Menu

Cheap flights from San Francisco to Washington Dulles Intl (SFO - IAD)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from San Francisco to Washington Dulles Intl are usually found in August or July, booked 31 days in advance, depart on a Tuesday or Saturday and return on a Saturday

How to find the cheapest flight from
San Francisco (SFO) to Washington Dulles Intl (IAD)

SFO - IAD
Price
$305 - $528
IAD
Temperature
46.4 - 87.8 °F
IAD
Rainfall
2.5 - 4.4 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

$305

From San Francisco to Washington Dulles Intl

One-way from

$127

One-way flight from San Francisco to Washington Dulles Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Washington Dulles Intl?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from San Francisco to Washington Dulles Intl?

Travelers have found it’s best to book a flight 31 days in advance to save up to 111% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 31 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Washington Dulles Intl 1-2 weeks in advance for as low as $235, or $341 for flights within the next 24 hours.

What is the cheapest month to fly from San Francisco to Washington Dulles Intl?

The best pricing can be found in the month of April. Prices to Washington Dulles Intl from San Francisco average $172. You can even find prices in April for less than $172, as users have found deals to Washington Dulles Intl from as low as $113. The month of September appears to be one of the more expensive times to travel to Washington Dulles Intl from San Francisco. Flying in the targeted month can save you up to 32%.

When is the cheapest time to fly from San Francisco to Washington Dulles Intl (SFO - IAD)?

It’s typically best to fly out from San Francisco to Washington Dulles Intl in the evening. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from San Francisco to Washington Dulles Intl in December, January 2021

The best prices found for SFO to IAD flights for December, January
17 Dec - 4 Jan
$208pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco
20 Dec - 4 Jan
$216pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco
23 Dec - 4 Jan
$224pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco

San Francisco to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from San Francisco found for this year
17 Dec - 4 Jan
$208pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco
20 Dec - 4 Jan
$216pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco
23 Dec - 4 Jan
$224pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
SFO
San Francisco

Non-stop flights to Washington Dulles Intl from San Francisco

Save time with San Francisco to Washington Dulles Intl direct flight deals
22 Jan - 23 Jan
$461pp
SFO
San Francisco
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SFO
San Francisco
21 Dec - 26 Dec
$467pp
SFO
San Francisco
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SFO
San Francisco
24 Dec - 29 Dec
$537pp
SFO
San Francisco
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from San Francisco, departing today and this week
11 Dec - 18 Dec
$267pp
SFO
San Francisco
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
   
2 STOPS
SFO
San Francisco
11 Dec - 12 Dec
$281pp
SFO
San Francisco
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SFO
San Francisco
11 Dec - 12 Dec
$285pp
SFO
San Francisco
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
   
2 STOPS
SFO
San Francisco

One-way flights to Washington Dulles Intl from San Francisco

The cheapest one-way flights from San Francisco to Washington Dulles Intl
5:22 am - 7:25 am
American Airlines
2 Stops
23h 03m
SFO - IAD
American Airlines
12:01 pm - 6:25 am
Multiple Airlines
2 Stops
15h 24m
SFO - IAD
Multiple Airlines
$130
Gotogate
7:24 am - 6:25 am
Frontier
2 Stops
20h 01m
SFO - IAD
Frontier
$132
Gotogate

Related info for your journey

Useful info, stats and facts about San Francisco to Washington Dulles Intl flights.

Flight FAQs

From San Francisco to Washington Dulles Intl

Are flight prices decreasing from San Francisco to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Washington Dulles Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from San Francisco to Washington Dulles Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from San Francisco to Washington Dulles Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Alaska Airlines, and Frontier flying from San Francisco to Washington Dulles Intl have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Washington Dulles Intl for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Washington Dulles Intl for under $300. The cheapest flight booked recently is on Multiple Airlines for just $208, but on average you can expect to pay $236.

Are there nonstop flights from San Francisco to Washington Dulles Intl for under $500 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Washington Dulles Intl under $500. A good price for a nonstop flight from San Francisco to Washington Dulles Intl is less than $751.

Are there last-minute flights available from San Francisco to Washington Dulles Intl for under $300?

There are currently 20+ open flights from San Francisco to Washington Dulles Intl within the next 7 days for less than $300.

Does it rain more in San Francisco or Washington Dulles Intl?

In San Francisco, there will be greater rainfall in San Francisco compared to Washington Dulles Intl over the next 14 days.

Is San Francisco weather warmer or cooler than Washington Dulles Intl?

Temperatures around the 88 °F's can be experienced in July. The weather in Washington Dulles Intl is hotter than in San Francisco. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from San Francisco to Washington Dulles Intl?

Departing from San Francisco to Washington Dulles Intl will take you 4h 50m. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Francisco to Washington Dulles Intl round-trip?

Our cheapest airline available from San Francisco to Washington Dulles Intl is Alaska Airlines. Our recent data shows that you can find tickets from as low as $222 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $226 and $242 round-trip. Alaska Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from San Francisco to Washington Dulles Intl one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $47. Check flights for American Airlines, as they currently have the next best price.

Alternative routes for San Francisco to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from San Francisco to Washington Dulles Intl
Average temperature for December in Washington Dulles Intl
48.2 °F
Avg rainfall for December in Washington Dulles Intl
3.2 ″

Airports servicing San Francisco

Airports servicing Washington

Top 7 airlines from San Francisco to Washington Dulles Intl

The chart below displays the airlines Cheapflights users traveling from San Francisco to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$120 $272 No cancel fee 62%
Spirit Airlines
$116 $336 No cancel fee 65%
American Airlines
$156 $363 No cancel fee 71%
Sun Country Air
$151 $373 N/A 83%
Delta
$178 $386 No cancel fee N/A
Alaska Airlines
$178 $437 No cancel fee 75%
United Airlines
$198 $540 No cancel fee 69%

Hourly flight availability from San Francisco to Washington Dulles Intl

Evening 6 PM to midnight 60% of SFO to IAD departures
Morning 6 AM to noon 39% of SFO to IAD departures
Early morning Midnight to 6 AM 1% of SFO to IAD departures
Afternoon Noon to 6 PM 0% of SFO to IAD departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Washington Dulles Intl
Sunday
9 daily flights
Monday
11 daily flights
Tuesday
1 daily flight
Wednesday
8 daily flights
Thursday
4 daily flights
Friday
7 daily flights
Saturday
7 daily flights