Cheap Flights from San Francisco International to Washington Dulles

Return selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below

Include nearby airports

selected

Travellers and cabin class, 1 Adult, Economy

Compare San Francisco International to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

Book the best Washington Dulles fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from San Francisco International to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Washington Dulles Airport? If you want to travel next month, return fares start from R 4,375. Find the lowest prices on one-way and return tickets right here.

Washington D.C..R 2,197 per passenger.Departing Mon, 26 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 26 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 2,197, select.

Washington D.C..R 2,236 per passenger.Departing Sat, 7 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Sat, 7 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 2,236, select.

Washington D.C..R 2,236 per passenger.Departing Tue, 22 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 22 Sep, arriving in Washington Dulles.Price includes taxes and charges.From R 2,236, select.

Washington D.C..R 2,792 per passenger.Departing Tue, 8 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 2,792, select.

Washington D.C..R 3,684 per passenger.Departing Sat, 3 Oct.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 3 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 3,684, select.

Washington D.C..R 3,684 per passenger.Departing Sat, 23 Jan.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 23 Jan, arriving in Washington Dulles.Price includes taxes and charges.From R 3,684, select.

Washington D.C..R 3,821 per passenger.Departing Tue, 16 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Tue, 16 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 3,821, select.

Washington D.C..R 3,821 per passenger.Departing Sun, 7 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Sun, 7 Feb, arriving in Washington Dulles.Price includes taxes and charges.From R 3,821, select.

Washington D.C..R 3,822 per passenger.Departing Tue, 1 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Tue, 1 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 3,822, select.

Washington D.C..R 3,957 per passenger.Departing Tue, 8 Dec.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from San Francisco International on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 3,957, select.

Washington D.C..R 3,986 per passenger.Departing Sun, 7 Feb.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sun, 7 Feb, arriving in Washington Dulles.Price includes taxes and charges.From R 3,986, select.

Washington D.C..R 3,986 per passenger.Departing Tue, 1 Jun.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 1 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 3,986, select.

Washington D.C..R 3,987 per passenger.Departing Fri, 2 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Fri, 2 Jul, arriving in Washington Dulles.Price includes taxes and charges.From R 3,987, select.

Washington D.C..R 3,987 per passenger.Departing Thu, 26 Nov.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 26 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 3,987, select.

Washington D.C..R 3,994 per passenger.Departing Fri, 2 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Fri, 2 Apr, arriving in Washington Dulles.Price includes taxes and charges.From R 3,994, select.

Washington D.C..R 3,994 per passenger.Departing Wed, 5 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Wed, 5 May, arriving in Washington Dulles.Price includes taxes and charges.From R 3,994, select.

Find the cheapest month to fly from San Francisco International to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Washington Dulles flights are currently cheapest in October.

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Direct flights from San Francisco International to Washington Dulles

San Francisco International to Washington Dulles: Alternative routes

Compare routes from San Francisco International to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

San Francisco to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	R 2,197
Cheapest month to fly	October
Average flight time	5 hrs, 15 mins
Most popular airline	United
Average flights per week	296

Finding cheap flights from San Francisco International to Washington Dulles: Frequently asked questions

How much are return flights from San Francisco International to Washington Dulles?

The best price we found for a return flight from San Francisco International to Washington Dulles is R 4,375. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from San Francisco International to Washington Dulles?

5 hours and 15 minutes is the average flight time from San Francisco International to Washington Dulles.

Which airlines fly direct from San Francisco International to Washington Dulles?

United, Air New Zealand and Virgin Australia fly direct from San Francisco International to Washington Dulles.

How many flights are there a week from San Francisco International to Washington Dulles?

As of September 2026, there are 296 flights per week flying from San Francisco International to Washington Dulles.

When is the cheapest time to fly from San Francisco International to Washington Dulles?

The cheapest month to fly from San Francisco International to Washington Dulles is usually October.

Which upcoming date is cheapest to fly from San Francisco International Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Washington Dulles Airport on Saturday, 10 October 2026.

Can I get a direct flight from San Francisco International Airport to Washington Dulles Airport?

Yes – the average flight time is 5 hours and 15 minutes.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from San Francisco International Airport to Washington Dulles with?

Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington Dulles.

Travelling from San Francisco International Airport (SFO) to Washington Dulles Airport (IAD): what you need to know

Around 5 hours 25 minutes is how long you'll be travelling on a direct flight from San Francisco International Airport to Washington Dulles Airport.
Washington DC is three hours ahead of San Francisco and observes the UTC-5 timezone.
Flights from SFO to IAD start from 00:20 — the first with United Airlines. The last service of the day is at 23:59 with United Airlines. Overall, you can take your pick of 56 weekly San Francisco International Airport to Washington Dulles Airport flights.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to board your SFO to IAD flight.
You'll likely experience longer lines during popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.
Jetting into Washington DC (and then discovering more of the United States!) is a snap with United. This popular airline has direct flights from San Francisco International Airport to Washington Dulles Airport.
The airline with the highest booking volume on this route is United.
With a dependable 86.69% of services arriving as planned, United is the most punctual carrier operating SFO to IAD flights.
We make it easy to book a flight with a stopover. To see your options for tickets from San Francisco International Airport to Washington Dulles Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Top stopovers between SFO and IAD include:
- Denver International Airport
- Detroit Wayne County Airport
- Minneapolis St Paul Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Washington Dulles Airport (IAD)

R 2,197 is the best price for a one-way San Francisco International Airport to Washington Dulles Airport flight. A return flight starts at R 4,375. These fares can change based on demand and availability.
It's usually smart to book early if you want to get cheap tickets from SFO to IAD. That's because flight prices are based on demand, which tends to rise closer to the date of departure.
The cheapest month for flights from San Francisco International Airport to Washington Dulles Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.
Getting your hands on cheap flights from SFO to IAD couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when there's a better deal.
Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from San Francisco International Airport to Washington Dulles Airport.

Handy information about San Francisco International Airport (SFO)

Of all flights departing from San Francisco International Airport, 78% land on schedule at their destination.
To get to San Francisco International Airport from central San Francisco, it takes about 25 minutes if you're planning to drive. This depends on traffic, however. It's approximately 21 kilometres from the airport to the city centre.
Catching public transport? Expect a journey time of around 35 minutes.
Get your travels off to a relaxed start by staying near SFO. Whether you're boarding an early flight from San Francisco International Airport to Washington Dulles Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Washington Dulles Airport (IAD)

Book a hotel near IAD if you're on a late San Francisco International Airport to Washington Dulles Airport flight. Settle into one of these accommodation options and skip the long transfer:
Travel at your own speed with a Washington Dulles Airport rental car. Pick up your wheels from Dollar, Thrifty or Sixt and see more of Washington DC and beyond.
To get the best deal, reserve your vehicle from Washington Dulles Airport around one week ahead.

Getting from Washington Dulles Airport (IAD) to central Washington DC

The street address for IAD is 1 Saarinen Circle.
From Washington Dulles Airport, Washington DC is approximately 40 kilometres away. It takes around 45 minutes to get to the centre driving.
If you're travelling by public transport, expect a journey of roughly 1 hour 10 minutes.

When to fly to Washington Dulles Airport (IAD)

It's time to choose your trip dates for your flight from San Francisco International Airport to Washington Dulles Airport. July is the busiest month to head to Washington DC. If you want a more laid-back vibe, go in February.
Lock in your flight from San Francisco International Airport to Washington Dulles Airport for July if you'd like to explore Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).
If you like travelling in cooler conditions, look for a cheap ticket from SFO to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of the United States

New York is just one of the many places in the United States waiting to be discovered after you've experienced Washington DC. Around 322 kilometres away to the north-east, well-known attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.
Philadelphia is another essential stop in the United States and is around 193 kilometres north-east of Washington DC. No journey is complete without seeing Independence Hall, Liberty Bell and Philadelphia Museum of Art.