Q: How much does it cost for a return flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. San Francisco to Washington, D.C. Dulles Intl Airport flights typically cost between £267 and £445 in August. The cheapest return flight price found within the last 3 days was £214 on Multiple Airlines (12 Aug-19 Aug).

Question 1

How much does it cost for a return flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Airfare is below average for this route at the moment.San Francisco to Washington, D.C. Dulles Intl Airport flights typically cost between £267 and £445 in August.
The cheapest return flight price found within the last 3 days was £214 on Multiple Airlines (12 Aug-19 Aug).

Question 2

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

Accepted Answer

Cheapflights users have booked flights from San Francisco to Washington, D.C. Dulles Intl Airport round-trip from £215. Other airlines that can offer you cheap pricing are United Airlines, from £219, and Frontier, from £221. Alaska Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

Question 3

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

Accepted Answer

To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at £103. Alaska Airlines flights start at £103 while deals on Delta start at £104 one-way.

Question 4

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

Accepted Answer

Booking 61 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.

Question 5

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

Accepted Answer

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 £947). 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.

Question 6

What is the cheapest day to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Travellers seeking maximum savings on their San Francisco to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

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

Accepted Answer

The most flights from SFO to IAD are scheduled on a Tuesday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

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

Accepted Answer

Looking at all options, your cheapest flight can be booked for £186. While the most popular route (San Francisco - Washington, D.C. Dulles Intl) can be booked for £313 on average our data indicates £411 when flying from San Francisco to Washington, D.C. Dulles Intl Airport.

Question 11

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

Accepted Answer

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: Asiana Airlines (83%), United Airlines (82%), Air China (81%).

Question 12

What is the cheapest day to fly round-trip from San Francisco to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Friday flights are found to be more expensive to fly from San Francisco to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

Question 13

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

Accepted Answer

To save up to 92% on this flight, we recommend booking at least 29 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Washington, D.C. Dulles Intl Airport from £370 1-2 weeks out and tickets from £474 for flights departing within the next 72 hours.

Question 14

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

Accepted Answer

September is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from San Francisco. Prices for September average £321 per person but you can even find prices for as low as £116. The most expensive prices can be found in the month of December. Opting for a September flight can save you 18% on your journey compared to booking in December

Question 15

What is the cheapest time of day to fly from SFO to IAD?

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 53% on flights from San Francisco to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

Question 16

What airport do you fly from for flights from San Francisco to Washington, D.C. Dulles Intl?

Accepted Answer

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 29 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.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

How does Cheapflights help users find flights from San Francisco to Dulles Intl?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from San Francisco today with Cheapflights!

Question 21

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Dulles Intl?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Dulles Intl for you. Better yet — we are completely free to use.

Question 22

Can Cheapflights find flights from San Francisco to Dulles Intl with no change fees?

Accepted Answer

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.

Question 23

Can Cheapflights notify me if prices for flights from San Francisco to Dulles Intl become cheaper?

Accepted Answer

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.

Round-trip from	£214
One-way from	£103
Popular in	December
Cheapest in	September
Average price	£327
Good one-way deal	£372 or less

Cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport from £103

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Washington, D.C. Dulles Intl are usually found in September or May, booked 61 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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Cheapest flights from San Francisco to Dulles IntlExplore 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 30 July 2025.

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 30 July 2025.

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

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Everything you need to know about your flight from San Francisco to Washington, D.C. Dulles Intl Airport

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 25 July 2025.

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

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 30 July 2025.

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

How much does it cost for a return flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest, andDelta from San Francisco to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What are the cheapest flights 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?

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

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

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

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Can Cheapflights find flights from San Francisco to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Dulles Intl become cheaper?

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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 30 July 2025.