SEA - SAN

£71 Find Cheap Flights from Seattle to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to San Diego departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San Diego, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Seattle to San Diego (SEA-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to San Diego

Wed, 3 Dec - Tue, 9 Dec
United Airlines Logo
15:45 - 22:30SEA-SAN
6h 45m1 stop
United Airlines Logo
16:08 - 21:00SAN-SEA
4h 52m1 stop
£130United Airlines
Find Deal
Tue, 9 Dec - Mon, 15 Dec
United Airlines Logo
08:40 - 17:34SEA-SAN
8h 54m1 stop
United Airlines Logo
20:00 - 00:50SAN-SEA
4h 50m1 stop
£134United Airlines
Find Deal
Wed, 28 Jan - Wed, 4 Feb
Southwest Logo
13:20 - 18:05SEA-SAN
4h 45m1 stop
Southwest Logo
13:00 - 20:20SAN-SEA
7h 20m2 stops
£135Southwest
Find Deal
Tue, 9 Dec - Mon, 15 Dec
Southwest Logo
08:10 - 15:20SEA-SAN
7h 10m2 stops
Southwest Logo
06:30 - 11:35SAN-SEA
5h 05m1 stop
£138Southwest
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Alaska Airlines Logo
07:10 - 16:12SEA-SAN
9h 02m1 stop
Alaska Airlines Logo
06:15 - 14:38SAN-SEA
8h 23m1 stop
£138Alaska Airlines
Find Deal
Sat, 13 Dec - Tue, 16 Dec
Alaska Airlines Logo
20:31 - 08:39SEA-SAN
12h 08m1 stop
Alaska Airlines Logo
06:15 - 14:38SAN-SEA
8h 23m1 stop
£139Alaska Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Alaska Airlines Logo
12:08 - 15:06SEA-SAN
2h 58mdirect
Alaska Airlines Logo
21:24 - 00:41SAN-SEA
3h 17mdirect
£141Alaska Airlines
Find Deal
Sun, 23 Nov - Tue, 2 Dec
Delta Logo
07:10 - 10:06SEA-SAN
2h 56mdirect
Delta Logo
06:30 - 09:50SAN-SEA
3h 20mdirect
£141Delta
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Delta Logo
19:55 - 22:45SEA-SAN
2h 50mdirect
Delta Logo
13:41 - 16:53SAN-SEA
3h 12mdirect
£160Delta
Find Deal
Tue, 10 Mar - Wed, 11 Mar
Hawaiian Airlines Logo
11:20 - 16:27SEA-SAN
5h 07m1 stop
Hawaiian Airlines Logo
12:30 - 17:21SAN-SEA
4h 51m1 stop
£164Hawaiian Airlines
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
Delta's free Wi-Fi benefits SkyMiles members.
Alaska's 20-minute baggage guarantee ensures quick retrieval.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 26% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£130
Overall average: £262
United Airlines
Wed 3/12Tue 9/12
SEA - SAN • 1 stop
Cheapest direct flights
£134
Typical prices: £162-£358
Alaska Airlines
Tue 9/12Sat 13/12
SEA - SAN • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Diego!
Booking Insights

KAYAK's insights & trends for Seattle to San Diego flights

Get data-powered insights and trends into flights from Seattle to San Diego to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to San Diego?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to San Diego is September, where tickets cost £153 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is £262 and £228 respectively.

Can I save money by flying with a stopover from Seattle to San Diego?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £101 on average.

How far in advance should I book a flight from Seattle to San Diego?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to San Diego, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to San Diego, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Expert advice

Expert advice for your flight from Seattle to San Diego

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Alaska Airlines

Alaska's 20-minute baggage guarantee ensures quick luggage retrieval or bonus miles for delays.


Alaska's Premium Class offers priority boarding and complimentary drinks on flights over 350 miles.

Delta

Delta's free Wi-Fi for SkyMiles members enhances connectivity on domestic flights.


Delta's Comfort Plus seats offer up to 8 cm extra legroom for added comfort.

Read more about Deltaby Stefanie Waldek
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more

Good to know - Cheap tickets from Seattle to San Diego

Low seasonSeptember
Cheapest flight£71
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly (11% more expensive on average)
Flight from Seattle to San Diego

When to book flights from Seattle to San Diego

Are your dates flexible? Find out the best times to travel from Seattle to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to San Diego

  • What are some good hotels near San Diego International Airport?

    The Hilton is a stylish hotel that is less than a 15-minute drive from Balboa Park and a 16-minute drive from San Diego International Airport. The Sheraton San Diego Hotel is a modern option that is a 15-minute drive from the USS Midway Museum and a 14-minute drive from the airport.

  • Is there anywhere to smoke at San Diego International Airport?

    At this time, there are no indoor smoking rooms in the terminals of San Diego International Airport. However, there are some designated outdoor smoking zones that are placed outside of the doors of the Arrivals terminal and which are clearly marked by official airport signs.

  • What is there to do at Seattle-Tacoma International Airport?

    If you are an art enthusiast, make sure to check out the contemporary collection from SeaTac that can be found in the main terminal of Seattle-Tacoma International Airport. If you would prefer to watch a movie or TV show, head to a Digiboo self-service kiosk to rent some digital content before boarding your flight.

  • What shopping options are there at Seattle-Tacoma International Airport?

    To purchase some gifts or souvenirs, browse through the various shops that are located in Seattle-Tacoma International Airport. Chalo Seattle is a local boutique that offers a variety of regional products, while Affordable Luxuries sells clothing and accessories. There are also several Hudson News locations, in case you need to pick up any last-minute travel essentials.

  • What is the cheapest flight from Seattle to San Diego?

    In the last 3 days, the lowest price for a flight from Seattle to San Diego was £71 for a one-way ticket and £130 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to San Diego?

    Alaska Airlines, Delta, Hawaiian Airlines, Aeromexico, and JetBlue offer inflight Wi-Fi service on the Seattle to San Diego flight route.

  • Which aircraft models fly most regularly from Seattle to San Diego?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Seattle to San Diego flight route.

  • On which days can I fly direct from Seattle to San Diego?

    There are direct flights from Seattle to San Diego on a daily basis.

  • How does KAYAK find such low prices on flights from Seattle 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 Seattle to San Diego.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Seattle 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 Seattle to San Diego?

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

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle 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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to San Diego

  • Looking for a cheap flight from San Diego to Seattle? 25% of our users found flights on this route for £247 or less round-trip.
  • An easy way to make your day of traveling as quick and simple as possible is to specifically search for direct flights from Seattle to San Diego. Companies such as Delta, Alaska, and United Airlines offer many daily flights between these two locations, as well as additional perks like in-flight entertainment and free snacks.
  • If you find traveling to be stressful, consider getting a massage to help you relax before your flight from Seattle to San Diego starts boarding. The Massage Bar is located near the N Gates of Seattle-Tacoma International Airport and offers a variety of different services, making it a convenient place to go in order to be pampered.
  • For those interested in freshening up after landing at San Diego International Airport, purchase an access pass for the Airspace Lounge. In addition to providing guests with private showers, towels, and toiletries, this lounge also has unlimited drinks and snacks, high-speed WiFi, and several televisions.
  • Seattle-Tacoma International Airport is home to Experience the City of Music, a program that coordinates daily live music performances throughout the airport’s Departures terminals between the hours of 9 am and 3 pm. Make sure to check the program’s event calendar to see if you will have the opportunity to catch a show before boarding your flight.
  • To refuel after a day of traveling, grab a bite to eat from one of the several restaurants in San Diego International Airport. The Bankers Hill Bar & Restaurant is an American-style choice that is located in Terminal 1, while the PGA TOUR Grill serves healthy entrees and is found in Terminal 2.

Prefer to fly direct from Seattle to San Diego?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to San Diego.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to San Diego

Monday

Alaska Airlines, Delta

Alaska Airlines, Delta

Tuesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Wednesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Thursday

Alaska Airlines, Delta

Alaska Airlines, Delta

Friday

Alaska Airlines, Delta

Alaska Airlines, Delta

Saturday

Alaska Airlines, Delta

Alaska Airlines, Delta

Sunday

Alaska Airlines, Delta

Alaska Airlines, Delta

See more direct flights

Direct returns

San Diego to Seattle/Tacoma Intl

Monday

Alaska Airlines, Delta

Alaska Airlines, Delta

Tuesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Wednesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Thursday

Alaska Airlines, Delta

Alaska Airlines, Delta

Friday

Alaska Airlines, Delta

Alaska Airlines, Delta

Saturday

Alaska Airlines, Delta

Alaska Airlines, Delta

Sunday

Alaska Airlines, Delta

Alaska Airlines, Delta

See more direct flights

Everything you need to know for your flight from Seattle to San Diego

Information on your arrival and departure airports

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