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

Wed, Jan 20 - Sun, Jan 24

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

Sat, Jan 23 - Mon, Jan 25

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 15 - Thu, Oct 22

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

2h 25mnonstop

5:00 pm - 7:35 pmSAN San Diego-PDX Portland

2h 35mnonstop

$137Southwest

Sat, Oct 31 - Tue, Nov 3

1:05 pm - 3:30 pmPDX Portland-SAN San Diego

2h 25mnonstop

4:10 pm - 6:45 pmSAN San Diego-PDX Portland

2h 35mnonstop

$137Southwest

Sat, Oct 3 - Mon, Oct 5

12:24 pm - 4:59 pmPDX Portland-SAN San Diego

4h 35m1 stop Las Vegas Harry Reid Intl

8:05 pm - 10:47 pmSAN San Diego-PDX Portland

2h 42mnonstop

$138Multiple Airlines

Sat, Sep 26 - Wed, Sep 30

12:24 pm - 4:59 pmPDX Portland-SAN San Diego

4h 35m1 stop Las Vegas Harry Reid Intl

11:06 am - 1:48 pmSAN San Diego-PDX Portland

2h 42mnonstop

$138Multiple Airlines

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

Mon, Oct 26 - Mon, Nov 2

9:16 pm - 10:11 amSEA Seattle/Tacoma Intl-SAN San Diego

36h 55m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

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

14h 27m1 stop Las Vegas Harry Reid Intl

$143Frontier

Sat, Oct 17 - Sun, Oct 18

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

2h 52mnonstop

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

3h 07mnonstop

$152Delta

Fri, Oct 23 - Sun, Oct 25

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

2h 52mnonstop

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

3h 07mnonstop

$152Delta

Recent last minute flight deals from Washington to San Diego

Wed, Sep 9 - Wed, Sep 30

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

7h 24m1 stop Denver Intl

6:25 am - 3:08 pmSAN San Diego-SEA Seattle/Tacoma Intl

8h 43m1 stop Denver Intl

$229Frontier

Sun, Sep 13 - Fri, Sep 18

9:45 pm - 8:17 pmSEA Seattle/Tacoma Intl-SAN San Diego

22h 32m1 stop Las Vegas Harry Reid Intl

4:54 pm - 3:08 pmSAN San Diego-SEA Seattle/Tacoma Intl

22h 14m1 stop Denver Intl

$280Frontier

Thu, Sep 10 - Fri, Sep 11

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

Fri, Sep 11 - Tue, Sep 15

12:20 pm - 3:00 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

Sat, Sep 12 - Wed, Sep 16

12:24 pm - 4:59 pmPDX Portland-SAN San Diego

4h 35m1 stop Las Vegas Harry Reid Intl

2:17 pm - 4:53 pmSAN San Diego-PDX Portland

2h 36mnonstop

$326Multiple Airlines

Sat, Sep 12 - Sat, Sep 19

12:24 pm - 4:59 pmPDX Portland-SAN San Diego

4h 35m1 stop Las Vegas Harry Reid Intl

4:02 pm - 6:37 pmSAN San Diego-PDX Portland

2h 35mnonstop

$326Multiple Airlines

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

Thu, Sep 10 - Fri, Sep 11

7:03 am - 1:21 pmGEG Spokane-SAN San Diego

6h 18m1 stop Seattle/Tacoma Intl

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

2h 54mnonstop

$329Alaska Airlines

Tue, Sep 8 - Wed, Sep 9

5:00 am - 1:01 pmGEG Spokane-SAN San Diego

8h 01m1 stop Denver Intl

6:30 am - 12:35 pmSAN San Diego-GEG Spokane

6h 05m1 stop Denver Intl

$339United Airlines

Sat, Sep 12 - Sun, Sep 13

1:37 pm - 12:29 amGEG Spokane-SAN San Diego

10h 52m2 stops Denver Intl San Francisco

3:56 pm - 10:41 pmSAN San Diego-GEG Spokane

6h 45m1 stop San Francisco

$344United 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.