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Flights from San Francisco to Washington D.C.

San Francisco to Washington D.C. Flight Information

The approximate distance between San Francisco and Washington D.C. is 3,921.97 km. Average flight time from San Francisco to Washington D.C. is around 5 hours 52 minutes. According to Trip.com data, travel demand hits its peak in July. The cheapest month to book flights is November.

Cheapest one-way
US$107
Frontier Airlines Frontier Airlines SFO-WAS 7h 55m · 1 stop Tue, Sep 15
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Cheapest round-trip
US$155
Frontier Airlines Frontier Airlines SFO-WAS 17h 44m · 2 stops Wed, Aug 19 - Wed, Aug 26
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Recommended airlines
Frontier Airlines Frontier Airlines Cheapest · From US$107 United Airlines United Airlines Most booked
When to fly
February
Cheapest
July
Peak season
Route details
3,921.97 km
Flight distance
5h 52m
Average flight time

Search for direct flights from San Francisco to Washington D.C. in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$185, and round-trip direct flights start at US$352.

      • Cheapest nonstop
        SFO 09:39
        5h 20m
        Nonstop
        DCA 17:59
        San Francisco - Washington D.C. | Sat, Aug 29 | Alaska Airlines
        DCA 18:59
        5h 55m
        Nonstop
        SFO 21:54
        Washington D.C. - San Francisco | Sat, Sep 5 | Alaska Airlines
        US$352 US$410
        14% off
        14% off
        US$410 US$352
      • SFO 09:39
        5h 20m
        Nonstop
        DCA 17:59
        San Francisco - Washington D.C. | Tue, Aug 25 | Alaska Airlines
        DCA 18:59
        5h 55m
        Nonstop
        SFO 21:54
        Washington D.C. - San Francisco | Tue, Sep 1 | Alaska Airlines
        US$356 US$410
        13% off
        13% off
        US$410 US$356
      • SFO 11:20
        17h 44m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Wed, Aug 19 | Frontier Airlines
        IAD 08:59
        13h 57m
        1 stop
        SFO 19:56
        Washington D.C. - San Francisco | Wed, Aug 26 | Frontier Airlines
        US$155 US$410
        62% off
        62% off
        US$410 US$155
      • SFO 11:00
        18h 4m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Thu, Aug 27 | Frontier Airlines
        IAD 08:59
        10h 37m
        1 stop
        SFO 16:36
        Washington D.C. - San Francisco | Mon, Aug 31 | Frontier Airlines
        US$194
        53% off
        US$410 US$194
      • SFO 20:56
        8h 8m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Tue, Aug 25 | Frontier Airlines
        IAD 08:59
        13h 57m
        1 stop
        SFO 19:56
        Washington D.C. - San Francisco | Tue, Sep 1 | Frontier Airlines
        US$220
        46% off
        US$410 US$220
      • SFO 20:56
        8h 8m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Wed, Aug 26 | Frontier Airlines
        IAD 08:59
        13h 57m
        1 stop
        SFO 19:56
        Washington D.C. - San Francisco | Tue, Sep 1 | Frontier Airlines
        US$220
        46% off
        US$410 US$220
      • SFO 20:56
        8h 8m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Sat, Aug 29 | Frontier Airlines
        IAD 08:59
        13h 57m
        1 stop
        SFO 19:56
        Washington D.C. - San Francisco | Tue, Sep 1 | Frontier Airlines
        US$220
        46% off
        US$410 US$220
      • SFO 11:00
        18h 4m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Mon, Aug 24 | Frontier Airlines
        DCA 18:00
        9h 18m
        1 stop
        SFO 00:18
        Washington D.C. - San Francisco | Mon, Aug 31 | Frontier Airlines
        US$220
        46% off
        US$410 US$220
      • SFO 11:20
        17h 44m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Mon, Aug 17 | Frontier Airlines
        IAD 08:59
        13h 57m
        1 stop
        SFO 19:56
        Washington D.C. - San Francisco | Wed, Aug 19 | Frontier Airlines
        US$227
        45% off
        US$410 US$227
      • SFO 13:50
        15h 14m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Wed, Aug 19 | Alaska Airlines
        IAD 08:59
        8h 5m
        1 stop
        SFO 14:04
        Washington D.C. - San Francisco | Wed, Aug 26 | Frontier Airlines
        US$231
        44% off
        US$410 US$231
      • SFO 17:35
        16h 16m
        1 stop
        DCA 12:51
        San Francisco - Washington D.C. | Tue, Aug 18 | Frontier Airlines
        IAD 08:59
        10h 37m
        1 stop
        SFO 16:36
        Washington D.C. - San Francisco | Mon, Aug 24 | Frontier Airlines
        US$232
        43% off
        US$410 US$232
      • SFO 13:00
        17h 25m
        1 stop
        WAS 14:00
        San Francisco - Washington D.C. | Fri, Aug 14 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        SFO 16:00
        Washington D.C. - San Francisco | Sun, Aug 16 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        SFO 09:39
        5h 20m
        Nonstop
        DCA 17:59
        San Francisco - Washington D.C. | Wed, Sep 30 | Alaska Airlines
        US$185 US$218
        15% off
        15% off
        US$218 US$185
      • SFO 09:39
        5h 20m
        Nonstop
        DCA 17:59
        San Francisco - Washington D.C. | Wed, Aug 26 | Alaska Airlines
        US$189 US$218
        13% off
        13% off
        US$218 US$189
      • SFO 06:04
        7h 55m
        1 stop
        DCA 16:59
        San Francisco - Washington D.C. | Tue, Sep 15 | Frontier Airlines
        US$107 US$218
        51% off
        51% off
        US$218 US$107
      • SFO 06:04
        7h 55m
        1 stop
        DCA 16:59
        San Francisco - Washington D.C. | Thu, Sep 24 | Frontier Airlines
        US$108
        50% off
        US$218 US$108
      • SFO 11:17
        16h 3m
        1 stop
        IAD 06:20
        San Francisco - Washington D.C. | Wed, Sep 23 | Frontier Airlines
        US$114
        48% off
        US$218 US$114
      • SFO 11:17
        16h 3m
        1 stop
        IAD 06:20
        San Francisco - Washington D.C. | Tue, Sep 22 | Frontier Airlines
        US$116
        47% off
        US$218 US$116
      • SFO 11:20
        26h 40m
        1 stop
        DCA 17:00
        San Francisco - Washington D.C. | Tue, Aug 25 | Frontier Airlines
        US$123
        44% off
        US$218 US$123
      • SFO 20:56
        8h 8m
        1 stop
        IAD 08:04
        San Francisco - Washington D.C. | Wed, Sep 2 | Frontier Airlines
        US$126
        42% off
        US$218 US$126
      • SFO 11:42
        7h 17m
        1 stop
        DCA 21:59
        San Francisco - Washington D.C. | Mon, Sep 21 | Frontier Airlines
        US$126
        42% off
        US$218 US$126
      • SFO 06:04
        7h 55m
        1 stop
        DCA 16:59
        San Francisco - Washington D.C. | Thu, Oct 1 | Frontier Airlines
        US$127
        42% off
        US$218 US$127
      • SFO 06:04
        7h 55m
        1 stop
        DCA 16:59
        San Francisco - Washington D.C. | Sat, Sep 19 | Frontier Airlines
        US$128
        41% off
        US$218 US$128
      • SFO 06:00
        7h 59m
        1 stop
        DCA 16:59
        San Francisco - Washington D.C. | Sat, Aug 29 | Frontier Airlines
        US$128
        41% off
        US$218 US$128
      • SFO 13:00
        17h 25m
        1 stop
        WAS 14:00
        San Francisco - Washington D.C. | Fri, Aug 14 | Normal Airline
        More cheap flights
        More cheap flights

Popular airlines flying from San Francisco to Washington D.C.

You can choose from 4 airlines that fly from San Francisco to Washington D.C., including United Airlines, Frontier Airlines, and Alaska Airlines. Alaska Airlines has lowest fares on this route.
United Airlines logo United Airlines
Frontier Airlines logo Frontier Airlines
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from San Francisco to Washington D.C. according to previous 12 months data from Trip.com.

Trip.com Price Trends on Flights from San Francisco to Washington D.C.

Which month has the cheapest one-way flights from San Francisco to Washington D.C.?

Average monthly one-way flight prices from San Francisco to Washington D.C., based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Washington D.C. is February, with an average price of US$269; while the month with the highest flight price is usually March, with an average price of up to US$443.

US$443
US$356
US$269
US$182
    Cheapest
  • US$338
    Aug
  • US$353
    Sep
  • US$315
    Oct
  • US$398
    Nov
  • US$287
    Dec
  • US$340
    Jan
  • US$269
    Feb
  • US$443
    Mar
  • US$325
    Apr
  • US$284
    May
  • US$377
    Jun
  • US$347
    Jul

Which month has the cheapest round-trip flights from San Francisco to Washington D.C.?

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

Based on data from Trip.com, the lowest prices for round-trip flights from San Francisco to Washington D.C. are found during February, with an average price of US$265. Conversely, the highest prices are found during June, with an average price of up to US$801.

US$801
US$533
US$265
0
    Cheapest
  • US$479
    Aug
  • US$567
    Sep
  • US$598
    Oct
  • US$590
    Nov
  • US$408
    Dec
  • US$387
    Jan
  • US$265
    Feb
  • US$671
    Mar
  • US$320
    Apr
  • US$726
    May
  • US$801
    Jun
  • US$547
    Jul

Frequently Asked Questions

  • What are the cheapest flights from San Francisco to Washington D.C. (SFO-WAS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$107 on Cheapest nonstop routes (e.g. SFO to DCA on Tue, Sep 15), while Frontier Airlines offers Cheapest nonstop round-trips from US$155 departing on Wed, Aug 19 and returning on Wed, Aug 26.
  • At the moment, you can catch a nonstop flight from San Francisco to Washington D.C. with the following airlines, including: United Airlines Alaska 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 5 hours 52 minutes to fly from San Francisco to Washington D.C..
  • 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 Washington D.C. 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 78 flight per week flying from San Francisco to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: -/-/-/-/-/-/- -- UA1849 (08:38)
  • To find best deals on flights from San Francisco to Washington D.C., 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 Tue, Sep 15, with one-way flights priced at just US$107.
    · 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 Washington D.C. travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Francisco to Washington D.C. is November, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from San Francisco to Washington D.C. on August 31, 2026 with Frontier Airlines, with prices starting at US$90.
  • You can land at any one of the following hubs in Washington D.C., with San Francisco International Airport to Dulles International Airport (SFO-IAD) is by far the most common option on this route: Ronald Reagan Washington National Airport (DCA) Dulles International Airport (IAD).
  • The time difference between Washington D.C. and San Francisco is 3h.
  • Tickets can only be changed or canceled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Francisco to Washington D.C. is US$270. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Francisco to Washington D.C. is US$509. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Francisco and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Frontier Airlinesare the most popular budget airlines flying from San Francisco to Washington D.C.. Check baggage, seat and payment fees before comparing the final price.

Trip.com Airline Insights on Flights from San Francisco to Washington D.C.

Which airline offers the cheapest direct flights from San Francisco to Washington D.C.?

Data is based on the average price of all nonstop flights from San Francisco to Washington D.C. on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from San Francisco to Washington D.C., with fares starting at US$205.

US$121
US$205
US$290
US$374
US$458
Frontier Airlines
US$205
Frontier Airlines
Delta Air Lines
US$276
Delta Air Lines
Jetblue Airways
US$316
Jetblue Airways
Alaska Airlines
US$332
Alaska Airlines
Hawaiian Airlines
US$363
Hawaiian Airlines
United Airlines
US$458
United Airlines

Which airline operates the most flights from San Francisco to Washington D.C.?

Total flights from San Francisco to Washington D.C. across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from San Francisco to Washington D.C., with 86 flights per week.

0
8
47
86
United Airlines
86
United Airlines
Air New Zealand
66
Air New Zealand
Virgin Australia
59
Virgin Australia
Lufthansa
15
Lufthansa
Austrian Airlines
8
Austrian Airlines
Brussels Airlines
8
Brussels Airlines

How many flights fly from San Francisco to Washington D.C. daily?

The data is based on the flight numbers for each day of the week from San Francisco to Washington D.C. within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from San Francisco to Washington D.C. is the highest on Friday and the lowest on Tuesday.

197
172
146
121
Highest
158
Mon
146
Tue
168
Wed
153
Thu
197
Fri
191
Sat
168
Sun

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Note: Prices shown on this page are the estimated lowest 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 clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date 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.