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Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from £106

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Francisco are usually found in February or September, booked 80 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 15 April 2025.

Round-trip from

£215

One-way from

£106

Popular in

December

Cheapest in

February

Average price

£326

Good one-way deal

£242 or less
Alaska Airlines
  • Alaska Airlines
  • 9/9-16/9
  • 2 total stops
  • 37h 15m total
  • Washington, D.C. to San Francisco
Delta
  • Delta
  • 17/6
  • 1 total stop
  • 8h 43m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 7% potential increase in price (£21 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 April 2025
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Francisco.

Find flight deals from Dulles Intl to San Francisco

Cheapest flights from Dulles Intl to San Francisco
Explore the most affordable flight options available from Dulles Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Tue 9/920:29IAD - SFO
1 stop14h 05mAlaska Airlines
Tue 16/913:49SFO - IAD
1 stop23h 10mAlaska Airlines
Deal found 14/4£215
Wed 14/517:30IAD - SFO
1 stop8h 25mSouthwest
Tue 20/505:15SFO - IAD
2 stops9h 40mSouthwest
Deal found 14/4£222
Tue 10/607:15IAD - SFO
Nonstop5h 32mHawaiian Airlines
Sun 15/622:43SFO - IAD
Nonstop5h 07mHawaiian Airlines
Deal found 15/4£226
Thu 26/606:15IAD - SFO
1 stop28h 53mSun Country Air
Sun 29/623:59SFO - IAD
1 stop8h 32mSun Country Air
Deal found 15/4£239
Tue 17/606:00IAD - SFO
1 stop8h 43mDelta
Mon 7/700:40SFO - IAD
1 stop7h 42mDelta
Deal found 14/4£245
Mon 5/507:00IAD - SFO
Nonstop6h 08mMultiple Airlines
Thu 8/521:35SFO - IAD
Nonstop5h 05mMultiple Airlines
Deal found 14/4£283
Thu 15/522:05IAD - SFO
Nonstop6h 07mUnited Airlines
Sun 18/506:30SFO - IAD
Nonstop5h 20mUnited Airlines
Deal found 14/4£284

Cheapflights Fare Finder

Customise your flight search to find flights from Dulles Intl 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 15 April 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Francisco that are best for you.

Fly from

Dulles Intl

Fly to

San Francisco

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 9/9

20:29-07:34

1 stop14h 05m

San Francisco

Tue 16/9

13:49-15:59

1 stop23h 10m

£215

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 14/5

17:30-22:55

1 stop8h 25m

San Francisco

Tue 20/5

05:15-17:55

2 stops9h 40m

£222

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 10/6

07:15-09:47

Nonstop5h 32m

San Francisco

Sun 15/6

22:43-06:50

Nonstop5h 07m

£226

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 26/6

06:15-08:08

1 stop28h 53m

San Francisco

Sun 29/6

23:59-11:31

1 stop8h 32m

£239

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 17/6

06:00-11:43

1 stop8h 43m

San Francisco

Mon 7/7

00:40-11:22

1 stop7h 42m

£245

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 5/5

07:00-10:08

Nonstop6h 08m

San Francisco

Thu 8/5

21:35-05:40

Nonstop5h 05m

£283

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 15/5

22:05-01:12

Nonstop6h 07m

San Francisco

Sun 18/5

06:30-14:50

Nonstop5h 20m

£284

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 17/6

06:00-11:43

1 stop8h 43m

£106

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 25/7

20:30-22:53

1 stop29h 23m

£112

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 3/6

06:30-23:53

2 stops20h 23m

£116

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 13 results
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Best time to book a flight from Dulles Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Dulles Intl 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. Dulles Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a return flight from Dulles Intl to San Francisco. Price data was last updated on 11 April 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of £538). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to SFO?

Find hourly flight availability from Dulles Intl 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 15 April 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Francisco in the morning. Doing so could potentially save you 46% on the flight price compared to flying at midday, which is usually more expensive.

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

Explore weekly flight availability from Dulles Intl 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 15 April 2025.

The most flights from IAD to SFO are scheduled on a Monday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (34 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 15 April 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very Good

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Washington, D.C. Dulles Intl. On average, San Francisco has 40 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    Alaska Airlines, at £215, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to San Francisco.Alternate airlines flying return to your destination include Southwest and Hawaiian Airlines. Alaska Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as £106. Users have also found prices from £112 and £116 on Sun Country Air and Alaska Airlines, respectively.

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

    Consider Qantas Airways (100%), Egyptair (98%) or Air China (94%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Francisco.

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to San Francisco is £242. On average you can expect to pay £341. The most popular route, (Washington, D.C. Dulles Intl - San Francisco), can usually be booked for £192.

  • Can I find deals for flights from Dulles Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to San Francisco?

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

  • Can I find deals for business class flights from Dulles Intl to San Francisco?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of £538). Flying from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

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

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Certainly. Search results for flights to San Francisco from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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