Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to San Diego from $77

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Diego

Cheap round-trip flights

Southwest Logo
5:45 am - 11:50 amIAD-SAN
9h 05m1 stop
Southwest Logo
6:35 am - 5:15 pmSAN-IAD
7h 40m1 stop
$154Southwest
Find Deal
พ., ก.ย. 10 - พ., ก.ย. 17
Southwest Logo
7:00 am - 5:25 pmIAD-SAN
13h 25m2 stops
Southwest Logo
12:35 pm - 10:05 pmSAN-IAD
6h 30m1 stop
$159Southwest
Find Deal
ส., ส.ค. 23 - พ., ส.ค. 27
Southwest Logo
2:25 pm - 9:00 pmIAD-SAN
9h 35m2 stops
Southwest Logo
8:40 am - 10:05 pmSAN-IAD
10h 25m2 stops
$164Southwest
Find Deal
พ., ก.ย. 10 - พ., ก.ย. 17
Southwest Logo
6:25 pm - 11:15 pmIAD-SAN
7h 50m1 stop
Southwest Logo
9:35 am - 11:05 pmSAN-IAD
10h 30m2 stops
$169Southwest
Find Deal
พฤ., ต.ค. 16 - อ., ต.ค. 21
American Airlines Logo
7:44 am - 12:04 pmIAD-SAN
7h 20m1 stop
American Airlines Logo
12:50 pm - 11:59 pmSAN-IAD
8h 09m1 stop
$177American Airlines
Find Deal
ศ., ส.ค. 15 - พฤ., ส.ค. 21
American Airlines Logo
6:25 am - 12:03 pmIAD-SAN
8h 38m1 stop
American Airlines Logo
10:32 pm - 10:07 amSAN-IAD
8h 35m1 stop
$195American Airlines
Find Deal
ศ., ก.ย. 12 - ศ., ก.ย. 12
Hawaiian Airlines Logo
5:42 pm - 8:20 pmIAD-SAN
5h 38mnonstop
Hawaiian Airlines Logo
8:30 am - 4:42 pmSAN-IAD
5h 12mnonstop
$233Hawaiian Airlines
Find Deal
พ., ต.ค. 8 - อ., ต.ค. 14
Hawaiian Airlines Logo
5:52 pm - 8:19 pmIAD-SAN
5h 27mnonstop
Hawaiian Airlines Logo
8:33 am - 4:47 pmSAN-IAD
5h 14mnonstop
$234Hawaiian Airlines
Find Deal
ส., ส.ค. 23 - ส., ส.ค. 30
Alaska Airlines Logo
5:52 pm - 8:19 pmIAD-SAN
5h 27mnonstop
Alaska Airlines Logo
8:33 am - 4:47 pmSAN-IAD
5h 14mnonstop
$237Alaska Airlines
Find Deal
ส., ส.ค. 23 - อ., ส.ค. 26
United Airlines Logo
9:00 am - 11:24 amIAD-SAN
5h 24mnonstop
United Airlines Logo
12:00 pm - 10:06 pmSAN-IAD
7h 06m1 stop
$243United Airlines
Find Deal
ส., ก.ย. 27 - อ., ก.ย. 30

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to San Diego flight tickets
Southwest
Sep 10
IAD5:45 amWashington, D.C. Dulles Intl
9h 05m
1 stop
SAN11:50 amSan Diego
Sep 17
SAN6:35 amSan Diego
7h 40m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Southwest
Aug 23
IAD7:00 amWashington, D.C. Dulles Intl
13h 25m
2 stops
SAN5:25 pmSan Diego
Aug 27
SAN12:35 pmSan Diego
6h 30m
1 stop
IAD10:05 pmWashington, D.C. Dulles Intl
Southwest
Sep 10
IAD2:25 pmWashington, D.C. Dulles Intl
9h 35m
2 stops
SAN9:00 pmSan Diego
Sep 17
SAN8:40 amSan Diego
10h 25m
2 stops
IAD10:05 pmWashington, D.C. Dulles Intl

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to San Diego flight tickets
Frontier
Jul 28
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
Jul 31
SAN7:04 pmSan Diego
8h 30m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Frontier
Jul 20
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
Jul 25
SAN7:05 pmSan Diego
8h 29m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Frontier
Jul 18
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
Jul 20
SAN7:04 pmSan Diego
8h 30m
1 stop
IAD6:34 amWashington, 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 September, then departing from Washington, D.C. Dulles Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $370.

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 Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $387. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $473. 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 $475.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $412 when searching 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 $343 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 July 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

$77

Fastest flight time

5h 24m

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 $77. 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 $154.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Diego takes 5h 24m
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 24m 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
8,064 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,552 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $159Free CancellationRating
5.9
3,273 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,843 reviews
Search United Airlines flights
DeltaPriceFrom $266Free CancellationRating
8.0
7,958 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,258 reviews
Search Southwest 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 6 times per week, with 10,000 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 $349 for Alaska Airlines flights on this route.

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

    Hawaiian Airlines (7.8/10 from 2,552 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 $352, with deals from around $158 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
Coronado
El Cajon
Chula Vista
Julian
National City
La Mesa
Imperial Beach
San Ysidro
Poway
Borrego Springs
Lemon Grove
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.


An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
จ. 7/14
จ. 7/21

Find better results for your trip to the United States