SAN - SEA

C$ 87 Find Cheap Flights from San Diego to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Seattle departing on 21/5. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Seattle 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.

Recent round-trip flight deals from San Diego to Seattle

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to Seattle.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Alaska Airlines Logo
3:45 p.m. - 6:51 p.m.SAN-SEA
3h 06mdirect
Alaska Airlines Logo
9:15 p.m. - 11:59 p.m.SEA-SAN
2h 44mdirect
C$ 209Alaska Airlines
Find Deal
Thu, 29 May - Thu, 29 May
Alaska Airlines Logo
4:59 p.m. - 8:00 p.m.SAN-SEA
3h 01mdirect
Alaska Airlines Logo
7:59 p.m. - 10:55 p.m.SEA-SAN
2h 56mdirect
C$ 217Alaska Airlines
Find Deal
Thu, 5 Jun - Thu, 12 Jun
Hawaiian Airlines Logo
6:15 a.m. - 9:24 a.m.SAN-SEA
3h 09mdirect
Hawaiian Airlines Logo
7:59 p.m. - 10:44 p.m.SEA-SAN
2h 45mdirect
C$ 236Hawaiian Airlines
Find Deal
Fri, 30 May - Fri, 30 May
Southwest Logo
8:05 p.m. - 1:15 a.m.SAN-SEA
5h 10m1 stop
Southwest Logo
5:15 a.m. - 10:35 a.m.SEA-SAN
5h 20m1 stop
C$ 238Southwest
Find Deal
Tue, 10 Jun - Sat, 14 Jun
Delta Logo
7:15 p.m. - 10:25 p.m.SAN-SEA
3h 10mdirect
Delta Logo
11:30 a.m. - 2:22 p.m.SEA-SAN
2h 52mdirect
C$ 245Delta
Find Deal
Fri, 23 May - Sun, 25 May
United Airlines Logo
2:30 p.m. - 9:31 p.m.SAN-SEA
7h 01m2 stops
United Airlines Logo
5:14 p.m. - 11:41 p.m.SEA-SAN
6h 27m1 stop
C$ 252United Airlines
Find Deal
Tue, 20 May - Tue, 27 May
Delta Logo
7:20 a.m. - 10:36 a.m.SAN-SEA
3h 16mdirect
Delta Logo
11:30 a.m. - 2:22 p.m.SEA-SAN
2h 52mdirect
C$ 314Delta
Find Deal
Mon, 19 May - Tue, 27 May
United Airlines Logo
6:15 a.m. - 11:55 a.m.SAN-SEA
5h 40m1 stop
United Airlines Logo
5:14 p.m. - 11:36 p.m.SEA-SAN
6h 22m1 stop
C$ 317United Airlines
Find Deal
Wed, 1 Oct - Wed, 1 Oct
Hawaiian Airlines Logo
6:33 a.m. - 11:18 a.m.SAN-SEA
4h 45m1 stop
Hawaiian Airlines Logo
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
C$ 377Hawaiian Airlines
Find Deal
Sat, 10 May - Sun, 18 May
Southwest Logo
2:05 p.m. - 9:30 p.m.SAN-SEA
7h 25m2 stops
Southwest Logo
1:30 p.m. - 6:05 p.m.SEA-SAN
4h 35m1 stop
C$ 419Southwest
Find Deal
Sat, 23 Aug - Sat, 30 Aug

Expert advice for your flight from San Diego to Seattle

 
Snippets provided in this section are AI-generated based on a summarization 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 specific 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 Airlines offers a 20-minute baggage guarantee for efficient luggage retrieval.


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

Delta

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


Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing connectivity.

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, USA TODAY, 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 on the sea, likely en route to Antarctica or the Arctic.

Read more

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

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

What’s the cheapest day of the week to fly from San Diego to Seattle?

The average price of all round-trip flights from San Diego to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from San Diego to Seattle, look for departures on Wednesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Seattle, Tuesday is the cheapest day to fly and Saturday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Seattle, 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 San Diego to Seattle is January, where tickets cost C$ 223 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is C$ 409 and C$ 383 respectively.

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

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of C$ 466, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Diego to Seattle, 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 San Diego to Seattle, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Good to know

Low season

January

High season

July

Cheapest flight

C$ 87
Best time to beat the crowds (32% less expensive on average)
Most popular time to fly (25% more expensive on average)
Flight from San Diego to Seattle

When to book flights from San Diego to Seattle

Are your dates flexible? Find out the best times to travel from San Diego to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

Flights from San Diego to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from San Diego to Seattle 
crd041678Flew with Alaska AirlinesSAN-SEAApr 2024
Arrive early. May want to pay for the upgrade to a better seat. Early boarding is best.
Verified travelerFlew with Alaska AirlinesSAN-SEAMar 2024
I've always had a good experience with Alaska. I also liked Delta.

FAQs for booking flights from San Diego to Seattle

  • Are the lounges at the San Diego airport free?

    Not all lounges at the San Diego airport are free of charge to access. There is a main lounge at the airport that is free to access, but you will have to pay some extra cash for meals. Free Wi-Fi is available in all the lounges. Paid lounges include Alaska lounge, Delta lounge, and the Star Brass lounges, which charge an approximate fee of $1.59.

  • Are there charging stations at Seattle Airport?

    Yes, there are charging stations in most parts of the airport. You can purchase a power bank at the charging stations for approximately $15.90. You can charge your mobile devices using the seat power outlets found at the gate waiting bays.

  • Are there any hotels near the San Diego airport?

    Many hotels are available near the San Diego airport, including the Courtyard hotel, located approximately 1 mile away, which charges around $150 per night. The Wyndham hotel charges around $80 per night and is approximately 2 miles from the airport.

  • Is there free Wi-Fi at Seattle Airport?

    Yes, free Wi-Fi is available throughout the terminals. The signal strength will vary depending on the Terminal.

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

    In the last 3 days, the lowest price for a flight from San Diego to Seattle was C$ 63 for a one-way ticket and C$ 151 for a round-trip.

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

    All the following airlines offer inflight Wi-Fi service on the San Diego to Seattle flight route: Alaska Airlines, Hawaiian Airlines, Delta, Air Canada, American Airlines, United Airlines, and JetBlue.

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

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

  • Which airline alliances offer flights from San Diego to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Diego and Seattle, with SkyTeam being the most commonly used for this route.

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

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

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

    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 San Diego to Seattle.

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

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

    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 Seattle with an airline and back to San Diego with another airline.

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

    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 Seattle from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 197 or less one-way.
  • San Diego airport, also known as Lindbergh Airport, is approximately 3 miles northwest of San Diego downtown, California. This airport is managed and operated by the San Diego county airport authority. The airport offers domestic and international flights.
  • The San Diego airport has a wide selection of parking lots: terminal 1 parking lots, terminal 2 parking lots, the parking plaza, curbside valet parking, long-term parking, and cellphone parking lots. For the first 10min, parking is free. You will have to pay approximately $1.59 for any extra 30min of parking. You will have to pay approximately $15.90 per day for the long-term parking lot and approximately $31.76 for the valet parking option.
  • It is easy to maneuver in and out of Seattle Airport due to the numerous transport options available. You can board the Seattle Streetcars, which will connect you to nearby cities. The fare is approximately $1.99 for an adult passenger. You can also reserve a bike before your arrival. The bikes have a maximum speed of 15mph, and you will only have to part with approximately $0.07 per ride minute. Rental cars and limousine transportation services are also available upon reservation.
  • San Diego has two main terminals, namely terminals 1 and 2. Terminal 1 is strictly reserved for domestic flights, while Terminal 2 is for international flights. Terminal 1 has two levels: ground floor level and mezzanine level. Lounges are located at the mezzanine level, while transportation service, check-in, and check-out areas are accessible from the ground floor level. Terminal 2 is divided into the ground floor level and the second level. Arrivals and departure areas are found on the ground floor, whereas all basic and social services are found on the second level.
  • Seattle Airport has nursing amenities to cater to young children and their parents. The nursing suites have comfortable seats, changing tables, sinks, and other amenities and are close to the Alaska lounge on the Mezzanine level. Nursing pods are also available for single use. You should ensure you carry all your belongings after leaving and that you don't exceed the allocated time.
See more tips

Prefer to fly direct from San Diego to Seattle?

Find which airlines fly direct from San Diego Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

San Diego to Seattle/Tacoma Intl

Monday

Air France,Air Tahiti Nui,Alaska Airlines, +16 more

Air France,Air Tahiti Nui, +17 more

Tuesday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Wednesday

Air France,Air Tahiti Nui,Alaska Airlines, +16 more

Air France,Air Tahiti Nui, +17 more

Thursday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Friday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Saturday

Air France,Air Tahiti Nui,Alaska Airlines, +16 more

Air France,Air Tahiti Nui, +17 more

Sunday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to San Diego

Monday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Tuesday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Wednesday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Thursday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Friday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Saturday

Air Tahiti Nui,Alaska Airlines,American Airlines, +15 more

Air Tahiti Nui,Alaska Airlines, +16 more

Sunday

Air France,Air Tahiti Nui,Alaska Airlines, +16 more

Air France,Air Tahiti Nui, +17 more

See more nonstop flights
See more nonstop flights

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

Information on your arrival and departure airports

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