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Cheap flights from Washington, D.C. Dulles Intl Airport 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.
IAD — SFO
31 Mar — 7 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 26 March 2025.

Round-trip from

£214

One-way from

£111

Popular in

December

Cheapest in

February

Average price

£388
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
  • 16h 00m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 4% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 26 March 2025.

Sat 3/507:35IAD - SFO
1 stop8h 43mDelta
Sat 17/506:15SFO - IAD
1 stop7h 30mDelta
Deal found 25/3£214
Sat 17/517:14IAD - SFO
1 stop9h 39mMultiple Airlines
Wed 21/518:09SFO - IAD
1 stop14h 38mMultiple Airlines
Deal found 25/3£217
Sat 24/507:15IAD - SFO
Nonstop5h 32mAlaska Airlines
Sat 24/521:54SFO - IAD
1 stop15h 20mAlaska Airlines
Deal found 25/3£220
Wed 23/417:30IAD - SFO
1 stop8h 25mSouthwest
Wed 30/407:25SFO - IAD
2 stops12h 10mSouthwest
Deal found 25/3£226
Sun 25/517:14IAD - SFO
1 stop9h 39mHawaiian Airlines
Tue 27/510:43SFO - IAD
Nonstop5h 16mHawaiian Airlines
Deal found 25/3£232
Fri 23/512:49IAD - SFO
1 stop13h 09mSun Country Air
Sat 24/518:09SFO - IAD
1 stop14h 38mSun Country Air
Deal found 25/3£236
Wed 21/515:55IAD - SFO
1 stop8h 10mUnited Airlines
Thu 22/521:00SFO - IAD
Nonstop5h 08mUnited Airlines
Deal found 25/3£250

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 26 March 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

Sat 3/5

07:35-13:18

1 stop8h 43m

San Francisco

Sat 17/5

06:15-16:45

1 stop7h 30m

£214

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 17/5

17:14-23:53

1 stop9h 39m

San Francisco

Wed 21/5

18:09-11:47

1 stop14h 38m

£217

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 24/5

07:15-09:47

Nonstop5h 32m

San Francisco

Sat 24/5

21:54-16:14

1 stop15h 20m

£220

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 23/4

17:30-22:55

1 stop8h 25m

San Francisco

Wed 30/4

07:25-22:35

2 stops12h 10m

£226

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 23/5

12:49-22:58

1 stop13h 09m

San Francisco

Sat 24/5

18:09-11:47

1 stop14h 38m

£236

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 17/4

18:59-22:12

Nonstop6h 13m

San Francisco

Wed 23/4

18:49-07:43

1 stop9h 54m

£237

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 21/5

15:55-21:05

1 stop8h 10m

San Francisco

Thu 22/5

21:00-05:08

Nonstop5h 08m

£250

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 1/4

08:30-21:30

1 stop16h 00m

£111

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 28/4

07:25-15:46

1 stop11h 21m

£115

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 7/5

06:30-21:30

2 stops18h 00m

£118

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 15 results
1
2

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 21 March 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 26 March 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 52% 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 26 March 2025.

The most flights from IAD to SFO 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 (12 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.
See what other customers who have flown with Southwest, Alaska Airlines 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.

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

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

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

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 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 26 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?

    Delta, at £214, 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 Alaska Airlines and Southwest. Delta is priced at 40% 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 Frontier. According to our data, you can fly for as low as £111. Users have also found prices from £115 and £118 on Delta and Alaska Airlines, respectively.

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

    Consider Egyptair (100%), Air China (93%) or Lufthansa (88%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Francisco.

  • 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
San Mateo
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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Not ready to book yet? You can track prices for flights from Dulles Intl to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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