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$109+ Cheap flights from Washington, D.C. (WAS) to San Francisco Bay Area

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington, D.C. to San Francisco Bay Area

Cheapest flights from Washington, D.C. to San Francisco Bay Area
Explore the most affordable flight options available from Washington, D.C. to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/28. 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.
Wed 2/184:30 pm
IAD
-
OAK
1 stop8h 15m
Southwest
Tue 2/249:40 am
OAK
-
IAD
1 stop9h 15m
Southwest
Deal found 1/28$237
This Southwest deal was found by Cheapflights users on 1/28. 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.
Wed 2/259:05 am
IAD
-
SJC
1 stop8h 40m
Southwest
Wed 3/412:10 pm
SJC
-
IAD
1 stop6h 45m
Southwest
Deal found 1/28$251
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:59 am
DCA
-
SJC
1 stop11h 34m
Alaska Airlines
Wed 3/410:26 am
SJC
-
DCA
1 stop7h 36m
Alaska Airlines
Deal found 1/28$251
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:30 pm
IAD
-
SJC
1 stop7h 40m
Southwest
Tue 3/101:45 pm
SJC
-
IAD
1 stop6h 55m
Southwest
Deal found 1/27$254
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:30 am
DCA
-
SJC
1 stop8h 59m
American Airlines
Tue 3/107:15 pm
SJC
-
DCA
1 stop8h 45m
American Airlines
Deal found 1/28$254
This Frontier deal was found by Cheapflights users on 1/26. 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.
Thu 2/1211:44 am
IAD
-
SFO
1 stop12h 55m
Frontier
Sat 2/2111:00 pm
SFO
-
IAD
1 stop8h 15m
Frontier
Deal found 1/26$255
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
DCA
-
SFO
1 stop9h 57m
Multiple Airlines
Thu 3/126:00 am
SFO
-
DCA
1 stop7h 59m
Multiple Airlines
Deal found 1/27$255
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
IAD
-
SFO
Nonstop6h 15m
United Airlines
Wed 3/254:55 pm
SFO
-
IAD
Nonstop5h 08m
United Airlines
Deal found 1/26$256
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:00 pm
DCA
-
SFO
1 stop11h 01m
Multiple Airlines
Wed 3/1111:59 pm
SFO
-
DCA
2 stops11h 00m
Multiple Airlines
Deal found 1/27$256
This Southwest deal was found by Cheapflights users on 1/28. 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.
Wed 2/251:55 pm
DCA
-
SJC
1 stop8h 45m
Southwest
Wed 3/48:25 am
SJC
-
DCA
2 stops8h 50m
Southwest
Deal found 1/28$256
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:17 pm
IAD
-
SJC
1 stop9h 36m
Delta
Wed 3/410:35 pm
SJC
-
IAD
1 stop7h 38m
Delta
Deal found 1/26$257
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/2610:10 pm
IAD
-
SFO
Nonstop6h 18m
United Airlines
Thu 3/54:55 pm
SFO
-
IAD
Nonstop5h 08m
United Airlines
Deal found 1/28$257

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

Keep the following information in mind while searching for Washington, D.C. to San Francisco Bay Area flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Southwest)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$423
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Francisco flights.
Search Deals
From Washington, D.C. (WAS) to San Francisco Bay Area
Search Deals
One-way flight from Washington, D.C. (WAS) to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to San Francisco Bay Area 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Francisco Bay Area that are best for you.

Fly from

Washington, D.C.

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 2/18

2:17 pm-8:53 pm

1 stop9h 36m

San Jose

Wed 3/4

10:35 pm-9:13 am

1 stop7h 38m

$257

Washington, D.C.San Jose

DCA - SJC

DCASJC

Washington, D.C. Reagan-National

Tue 3/24

6:55 pm-11:45 pm

1 stop7h 50m

San Jose

Tue 3/31

11:05 am-11:15 pm

1 stop9h 10m

$257

Washington, D.C.Oakland

IAD - OAK

IADOAK

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-4:37 pm

1 stop12h 32m

Oakland

Wed 3/4

6:15 am-5:20 pm

1 stop8h 05m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/18

7:30 am-1:48 pm

1 stop9h 18m

San Francisco

Tue 3/3

5:45 am-4:28 pm

1 stop7h 43m

$257

Washington, D.C.Oakland

IAD - OAK

IADOAK

Washington, D.C. Dulles Intl

Sat 2/28

4:30 pm-9:45 pm

1 stop8h 15m

Oakland

Fri 3/6

2:50 pm-12:15 am

1 stop6h 25m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/11

7:00 am-2:04 pm

1 stop10h 04m

San Francisco

Tue 3/17

5:50 am-4:52 pm

1 stop8h 02m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-10:51 am

1 stop7h 51m

San Francisco

Wed 3/25

6:20 am-6:26 pm

1 stop9h 06m

$257

Washington, D.C.San Jose

DCA - SJC

DCASJC

Washington, D.C. Reagan-National

Sat 5/2

4:00 pm-9:45 pm

1 stop8h 45m

San Jose

Tue 5/5

10:55 pm-9:09 am

1 stop7h 14m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 3/11

7:00 am-2:15 pm

1 stop10h 15m

San Francisco

Mon 3/16

8:44 pm-8:01 am

1 stop8h 17m

$261

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 3/11

3:59 pm-11:59 pm

1 stop11h 00m

San Francisco

Thu 3/26

8:25 am-10:59 pm

1 stop11h 34m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco Bay Area (average of $102). Flying from Washington, D.C. to San Francisco Bay Area in November is currently the most expensive (average of $195). 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 XIH?

Find hourly flight availability from Washington, D.C. to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

One of the essential ways to save on airfare from Washington, D.C. to San Francisco Bay Area is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 37% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to San Francisco Bay Area. Price data was last updated on September 28, 2025.

Travelers seeking maximum savings on their Washington, D.C. to San Francisco Bay Area flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday evenings 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 Bay Area

Explore weekly flight availability from Washington, D.C. to San Francisco Bay Area. 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 January 29, 2026.

The most flights from WAS to zzXIH are scheduled on a Thursday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (28 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from Washington, D.C. to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Delta, Southwest, and Alaska Airlines fly from Washington, D.C. to San Francisco Bay Area in about 7h 50m. The time it takes to get you to your destination can typically vary by up to 4h 42m. There are 2416 mi between Washington, D.C. and San Francisco Bay Area. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $50. Southwest flights start at $92 while deals on Alaska Airlines start at $108 one-way.

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

    The most popular flight routes from Washington, D.C. to San Francisco Bay Area are Washington, D.C. Reagan-National - San Francisco, Washington, D.C. Dulles Intl - San Francisco and Baltimore/Washington - San Francisco.

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

    Before booking your flight to San Francisco Bay Area from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Egyptair (83%), United Airlines (80%), Austrian Airlines( 80%).

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

    While on average a flight from Washington, D.C. to San Francisco Bay Area is generally $1,538, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Washington, D.C. Reagan-National - San Francisco), you can expect to pay $201 for that flight.

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

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

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

    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 Bay Area.

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

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco Bay Area (average of $102). Flying from Washington, D.C. to San Francisco Bay Area in November is currently the most expensive (average of $195). 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

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to San Francisco Bay Area

Discover the top 10 airlines that operate flights from Washington, D.C. to San Francisco Bay Area. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$276FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$102Average$349FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$390FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$392FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$141Average$327FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$335FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$184Average$503FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$480FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$222Average$463FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$224Average$447FlexibilityNo cancel feeOn-time75%

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