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Cheap Flights from San Francisco to Portland

Popular airlines from San Francisco to Portland

You can choose from 2 airlines that fly from San Francisco to Portland, including United Airlines, Alaska Airlines, Alaska Airlines offers the lowest prices on this route.
United Airlines logo United Airlines
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from San Francisco to Portland according to previous 12 months data from Trip.com.

Explore the cheapest flights from San Francisco to Portland in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 79, and round-trip direct tickets start at S$ 141.

      • Cheapest nonstop
        SFO 12:08
        1h 42m
        Direct
        PDX 13:50
        San Francisco - Portland | Fri, Jul 10 | Alaska Airlines
        PDX 10:42
        1h 57m
        Direct
        SFO 12:39
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 141 S$ 234
        40% off
        40% off
        S$ 234 S$ 141
      • SFO 22:08
        1h 44m
        Direct
        PDX 23:52
        San Francisco - Portland | Thu, Jul 9 | Alaska Airlines
        PDX 07:19
        1h 57m
        Direct
        SFO 09:16
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 142 S$ 234
        39% off
        39% off
        S$ 234 S$ 142
      • SFO 07:20
        1h 42m
        Direct
        PDX 09:02
        San Francisco - Portland | Fri, Jul 24 | Alaska Airlines
        PDX 17:36
        1h 54m
        Direct
        SFO 19:30
        Portland - San Francisco | Fri, Jul 31 | Alaska Airlines
        S$ 168 S$ 234
        28% off
        28% off
        S$ 234 S$ 168
      • SFO 22:52
        1h 58m
        Direct
        PDX 00:50
        San Francisco - Portland | Thu, Jul 9 | United Airlines
        PDX 07:19
        1h 57m
        Direct
        SFO 09:16
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 196
        16% off
        S$ 234 S$ 196
      • SFO 22:52
        1h 58m
        Direct
        PDX 00:50
        San Francisco - Portland | Fri, Jul 10 | United Airlines
        PDX 14:49
        1h 51m
        Direct
        SFO 16:40
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 196
        16% off
        S$ 234 S$ 196
      • SFO 05:55
        4h 40m
        1 stop
        PDX 10:35
        San Francisco - Portland | Fri, Jul 10 | Delta Air Lines
        PDX 07:19
        1h 57m
        Direct
        SFO 09:16
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 148
        37% off
        S$ 234 S$ 148
      • SFO 17:30
        6h 24m
        1 stop
        PDX 23:54
        San Francisco - Portland | Thu, Jul 9 | Delta Air Lines
        PDX 07:19
        1h 57m
        Direct
        SFO 09:16
        Portland - San Francisco | Thu, Jul 16 | Alaska Airlines
        S$ 148
        37% off
        S$ 234 S$ 148
      • SFO 05:55
        4h 40m
        1 stop
        PDX 10:35
        San Francisco - Portland | Fri, Jul 24 | Delta Air Lines
        PDX 21:45
        1h 51m
        Direct
        SFO 23:36
        Portland - San Francisco | Fri, Jul 31 | Alaska Airlines
        S$ 179
        24% off
        S$ 234 S$ 179
      • SFO 13:00
        17h 25m
        1 stop
        PDX 14:00
        San Francisco - Portland | Thu, Jun 11 | Normal Airline
        PDX 15:00
        6h
        Direct
        SFO 16:00
        Portland - San Francisco | Sat, Jun 13 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SFO 22:08
        1h 44m
        Direct
        PDX 23:52
        San Francisco - Portland | Thu, Jun 18 | Alaska Airlines
        S$ 79 S$ 104
        24% off
        24% off
        S$ 104 S$ 79
      • SFO 15:02
        1h 45m
        Direct
        PDX 16:47
        San Francisco - Portland | Fri, Jul 31 | Alaska Airlines
        S$ 85 S$ 104
        18% off
        18% off
        S$ 104 S$ 85
      • SFO 22:08
        1h 44m
        Direct
        PDX 23:52
        San Francisco - Portland | Fri, Jul 10 | Alaska Airlines
        S$ 85 S$ 104
        18% off
        18% off
        S$ 104 S$ 85
      • SFO 07:20
        1h 42m
        Direct
        PDX 09:02
        San Francisco - Portland | Fri, Jun 26 | Alaska Airlines
        S$ 85
        18% off
        S$ 104 S$ 85
      • SFO 18:46
        1h 45m
        Direct
        PDX 20:31
        San Francisco - Portland | Thu, Jul 9 | Alaska Airlines
        S$ 85
        18% off
        S$ 104 S$ 85
      • SFO 07:20
        1h 42m
        Direct
        PDX 09:02
        San Francisco - Portland | Fri, Jun 12 | Alaska Airlines
        S$ 86
        17% off
        S$ 104 S$ 86
      • SFO 18:58
        1h 52m
        Direct
        PDX 20:50
        San Francisco - Portland | Thu, Jun 11 | Alaska Airlines
        S$ 87
        16% off
        S$ 104 S$ 87
      • SFO 06:00
        5h 43m
        1 stop
        PDX 11:43
        San Francisco - Portland | Thu, Jun 18 | Delta Air Lines
        S$ 84
        19% off
        S$ 104 S$ 84
      • SFO 05:55
        5h 46m
        1 stop
        PDX 11:41
        San Francisco - Portland | Thu, Jul 9 | Delta Air Lines
        S$ 87
        16% off
        S$ 104 S$ 87
      • SFO 10:35
        6h 31m
        1 stop
        PDX 17:06
        San Francisco - Portland | Fri, Jul 31 | Delta Air Lines
        S$ 87
        16% off
        S$ 104 S$ 87
      • SFO 13:00
        17h 25m
        1 stop
        PDX 14:00
        San Francisco - Portland | Thu, Jun 11 | Normal Airline
        Find more flights
        Find more flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from San Francisco to Portland

The distance between San Francisco and Portland is approximately 886.36km. It takes around 1 hour 47 minutes on average to fly from San Francisco to Portland. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight priceS$ 79
Cheapest return ticket priceS$ 141
Off-season for travelAugust
Peak season for travelJuly
Flight distance886.36km
Average flight time1 hour 47 minutes
Popular airlineUnited Airlines
Flight statistics for the San Francisco–Portland route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from San Francisco to Portland.

What is the cheapest month for one-way flights from San Francisco to Portland?

The average price of one-way flights from San Francisco to Portland purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Portland is June, with an average price of S$ 171, and the most expensive month is May, with an average price of up to S$ 287.

S$ 287
S$ 229
S$ 171
S$ 113
  • S$ 171
    Jun
  • S$ 195
    Jul
  • S$ 194
    Aug
  • S$ 225
    Sep
  • S$ 259
    Oct
  • S$ 228
    Nov
  • S$ 238
    Dec
  • S$ 221
    Jan
  • S$ 260
    Feb
  • S$ 274
    Mar
  • S$ 218
    Apr
  • S$ 287
    May

What is the cheapest month for round-trip flights from San Francisco to Portland?

The average price of round-trip flights from San Francisco to Portland purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from San Francisco to Portland is December, with an average price of S$ 187, and the most expensive month is September, with an average price of up to S$ 563.

S$ 563
S$ 375
S$ 187
0
    Cheapest
  • S$ 410
    Jun
  • S$ 365
    Jul
  • S$ 356
    Aug
  • S$ 563
    Sep
  • S$ 352
    Oct
  • S$ 337
    Nov
  • S$ 187
    Dec
  • S$ 349
    Jan
  • S$ 432
    Feb
  • S$ 442
    Mar
  • S$ 321
    Apr
  • S$ 369
    May

Frequently Asked Questions

  • Which airlines offer the cheapest flights from San Francisco (SFO) to Portland (PDX)?

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as S$ 79 on Cheapest nonstop routes (e.g. SFO to PDX on Thu, Jun 18), while Alaska Airlines offers Cheapest nonstop round-trips from S$ 141 departing on Fri, Jul 10 and returning on Thu, Jul 16.
  • At the moment, you can catch a direct flight from San Francisco to Portland with the following airlines, including: Alaska Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 47 minutes to fly from San Francisco (SFO) to Portland (PDX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Portland is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 45 flight per week flying from San Francisco to Portland. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS1410 (07:44)
  • To find best deals on flights from San Francisco to Portland, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jun 18, with one-way flights priced at just S$ 79.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Portland travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Francisco to Portland is August, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from San Francisco to Portland on June 30, 2026 with Alaska Airlines, with prices starting at S$ 166.
  • You can land at any one of the following hubs in Portland, with San Francisco International Airport to Portland International Airport (SFO-PDX) is by far the most common option on this route: Portland International Airport (PDX) Hillsboro Airport (HIO).
  • The time difference between Portland and San Francisco is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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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.