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Cheap flights from Washington, D.C. to San Francisco from £111

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. to San Francisco are usually found in February or September, booked 88 days in advance, depart on a Thursday or Monday 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 26 March 2025.

Round-trip from

£214

One-way from

£111

Popular in

June

Cheapest in

February

Average price

£371
Delta
  • Delta
  • 3/5-17/5
  • 2 total stops
  • 16h 13m total
  • Washington, D.C. to San Francisco
Frontier
  • Frontier
  • 1/4
  • 1 total stop
  • 9h 44m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 9% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 26 March 2025.

Sat 26/406:00IAD - SFO
1 stop7h 45mDelta
Fri 2/500:47SFO - IAD
1 stop7h 22mDelta
Deal found 26/3£214
Sat 3/506:00DCA - SFO
1 stop7h 45mDelta
Fri 9/500:40SFO - DCA
1 stop7h 20mDelta
Deal found 25/3£214
Wed 23/418:00DCA - SFO
1 stop9h 33mFrontier
Fri 25/420:59SFO - DCA
1 stop12h 10mFrontier
Deal found 26/3£215
Wed 23/407:00IAD - SFO
Nonstop6h 08mAlaska Airlines
Fri 25/421:35SFO - IAD
Nonstop5h 05mAlaska Airlines
Deal found 26/3£221
Mon 28/418:35DCA - SFO
Nonstop6h 08mAlaska Airlines
Tue 29/409:20SFO - DCA
Nonstop5h 12mAlaska Airlines
Deal found 25/3£222
Wed 23/407:00IAD - SFO
Nonstop6h 08mMultiple Airlines
Fri 25/422:07SFO - IAD
1 stop15h 28mMultiple Airlines
Deal found 26/3£223
Wed 23/407:50IAD - SFO
1 stop10h 20mSouthwest
Wed 30/405:15SFO - IAD
2 stops9h 40mSouthwest
Deal found 26/3£226
Tue 15/415:50DCA - SFO
2 stops9h 25mSouthwest
Wed 16/405:40SFO - DCA
1 stop7h 15mSouthwest
Deal found 25/3£226
Mon 28/418:34BWI - SFO
Nonstop6h 08mUnited Airlines
Fri 2/500:43SFO - BWI
1 stop8h 01mUnited Airlines
Deal found 26/3£226
Fri 9/512:25BWI - SFO
1 stop7h 48mSun Country Air
Wed 14/518:09SFO - BWI
1 stop14h 09mSun Country Air
Deal found 26/3£228
Wed 23/407:06BWI - SFO
1 stop9h 26mAlaska Airlines
Wed 30/417:45SFO - BWI
1 stop9h 01mAlaska Airlines
Deal found 25/3£229
Mon 12/517:28BWI - SFO
1 stop8h 10mDelta
Tue 20/514:00SFO - BWI
1 stop7h 48mDelta
Deal found 26/3£230

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 26 March 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

Sat 26/4

06:00-10:45

1 stop7h 45m

San Francisco

Fri 2/5

00:47-11:09

1 stop7h 22m

£214

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 3/5

06:00-10:45

1 stop7h 45m

San Francisco

Fri 9/5

00:40-11:00

1 stop7h 20m

£214

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 23/4

18:00-00:33

1 stop9h 33m

San Francisco

Fri 25/4

20:59-12:09

1 stop12h 10m

£215

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 23/4

07:00-10:08

Nonstop6h 08m

San Francisco

Fri 25/4

21:35-05:40

Nonstop5h 05m

£221

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 23/4

07:00-10:08

Nonstop6h 08m

San Francisco

Fri 25/4

22:07-16:35

1 stop15h 28m

£223

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 22/4

18:35-21:43

Nonstop6h 08m

San Francisco

Wed 23/4

06:40-21:59

1 stop12h 19m

£224

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 23/4

07:50-15:10

1 stop10h 20m

San Francisco

Wed 30/4

05:15-17:55

2 stops9h 40m

£226

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 15/4

15:50-22:15

2 stops9h 25m

San Francisco

Wed 16/4

05:40-15:55

1 stop7h 15m

£226

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 28/4

18:34-21:42

Nonstop6h 08m

San Francisco

Sat 3/5

00:43-11:44

1 stop8h 01m

£226

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 9/5

12:25-17:13

1 stop7h 48m

San Francisco

Wed 14/5

18:09-11:18

1 stop14h 09m

£228

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 46 results
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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 return 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 return flight from Washington, D.C. to San Francisco. Price data was last updated on 21 March 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco (average of £538). Flying from Washington, D.C. to San Francisco in July is currently the most expensive (average of £803). 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 26 March 2025.

It’s typically best to fly out from Washington, D.C. to San Francisco in the morning. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 26 March 2025.

The most flights from WAS to SFO are scheduled on a Monday (45 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 26 March 2025.
Read through reviews of airlines operating flights from Washington, D.C. to San Francisco, such as Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
8.0
Very Good

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Washington, D.C.. Booking flights from Washington, D.C. to San Francisco (SFO) should be relatively easy as there are 33 daily inbound flights from Washington, D.C. from 0 different airlines.

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

    Currently priced at £214, Delta will fly you from Washington, D.C. to San Francisco and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Alaska Airlines - these airlines can fly you to your destination from £215 and £220, respectively. These flights start at 38% lower than the current average price 3 months from now.

  • 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 £111 on Frontier. Other airlines that offer cheap prices include Southwest from £115 and Delta from £115 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?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to San Francisco consider choosing Egyptair (100%), Air China (93%) or Lufthansa (88%) as they are the most reliable in getting you off to your destination on time.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Washington, D.C. to San Francisco (average of £538). Flying from Washington, D.C. to San Francisco in July is currently the most expensive (average of £803). 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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Santa Cruz
San Mateo
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Washington, D.C..

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Can Cheapflights notify me if prices for flights from Washington, D.C. to San Francisco become cheaper?

Yes! Start tracking prices for Washington, D.C. to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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