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Find cheap flights from San Diego to Seattle from C$ 110

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.
1 adult
0 bags
Fri 31/5
Fri 7/6

Search 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
In the last 7 days, travellers have searched 44,052,950 times on KAYAK, and here is why:

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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.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
2:56 p.m. - 8:09 p.m.SAN-SEA
5h 13m1 stop
9:41 p.m. - 8:34 a.m.SEA-SAN
10h 53m1 stop
C$ 214Spirit Airlines
Find Deal
Thu, 13 Jun - Tue, 18 Jun
8:21 a.m. - 8:40 a.m.SAN-SEA
24h 19m1 stop
9:49 a.m. - 8:29 p.m.SEA-SAN
10h 40m1 stop
C$ 252
Find Deal
Thu, 20 Jun - Tue, 25 Jun
8:00 a.m. - 11:00 a.m.SAN-SEA
3h 00mdirect
6:51 p.m. - 9:37 p.m.SEA-SAN
2h 46mdirect
C$ 257Alaska Airlines
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Wed, 29 May - Wed, 5 Jun
5:30 p.m. - 8:33 p.m.SAN-SEA
3h 03mdirect
7:25 a.m. - 10:11 a.m.SEA-SAN
2h 46mdirect
C$ 270Delta
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Sat, 25 May - Tue, 28 May
12:50 p.m. - 3:54 p.m.SAN-SEA
3h 04mdirect
6:00 a.m. - 8:47 a.m.SEA-SAN
2h 47mdirect
C$ 277Alaska Airlines
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Wed, 22 May - Sun, 26 May
8:50 p.m. - 11:44 p.m.SAN-SEA
2h 54mdirect
9:41 p.m. - 10:02 a.m.SEA-SAN
12h 21m1 stop
C$ 283
Find Deal
Thu, 13 Jun - Tue, 18 Jun
8:16 p.m. - 8:32 a.m.SAN-SEA
12h 16m1 stop
9:49 a.m. - 1:33 p.m.SEA-SAN
27h 44m2 stops
C$ 284Spirit Airlines
Find Deal
Thu, 13 Jun - Tue, 18 Jun
5:30 p.m. - 8:33 p.m.SAN-SEA
3h 03mdirect
9:55 a.m. - 12:48 p.m.SEA-SAN
2h 53mdirect
C$ 291Delta
Find Deal
Sat, 25 May - Mon, 27 May
11:01 a.m. - 10:00 p.m.SAN-SEA
10h 59m2 stops
7:00 a.m. - 12:41 p.m.SEA-SAN
5h 41m1 stop
C$ 509United Airlines
Find Deal
Sat, 28 Sep - Mon, 7 Oct
11:01 a.m. - 10:00 p.m.SAN-SEA
10h 59m2 stops
4:58 p.m. - 11:44 p.m.SEA-SAN
6h 46m1 stop
C$ 523United Airlines
Find Deal
Sat, 28 Sep - Mon, 7 Oct

Flights from San Diego to Seattle - Travel Insights & Trends

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 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 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$ 230 on average. On the other hand, the most expensive months are July and December, where the average cost of tickets is C$ 381 and C$ 380 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for 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 month.
To get a below average price on the flight from San Diego to Seattle, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 50 days before departure.

Which airlines provide the cheapest flights from San Diego to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from San Diego to Seattle found by KAYAK users in the last 72 hours was for C$ 214 on Spirit Airlines, followed by Alaska Airlines (C$ 257). One-way flight deals have also been found from as low as C$ 110 on Spirit Airlines and from C$ 129 on Alaska Airlines.

How many flights are there between San Diego and Seattle per day?

Each day, there are between 15 and 17 nonstop flights that take off from San Diego and land in Seattle, with an average flight time of 3h 02m. The most common departure time is 6:00 p.m. and most flights take off in the morning. Each week, there are 107 flights. The most frequent day of departure is Sunday, when 16% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between San Diego and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from San Diego to Seattle take?

The duration of a direct flight to Seattle from San Diego is typically 2h 54m. The journey crosses a distance of 2,721 km.

What’s the earliest departure time from San Diego to Seattle?

Early birds can take the earliest flight from San Diego at 6:15 am and will be landing in Seattle at 9:18 am.

What’s the latest departure time from San Diego to Seattle?

If you prefer to fly at night, the latest flight from San Diego to Seattle jets off at 8:20 pm and lands at 11:20 pm.

Good to know

Low season

January

High season

July

Cheapest flight

C$ 110
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly (19% 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.

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$ 80 for a one-way ticket and C$ 156 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, Delta, Air Canada, Finnair, JetBlue, Japan Airlines, Lufthansa, American Airlines, and United Airlines.

  • 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 oneworld 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

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$ 236 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 non-stop from San Diego to Seattle?

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

Nonstop departures

San Diego to Seattle/Tacoma Intl

Monday

Air Tahiti Nui, Alaska Airlines, American Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Tuesday

Air Tahiti Nui, Alaska Airlines, American Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Wednesday

Air Tahiti Nui, Alaska Airlines, American Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Thursday

Air Tahiti Nui, Alaska Airlines, American Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Friday

Air Tahiti Nui, Alaska Airlines, American Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Saturday

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

Air Tahiti Nui, Alaska Airlines, +14 more

Sunday

Air Tahiti Nui, Alaska Airlines, American Airlines, +11 more

Air Tahiti Nui, Alaska Airlines, +12 more

See more nonstop flights

Nonstop returns

Seattle/Tacoma Intl to San Diego

Monday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 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, +11 more

Air France, Air Tahiti Nui, +12 more

Thursday

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

Air France, Air Tahiti Nui, +14 more

Friday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Saturday

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

Air France, Air Tahiti Nui, +14 more

Sunday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

See more nonstop flights
See more nonstop flights

Book cheap flights from San Diego to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from San Diego to Seattle found on KAYAK in the last 72 hours.
21/5Tue
1 stopSpirit Airlines
11h 33mSAN-SEA
C$ 110
21/5Tue
directAlaska Airlines
3h 04mSAN-SEA
C$ 129
25/5Sat
directDelta
3h 08mSAN-SEA
C$ 136
23/5Thu
directAlaska Airlines
3h 00mSAN-SEA
C$ 150
26/5Sun
directDelta
3h 06mSAN-SEA
C$ 156
21/5Tue
2 stopsSpirit Airlines
22h 41mSAN-SEA
C$ 167
31/7Wed
directDelta
2h 59mSAN-SEA
C$ 184
15/6Sat
directDelta
3h 08mSAN-SEA
C$ 191
21/5Tue
3 stopsSpirit Airlines
24h 04mSAN-SEA
C$ 200
3/8Sat
2 stopsAlaska Airlines
6h 12mSAN-SEA
C$ 202

Search by stops

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Last minute flights from San Diego to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from San Diego to Seattle that are departing in the next 10 days.
2/5Thu
directAlaska Airlines
3h 03mSAN-SEA
2/5Thu
multi-stopAlaska Airlines
4h 49mSEA-SAN
C$ 605
6/5Mon
multi-stopAlaska Airlines
11h 00mSAN-SEA
7/5Tue
directAlaska Airlines
2h 50mSEA-SAN
C$ 608
2/5Thu
multi-stopAlaska Airlines
19h 55mSAN-SEA
3/5Fri
directAlaska Airlines
2h 43mSEA-SAN
C$ 626
6/5Mon
directAlaska Airlines
3h 00mSAN-SEA
8/5Wed
directAlaska Airlines
2h 43mSEA-SAN
C$ 840
6/5Mon
multi-stopAlaska Airlines
4h 46mSAN-SEA
12/5Sun
directAlaska Airlines
2h 50mSEA-SAN
C$ 852
4/5Sat
directDelta
3h 10mSAN-SEA
6/5Mon
directDelta
2h 50mSEA-SAN
C$ 881
2/5Thu
directDelta
3h 05mSAN-SEA
2/5Thu
directDelta
2h 44mSEA-SAN
C$ 915
4/5Sat
multi-stopUnited Airlines
11h 09mSAN-SEA
6/5Mon
multi-stopUnited Airlines
6h 42mSEA-SAN
C$ 949
4/5Sat
multi-stopUnited Airlines
11h 09mSAN-SEA
6/5Mon
multi-stopUnited Airlines
6h 13mSEA-SAN
C$ 951
4/5Sat
multi-stopUnited Airlines
12h 13mSAN-SEA
6/5Mon
multi-stopUnited Airlines
10h 31mSEA-SAN
C$ 1,033

Search by stops

Search by airline

Search by price

San Diego - Seattle Flights

Departure:

San Diego (SAN)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - San Diego

Cabin classes:

C$ 2,236
C$ 488
C$ 1,541

Browse origins:

  • Flights » 
  • San Diego

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Seattle