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San Diego International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from San Diego International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from NZD 108 and round-trip from NZD 153. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SAN 07:45
        3h 13m
        Direct
        SEA 10:58
        San Diego - Seattle | Fri, Oct 30 | Delta Air Lines
        SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Mon, Nov 2 | Delta Air Lines
        NZD 153 NZD 191
        20% off
        20% off
        NZD 191 NZD 153
      • SAN 13:53
        3h 7m
        Direct
        SEA 17:00
        San Diego - Seattle | Sat, Oct 31 | Delta Air Lines
        SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Mon, Nov 2 | Delta Air Lines
        NZD 153 NZD 191
        20% off
        20% off
        NZD 191 NZD 153
      • SAN 19:27
        3h 6m
        Direct
        SEA 22:33
        San Diego - Seattle | Wed, Nov 11 | Alaska Airlines
        SEA 07:04
        3h 2m
        Direct
        SAN 10:06
        Seattle - San Diego | Wed, Nov 18 | Alaska Airlines
        NZD 157 NZD 191
        18% off
        18% off
        NZD 191 NZD 157
      • SAN 11:30
        3h 9m
        Direct
        SEA 14:39
        San Diego - Seattle | Fri, Oct 23 | Alaska Airlines
        SEA 08:49
        3h 1m
        Direct
        SAN 11:50
        Seattle - San Diego | Mon, Oct 26 | Alaska Airlines
        NZD 158
        17% off
        NZD 191 NZD 158
      • SAN 09:20
        3h 8m
        Direct
        SEA 12:28
        San Diego - Seattle | Sat, Nov 7 | Alaska Airlines
        SEA 21:08
        2h 51m
        Direct
        SAN 23:59
        Seattle - San Diego | Mon, Nov 9 | Alaska Airlines
        NZD 159
        17% off
        NZD 191 NZD 159
      • SAN 19:27
        3h 6m
        Direct
        SEA 22:33
        San Diego - Seattle | Sun, Oct 25 | Alaska Airlines
        SEA 08:49
        3h 1m
        Direct
        SAN 11:50
        Seattle - San Diego | Mon, Oct 26 | Alaska Airlines
        NZD 159
        17% off
        NZD 191 NZD 159
      • SAN 17:20
        3h 6m
        Direct
        SEA 20:26
        San Diego - Seattle | Thu, Nov 12 | Alaska Airlines
        SEA 07:04
        3h 2m
        Direct
        SAN 10:06
        Seattle - San Diego | Thu, Nov 19 | Alaska Airlines
        NZD 160
        16% off
        NZD 191 NZD 160
      • SAN 18:27
        3h 6m
        Direct
        SEA 21:33
        San Diego - Seattle | Sun, Nov 8 | Alaska Airlines
        SEA 08:49
        3h 1m
        Direct
        SAN 11:50
        Seattle - San Diego | Sun, Nov 15 | Alaska Airlines
        NZD 161
        16% off
        NZD 191 NZD 161
      • SAN 19:45
        3h 12m
        Direct
        SEA 22:57
        San Diego - Seattle | Sat, Nov 28 | Alaska Airlines
        SEA 11:43
        3h 4m
        Direct
        SAN 14:47
        Seattle - San Diego | Wed, Dec 2 | Alaska Airlines
        NZD 162
        15% off
        NZD 191 NZD 162
      • SAN 07:45
        3h 13m
        Direct
        SEA 10:58
        San Diego - Seattle | Sat, Nov 21 | Delta Air Lines
        SEA 09:59
        2h 59m
        Direct
        SAN 12:58
        Seattle - San Diego | Mon, Nov 23 | Delta Air Lines
        NZD 162
        15% off
        NZD 191 NZD 162
      • SAN 11:02
        3h 16m
        Direct
        SEA 14:18
        San Diego - Seattle | Thu, Oct 29 | Delta Air Lines
        SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Tue, Nov 3 | Delta Air Lines
        NZD 162
        15% off
        NZD 191 NZD 162
      • SAN 07:20
        3h 18m
        Direct
        SEA 10:38
        San Diego - Seattle | Sun, Dec 6 | Delta Air Lines
        SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Tue, Dec 8 | Delta Air Lines
        NZD 162
        15% off
        NZD 191 NZD 162
      • SAN 13:00
        17h 25m
        1 stop
        SEA 14:00
        San Diego - Seattle | Mon, Oct 12 | Normal Airline
        SEA 15:00
        6h
        Direct
        SAN 16:00
        Seattle - San Diego | Wed, Oct 14 | Normal Airline
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      • Cheapest nonstop
        SAN 18:22
        3h 7m
        Direct
        SEA 21:29
        San Diego - Seattle | Thu, Nov 26 | Alaska Airlines
        NZD 132 NZD 158
        16% off
        16% off
        NZD 158 NZD 132
      • SAN 18:27
        3h 6m
        Direct
        SEA 21:33
        San Diego - Seattle | Sun, Nov 22 | Alaska Airlines
        NZD 133 NZD 158
        16% off
        16% off
        NZD 158 NZD 133
      • SAN 19:27
        3h 6m
        Direct
        SEA 22:33
        San Diego - Seattle | Sat, Nov 21 | Alaska Airlines
        NZD 133 NZD 158
        16% off
        16% off
        NZD 158 NZD 133
      • SAN 19:27
        3h 6m
        Direct
        SEA 22:33
        San Diego - Seattle | Wed, Oct 28 | Alaska Airlines
        NZD 134
        15% off
        NZD 158 NZD 134
      • SAN 19:27
        3h 6m
        Direct
        SEA 22:33
        San Diego - Seattle | Sun, Nov 8 | Alaska Airlines
        NZD 134
        15% off
        NZD 158 NZD 134
      • SAN 20:32
        14h 27m
        1 stop
        SEA 10:59
        San Diego - Seattle | Tue, Nov 24 | Frontier Airlines
        NZD 108
        32% off
        NZD 158 NZD 108
      • SAN 15:14
        7h 49m
        1 stop
        SEA 23:03
        San Diego - Seattle | Fri, Nov 6 | Frontier Airlines
        NZD 126
        20% off
        NZD 158 NZD 126
      • SAN 06:25
        8h 47m
        1 stop
        SEA 15:12
        San Diego - Seattle | Thu, Nov 26 | Frontier Airlines
        NZD 127
        20% off
        NZD 158 NZD 127
      • SAN 06:25
        8h 47m
        1 stop
        SEA 15:12
        San Diego - Seattle | Sun, Nov 22 | Frontier Airlines
        NZD 128
        19% off
        NZD 158 NZD 128
      • SAN 06:25
        8h 47m
        1 stop
        SEA 15:12
        San Diego - Seattle | Wed, Nov 11 | Frontier Airlines
        NZD 128
        19% off
        NZD 158 NZD 128
      • SAN 13:00
        17h 25m
        1 stop
        SEA 14:00
        San Diego - Seattle | Mon, Oct 12 | Normal Airline
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Flight prices from San Diego International Airport to Seattle-Tacoma International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Trip.com Price Insights: Flights from San Diego International Airport to Seattle-Tacoma International Airport

Which month has the cheapest one-way flights from San Diego International Airport to Seattle-Tacoma 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 Diego International Airport to Seattle-Tacoma International Airport.

Based on Trip.com data from the past 12 months, the cheapest one-way flights from San Diego International Airport to Seattle-Tacoma International Airport are usually in April, with an average price of NZD 316. March sees the highest fares, around NZD 490.

NZD 490
NZD 403
NZD 316
NZD 229
    Cheapest
  • NZD 378
    Oct
  • NZD 389
    Nov
  • NZD 411
    Dec
  • NZD 346
    Jan
  • NZD 365
    Feb
  • NZD 490
    Mar
  • NZD 316
    Apr
  • NZD 398
    May
  • NZD 432
    Jun
  • NZD 481
    Jul
  • NZD 402
    Aug
  • NZD 413
    Sep

Which month has the cheapest round-trip flights from San Diego International Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average round-trip fares by month from San Diego International Airport to Seattle-Tacoma International Airport.

Based on Trip.com data from the past 12 months, the cheapest round‑trip flights from San Diego International Airport to Seattle-Tacoma International Airport are usually in April, with an average price of NZD 315. November sees the highest fares, around NZD 826.

NZD 826
NZD 571
NZD 315
NZD 60
    Cheapest
  • NZD 502
    Oct
  • NZD 826
    Nov
  • NZD 627
    Dec
  • NZD 423
    Jan
  • NZD 492
    Feb
  • NZD 782
    Mar
  • NZD 315
    Apr
  • NZD 440
    May
  • NZD 518
    Jun
  • NZD 484
    Jul
  • NZD 632
    Aug
  • NZD 453
    Sep

Which day of the week has the cheapest flights from San Diego International Airport to Seattle-Tacoma 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 Diego International Airport to Seattle-Tacoma International Airport.

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

NZD 544
NZD 437
NZD 329
NZD 222
    Cheapest
  • NZD 363
    Mon
  • NZD 351
    Tue
  • NZD 329
    Wed
  • NZD 391
    Thu
  • NZD 451
    Fri
  • NZD 394
    Sat
  • NZD 544
    Sun

Which airline offers the cheapest flights from San Diego International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from San Diego International Airport to Seattle-Tacoma International Airport is Frontier Airlines (from NZD 108) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From NZD 108
Alaska Airlines
From NZD 132
Delta Air Lines
From NZD 136
Hahn Air
From NZD 141
American Airlines
From NZD 142
United Airlines
From NZD 226

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What is the flight schedule from San Diego International Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from San Diego to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS685

    San Diego International Airport

    17:20

    SAN

    3h 7m

    20:27

    SEA

    S M T W T F S
    Search

  2. DL2572

    San Diego International Airport

    15:59

    SAN

    3h 3m

    19:02

    SEA

    S M T W T F S
    Search

  3. AS792

    San Diego International Airport

    09:20

    SAN

    3h 8m

    12:28

    SEA

    S M T W T F S
    Search

  4. AS683

    San Diego International Airport

    18:27

    SAN

    3h 6m

    21:33

    SEA

    S M T W T F S
    Search

  5. DL2533

    San Diego International Airport

    13:53

    SAN

    3h 7m

    17:00

    SEA

    S M T W T F S
    Search

  6. AS608

    San Diego International Airport

    06:15

    SAN

    3h 12m

    09:27

    SEA

    S M T W T F S
    Search

  7. DL2530

    San Diego International Airport

    06:50

    SAN

    3h 15m

    10:05

    SEA

    S M T W T F S
    Search

  8. F92818

    San Diego International Airport

    06:30

    SAN

    2h 34m

    Direct

    10:04

    DEN

    S M T W T F S
    Search

  9. F91175

    Denver International Airport

    13:07

    DEN

    3h 5m

    Direct

    15:12

    SEA

    S M T W T F S
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About San Diego International Airport and Seattle-Tacoma International Airport

Learn about San Diego International Airport (SAN) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 1,693.46km
Cheapest one-way ticket price NZD 108
Cheapest return ticket price NZD 153

FAQs for San Diego International Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from San Diego International Airport to Seattle-Tacoma International Airport?

    San Diego International Airport to Seattle-Tacoma International Airport takes about 2 hours 29 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 8 daily flights from San Diego International Airport (SAN) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from San Diego International Airport to Seattle-Tacoma International Airport departs at 06:15, and the last departs at 20:28, with about 28 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Diego International Airport (SAN) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around NZD 478 in October, the most expensive month to book this route.
  • The earliest flight departs from San Diego International Airport (SAN) at 06:15 and arrives in Seattle-Tacoma International Airport (SEA) at 09:27.
  • The latest flight departs from San Diego International Airport (SAN) at 20:50 and arrives in Seattle-Tacoma International Airport (SEA) at 23:59.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Delta Air Lines is a very popular airline operating an average of 2518 flights per month.
  • One-way flights from San Diego International Airport to Seattle-Tacoma International Airport currently start from NZD 108, and round-trip fares start from NZD 153. The current lowest fare is a Frontier Airlines flight departing on Tue, Nov 24; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and Cathay Pacific operate direct flights from San Diego International Airport to Seattle-Tacoma International Airport, with an average flight time of 2 hours 28 minutes, and around 101 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 Diego International Airport to Seattle-Tacoma International Airport is NZD 322. Prices may vary depending on the departure date, airline, and availability.
  • Condor and Westjet are the most popular budget airlines flying from San Diego International Airport to Seattle-Tacoma International Airport, with one-way fares starting from NZD 108. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Diego International Airport to Seattle-Tacoma International Airport operates around 105 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Diego International Airport and Seattle-Tacoma 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.

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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.