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Cheap flights from Washington, D.C. Dulles Intl Airport to San Diego from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Diego departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Diego

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to San Diego.
Alaska Airlines Logo
5:00 pm - 7:43 pmIAD-SAN
5h 43mnonstop
Alaska Airlines Logo
8:30 am - 4:38 pmSAN-IAD
5h 08mnonstop
$197Alaska Airlines
Find Deal
Tue, Apr 22 - Sat, May 10
United Airlines Logo
6:30 am - 12:41 pmIAD-SAN
9h 11m1 stop
United Airlines Logo
8:10 am - 3:58 pmSAN-IAD
4h 48mnonstop
$203United Airlines
Find Deal
Tue, Apr 22 - Tue, May 13
Alaska Airlines Logo
5:00 pm - 7:43 pmIAD-SAN
5h 43mnonstop
Alaska Airlines Logo
7:45 pm - 5:22 pmSAN-IAD
18h 37m1 stop
$207Alaska Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
Alaska Airlines Logo
7:59 pm - 7:39 amIAD-SAN
14h 40m1 stop
Alaska Airlines Logo
6:15 am - 6:59 pmSAN-IAD
9h 44m1 stop
$216Alaska Airlines
Find Deal
Sat, May 24 - Wed, May 28
Hawaiian Airlines Logo
5:00 pm - 7:43 pmIAD-SAN
5h 43mnonstop
Hawaiian Airlines Logo
4:44 pm - 5:55 amSAN-IAD
10h 11m1 stop
$227Hawaiian Airlines
Find Deal
Wed, May 7 - Wed, May 21
United Airlines Logo
1:20 pm - 6:51 pmIAD-SAN
8h 31m1 stop
United Airlines Logo
8:30 pm - 6:29 amSAN-IAD
6h 59m1 stop
$232United Airlines
Find Deal
Wed, May 21 - Tue, May 27
Delta Logo
5:23 pm - 10:42 pmIAD-SAN
8h 19m1 stop
Delta Logo
6:15 am - 4:44 pmSAN-IAD
7h 29m1 stop
$287Delta
Find Deal
Tue, Apr 22 - Fri, May 16
Delta Logo
7:25 am - 2:33 pmIAD-SAN
10h 08m1 stop
Delta Logo
10:00 pm - 8:31 amSAN-IAD
7h 31m1 stop
$297Delta
Find Deal
Thu, Apr 24 - Sun, Apr 27
American Airlines Logo
9:10 am - 3:39 pmIAD-SAN
9h 29m2 stops
American Airlines Logo
6:15 am - 5:38 pmSAN-IAD
8h 23m1 stop
$342American Airlines
Find Deal
Fri, Jul 4 - Sat, Jul 12
Hawaiian Airlines Logo
5:30 pm - 8:19 pmIAD-SAN
5h 49mnonstop
Hawaiian Airlines Logo
8:30 am - 4:38 pmSAN-IAD
5h 08mnonstop
$347Hawaiian Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to San Diego

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to San Diego flight tickets
Alaska Airlines
Apr 22
IAD5:00 pmWashington, D.C. Dulles Intl
5h 43m
SAN7:43 pmSan Diego
May 10
SAN8:30 amSan Diego
5h 08m
IAD4:38 pmWashington, D.C. Dulles Intl
Alaska Airlines
Apr 22
IAD5:00 pmWashington, D.C. Dulles Intl
5h 43m
SAN7:43 pmSan Diego
Apr 29
SAN7:45 pmSan Diego
18h 37m
1 stop
IAD5:22 pmWashington, D.C. Dulles Intl
Alaska Airlines
May 24
IAD7:59 pmWashington, D.C. Dulles Intl
14h 40m
1 stop
SAN7:39 amSan Diego
May 28
SAN6:15 amSan Diego
9h 44m
1 stop
IAD6:59 pmWashington, D.C. Dulles Intl

United Airlines flights from Washington, D.C. Dulles Intl Airport to San Diego

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to San Diego flight tickets
United Airlines
Apr 22
IAD6:30 amWashington, D.C. Dulles Intl
9h 11m
1 stop
SAN12:41 pmSan Diego
May 13
SAN8:10 amSan Diego
4h 48m
IAD3:58 pmWashington, D.C. Dulles Intl
United Airlines
May 21
IAD1:20 pmWashington, D.C. Dulles Intl
8h 31m
1 stop
SAN6:51 pmSan Diego
May 27
SAN8:30 pmSan Diego
6h 59m
1 stop
IAD6:29 amWashington, D.C. Dulles Intl
United Airlines
Apr 25
IAD6:30 amWashington, D.C. Dulles Intl
9h 11m
1 stop
SAN12:41 pmSan Diego
Apr 29
SAN12:45 pmSan Diego
4h 59m
IAD8:44 pmWashington, D.C. Dulles Intl

See travel insights to San Diego from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $373.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $385. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $470. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $339. Flights at noon are often more expensive with an average ticket price of $469.

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

Fly from Washington, D.C. Dulles Intl to San Diego for the best Washington, D.C. Dulles Intl - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Washington, D.C. Dulles Intl Airport when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $411 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Washington, D.C. Dulles Intl Airport for as low as $345 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to San Diego flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to San Diego flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to San Diego flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Diego (IAD to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Diego

Best Price Found

$99

Fastest flight time

5h 14m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Washington, D.C. Dulles Intl Airport in the past 72 hours is $99. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San Diego found on momondo in the last 72 hours is $197.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Diego takes 5h 14m
Direct flights go from Washington, D.C. Dulles Intl Airport to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is Washington, D.C. Dulles Intl to San Diego by plane?

    There are 2245.8 mi between Washington, D.C. Dulles Intl and San Diego. 5h 14m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Diego Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to San Diego?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Diego?


Best airlines flying from Washington, D.C. Dulles Intl Airport to San Diego

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $110Free CancellationRating
6.3
7,886 reviews
Search Spirit Airlines flights
FrontierPriceFrom $150Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
DeltaPriceFrom $154Free CancellationRating
8.0
7,899 reviews
Search Delta flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
9,823 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $291Free CancellationRating
7.9
2,345 reviews
Search Hawaiian Airlines flights
  • Alaska Airlines Flights From Washington, D.C. Dulles Intl Airport to San Diego

    Alaska Airlines flies from Washington, D.C. Dulles Intl Airport to San Diego around 5 times per week, with 9,820 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Washington, D.C. Dulles Intl Airport to San Diego in the last 72 hours was $236 (round-trip), much lower than the average airfare cost of $352 for Alaska Airlines flights on this route.

  • Hawaiian Airlines Flights From Washington, D.C. Dulles Intl Airport to San Diego

    Hawaiian Airlines (7.9/10 from 2,345 reviews) operates around 7 flights from Washington, D.C. Dulles Intl Airport to San Diego in any given week. The average Hawaiian Airlines airfare for this route is around $477, with deals from around $291 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. Dulles Intl Airport to San Diego flight searches in the last 72 hours.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Lemon Grove
Imperial Beach
San Ysidro
Borrego Springs
Poway
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Diego?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San Diego. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to San Diego with flexible booking policies on momondo?

All flight searches from Washington, D.C. to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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