How does KAYAK find such low prices on flights from Washington to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$78 CHEAP FLIGHTS from Washington to San Diego

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Flight Deals

Cheap Flights from Washington to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to San Diego

Tue, Oct 20 - Tue, Oct 27

4:54 pm - 7:43 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 49mnonstop

5:20 pm - 8:26 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 06mnonstop

$137Alaska Airlines

Sat, Oct 24 - Sat, Oct 31

4:54 pm - 7:43 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 49mnonstop

6:15 am - 9:28 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 13mnonstop

$140Alaska Airlines

Tue, Oct 20 - Thu, Oct 22

4:27 pm - 11:56 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 29m1 stop Denver Intl

4:53 pm - 3:12 pmSAN San Diego-SEA Seattle/Tacoma Intl

22h 19m1 stop Denver Intl

$156Frontier

Tue, Oct 20 - Mon, Oct 26

4:27 pm - 11:56 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 29m1 stop Denver Intl

8:34 pm - 10:59 amSAN San Diego-SEA Seattle/Tacoma Intl

14h 25m1 stop Las Vegas Harry Reid Intl

$156Frontier

Tue, Oct 27 - Sat, Oct 31

7:59 pm - 10:51 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 52mnonstop

3:59 pm - 7:05 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 06mnonstop

$156Delta

Sat, Oct 24 - Tue, Oct 27

12:07 pm - 3:04 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 57mnonstop

1:53 pm - 5:00 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 07mnonstop

$157Delta

Wed, Oct 21 - Mon, Oct 26

7:30 am - 10:25 amSEA Seattle/Tacoma Intl-SAN San Diego

2h 55mnonstop

7:25 am - 10:30 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 05mnonstop

$157Southwest

Thu, Oct 22 - Mon, Oct 26

7:40 am - 10:35 amSEA Seattle/Tacoma Intl-SAN San Diego

2h 55mnonstop

7:25 am - 10:30 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 05mnonstop

$157Southwest

Thu, Feb 4 - Tue, Feb 9

6:00 am - 12:14 pmSEA Seattle/Tacoma Intl-SAN San Diego

6h 14m1 stop Phoenix Sky Harbor Intl

6:20 am - 2:52 pmSAN San Diego-SEA Seattle/Tacoma Intl

8h 32m1 stop Phoenix Sky Harbor Intl

$177American Airlines

Tue, Oct 20 - Wed, Oct 21

6:00 am - 12:18 pmSEA Seattle/Tacoma Intl-SAN San Diego

6h 18m1 stop Phoenix Sky Harbor Intl

1:08 pm - 8:53 pmSAN San Diego-SEA Seattle/Tacoma Intl

7h 45m1 stop Phoenix Sky Harbor Intl

$177American Airlines

Recent last minute flight deals from Washington to San Diego

Fri, Oct 2 - Fri, Oct 16

4:19 pm - 11:47 pmGEG Spokane-SAN San Diego

7h 28m1 stop Los Angeles

3:59 pm - 9:10 pmSAN San Diego-GEG Spokane

5h 11m1 stop Seattle/Tacoma Intl

$296Delta

Fri, Oct 2 - Fri, Oct 16

12:15 pm - 3:00 pmGEG Spokane-SAN San Diego

2h 45mnonstop

11:15 am - 2:05 pmSAN San Diego-GEG Spokane

2h 50mnonstop

$306Southwest

Fri, Oct 2 - Fri, Oct 16

6:32 pm - 11:44 pmGEG Spokane-SAN San Diego

5h 12m1 stop Seattle/Tacoma Intl

7:59 pm - 10:50 pmSAN San Diego-GEG Spokane

2h 51mnonstop

$316Alaska Airlines

Fri, Oct 2 - Fri, Oct 16

5:00 am - 12:05 pmGEG Spokane-SAN San Diego

7h 05m2 stops Las Vegas Harry Reid Intl Santa Barbara

9:30 am - 1:50 pmSAN San Diego-GEG Spokane

4h 20m1 stop San Jose

$331Southwest

Wed, Sep 30 - Fri, Oct 2

6:00 am - 8:59 amGEG Spokane-SAN San Diego

2h 59mnonstop

8:59 pm - 11:49 pmSAN San Diego-GEG Spokane

2h 50mnonstop

$339Alaska Airlines

Sat, Oct 3 - Mon, Oct 5

6:30 am - 12:03 pmGEG Spokane-SAN San Diego

5h 33m1 stop Phoenix Sky Harbor Intl

4:29 pm - 11:01 pmSAN San Diego-GEG Spokane

6h 32m1 stop Phoenix Sky Harbor Intl

$351American Airlines

Fri, Oct 2 - Mon, Oct 5

4:08 pm - 10:27 pmGEG Spokane-SAN San Diego

6h 19m1 stop Denver Intl

3:56 pm - 9:06 pmSAN San Diego-GEG Spokane

5h 10m1 stop San Francisco

$359United Airlines

Thu, Oct 1 - Mon, Oct 5

9:23 am - 3:27 pmGEG Spokane-SAN San Diego

6h 04m1 stop Seattle/Tacoma Intl

5:01 pm - 11:29 pmSAN San Diego-GEG Spokane

6h 28m1 stop Salt Lake City

$359Delta

Tue, Sep 29 - Wed, Sep 30

5:05 am - 6:35 pmPSC Pasco Tri Cities-SAN San Diego

13h 30m2 stops Denver Intl San Francisco

12:37 pm - 8:40 pmSAN San Diego-PSC Pasco Tri Cities

8h 03m1 stop Denver Intl

$458United Airlines

Sat, Oct 3 - Tue, Oct 13

6:00 am - 12:03 pmSEA Seattle/Tacoma Intl-SAN San Diego

6h 03m1 stop Phoenix Sky Harbor Intl

1:08 pm - 8:53 pmSAN San Diego-SEA Seattle/Tacoma Intl

7h 45m1 stop Phoenix Sky Harbor Intl

$459American Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$78

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 4% increase in price.

Flight from Seattle to San Diego

How does KAYAK find such low prices on flights from Washington to San Diego?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to San Diego?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.