Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to San Diego from $55

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 to San Diego departing on 12/11. 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.
Search flight deals

Find the cheapest flights from Washington to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:33 pm - 12:38 pmPAE-SAN
19h 05m1 stop
Frontier Logo
8:00 am - 7:04 pmSAN-PAE
11h 04m1 stop
$110Frontier
Find Deal
Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
9:40 am - 12:30 pmPAE-SAN
2h 50mnonstop
Alaska Airlines Logo
12:50 pm - 4:04 pmSAN-PAE
3h 14mnonstop
$119Alaska Airlines
Find Deal
Tue, Jan 13 - Sat, Jan 17
Frontier Logo
12:45 pm - 2:34 pmPAE-SAN
25h 49m1 stop
Frontier Logo
11:47 am - 12:57 pmSAN-PAE
25h 10m1 stop
$124Frontier
Find Deal
Mon, Jan 5 - Thu, Jan 8
Frontier Logo
1:52 pm - 2:34 pmPAE-SAN
24h 42m1 stop
Frontier Logo
11:47 am - 12:57 pmSAN-PAE
25h 10m1 stop
$138Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
Alaska Airlines Logo
9:40 am - 12:30 pmPAE-SAN
2h 50mnonstop
Alaska Airlines Logo
12:50 pm - 4:04 pmSAN-PAE
3h 14mnonstop
$139Alaska Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
Southwest Logo
5:15 am - 6:35 pmSEA-SAN
13h 20m2 stops
Southwest Logo
5:30 pm - 11:40 pmSAN-SEA
6h 10m1 stop
$150Southwest
Find Deal
Thu, Jan 29 - Sun, Feb 1
Delta Logo
11:19 am - 5:52 pmGEG-SAN
6h 33m1 stop
Delta Logo
6:50 am - 2:57 pmSAN-GEG
8h 07m1 stop
$157Delta
Find Deal
Wed, Feb 18 - Sat, Feb 21
Delta Logo
7:55 pm - 10:45 pmSEA-SAN
2h 50mnonstop
Delta Logo
1:41 pm - 4:53 pmSAN-SEA
3h 12mnonstop
$159Delta
Find Deal
Sun, Dec 14 - Tue, Dec 16
Hawaiian Airlines Logo
5:15 am - 10:07 amBLI-SAN
4h 52m1 stop
Hawaiian Airlines Logo
2:20 pm - 9:20 pmSAN-BLI
7h 00m1 stop
$227Hawaiian Airlines
Find Deal
Sat, Jan 10 - Mon, Jan 12
Hawaiian Airlines Logo
1:03 pm - 3:29 pmBLI-SAN
26h 26m1 stop
Hawaiian Airlines Logo
2:20 pm - 9:20 pmSAN-BLI
7h 00m1 stop
$242Hawaiian Airlines
Find Deal
Fri, Jan 16 - Sat, Jan 24

Delta flights from State of Washington to San Diego

Our best Delta deals on State of Washington to San Diego flight tickets
Delta
Feb 18
GEG11:19 amSpokane
6h 33m
1 stop
SAN5:52 pmSan Diego
Feb 21
SAN6:50 amSan Diego
8h 07m
1 stop
GEG2:57 pmSpokane
$157
Find similar
Delta
Dec 14
SEA7:55 pmSeattle/Tacoma Intl
2h 50m
SAN10:45 pmSan Diego
Dec 16
SAN1:41 pmSan Diego
3h 12m
SEA4:53 pmSeattle/Tacoma Intl
$159
Find similar
Delta
Dec 12
SEA7:10 amSeattle/Tacoma Intl
2h 58m
SAN10:08 amSan Diego
Dec 12
SAN7:07 pmSan Diego
14h 18m
1 stop
SEA9:25 amSeattle/Tacoma Intl
$181
Find similar

American Airlines flights from State of Washington to San Diego

Our best American Airlines deals on State of Washington to San Diego flight tickets
American Airlines
Dec 3
GEG6:35 amSpokane
5h 22m
1 stop
SAN11:57 amSan Diego
Dec 7
SAN6:30 amSan Diego
7h 19m
1 stop
GEG1:49 pmSpokane
$208
Find similar
American Airlines
Nov 28
GEG6:55 amSpokane
2h 53m
SAN9:48 amSan Diego
Dec 8
SAN8:58 pmSan Diego
3h 01m
GEG11:59 pmSpokane
$340
Find similar
American Airlines
Nov 20
GEG6:31 amSpokane
5h 29m
1 stop
SAN12:00 pmSan Diego
Nov 23
SAN4:25 pmSan Diego
6h 44m
1 stop
GEG11:09 pmSpokane
$417
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 November 17, 2025.
Use the filters below to find and compare flights from Washington to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

Thu 2/19

5:33 pm-12:38 pm

1 stop19h 05m

San Diego

Mon 2/23

8:00 am-7:04 pm

1 stop11h 04m

$110

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

Tue 1/13

9:40 am-12:30 pm

Nonstop2h 50m

San Diego

Sat 1/17

12:50 pm-4:04 pm

Nonstop3h 14m

$119

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

Mon 1/5

12:45 pm-2:34 pm

1 stop25h 49m

San Diego

Thu 1/8

11:47 am-12:57 pm

1 stop25h 10m

$124

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

Fri 1/9

1:52 pm-2:34 pm

1 stop24h 42m

San Diego

Sun 1/11

11:47 am-12:57 pm

1 stop25h 10m

$138

EverettSan Diego

PAE - SAN

PAESAN

Everett Paine Field

Wed 1/21

9:40 am-12:30 pm

Nonstop2h 50m

San Diego

Sat 1/24

12:50 pm-4:04 pm

Nonstop3h 14m

$139

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Thu 1/29

5:15 am-6:35 pm

2 stops13h 20m

San Diego

Sun 2/1

5:30 pm-11:40 pm

1 stop6h 10m

$150

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Wed 2/18

11:19 am-5:52 pm

1 stop6h 33m

San Diego

Sat 2/21

6:50 am-2:57 pm

1 stop8h 07m

$157

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sun 12/14

7:55 pm-10:45 pm

Nonstop2h 50m

San Diego

Tue 12/16

1:41 pm-4:53 pm

Nonstop3h 12m

$159

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Sat 1/10

5:15 am-10:07 am

1 stop4h 52m

San Diego

Mon 1/12

2:20 pm-9:20 pm

1 stop7h 00m

$227

BellinghamSan Diego

BLI - SAN

BLISAN

Bellingham

Fri 1/16

1:03 pm-3:29 pm

1 stop26h 26m

San Diego

Sat 1/24

2:20 pm-9:20 pm

1 stop7h 00m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from State of Washington 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 State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $221.

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

The cheapest day to depart from State of Washington 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 $256. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $331. 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 $274. Flights at noon are often more expensive with an average ticket price of $356.

What is the cheapest Washington to San Diego flight route?

Fly from Seattle/Tacoma Intl to San Diego for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $272 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from State of Washington for as low as $225 on momondo.

What cabin class options are available on Washington to San Diego flights?

There are 4 cabin classes available to choose from on Washington 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 State of Washington to San Diego flights?

No. A direct flight is the cheapest option for a flight between State of Washington to San Diego.

Cheap State of Washington to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to San Diego

Best Price Found

$138

Fastest flight time

2h 20m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from State of Washington in the past 72 hours is $138. The best round-trip flight deal from State of Washington to San Diego found on momondo in the last 72 hours is $167.
The fastest flight from State of Washington to San Diego takes 2h 20m
Direct flights go from State of Washington to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • When did momondo last update prices for flights from Washington to San Diego Airport?

    Prices for flights from Washington to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Washington to San Diego Airport?

  • How old do you have to be to fly from Washington 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 to San Diego Airport.

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

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from State of Washington to San Diego?

Best airlines flying from State of Washington to San Diego

Compare and see reviews for airlines that fly from State of Washington to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $71Free CancellationRating
6.3
8,144 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $100Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
FrontierPriceFrom $104Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $119Free CancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $132Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Alaska AirlinesPriceFrom $147Free CancellationRating
8.0
11,311 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $156Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
United AirlinesPriceFrom $207Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights

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
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Washington to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to San Diego for you.

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

Yes. All flights to San Diego from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to San Diego?

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

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

Yes. momondo can track prices for Washington to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/17
Wed 12/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States