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.

$69 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

Sun, Jan 31 - Sun, Feb 7

9:00 am - 11:55 amPAE Everett Paine Field-SAN San Diego

2h 55mnonstop

5:50 pm - 9:06 pmSAN San Diego-PAE Everett Paine Field

3h 16mnonstop

$97Alaska Airlines

Wed, Jan 27 - Thu, Feb 4

9:00 am - 11:55 amPAE Everett Paine Field-SAN San Diego

2h 55mnonstop

5:50 pm - 9:06 pmSAN San Diego-PAE Everett Paine Field

3h 16mnonstop

$97Alaska Airlines

Thu, Oct 1 - Sat, Oct 10

8:00 am - 10:25 amPDX Portland-SAN San Diego

2h 25mnonstop

4:55 pm - 7:35 pmSAN San Diego-PDX Portland

2h 40mnonstop

$137Southwest

Sat, Oct 24 - Sat, Oct 31

8:00 am - 10:25 amPDX Portland-SAN San Diego

2h 25mnonstop

4:25 pm - 7:00 pmSAN San Diego-PDX Portland

2h 35mnonstop

$137Southwest

Mon, Nov 9 - Thu, Nov 12

12:31 pm - 7:47 pmPDX Portland-SAN San Diego

7h 16m1 stop Las Vegas Harry Reid Intl

7:00 am - 9:43 amSAN San Diego-PDX Portland

2h 43mnonstop

$138Multiple Airlines

Tue, Oct 6 - Sat, Oct 10

10:57 am - 4:59 pmSEA Seattle/Tacoma Intl-SAN San Diego

6h 02m1 stop Las Vegas Harry Reid Intl

3:14 pm - 9:25 pmSAN San Diego-SEA Seattle/Tacoma Intl

6h 11m1 stop San Francisco

$139Multiple Airlines

Sat, Nov 7 - Thu, Nov 12

4:27 pm - 11:57 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 30m1 stop Denver Intl

8:32 pm - 9:45 amSAN San Diego-SEA Seattle/Tacoma Intl

13h 13m1 stop Las Vegas Harry Reid Intl

$140Frontier

Wed, Nov 4 - Mon, Nov 9

4:27 pm - 11:57 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 30m1 stop Denver Intl

8:32 pm - 10:59 amSAN San Diego-SEA Seattle/Tacoma Intl

14h 27m1 stop Las Vegas Harry Reid Intl

$142Frontier

Wed, Nov 4 - Mon, Nov 9

9:59 am - 12:58 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 59mnonstop

7:20 am - 10:38 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 18mnonstop

$148Delta

Thu, Nov 5 - Mon, Nov 9

7:15 am - 10:07 amSEA Seattle/Tacoma Intl-SAN San Diego

2h 52mnonstop

7:20 am - 10:38 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 18mnonstop

$148Delta

Recent last minute flight deals from Washington to San Diego

Fri, Sep 11 - Wed, Oct 14

9:45 pm - 4:59 pmSEA Seattle/Tacoma Intl-SAN San Diego

19h 14m1 stop Las Vegas Harry Reid Intl

6:25 am - 3:12 pmSAN San Diego-SEA Seattle/Tacoma Intl

8h 47m1 stop Denver Intl

$239Frontier

Fri, Sep 11 - Wed, Oct 14

4:27 pm - 11:51 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 24m1 stop Denver Intl

3:14 pm - 6:45 pmSAN San Diego-SEA Seattle/Tacoma Intl

27h 31m2 stops San Francisco Los Angeles Los Angeles

$248Frontier

Fri, Sep 11 - Wed, Oct 14

4:27 pm - 11:51 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 24m1 stop Denver Intl

7:27 pm - 10:33 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 06mnonstop

$269Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

12:20 pm - 3:00 pmGEG Spokane-SAN San Diego

2h 40mnonstop

2:15 pm - 4:55 pmSAN San Diego-GEG Spokane

2h 40mnonstop

$319Southwest

Sat, Sep 12 - Tue, Sep 15

2:15 pm - 4:55 pmGEG Spokane-SAN San Diego

2h 40mnonstop

7:05 am - 11:50 amSAN San Diego-GEG Spokane

4h 45m1 stop Las Vegas Harry Reid Intl

$325Southwest

Fri, Sep 11 - Mon, Sep 14

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

5h 12m1 stop Seattle/Tacoma Intl

8:59 pm - 11:53 pmSAN San Diego-GEG Spokane

2h 54mnonstop

$327Alaska Airlines

Sat, Sep 12 - Tue, Sep 15

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

2h 59mnonstop

8:59 pm - 11:53 pmSAN San Diego-GEG Spokane

2h 54mnonstop

$328Alaska Airlines

Wed, Sep 16 - Tue, Sep 29

4:27 pm - 11:51 pmSEA Seattle/Tacoma Intl-SAN San Diego

7h 24m1 stop Denver Intl

7:15 am - 10:25 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 10mnonstop

$328Multiple Airlines

Wed, Sep 16 - Fri, Sep 18

4:07 pm - 10:28 pmPDX Portland-SAN San Diego

6h 21m1 stop Denver Intl

6:28 pm - 12:37 amSAN San Diego-PDX Portland

6h 09m1 stop San Francisco

$387United Airlines

Wed, Sep 16 - Fri, Sep 18

3:40 pm - 10:47 pmPDX Portland-SAN San Diego

7h 07m1 stop San Francisco

3:56 pm - 10:45 pmSAN San Diego-PDX Portland

6h 49m1 stop San Francisco

$387United Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$69

Best time to beat the crowds with an average 15% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Portland 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.