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Cheap flights from Washington, D.C. Dulles Intl Airport to San Diego from $129

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 11/15. 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

Enter your travel dates to find the best prices.
United Airlines Logo
5:55 pm - 8:33 pmIAD-SAN
5h 38mnonstop
United Airlines Logo
10:20 am - 8:51 pmSAN-IAD
7h 31m1 stop
$247United Airlines
Find Deal
mié., nov. 12 - mié., nov. 19
United Airlines Logo
3:23 pm - 7:52 pmIAD-SAN
7h 29m1 stop
United Airlines Logo
12:08 pm - 10:15 pmSAN-IAD
7h 07m1 stop
$252United Airlines
Find Deal
mié., dic. 10 - mar., dic. 16
Delta Logo
1:00 pm - 6:00 pmIAD-SAN
8h 00m1 stop
Delta Logo
10:00 pm - 10:24 amSAN-IAD
9h 24m1 stop
$257Delta
Find Deal
sáb., nov. 8 - sáb., nov. 15
Hawaiian Airlines Logo
7:34 am - 4:57 pmIAD-SAN
12h 23m1 stop
Hawaiian Airlines Logo
2:00 pm - 10:05 pmSAN-IAD
5h 05mnonstop
$261Hawaiian Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
American Airlines Logo
6:24 am - 3:16 pmIAD-SAN
11h 52m2 stops
American Airlines Logo
6:15 am - 4:11 pmSAN-IAD
6h 56m1 stop
$262American Airlines
Find Deal
sáb., nov. 8 - sáb., nov. 15
American Airlines Logo
2:16 pm - 7:43 pmIAD-SAN
8h 27m1 stop
American Airlines Logo
6:15 am - 4:11 pmSAN-IAD
6h 56m1 stop
$266American Airlines
Find Deal
lun., nov. 10 - sáb., nov. 15
Alaska Airlines Logo
5:40 pm - 8:29 pmIAD-SAN
5h 49mnonstop
Alaska Airlines Logo
6:38 pm - 6:23 amSAN-IAD
8h 45m1 stop
$274Alaska Airlines
Find Deal
mar., nov. 11 - jue., nov. 13
Frontier Logo
10:04 am - 6:48 pmIAD-SAN
11h 44m1 stop
Frontier Logo
12:34 pm - 11:55 pmSAN-IAD
32h 21m2 stops
$280Frontier
Find Deal
lun., oct. 27 - vie., oct. 31
Alaska Airlines Logo
5:40 pm - 8:29 pmIAD-SAN
5h 49mnonstop
Alaska Airlines Logo
9:11 am - 5:13 pmSAN-IAD
5h 02mnonstop
$284Alaska Airlines
Find Deal
dom., nov. 2 - mié., nov. 5
Frontier Logo
8:47 am - 11:50 pmIAD-SAN
18h 03m2 stops
Frontier Logo
6:41 am - 11:29 pmSAN-IAD
13h 48m2 stops
$303Frontier
Find Deal
mié., oct. 29 - vie., oct. 31

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
Nov 12
IAD5:55 pmWashington, D.C. Dulles Intl
5h 38m
SAN8:33 pmSan Diego
Nov 19
SAN10:20 amSan Diego
7h 31m
1 stop
IAD8:51 pmWashington, D.C. Dulles Intl
$247
Find similar
United Airlines
Dec 10
IAD3:23 pmWashington, D.C. Dulles Intl
7h 29m
1 stop
SAN7:52 pmSan Diego
Dec 16
SAN12:08 pmSan Diego
7h 07m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
$252
Find similar
United Airlines
Nov 7
IAD5:55 pmWashington, D.C. Dulles Intl
5h 38m
SAN8:33 pmSan Diego
Nov 8
SAN12:07 pmSan Diego
7h 05m
1 stop
IAD10:12 pmWashington, D.C. Dulles Intl
$263
Find similar

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
Nov 11
IAD5:40 pmWashington, D.C. Dulles Intl
5h 49m
SAN8:29 pmSan Diego
Nov 13
SAN6:38 pmSan Diego
8h 45m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
$274
Find similar
Alaska Airlines
Nov 2
IAD5:40 pmWashington, D.C. Dulles Intl
5h 49m
SAN8:29 pmSan Diego
Nov 5
SAN9:11 amSan Diego
5h 02m
IAD5:13 pmWashington, D.C. Dulles Intl
$284
Find similar
Alaska Airlines
Dec 6
IAD7:34 amWashington, D.C. Dulles Intl
10h 32m
1 stop
SAN3:06 pmSan Diego
Dec 13
SAN2:00 pmSan Diego
5h 05m
IAD10:05 pmWashington, D.C. Dulles Intl
$286
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

mié. 11/12

5:55 pm-8:33 pm

Nonstop5h 38m

San Diego

mié. 11/19

10:20 am-8:51 pm

1 stop7h 31m

$247

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

mié. 12/10

3:23 pm-7:52 pm

1 stop7h 29m

San Diego

mar. 12/16

12:08 pm-10:15 pm

1 stop7h 07m

$252

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

sáb. 11/8

1:00 pm-6:00 pm

1 stop8h 00m

San Diego

sáb. 11/15

10:00 pm-10:24 am

1 stop9h 24m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

sáb. 12/6

7:34 am-4:57 pm

1 stop12h 23m

San Diego

sáb. 12/13

2:00 pm-10:05 pm

Nonstop5h 05m

$261

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

sáb. 11/8

6:24 am-3:16 pm

2 stops11h 52m

San Diego

sáb. 11/15

6:15 am-4:11 pm

1 stop6h 56m

$262

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

lun. 11/10

2:16 pm-7:43 pm

1 stop8h 27m

San Diego

sáb. 11/15

6:15 am-4:11 pm

1 stop6h 56m

$266

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

mar. 11/11

5:40 pm-8:29 pm

Nonstop5h 49m

San Diego

jue. 11/13

6:38 pm-6:23 am

1 stop8h 45m

$274

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

lun. 10/27

10:04 am-6:48 pm

1 stop11h 44m

San Diego

vie. 10/31

12:34 pm-11:55 pm

2 stops32h 21m

$280

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

dom. 11/2

5:40 pm-8:29 pm

Nonstop5h 49m

San Diego

mié. 11/5

9:11 am-5:13 pm

Nonstop5h 02m

$284

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

mié. 10/29

8:47 am-11:50 pm

2 stops18h 03m

San Diego

vie. 10/31

6:41 am-11:29 pm

2 stops13h 48m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is also very affordable. Most momondo users find prices during this month for around $375.

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 $391. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $475. 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 $485.

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 $410 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 $334 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.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to San Diego flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to San Diego.

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

As of October 2025, prices for Washington, D.C. Dulles Intl Airport to San Diego flights are approximately 45% 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

$178

Fastest flight time

5h 15m

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 $178. 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 $307.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Diego takes 5h 15m
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)
Search flight deals

  • 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 38m 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
FrontierPriceFrom $145Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,781 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $231Free CancellationRating
8.0
11,103 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
7,980 reviews
Search Delta 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 4 times per week, with 11,103 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 $231 (round-trip), much lower than the average airfare cost of $360 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 2,781 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 $345, 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
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
San Ysidro
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.

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