HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$182+ Cheap flights from San Francisco (SFO) to Washington, D.C. (WAS)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — WAS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San Francisco to Washington, D.C. are usually found in January or October, booked 64 days in advance, depart on a Wednesday or Friday and return on a Thursday

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

Cheapest flights from San Francisco to Washington, D.C.
Explore the most affordable flight options available from San Francisco to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:00 am
SFO
-
BWI
2 stops8h 45m
Southwest
Sat 9/1210:10 am
BWI
-
SFO
2 stops9h 40m
Southwest
Deal found 7/22$357
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:30 pm
SFO
-
BWI
1 stop7h 55m
Southwest
Sat 9/52:20 pm
BWI
-
SFO
1 stop8h 15m
Southwest
Deal found 7/23$358
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:05 am
SFO
-
BWI
1 stop9h 20m
Southwest
Wed 8/2610:55 am
BWI
-
SFO
2 stops8h 30m
Southwest
Deal found 7/23$359
This Frontier deal was found by Cheapflights users on 7/24. 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.
Sun 8/910:18 pm
SFO
-
BWI
1 stop14h 16m
Frontier
Sat 8/158:35 am
BWI
-
SFO
1 stop13h 38m
Frontier
Deal found 7/24$360
This Frontier deal was found by Cheapflights users on 7/23. 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 10/166:35 pm
SFO
-
BWI
1 stop13h 36m
Frontier
Sat 10/249:52 am
BWI
-
SFO
1 stop11h 28m
Frontier
Deal found 7/23$361
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Mon 9/1410:48 pm
SFO
-
BWI
1 stop7h 37m
Frontier
Fri 9/189:32 pm
BWI
-
SFO
2 stops39h 50m
Frontier
Deal found 7/24$362
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:05 pm
SFO
-
BWI
2 stops9h 45m
Southwest
Mon 10/196:55 pm
BWI
-
SFO
1 stop8h 10m
Southwest
Deal found 7/23$363
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
SFO
-
DCA
1 stop7h 59m
Multiple Airlines
Thu 8/276:59 pm
DCA
-
SFO
Nonstop5h 55m
Multiple Airlines
Deal found 7/27$364
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 8/2812:29 am
SFO
-
IAD
1 stop15h 00m
Frontier
Sat 9/58:59 am
IAD
-
SFO
1 stop26h 13m
Frontier
Deal found 7/24$364
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:05 am
SFO
-
BWI
2 stops9h 20m
Southwest
Tue 8/2510:55 am
BWI
-
SFO
2 stops8h 30m
Southwest
Deal found 7/23$364
This Frontier deal was found by Cheapflights users on 7/26. 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.
Sat 8/156:00 am
SFO
-
DCA
1 stop7h 59m
Frontier
Mon 8/171:59 pm
DCA
-
SFO
1 stop13h 19m
Frontier
Deal found 7/26$365
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/233:15 pm
SFO
-
IAD
1 stop12h 05m
Frontier
Sun 9/276:00 am
IAD
-
SFO
2 stops10h 43m
Frontier
Deal found 7/26$365

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

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Washington, D.C. (WAS). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(Southwest)

One-way from

$182
(Delta)

Popular in

June

Cheapest in

January

Average price

$534

Good round-trip deal

$454 or less

Good one-way deal

$266 or less
Provider with most accurate pricing for San Francisco-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Washington, D.C. (WAS) flights.
Search Deals
From San Francisco to Washington, D.C. (WAS)
Search Deals
One-way flight from San Francisco to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from San Francisco to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Washington, D.C. 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 27, 2026.
Use the filters below to find and compare flights from San Francisco to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Thu 8/27

8:57 pm-8:00 pm

1 stop20h 03m

Washington, D.C. Reagan-National

Wed 9/2

6:59 pm-9:54 pm

Nonstop5h 55m

$390

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 9/17

10:29 am-10:56 pm

1 stop9h 27m

Washington, D.C. Dulles Intl

Tue 9/22

7:25 am-1:13 pm

1 stop8h 48m

$394

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 9/16

2:00 pm-10:19 pm

Nonstop5h 19m

Washington, D.C. Dulles Intl

Sun 9/20

6:35 pm-9:28 pm

Nonstop5h 53m

$397

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Wed 9/16

9:39 am-5:59 pm

Nonstop5h 20m

Washington, D.C. Reagan-National

Sun 9/20

6:59 pm-9:54 pm

Nonstop5h 55m

$397

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Tue 10/6

9:38 am-5:57 pm

Nonstop5h 19m

Washington, D.C. Reagan-National

Wed 10/7

6:57 pm-9:55 pm

Nonstop5h 58m

$397

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Mon 8/24

12:12 am-10:35 am

1 stop7h 23m

Baltimore/Washington

Tue 8/25

5:00 pm-10:00 pm

1 stop8h 00m

$401

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Tue 9/1

7:08 am-9:00 pm

1 stop10h 52m

Washington, D.C. Reagan-National

Sun 9/6

6:59 pm-9:54 pm

Nonstop5h 55m

$407

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Wed 9/23

9:27 am-9:00 pm

1 stop8h 33m

Washington, D.C. Reagan-National

Mon 9/28

6:59 pm-9:54 pm

Nonstop5h 55m

$407

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Thu 8/27

5:10 am-4:40 pm

1 stop8h 30m

Washington, D.C. Reagan-National

Wed 9/2

4:35 pm-10:05 pm

1 stop8h 30m

$412

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 10/13

7:03 am-5:50 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Sun 10/18

7:24 pm-9:37 am

1 stop17h 13m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Compare providers for flights from San Francisco to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Washington, D.C. in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San Francisco 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 San Francisco to Washington, D.C.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. (average of $370). Flying from San Francisco to Washington, D.C. in June is currently the most expensive (average of $591). 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 SFO to WAS?

Find hourly flight availability from San Francisco to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

One of the essential ways to save on airfare from San Francisco to Washington, D.C. is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.

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

Explore weekly flight availability from San Francisco to Washington, D.C.. 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 27, 2026.

The most flights from SFO to WAS are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).

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

Airfare is typical for this route at the moment.
San Francisco to Washington, D.C. flights typically cost between $322 and $597 in September.
The cheapest round-trip price found within the last 5 days was $357 on Southwest (Sep 5-Sep 12).

What’s the top layover airport for flights from San Francisco to Washington, D.C.?

Share of 1-stop round-trip flights from San Francisco to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 93% of 1-stop itineraries from San Francisco to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Washington, D.C.?

Average round-trip fare for 1-stop flights from San Francisco to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $288.

What’s the fastest layover option from San Francisco to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from San Francisco to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 7h 17m.

Which airport typically offers the quickest layover for flights from San Francisco to Washington, D.C.?

Average layover duration for 1-stop one-way flights from San Francisco to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 10m.

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

The price you pay for your flight from San Francisco to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Washington, D.C.. Price data was last updated on July 18, 2026.

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

The best insider tips for San Francisco to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Washington, D.C. trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

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

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 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

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated July 27, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from San Francisco to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Alaska Airlines
7.9
Good
12,717 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.8
Good
8,484 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
10,042 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,754 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Washington, D.C.. 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 from for flights from San Francisco to Washington, D.C.?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Washington, D.C.. On average, San Francisco has 31 outbound flights to Washington, D.C. per day from 9 airlines. San Francisco is conveniently located just 11.0 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to Washington, D.C.?

    Departing from San Francisco to Washington, D.C. will take you 5h 19m. Airlines will cover a distance of 2412 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from San Francisco to Washington, D.C. round-trip from $128. Other airlines that can offer you cheap pricing are Frontier, from $129, and Southwest, from $196. Delta is priced at 72% lower than the current average price of a flight leaving 3 months from now.

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

    $76 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $113 and $132, respectively.

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

    When deciding which route to take from San Francisco to Washington, D.C. consider San Francisco - Washington, D.C. Dulles Intl, San Francisco - Washington, D.C. Reagan-National or San Francisco - Baltimore/Washington as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Washington, D.C. consider choosing ITA Airways (100%), Austrian Airlines (80%) or Brussels Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,719 for a flight from San Francisco to Washington, D.C.. The cheapest flight overall is $198 while the most popular route, (San Francisco - Washington, D.C. Dulles Intl) is currently priced at $357.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Washington, D.C. 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 San Francisco to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. (average of $370). Flying from San Francisco to Washington, D.C. in June is currently the most expensive (average of $591). 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
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo

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.

Top 9 airlines flying from San Francisco to Washington, D.C.

Discover the top 9 airlines that operate flights from San Francisco to Washington, D.C.. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$406FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$129Average$315FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$178Average$448FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$179Average$387FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$196Average$456FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$208Average$419FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$240Average$407FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$269Average$547FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$467FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.