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>

$154 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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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

Fri, Jul 10 - Mon, Jul 20

9:50 am - 7:31 pm

IAD

SAN

12h 41m

1 stop

8:29 pm - 8:20 am

SAN

IAD

8h 51m

1 stop

$290Frontier

Wed, May 27 - Tue, Jun 2

1:59 pm - 11:50 pm

DCA

SAN

12h 51m

1 stop

6:25 am - 9:58 pm

SAN

DCA

12h 33m

1 stop

$290Frontier

Sat, May 30 - Wed, Jun 3

6:00 pm - 11:50 pm

DCA

SAN

8h 50m

1 stop

9:37 am - 9:58 pm

SAN

DCA

9h 21m

1 stop

$292Frontier

Mon, May 25 - Fri, May 29

11:07 am - 8:42 am

IAD

SAN

24h 35m

2 stops

10:07 pm - 8:12 am

SAN

IAD

7h 05m

1 stop

$295Frontier

Tue, May 26 - Fri, May 29

9:12 am - 9:12 pm

IAD

SAN

15h 00m

1 stop

1:38 pm - 8:12 am

SAN

IAD

15h 34m

2 stops

$296Frontier

Sat, May 30 - Wed, Jun 3

8:15 am - 10:38 am

IAD

SAN

5h 23mnonstop

9:45 pm - 5:45 am

SAN

IAD

5h 00mnonstop

$297United Airlines

Tue, Jun 16 - Tue, Jun 23

6:55 pm - 11:20 pm

DCA

SAN

7h 25m

1 stop

9:55 pm - 12:00 pm

SAN

DCA

11h 05m

1 stop

$297Southwest

Tue, Aug 25 - Wed, Sep 2

12:05 pm - 6:20 pm

DCA

SAN

9h 15m

2 stops

6:35 am - 4:50 pm

SAN

DCA

7h 15m

1 stop

$298Southwest

Mon, Jun 1 - Wed, Jun 3

7:37 pm - 10:20 pm

IAD

SAN

5h 43mnonstop

9:43 am - 8:12 am

SAN

IAD

19h 29m

1 stop

$299Multiple Airlines

Sun, May 24 - Tue, Jun 2

7:37 pm - 10:20 pm

IAD

SAN

5h 43mnonstop

9:43 am - 8:12 am

SAN

IAD

19h 29m

1 stop

$302Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$154

Best time to beat the crowds with an average 9% drop in price.

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

Flight from Reagan Washington National 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

National City

Borrego Springs

Poway

Alpine

Lemon Grove

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

$154 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