How long does a flight from San Diego to Washington, D.C. take?

Direct flights cover the 2,248 miles separating San Diego to Washington, D.C. in about 5h 11m .

How many flights are there between San Diego and Washington, D.C. Dulles Intl Airport per day?

Each day, there are between 3 and 4 direct flights that take off from San Diego and land in Washington, D.C. Dulles Intl Airport, with an average flight time of 4h 50m. The most common departure time is 21:00 and most flights take off in the morning. Each week, there are 27 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.

What is the cheapest flight from San Diego to Washington, D.C. Dulles Intl Airport?

In the last 5 days, the lowest price for a flight from San Diego to Washington, D.C. Dulles Intl Airport was £142 for a one-way ticket and £259 for a return.

What’s the earliest departure time from San Diego to Washington, D.C.?

Early birds can take the earliest flight from San Diego at 08:00 and will be landing in Washington, D.C. Dulles Intl Airport at 15:56.

What’s the latest departure time from San Diego to Washington, D.C.?

If you prefer to fly at night, the latest flight from San Diego to Washington, D.C. Dulles Intl Airport jets off at 21:45 and lands at 05:27.

Which airlines offer Wi-Fi service onboard planes from San Diego to Washington, D.C.?

Alaska Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the San Diego to Washington, D.C. flight route.

Which aircraft models fly most regularly from San Diego to Washington, D.C.?

The Boeing 737 is the aircraft model that flies most regularly on the San Diego to Washington, D.C. flight route.

On which days can I fly direct from San Diego to Washington, D.C.?

There are direct flights from San Diego to Washington, D.C. on a daily basis.

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

The cheapest month for flights from San Diego to Washington, D.C. Dulles Intl Airport is May , where tickets cost £283 (return) on average. On the other hand, the most expensive months are October and January, where the average cost of round-trip tickets is £400 and £350 respectively.

How does KAYAK find such low prices on flights from San Diego to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from San Diego is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from San Diego to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to San Diego with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How often are flights from San Diego to Washington, D.C. delayed?

Weekly flights between San Diego and Washington, D.C. historically see delays in approximately 9% of cases , with the average delay over the past year being 127 minutes.

Which airline has the best punctuality record on San Diego to Washington, D.C. flights?

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

What day of the week experiences the fewest flight delays on this route?

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

What is the most punctual flight time for San Diego to Washington, D.C. flights?

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Which cabin class options are there for flights between San Diego and Washington, D.C. Dulles Intl Airport?

There is only one cabin class option available for the route, which is Economy . Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Which airlines provide the cheapest flights from San Diego to Washington, D.C.?

In the past 5 days, the cheapest return tickets from San Diego to Washington, D.C. were found on Delta (£259) and United Airlines (£260).

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

To get a below average price on the flight from San Diego to Washington, D.C. Dulles Intl Airport, you should book around 4 weeks before departure , which saves you about 49% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

How much is a return flight from San Diego to Washington, D.C. Dulles Intl Airport?

Flight prices are below average for this route right now. Flights to Washington, D.C. Dulles Intl Airport from San Diego usually cost between £268 and £403 in November. The lowest price found in the past 5 days was £259 on Delta (22 Nov–3 Dec).

£142 CHEAP FLIGHTS from San Diego to Washington, D.C. (SAN - IAD)

Save 34% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return fare

£259

Typical prices: £275-£410

Delta

Sun 22/11Thu 3/12

SAN - IAD • 1 stop

Cheapest direct flights

£268

Typical prices: £246-£443

Alaska Airlines

Fri 18/12Mon 18/1

SAN - IAD • Direct

Direct flights

Every day

You can fly direct with Alaska Airlines and United Airlines. Average duration is 4h 50m

Direct flights

Avoid delays

United Airlines

Most punctual • 91% on-time

Morning flights

Best time • Fewest delays

Insights

When to book

4 weeks

in advance

Our data shows that travellers who book at least 4 weeks in advance save around 49% compared to booking last minute.

Insights

When to travel

May

Cheapest • 15% price drop

December

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to Dulles Intl!

Flight Deals

Cheap Flights from San Diego to Dulles Intl (SAN-IAD)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Direct

Recent return flight deals from San Diego to Dulles Intl

Sun, 22 Nov - Thu, 3 Dec

11:02 - 00:20SAN San Diego-IAD Washington, D.C. Dulles Intl

10h 18m1 stop Seattle/Tacoma Intl

18:20 - 23:57IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 37m1 stop New York John F Kennedy Intl

£259Delta

Wed, 2 Dec - Mon, 7 Dec

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

10:10 - 15:12IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 02m1 stop Chicago O'Hare Intl

£260United Airlines

Wed, 9 Dec - Mon, 14 Dec

07:20 - 23:47SAN San Diego-IAD Washington, D.C. Dulles Intl

13h 27m2 stops Seattle/Tacoma Intl Salt Lake City

06:00 - 11:54IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 54m1 stop Atlanta Hartsfield-Jackson

£265Delta

Fri, 18 Dec - Sat, 2 Jan

09:50 - 17:51SAN San Diego-IAD Washington, D.C. Dulles Intl

5h 01mdirect

19:13 - 21:58IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 45mdirect

£268Alaska Airlines

Tue, 29 Dec - Sat, 9 Jan

21:50 - 05:37SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 47mdirect

08:25 - 11:16IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 51mdirect

£271United Airlines

Thu, 3 Dec - Mon, 7 Dec

09:43 - 21:57SAN San Diego-IAD Washington, D.C. Dulles Intl

9h 14m1 stop San Francisco

17:40 - 20:23IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£272United Airlines

Tue, 5 Jan - Wed, 24 Feb

09:56 - 17:50SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 54mdirect

07:00 - 14:37IAD Washington, D.C. Dulles Intl-SAN San Diego

10h 37m1 stop Seattle/Tacoma Intl

£275Alaska Airlines

Sat, 19 Dec - Sat, 9 Jan

13:30 - 23:33SAN San Diego-IAD Washington, D.C. Dulles Intl

7h 03m1 stop Minneapolis St Paul

17:26 - 22:40IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 14m1 stop Detroit Metropolitan Wayne County

£276Delta

Tue, 15 Dec - Sun, 20 Dec

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

13:05 - 18:43IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 38m1 stop Chicago O'Hare Intl

£277United Airlines

Tue, 1 Dec - Mon, 7 Dec

09:40 - 17:39SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 59mdirect

07:00 - 19:54IAD Washington, D.C. Dulles Intl-SAN San Diego

15h 54m2 stops Seattle/Tacoma Intl San Jose

£280Alaska Airlines

Recent last minute flight deals from San Diego to Dulles Intl

Sun, 1 Nov - Mon, 2 Nov

14:08 - 08:49SAN San Diego-IAD Washington, D.C. Dulles Intl

15h 41m1 stop Chicago O'Hare Intl

12:45 - 15:28IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£470United Airlines

Sat, 31 Oct - Sun, 1 Nov

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

08:23 - 15:12IAD Washington, D.C. Dulles Intl-SAN San Diego

9h 49m1 stop Chicago O'Hare Intl

£494United Airlines

Sat, 31 Oct - Sun, 1 Nov

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

08:23 - 17:17IAD Washington, D.C. Dulles Intl-SAN San Diego

11h 54m2 stops Chicago O'Hare Intl Los Angeles

£501United Airlines

Mon, 2 Nov - Wed, 4 Nov

11:08 - 23:30SAN San Diego-IAD Washington, D.C. Dulles Intl

9h 22m1 stop Dallas/Fort Worth

07:14 - 12:11IAD Washington, D.C. Dulles Intl-SAN San Diego

7h 57m1 stop Dallas/Fort Worth

£509American Airlines

Tue, 3 Nov - Tue, 10 Nov

08:00 - 15:56SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 56mdirect

17:50 - 20:33IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£534United Airlines

Tue, 3 Nov - Tue, 10 Nov

14:08 - 00:30SAN San Diego-IAD Washington, D.C. Dulles Intl

7h 22m1 stop Chicago O'Hare Intl

17:50 - 20:33IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£538United Airlines

Sun, 1 Nov - Mon, 2 Nov

22:30 - 08:49SAN San Diego-IAD Washington, D.C. Dulles Intl

7h 19m1 stop Chicago O'Hare Intl

12:45 - 15:28IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£540United Airlines

Tue, 3 Nov - Tue, 10 Nov

14:08 - 00:30SAN San Diego-IAD Washington, D.C. Dulles Intl

7h 22m1 stop Chicago O'Hare Intl

12:45 - 17:17IAD Washington, D.C. Dulles Intl-SAN San Diego

7h 32m1 stop Los Angeles

£545United Airlines

Wed, 4 Nov - Wed, 11 Nov

06:15 - 16:28SAN San Diego-IAD Washington, D.C. Dulles Intl

7h 13m1 stop Detroit Metropolitan Wayne County

18:20 - 23:59IAD Washington, D.C. Dulles Intl-SAN San Diego

8h 39m1 stop New York John F Kennedy Intl

£549Delta

Thu, 5 Nov - Tue, 10 Nov

09:41 - 17:40SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 59mdirect

07:46 - 14:47IAD Washington, D.C. Dulles Intl-SAN San Diego

10h 01m1 stop Seattle/Tacoma Intl

£556Alaska Airlines

Recent direct flight deals from San Diego to Dulles Intl

Fri, 18 Dec - Mon, 18 Jan

09:50 - 17:51SAN San Diego-IAD Washington, D.C. Dulles Intl

5h 01mdirect

18:53 - 21:47IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 54mdirect

£268Alaska Airlines

Tue, 29 Dec - Sat, 9 Jan

21:50 - 05:37SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 47mdirect

08:25 - 11:16IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 51mdirect

£271United Airlines

Sat, 19 Dec - Mon, 18 Jan

21:50 - 05:37SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 47mdirect

17:40 - 20:34IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 54mdirect

£277United Airlines

Sun, 13 Dec - Wed, 16 Dec

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

08:37 - 11:21IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 44mdirect

£283United Airlines

Tue, 29 Dec - Fri, 8 Jan

21:50 - 05:37SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 47mdirect

17:40 - 20:34IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 54mdirect

£286United Airlines

Tue, 22 Dec - Wed, 6 Jan

09:50 - 17:51SAN San Diego-IAD Washington, D.C. Dulles Intl

5h 01mdirect

18:53 - 21:47IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 54mdirect

£286Alaska Airlines

Tue, 15 Dec - Sun, 3 Jan

09:40 - 17:39SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 59mdirect

19:13 - 21:58IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 45mdirect

£290Alaska Airlines

Tue, 2 Mar - Fri, 5 Mar

12:55 - 20:49SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 54mdirect

17:55 - 20:48IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 53mdirect

£292United Airlines

Mon, 7 Dec - Thu, 10 Dec

21:45 - 05:27SAN San Diego-IAD Washington, D.C. Dulles Intl

4h 42mdirect

17:40 - 20:23IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 43mdirect

£298United Airlines

Tue, 22 Dec - Fri, 1 Jan

09:50 - 17:51SAN San Diego-IAD Washington, D.C. Dulles Intl

5h 01mdirect

19:13 - 21:58IAD Washington, D.C. Dulles Intl-SAN San Diego

5h 45mdirect

£301Alaska Airlines

Booking Insights

KAYAK’s insights & trends for San Diego to Dulles Intl flights

Get data-powered insights and trends into flights from San Diego to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

Delays

How much is a return flight from San Diego to Washington, D.C. Dulles Intl Airport? This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from San Diego to Washington, D.C. Dulles Intl Airport departing in November.
What is the cheapest month to fly from San Diego to Washington, D.C. Dulles Intl Airport? To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.: The cheapest month for flights from San Diego to Washington, D.C. Dulles Intl Airport is May, where tickets cost £283 (return) on average. On the other hand, the most expensive months are October and January, where the average cost of round-trip tickets is £400 and £350 respectively.
How far in advance should I book a flight from San Diego to Washington, D.C. Dulles Intl Airport? To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Diego to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.: To get a below average price on the flight from San Diego to Washington, D.C. Dulles Intl Airport, you should book around 4 weeks before departure, which saves you about 49% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Find deals

Low season	January
High season	December
Cheapest flight	£142

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly (4% more expensive on average)

Flight from San Diego to Washington, D.C.

When to book flights from San Diego to Dulles Intl

Are your dates flexible? Find out the best times to travel from San Diego to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from San Diego to Washington, D.C. Dulles Intl Airport?
In the last 5 days, the lowest price for a flight from San Diego to Washington, D.C. Dulles Intl Airport was £142 for a one-way ticket and £259 for a return.
Which airlines offer Wi-Fi service onboard planes from San Diego to Washington, D.C.?
Alaska Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the San Diego to Washington, D.C. flight route.
Which aircraft models fly most regularly from San Diego to Washington, D.C.?
The Boeing 737 is the aircraft model that flies most regularly on the San Diego to Washington, D.C. flight route.
On which days can I fly direct from San Diego to Washington, D.C.?
There are direct flights from San Diego to Washington, D.C. on a daily basis.
How does KAYAK find such low prices on flights from San Diego to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from San Diego is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from San Diego to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to San Diego with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Direct departures

San Diego to Washington, D.C. Dulles Intl

Monday