How does KAYAK find such low prices on flights from District of Columbia to San Diego?

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 District of Columbia to San Diego. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from District of Columbia to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to District of Columbia with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to San Diego?

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 San Diego from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$137 CHEAP FLIGHTS from District of Columbia to San Diego

SAN

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

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Flight Deals

Cheap Flights from District of Columbia to San Diego

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to San Diego

Sat, Apr 18 - Thu, Apr 23

6:22 pm - 9:22 pm

IAD

SAN

6h 00mnonstop

7:35 pm - 12:09 am

SAN

IAD

25h 34m

1 stop

$262Alaska Airlines

Sat, Apr 18 - Sat, Apr 25

4:55 pm - 9:45 pm

DCA

SAN

7h 50m

1 stop

8:40 am - 7:55 pm

SAN

DCA

8h 15m

2 stops

$262Southwest

Wed, May 6 - Sun, May 10

9:27 am - 3:39 pm

IAD

SAN

9h 12m

1 stop

9:45 pm - 5:43 am

SAN

IAD

4h 58mnonstop

$263United Airlines

Thu, Apr 16 - Sun, Apr 19

1:59 pm - 11:59 pm

DCA

SAN

13h 00m

1 stop

6:25 am - 4:59 pm

SAN

DCA

7h 34m

1 stop

$264Frontier

Sat, Apr 11 - Mon, Apr 13

7:00 am - 12:02 am

DCA

SAN

20h 02m

1 stop

9:28 pm - 9:59 pm

SAN

DCA

21h 31m

1 stop

$265Frontier

Tue, Apr 21 - Tue, Apr 28

4:30 pm - 10:40 pm

IAD

SAN

9h 10m

2 stops

10:05 am - 11:40 pm

SAN

IAD

10h 35m

2 stops

$267Southwest

Tue, Apr 21 - Tue, Apr 28

10:55 am - 7:35 pm

DCA

SAN

11h 40m

2 stops

8:35 am - 11:00 pm

SAN

DCA

11h 25m

2 stops

$267Southwest

Tue, Apr 21 - Sat, Apr 25

4:30 pm - 10:40 pm

IAD

SAN

9h 10m

2 stops

8:20 am - 10:55 pm

SAN

IAD

11h 35m

1 stop

$268Southwest

Mon, Apr 13 - Fri, Apr 17

6:22 pm - 9:22 pm

IAD

SAN

6h 00mnonstop

7:00 am - 7:24 pm

SAN

IAD

9h 24m

1 stop

$269Multiple Airlines

Sat, Apr 18 - Sat, Apr 25

6:22 pm - 9:22 pm

IAD

SAN

6h 00mnonstop

9:35 am - 5:41 pm

SAN

IAD

5h 06mnonstop

$271Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$137

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from Washington Dulles Airport to San Diego

Verified travelerFlew with Alaska Airlines

DCA

SAN

Feb 2026

DCA only has a few flights to other coast. IAD has many. If something goes wrong you’ll have more options flying out of IAD.

RebeccaFlew with Alaska Airlines

IAD

SAN

Sep 2024

Get something to eat in the airport, just in case there is no food onboard.

How does KAYAK find such low prices on flights from District of Columbia to San Diego?
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 District of Columbia to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to San Diego?
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 San Diego from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Julian

Borrego Springs

National City

Poway

Lemon Grove

Alpine

Santee

Everything you need to know for your flight to San Diego

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Diego

San Diego (SAN)

SAN

$137 Find Cheap Flights from District of Columbia to San Diego

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

Cheap Flights from District of Columbia to San Diego

Recent round-trip flight deals from District of Columbia to San Diego

Recent one-way flight deals from District of Columbia to San Diego

Recent last minute flight deals from District of Columbia to San Diego

Recent direct flight deals from District of Columbia to San Diego

Good to know

Flights from District of Columbia to San Diego: the best tips from KAYAK users

FAQs for booking flights from District of Columbia to San Diego

How does KAYAK find such low prices on flights from District of Columbia to San Diego?

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 District of Columbia to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to San Diego?

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

What is the Hacker Fare option on flights from District of Columbia to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to San Diego?

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 San Diego from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Diego?

Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego

Cabin class types available on flights to District of Columbia

Complete your trip to San Diego with a hotel stay or car rental

Find direct flights for San Diego

Flights to other popular destinations

Flights from domestic origins to San Diego

Choose which airport to fly into in San Diego

Find deals for your return flight