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Cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport from £122

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
25 Dec — 1 Jan1
1 adult

Cheap flight deals from San Francisco to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Dulles Intl (IAD). 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 20 December 2024.

Round-trip from

£212

One-way from

£122

Popular in

June

Cheapest in

September

Average price

£464
United Airlines
  • United Airlines
  • 20/1-22/1
  • 1 total stop
  • 13h 44m total
  • San Francisco to Washington, D.C.
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Southwest
  • Southwest
  • 25/1
  • 2 total stops
  • 10h 10m total
  • San Francisco to Washington, D.C.
Search Deals
High demand for flights, 8% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from San Francisco to Dulles Intl

Cheapest flights from San Francisco to Dulles Intl
Explore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 December 2024.

Fri 27/1213:35SFO - IAD
1 stop6h 44mDelta
Wed 15/106:00IAD - SFO
1 stop10h 49mDelta
Deal found 20/12£450
Fri 27/1222:40SFO - IAD
Nonstop5h 13mUnited Airlines
Wed 15/114:42IAD - SFO
Nonstop6h 08mUnited Airlines
Deal found 20/12£467
Fri 27/1213:22SFO - IAD
Nonstop5h 08mAlaska Airlines
Wed 15/117:25IAD - SFO
1 stop31h 11mAlaska Airlines
Deal found 20/12£468
Fri 27/1213:15SFO - IAD
2 stops8h 45mSouthwest
Wed 15/111:10IAD - SFO
2 stops13h 25mSouthwest
Deal found 20/12£522

Find flights from San Francisco to Dulles Intl within your budget

Customise your flight search to find flights from San Francisco to Dulles Intl 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 20 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Mon 20/1

22:45-06:52

Nonstop5h 07m

Washington, D.C. Dulles Intl

Wed 22/1

17:36-23:13

1 stop8h 37m

£212

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 7/1

07:40-16:23

1 stop29h 43m

Washington, D.C. Dulles Intl

Tue 14/1

18:57-09:11

1 stop17h 14m

£214

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 21/1

07:10-17:16

1 stop7h 06m

Washington, D.C. Dulles Intl

Wed 29/1

06:00-11:24

1 stop8h 24m

£219

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 21/1

06:05-23:05

2 stops14h 00m

Washington, D.C. Dulles Intl

Tue 28/1

17:50-22:35

1 stop7h 45m

£223

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 25/1

05:35-18:45

2 stops10h 10m

£122

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 7/1

22:45-11:51

1 stop10h 06m

£126

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 26/1

07:40-16:23

1 stop29h 43m

£129

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 29/1

11:08-21:02

1 stop6h 54m

£130

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 25/12

00:09-13:23

1 stop10h 14m

£293

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Best time to book a flight from San Francisco to Dulles Intl

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

Travel insights for flights from San Francisco to Dulles Intl

Get recent, data-driven insights about flights from San Francisco to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Dulles Intl. Price data was last updated on 13 December 2024.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport. 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 San Francisco to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of £599). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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 IAD?

Find hourly flight availability from San Francisco to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Washington, D.C. Dulles Intl Airport as you normally would.

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

Explore weekly flight availability from San Francisco to Dulles Intl. 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 20 December 2024.

The most flights from SFO to IAD are scheduled on a Friday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 20 December 2024.
Read through reviews of airlines operating flights from San Francisco to Washington, D.C., such as United Airlines, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very Good
4,821 reviews
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very Good
9,547 reviews
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very Good
8,601 reviews
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
9,041 reviews
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very Good
4,821 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

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

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from San Francisco; the airport handles an average of 23 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to Washington, D.C. Dulles Intl. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

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

    Cheapflights users have booked flights from San Francisco to Washington, D.C. Dulles Intl Airport round-trip from £212. Other airlines that can offer you cheap pricing are Alaska Airlines, from £214, and Delta, from £219. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at £122. Delta flights start at £126 while deals on Alaska Airlines start at £129 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Washington, D.C. Dulles Intl Airport on time: Egyptair (90%), Asiana Airlines (89%), Ethiopian Air (88%).

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

    Looking at all options, your cheapest flight can be booked for £298. While the most popular route (San Francisco - Washington, D.C. Dulles Intl) can be booked for £331 on average our data indicates £341 when flying from San Francisco to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of £599). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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 San Francisco to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Dulles Intl flexibly with Cheapflights today.

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Yes, Cheapflights offers price alerts on San Francisco to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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