San Francisco

$141+ Cheap flights from Washington, D.C. (WAS) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
Jul 6 — Jul 131
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Cheapflights Tip: The best prices from Washington, D.C. to San Francisco are usually found in February or September, booked 74 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Washington, D.C. to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 1, 2025.

Round-trip from

$275
(FlightHub)

One-way from

$141
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$447

Good round-trip deal

$359 or less

Good one-way deal

$183 or less
From Washington, D.C. (WAS) to San Francisco
One-way flight from Washington, D.C. (WAS) to San Francisco
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to San Francisco.
Price to beat on a one-way flight from Washington, D.C. (WAS) to San Francisco.

Find flight deals from Washington, D.C. to San Francisco

Cheapest flights from Washington, D.C. to San Francisco
Explore the most affordable flight options available from Washington, D.C. to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:30 amIAD - SFO
1 stop16h 51mFrontier
Tue 7/81:09 pmSFO - IAD
1 stop14h 25mFrontier
Deal found 6/30$275
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:00 pmDCA - SFO
1 stop8h 25mFrontier
Mon 8/1110:11 pmSFO - DCA
2 stops10h 53mFrontier
Deal found 6/30$275
This JetBlue deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:39 pmDCA - SFO
1 stop10h 11mJetBlue
Sun 10/196:00 amSFO - DCA
1 stop10h 21mJetBlue
Deal found 6/30$276
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:35 amIAD - SFO
Nonstop5h 38mUnited Airlines
Sat 9/209:10 pmSFO - IAD
Nonstop5h 14mUnited Airlines
Deal found 6/30$277
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:59 pmDCA - SFO
Nonstop5h 53mAlaska Airlines
Wed 10/229:40 amSFO - DCA
Nonstop5h 19mAlaska Airlines
Deal found 6/30$277
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:58 pmDCA - SFO
Nonstop5h 55mHawaiian Airlines
Wed 8/209:04 amSFO - DCA
1 stop9h 55mHawaiian Airlines
Deal found 6/29$278
This Orbitz deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:41 pmIAD - SFO
1 stop10h 40mMultiple Airlines
Wed 9/2411:30 amSFO - IAD
1 stop9h 53mMultiple Airlines
Deal found 6/30$282
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:00 pmDCA - SFO
Nonstop5h 53mUnited Airlines
Tue 10/2812:43 amSFO - DCA
1 stop7h 46mUnited Airlines
Deal found 6/30$283
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:27 pmBWI - SFO
1 stop8h 52mFrontier
Mon 8/256:26 amSFO - BWI
2 stops14h 53mFrontier
Deal found 6/30$286
This Gotogate deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:25 amBWI - SFO
1 stop17h 56mMultiple Airlines
Wed 9/243:02 pmSFO - BWI
1 stop17h 15mMultiple Airlines
Deal found 6/29$288
This Expedia deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 pmDCA - SFO
1 stop7h 30mMultiple Airlines
Fri 9/269:34 amSFO - DCA
Nonstop5h 25mMultiple Airlines
Deal found 6/29$291
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:52 pmIAD - SFO
1 stop9h 07mAlaska Airlines
Wed 8/2710:08 amSFO - IAD
1 stop11h 12mAlaska Airlines
Deal found 6/29$296

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San Francisco that are best for you.

Fly from

Washington, D.C.

Fly to

San Francisco

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 7/22

7:30 am-12:15 pm

1 stop7h 45m

San Francisco

Wed 7/30

8:53 pm-12:44 pm

1 stop12h 51m

$275

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 8/6

6:00 pm-11:25 pm

1 stop8h 25m

San Francisco

Mon 8/11

10:11 pm-12:04 pm

2 stops10h 53m

$275

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/23

6:59 pm-9:50 pm

Nonstop5h 51m

San Francisco

Sat 8/30

9:34 am-5:59 pm

Nonstop5h 25m

$276

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 9/16

8:35 am-11:13 am

Nonstop5h 38m

San Francisco

Sat 9/20

9:10 pm-5:24 am

Nonstop5h 14m

$277

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 9/25

3:15 pm-11:50 pm

1 stop11h 35m

San Francisco

Sat 9/27

10:00 pm-9:46 am

1 stop8h 46m

$279

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 9/18

1:41 pm-9:21 pm

1 stop10h 40m

San Francisco

Wed 9/24

11:30 am-12:23 am

1 stop9h 53m

$282

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 8/22

6:27 pm-12:19 am

1 stop8h 52m

San Francisco

Mon 8/25

6:26 am-12:19 am

2 stops14h 53m

$286

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 9/18

6:25 am-9:21 pm

1 stop17h 56m

San Francisco

Wed 9/24

3:02 pm-11:17 am

1 stop17h 15m

$288

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 9/20

6:00 pm-10:30 pm

1 stop7h 30m

San Francisco

Fri 9/26

9:34 am-5:59 pm

Nonstop5h 25m

$291

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 8/20

7:00 am-3:52 pm

1 stop11h 52m

San Francisco

Tue 8/26

6:00 am-4:47 pm

1 stop7h 47m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 41 results
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The best insider tips for Washington, D.C. to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to San Francisco trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, ideal for comfort on longer flights.


United's Polaris Lounges offer exclusive amenities like showers and dining for premium passengers.

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for longer flights.


Alaska's Wi-Fi is a flat fee, perfect for working on longer flights.

Airports
DCA

For a stress-free departure from DCA, use the Metro for easy access and affordable travel. It's clean, efficient, and connects directly to the airport.

Read more about DCAby Emily Zemler
IAD

At IAD, the Aerotrain connects terminals, but allow extra time for long walks to gates, especially during busy afternoon hours.

Read more about IADby Ramsey Qubein
SFO

For a budget-friendly trip from SFO to downtown, take BART. It’s a 40-minute ride and the cheapest option available.

Read more about SFOby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Washington, D.C. to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to San Francisco

How far ahead should I book a flight from Washington, D.C. to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to San Francisco. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to San Francisco, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco (average of $276). Flying from Washington, D.C. to San Francisco in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to SFO?

Find hourly flight availability from Washington, D.C. to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to San Francisco. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Washington, D.C. to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to San Francisco

Explore weekly flight availability from Washington, D.C. to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 1, 2025.

The most flights from WAS to SFO are scheduled on a Tuesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from Washington, D.C. to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington, D.C. to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Washington, D.C.?

    If you book a flight to San Francisco from Washington, D.C., you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 41 flights from Washington, D.C. to San Francisco per day from 10 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to San Francisco round-trip?

    Cheapflights users have booked flights from Washington, D.C. to San Francisco round-trip from $275. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $276, and United Airlines, from $277. Frontier is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to San Francisco one-way?

    One-way options have recently been found by users for as low as $141 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $145 and Hawaiian Airlines from $148 one-way.

  • What are the most popular routes from Washington, D.C. to San Francisco?

  • What are the most reliable airlines from Washington, D.C. to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to San Francisco on time: Ethiopian Air (93%), Qantas Airways (93%), Egyptair (90%).

  • What are the cheapest flights from Washington, D.C. to San Francisco?

    The cheapest flight price from Washington, D.C. to San Francisco is $178. On average you can expect to pay $1,614. The most popular route, (Washington, D.C. Dulles Intl - San Francisco), can usually be booked for $144.

  • Where are the most common layover locations when flying from Washington, D.C. to San Francisco?

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, Paramount Theatre, or Larimer Square. Coors Field, Paramount Theatre, and Larimer Square can be visited by traveling about 18.4 mi, 18.6 mi, and 18.9 mi respectively from Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $62 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Atlanta?

    If you're on a layover in Atlanta and looking for things to do, consider visiting Georgia Aquarium, Fox Theatre, or World of Coca-Cola. Georgia Aquarium, Fox Theatre and World of Coca-Cola are located about 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson if you are interested in checking them out. Travelers in need of a car in Atlanta can rent one for about $47 per day.

  • Where are the least popular layover locations for Washington, D.C. to San Francisco flights?

  • Can I find deals for flights from Washington, D.C. to San Francisco that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to San Francisco.

  • Can I find deals for business class flights from Washington, D.C. to San Francisco?

    Yes. Cheapflights offers flight deals from Washington, D.C. to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco (average of $276). Flying from Washington, D.C. to San Francisco in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Fairfield
Antioch
Hollister
Milpitas
Sunnyvale
Newark
Alameda
Hayward
Daly City
Campbell
Capitola
Foster City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Washington, D.C. to San Francisco

Discover the top 10 airlines that operate flights from Washington, D.C. to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$228FlexibilityNo cancel feeOn-time65%
FrontierCheapest$119Average$272FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$357FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$158Average$412FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$162Average$354FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$212Average$431FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$239Average$433FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$489FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$464FlexibilityNo cancel feeOn-time63%

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