S$ 682 S$ 796
      14% off
      14% off
      S$ 796 S$ 682
    • SFO 06:00
      5h 7m
      Direct
      IAD 14:07
      San Francisco - Washington D.C. | Sat, Dec 19 | United Airlines
      IAD 22:13
      6h 17m
      Direct
      SFO 01:30
      Washington D.C. - San Francisco | Fri, Dec 25 | United Airlines
      S$ 708 S$ 796
      11% off
      11% off
      S$ 796 S$ 708
    • SFO 23:52
      8h 44m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      IAD 13:09
      23h 49m
      1 stop
      SFO 09:58
      Washington D.C. - San Francisco | Tue, Nov 24 | Frontier Airlines
      S$ 254 S$ 796
      68% off
      68% off
      S$ 796 S$ 254
    • SFO 23:52
      8h 44m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Wed, Nov 11 | Frontier Airlines
      IAD 12:31
      12h 58m
      1 stop
      SFO 22:29
      Washington D.C. - San Francisco | Wed, Nov 18 | Frontier Airlines
      S$ 270
      66% off
      S$ 796 S$ 270
    • SFO 23:47
      8h 49m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Mon, Nov 9 | Frontier Airlines
      IAD 12:31
      12h 58m
      1 stop
      SFO 22:29
      Washington D.C. - San Francisco | Tue, Nov 17 | Frontier Airlines
      S$ 283
      64% off
      S$ 796 S$ 283
    • SFO 22:44
      13h 5m
      1 stop
      IAD 14:49
      San Francisco - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      DCA 13:40
      8h 51m
      1 stop
      SFO 19:31
      Washington D.C. - San Francisco | Sat, Dec 12 | Frontier Airlines
      S$ 307
      61% off
      S$ 796 S$ 307
    • SFO 23:47
      8h 49m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Tue, Nov 10 | Frontier Airlines
      DCA 07:00
      20h 20m
      1 stop
      SFO 00:20
      Washington D.C. - San Francisco | Wed, Nov 18 | Frontier Airlines
      S$ 309
      61% off
      S$ 796 S$ 309
    • SFO 22:46
      13h 3m
      1 stop
      IAD 14:49
      San Francisco - Washington D.C. | Thu, Dec 3 | Frontier Airlines
      DCA 13:40
      8h 51m
      1 stop
      SFO 19:31
      Washington D.C. - San Francisco | Sat, Dec 5 | Frontier Airlines
      S$ 310
      61% off
      S$ 796 S$ 310
    • SFO 23:52
      8h 44m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Sat, Nov 14 | Frontier Airlines
      IAD 22:02
      13h 59m
      1 stop
      SFO 09:01
      Washington D.C. - San Francisco | Sat, Nov 21 | Frontier Airlines
      S$ 315
      60% off
      S$ 796 S$ 315
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
      WAS 15:00
      6h
      Direct
      SFO 16:00
      Washington D.C. - San Francisco | Thu, Nov 5 | Normal Airline
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    • Cheapest
      SFO 15:29
      10h 41m
      1 stop
      IAD 05:10
      San Francisco - Washington D.C. | Mon, Nov 23 | Frontier Airlines
      S$ 131 S$ 381
      66% off
      66% off
      S$ 381 S$ 131
    • SFO 19:11
      7h 56m
      1 stop
      IAD 06:07
      San Francisco - Washington D.C. | Mon, Dec 21 | Frontier Airlines
      S$ 166 S$ 381
      56% off
      56% off
      S$ 381 S$ 166
    • SFO 22:41
      9h 30m
      1 stop
      IAD 11:11
      San Francisco - Washington D.C. | Mon, Dec 14 | Frontier Airlines
      S$ 169 S$ 381
      56% off
      56% off
      S$ 381 S$ 169
    • SFO 23:52
      8h 44m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Sat, Nov 7 | Frontier Airlines
      S$ 183
      52% off
      S$ 381 S$ 183
    • SFO 22:41
      9h 30m
      1 stop
      IAD 11:11
      San Francisco - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      S$ 201
      47% off
      S$ 381 S$ 201
    • SFO 22:41
      9h 30m
      1 stop
      IAD 11:11
      San Francisco - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      S$ 201
      47% off
      S$ 381 S$ 201
    • SFO 19:11
      6h 59m
      1 stop
      IAD 05:10
      San Francisco - Washington D.C. | Sun, Nov 22 | Frontier Airlines
      S$ 204
      46% off
      S$ 381 S$ 204
    • SFO 22:46
      13h 3m
      1 stop
      IAD 14:49
      San Francisco - Washington D.C. | Fri, Dec 4 | Frontier Airlines
      S$ 207
      46% off
      S$ 381 S$ 207
    • SFO 23:26
      9h 48m
      1 stop
      IAD 12:14
      San Francisco - Washington D.C. | Thu, Nov 26 | Frontier Airlines
      S$ 210
      45% off
      S$ 381 S$ 210
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
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    • Cheapest nonstop
      SFO 23:20
      5h 8m
      Direct
      IAD 07:28
      San Francisco - Washington D.C. | Thu, Nov 12 | United Airlines
      S$ 333 S$ 381
      13% off
      13% off
      S$ 381 S$ 333
    • SFO 22:55
      5h 30m
      Direct
      IAD 07:25
      San Francisco - Washington D.C. | Sun, Nov 15 | United Airlines
      S$ 339 S$ 381
      11% off
      11% off
      S$ 381 S$ 339
    • SFO 06:01
      5h 7m
      Direct
      IAD 14:08
      San Francisco - Washington D.C. | Tue, Jan 5 | United Airlines
      S$ 370 S$ 796
      54% off
      54% off
      S$ 796 S$ 370
    • SFO 13:50
      5h 7m
      Direct
      IAD 21:57
      San Francisco - Washington D.C. | Wed, Dec 9 | United Airlines
      S$ 374
      53% off
      S$ 796 S$ 374
    • SFO 06:00
      5h 7m
      Direct
      IAD 14:07
      San Francisco - Washington D.C. | Tue, Dec 1 | United Airlines
      S$ 376
      53% off
      S$ 796 S$ 376
    • SFO 08:10
      4h 56m
      Direct
      IAD 16:06
      San Francisco - Washington D.C. | Wed, Jan 6 | United Airlines
      S$ 380
      50% off
      S$ 756 S$ 380
    • SFO 23:24
      5h 8m
      Direct
      IAD 07:32
      San Francisco - Washington D.C. | Wed, Jan 13 | United Airlines
      S$ 384
      52% off
      S$ 796 S$ 384
    • SFO 13:50
      5h 7m
      Direct
      IAD 21:57
      San Francisco - Washington D.C. | Wed, Dec 16 | United Airlines
      S$ 386
      52% off
      S$ 796 S$ 386
    • SFO 08:10
      4h 56m
      Direct
      IAD 16:06
      San Francisco - Washington D.C. | Sat, Jan 16 | United Airlines
      S$ 390
      48% off
      S$ 756 S$ 390
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
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    • Cheapest nonstop
      SFO 06:01
      5h 7m
      Direct
      IAD 14:08
      San Francisco - Washington D.C. | Tue, Jan 5 | United Airlines
      S$ 370 S$ 796
      54% off
      54% off
      S$ 796 S$ 370
    • SFO 13:50
      5h 7m
      Direct
      IAD 21:57
      San Francisco - Washington D.C. | Wed, Dec 9 | United Airlines
      S$ 374 S$ 796
      53% off
      53% off
      S$ 796 S$ 374
    • SFO 06:00
      5h 7m
      Direct
      IAD 14:07
      San Francisco - Washington D.C. | Tue, Dec 1 | United Airlines
      S$ 376 S$ 796
      53% off
      53% off
      S$ 796 S$ 376
    • SFO 23:24
      5h 8m
      Direct
      IAD 07:32
      San Francisco - Washington D.C. | Wed, Jan 13 | United Airlines
      S$ 384
      52% off
      S$ 796 S$ 384
    • SFO 13:50
      5h 7m
      Direct
      IAD 21:57
      San Francisco - Washington D.C. | Wed, Dec 16 | United Airlines
      S$ 386
      52% off
      S$ 796 S$ 386
    • SFO 16:49
      5h 10m
      Direct
      IAD 00:59
      San Francisco - Washington D.C. | Tue, Dec 29 | United Airlines
      S$ 392
      51% off
      S$ 796 S$ 392
    • SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Wed, Nov 25 | United Airlines
      S$ 403
      49% off
      S$ 796 S$ 403
    • SFO 16:51
      5h 8m
      Direct
      IAD 00:59
      San Francisco - Washington D.C. | Fri, Dec 11 | United Airlines
      S$ 407
      49% off
      S$ 796 S$ 407
    • SFO 13:50
      5h 6m
      Direct
      IAD 21:56
      San Francisco - Washington D.C. | Mon, Nov 9 | United Airlines
      S$ 436
      45% off
      S$ 796 S$ 436
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
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    • Cheapest nonstop
      SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Sun, Nov 8 | United Airlines
      S$ 436 S$ 969
      55% off
      55% off
      S$ 969 S$ 436
    • SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Fri, Nov 6 | United Airlines
      S$ 569 S$ 969
      41% off
      41% off
      S$ 969 S$ 569
    • SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Thu, Nov 5 | United Airlines
      S$ 573 S$ 969
      41% off
      41% off
      S$ 969 S$ 573
    • SFO 13:50
      5h 6m
      Direct
      IAD 21:56
      San Francisco - Washington D.C. | Tue, Nov 3 | United Airlines
      S$ 588
      39% off
      S$ 969 S$ 588
    • SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Wed, Nov 4 | United Airlines
      S$ 589
      39% off
      S$ 969 S$ 589
    • SFO 21:28
      5h 7m
      Direct
      IAD 05:35
      San Francisco - Washington D.C. | Mon, Nov 2 | United Airlines
      S$ 862
      11% off
      S$ 969 S$ 862
    • SFO 23:47
      8h 49m
      1 stop
      IAD 11:36
      San Francisco - Washington D.C. | Sun, Nov 8 | Frontier Airlines
      S$ 283
      71% off
      S$ 969 S$ 283
    • SFO 18:48
      7h 56m
      1 stop
      IAD 05:44
      San Francisco - Washington D.C. | Wed, Nov 4 | Alaska Airlines
      S$ 291
      70% off
      S$ 969 S$ 291
    • SFO 18:48
      7h 56m
      1 stop
      IAD 05:44
      San Francisco - Washington D.C. | Mon, Nov 2 | Alaska Airlines
      S$ 294
      70% off
      S$ 969 S$ 294
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
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    • SFO 08:10
      4h 56m
      Direct
      IAD 16:06
      San Francisco - Washington D.C. | Wed, Jan 6 | United Airlines
      S$ 380 S$ 756
      50% off
      50% off
      S$ 756 S$ 380
    • SFO 08:10
      4h 56m
      Direct
      IAD 16:06
      San Francisco - Washington D.C. | Sat, Jan 16 | United Airlines
      S$ 390 S$ 756
      48% off
      48% off
      S$ 756 S$ 390
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Thu, Dec 31 | United Airlines
      S$ 407 S$ 756
      46% off
      46% off
      S$ 756 S$ 407
    • SFO 08:10
      4h 56m
      Direct
      IAD 16:06
      San Francisco - Washington D.C. | Thu, Jan 7 | United Airlines
      S$ 407
      46% off
      S$ 756 S$ 407
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Mon, Jan 4 | United Airlines
      S$ 433
      43% off
      S$ 756 S$ 433
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Thu, Dec 24 | United Airlines
      S$ 437
      42% off
      S$ 756 S$ 437
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Tue, Dec 29 | United Airlines
      S$ 442
      42% off
      S$ 756 S$ 442
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Fri, Dec 25 | United Airlines
      S$ 471
      38% off
      S$ 756 S$ 471
    • SFO 08:13
      4h 56m
      Direct
      IAD 16:09
      San Francisco - Washington D.C. | Sat, Dec 26 | United Airlines
      S$ 537
      28% off
      S$ 756 S$ 537
    • SFO 13:00
      17h 25m
      1 stop
      WAS 14:00
      San Francisco - Washington D.C. | Tue, Nov 3 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Trip.com Price Insights: Flights from San Francisco International Airport to Dulles International Airport

Which month has the cheapest one-way flights from San Francisco International Airport to Dulles International Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from San Francisco International Airport to Dulles International Airport.

Based on Trip.com data from the past 12 months, the cheapest one-way flights from San Francisco International Airport to Dulles International Airport are usually in May, with an average price of S$ 323. October sees the highest fares, around S$ 675.

S$ 675
S$ 499
S$ 323
S$ 147
    Cheapest
  • S$ 675
    Oct
  • S$ 531
    Nov
  • S$ 437
    Dec
  • S$ 416
    Jan
  • S$ 432
    Feb
  • S$ 636
    Mar
  • S$ 591
    Apr
  • S$ 323
    May
  • S$ 491
    Jun
  • S$ 414
    Jul
  • S$ 424
    Aug
  • S$ 454
    Sep

Which day of the week has the cheapest flights from San Francisco International Airport to Dulles International Airport?

The data is based on Trip.com data from the past 12 months and shows the average fares by each day of the week from San Francisco International Airport to Dulles International Airport.

Based on Trip.com data from the past 12 months, the cheapest day for flights from San Francisco International Airport to Dulles International Airport is Monday, with average prices lower than other days. Try to avoid departing on Wednesday, as fares are typically the highest.

S$ 498
S$ 460
S$ 422
S$ 384
  • S$ 422
    Mon
  • S$ 463
    Tue
  • S$ 498
    Wed
  • S$ 451
    Thu
  • S$ 494
    Fri
  • S$ 427
    Sat
  • S$ 452
    Sun

Which airline offers the cheapest flights from San Francisco International Airport to Dulles International Airport?

The cheapest airline flying from San Francisco International Airport to Dulles International Airport is Frontier Airlines (from S$ 127) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From S$ 127
Alaska Airlines
From S$ 156
American Airlines
From S$ 220
Delta Air Lines
From S$ 240
Sun Country Airlines
From S$ 303
United Airlines
From S$ 339
Porter Airlines
From S$ 347
Air Canada
From S$ 408
Jetblue Airways
From S$ 568

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What is the flight schedule from San Francisco International Airport to Dulles International Airport?

Check the schedule for flights from San Francisco to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1450

    San Francisco International Airport

    07:04

    SFO

    1h 38m

    Direct

    08:42

    SAN

    S M T W T F S
    Search

  2. AS506

    San Diego International Airport

    09:41

    SAN

    4h 59m

    Direct

    17:40

    IAD

    S M T W T F S

  3. F92930

    San Francisco International Airport

    09:56

    SFO

    3h 38m

    Direct

    15:34

    DFW

    S M T W T F S
    Search

  4. F93208

    Dallas Fort Worth International Airport

    15:28

    DFW

    3h 6m

    Direct

    19:34

    IAD

    S M T W T F S

  5. AS1340

    San Francisco International Airport

    17:42

    SFO

    2h 12m

    Direct

    19:54

    SEA

    S M T W T - S
    Search

  6. AS367

    Seattle-Tacoma International Airport

    21:49

    SEA

    4h 55m

    Direct

    05:44

    IAD

    S M T W T F S

  7. F91448

    San Francisco International Airport

    00:53

    SFO

    4h 59m

    Direct

    08:52

    ATL

    S M T W T F S
    Search

  8. F94410

    Hartsfield–Jackson Atlanta International Airport

    13:00

    ATL

    1h 48m

    Direct

    14:48

    IAD

    S M T W T F S

  9. AS630

    San Francisco International Airport

    15:08

    SFO

    2h 13m

    Direct

    17:21

    SEA

    S M T W T F S
    Search

  10. AS737

    Seattle-Tacoma International Airport

    08:07

    SEA

    5h 7m

    Direct

    16:14

    IAD

    S M T W T F S
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About San Francisco International Airport and Dulles International Airport

Learn about San Francisco International Airport (SFO) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 3,889.61km
Cheapest one-way ticket price S$ 131
Cheapest return ticket price S$ 254

FAQs for San Francisco International Airport to Dulles International Airport Flights

  • How long is the flight from San Francisco International Airport to Dulles International Airport?

    San Francisco International Airport to Dulles International Airport takes about 5 hours 5 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 9 daily flights from San Francisco International Airport (SFO) to Dulles International Airport (IAD).
  • The earliest flight from San Francisco International Airport to Dulles International Airport departs at 06:15, and the last departs at 23:20, with about 18 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco International Airport (SFO) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around S$ 672 in November, the most expensive month to book this route.
  • The earliest flight departs from San Francisco International Airport (SFO) at 06:45 and arrives in Dulles International Airport (IAD) at 14:50.
  • The latest flight departs from San Francisco International Airport (SFO) at 21:20 and arrives in Dulles International Airport (IAD) at 05:27.
  • United Airlines is a very popular airline operating an average of 7509 flights per month.
  • One-way flights from San Francisco International Airport to Dulles International Airport currently start from S$ 131, and round-trip fares start from S$ 254. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 23; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from San Francisco International Airport to Dulles International Airport, with an average flight time of 5 hours 50 minutes, and around 85 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from San Francisco International Airport to Dulles International Airport is S$ 416. Prices may vary depending on the departure date, airline, and availability.
  • San Francisco International Airport to Dulles International Airport operates around 87 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco International Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.