Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to San Diego from $119

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 2/19. 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

Deals available from 900+ travel sites.

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

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to San Diego.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to San Diego

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to San Diego.

All round-trip flight deals from Washington, D.C. Dulles Intl Airport to San Diego

The cheapest plane tickets from Washington, D.C. Dulles Intl Airport to San Diego found on KAYAK recently.
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$237Alaska Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
12:55 pm - 6:56 pmIAD-SAN
9h 01m1 stop
9:45 pm - 5:41 amSAN-IAD
4h 56mnonstop
$243United Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
5:45 pm - 11:58 pmIAD-SAN
9h 13m1 stop
8:00 am - 3:40 pmSAN-IAD
4h 40mnonstop
$247United Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 18
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$252Alaska Airlines
Find Deal
Mon, Feb 24 - Wed, Feb 26
6:30 am - 11:12 amIAD-SAN
7h 42m1 stop
6:15 am - 4:12 pmSAN-IAD
6h 57m1 stop
$257American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
5:24 pm - 10:24 pmIAD-SAN
8h 00m1 stop
9:55 pm - 8:42 amSAN-IAD
7h 47m1 stop
$271American Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 18
6:15 am - 12:56 pmIAD-SAN
9h 41m1 stop
10:10 pm - 8:42 amSAN-IAD
7h 32m1 stop
$277Delta
Find Deal
Tue, Apr 29 - Tue, May 6
6:05 am - 10:55 amIAD-SAN
7h 50m1 stop
7:10 am - 6:55 pmSAN-IAD
8h 45m1 stop
$282Delta
Find Deal
Mon, Feb 24 - Wed, Feb 26
5:30 pm - 10:50 pmIAD-SAN
8h 20m1 stop
6:45 am - 4:45 pmSAN-IAD
7h 00m1 stop
$327Southwest
Find Deal
Tue, Apr 1 - Fri, Apr 4
5:20 pm - 10:55 pmIAD-SAN
8h 35m1 stop
11:20 am - 11:05 pmSAN-IAD
8h 45m2 stops
$342Southwest
Find Deal
Mon, Feb 24 - Wed, Feb 26
1:05 pm - 3:57 pmIAD-SAN
5h 52mnonstop
$119United Airlines
Find Deal
Wed, Feb 19
12:55 pm - 6:56 pmIAD-SAN
9h 01m1 stop
$124United Airlines
Find Deal
Tue, Apr 1
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$134Alaska Airlines
Find Deal
Thu, Feb 20
3:05 pm - 9:06 pmIAD-SAN
9h 01m1 stop
$139Delta
Find Deal
Wed, Feb 12
3:05 pm - 9:06 pmIAD-SAN
9h 01m1 stop
$144Delta
Find Deal
Thu, Feb 20
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$149Alaska Airlines
Find Deal
Fri, Feb 21
9:26 am - 11:47 pmIAD-SAN
17h 21m2 stops
$161Frontier
Find Deal
Thu, Apr 17
3:13 pm - 11:58 pmIAD-SAN
11h 45m2 stops
$163Frontier
Find Deal
Sun, May 11
5:00 am - 9:15 amIAD-SAN
7h 15m1 stop
$194American Airlines
Find Deal
Thu, Apr 17
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$199American Airlines
Find Deal
Sun, Feb 23
5:25 pm - 8:17 pmIAD-SAN
5h 52mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$537Alaska Airlines
Find Deal
Fri, Jan 24 - Sat, Feb 15
6:57 pm - 9:48 amIAD-SAN
17h 51m1 stop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$547Alaska Airlines
Find Deal
Fri, Jan 24 - Sat, Feb 15
1:53 pm - 9:05 pmIAD-SAN
10h 12m1 stop
1:46 pm - 11:53 pmSAN-IAD
7h 07m1 stop
$557American Airlines
Find Deal
Fri, Jan 24 - Sat, Feb 15
8:21 am - 11:03 amIAD-SAN
5h 42mnonstop
1:30 pm - 9:16 pmSAN-IAD
4h 46mnonstop
$603United Airlines
Find Deal
Fri, Jan 24 - Sat, Feb 15
12:45 pm - 8:22 pmIAD-SAN
10h 37m1 stop
1:30 pm - 9:16 pmSAN-IAD
4h 46mnonstop
$613United Airlines
Find Deal
Fri, Jan 24 - Sat, Feb 15
5:24 pm - 10:24 pmIAD-SAN
8h 00m1 stop
12:50 pm - 10:41 pmSAN-IAD
6h 51m1 stop
$642American Airlines
Find Deal
Fri, Jan 24 - Tue, Feb 4
5:16 pm - 10:52 pmIAD-SAN
8h 36m1 stop
1:35 pm - 11:36 pmSAN-IAD
7h 01m1 stop
$727Delta
Find Deal
Fri, Jan 24 - Wed, Jan 29
7:15 am - 1:50 pmIAD-SAN
9h 35m1 stop
9:40 am - 11:05 pmSAN-IAD
10h 25m2 stops
$732Southwest
Find Deal
Sat, Jan 25 - Tue, Jan 28
11:10 am - 7:25 pmIAD-SAN
11h 15m2 stops
9:00 am - 11:20 pmSAN-IAD
11h 20m2 stops
$737Southwest
Find Deal
Thu, Jan 23 - Sun, Jan 26
12:31 pm - 6:02 pmIAD-SAN
8h 31m1 stop
2:26 pm - 12:22 amSAN-IAD
6h 56m1 stop
$827Delta
Find Deal
Wed, Jan 22 - Sun, Jan 26
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$237Alaska Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$252Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$267Alaska Airlines
Find Deal
Sat, Feb 22 - Thu, Feb 27
8:21 am - 11:03 amIAD-SAN
5h 42mnonstop
9:30 pm - 5:16 amSAN-IAD
4h 46mnonstop
$311United Airlines
Find Deal
Tue, Feb 11 - Mon, Feb 17
1:15 pm - 3:57 pmIAD-SAN
5h 42mnonstop
8:15 am - 3:58 pmSAN-IAD
4h 43mnonstop
$337United Airlines
Find Deal
Fri, Feb 7 - Wed, Feb 12
6:17 pm - 8:59 pmIAD-SAN
5h 42mnonstop
8:00 am - 3:40 pmSAN-IAD
4h 40mnonstop
$341United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
5:25 pm - 8:17 pmIAD-SAN
5h 52mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$351American Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 18
8:30 am - 11:21 amIAD-SAN
5h 51mnonstop
8:00 am - 3:40 pmSAN-IAD
4h 40mnonstop
$355United Airlines
Find Deal
Thu, Feb 20 - Wed, Feb 26
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$447American Airlines
Find Deal
Thu, Feb 13 - Sun, Feb 16
5:30 pm - 8:19 pmIAD-SAN
5h 49mnonstop
8:50 am - 4:58 pmSAN-IAD
5h 08mnonstop
$457American Airlines
Find Deal
Tue, Apr 1 - Fri, Apr 4

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 1
IAD12:55 pmWashington, D.C. Dulles Intl
9h 01m
1 stop
SAN6:56 pmSan Diego
Apr 8
SAN9:45 pmSan Diego
4h 56m
IAD5:41 amWashington, D.C. Dulles Intl
United Airlines
Feb 11
IAD5:45 pmWashington, D.C. Dulles Intl
9h 13m
1 stop
SAN11:58 pmSan Diego
Feb 18
SAN8:00 amSan Diego
4h 40m
IAD3:40 pmWashington, D.C. Dulles Intl
United Airlines
Feb 24
IAD6:17 pmWashington, D.C. Dulles Intl
5h 42m
SAN8:59 pmSan Diego
Feb 26
SAN6:15 amSan Diego
10h 10m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to San Diego flight tickets
Delta
Apr 29
IAD6:15 amWashington, D.C. Dulles Intl
9h 41m
1 stop
SAN12:56 pmSan Diego
May 6
SAN10:10 pmSan Diego
7h 32m
1 stop
IAD8:42 amWashington, D.C. Dulles Intl
Delta
Feb 24
IAD6:05 amWashington, D.C. Dulles Intl
7h 50m
1 stop
SAN10:55 amSan Diego
Feb 26
SAN7:10 amSan Diego
8h 45m
1 stop
IAD6:55 pmWashington, D.C. Dulles Intl
Delta
Feb 22
IAD3:05 pmWashington, D.C. Dulles Intl
9h 01m
1 stop
SAN9:06 pmSan Diego
Feb 24
SAN7:10 amSan Diego
8h 45m
1 stop
IAD6:55 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 May is also very affordable. Most momondo users find prices during this month for around $372.

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 $363. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $419. 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 $415.

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 22 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $405 when searching 22 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 $321 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 January 2025, prices for Washington, D.C. Dulles Intl Airport to San Diego flights are approximately 31% more expensive 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

$119

Fastest flight time

5h 12m

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 $119. 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 $237.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Diego takes 5h 12m
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 12m 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
8,115 reviews
Search Spirit Airlines flights
DeltaPriceFrom $154Free CancellationRating
8.0
8,521 reviews
Search Delta flights
FrontierPriceFrom $163Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $222Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American 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 7 times per week, with 9,706 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 $222 (round-trip), much lower than the average airfare cost of $355 for Alaska Airlines flights on this route.

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

    United Airlines (7.4/10 from 8,984 reviews) operates around 20 flights from Washington, D.C. Dulles Intl Airport to San Diego in any given week. The average United Airlines airfare for this route is around $411, with deals from around $257 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
La Mesa
National City
Lemon Grove
San Ysidro
Alpine
Borrego Springs
Imperial Beach
Poway
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
From?
To?
Sun 1/26
Sun 2/2
Email me momondo's favorite deals

Find better results for your trip to the United States