Cheap flights from San Diego to Seattle

San Diego
SAN
Seattle-Tacoma
SEA

Flight deals from San Diego to Seattle

Below you can see the best deals on flights San Diego — Seattle for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 29 September, from $76.

Top 10 cheap flights from San Diego to Seattle

F9
F9
$ 88

San Diego — Seattle

15:45—09:19
1 Sep 2026
17 h 34 m
1 stop
F9
F9
$ 88

San Diego — Seattle

06:25—09:19
1 Sep 2026
26 h 54 m
1 stop
F9
F9
$ 93

San Diego — Seattle

16:54—15:08
14 Sep 2026
22 h 14 m
1 stop
F9
DL
$ 104

San Diego — Seattle

10:28—23:16
10 Sep 2026
12 h 48 m
1 stop
AS
$ 109

San Diego — Seattle

06:15—09:20
8 Sep 2026
3 h 5 m
Direct flight
AS
$ 109

San Diego — Seattle

14:50—17:51
12 Sep 2026
3 h 1 m
Direct flight
AS
$ 109

San Diego — Seattle

16:50—19:52
12 Sep 2026
3 h 2 m
Direct flight
AS
$ 109

San Diego — Seattle

15:50—18:52
12 Sep 2026
3 h 2 m
Direct flight
AS
$ 109

San Diego — Seattle

06:15—09:20
12 Sep 2026
3 h 5 m
Direct flight
AS
$ 109

San Diego — Seattle

18:35—21:40
12 Sep 2026
3 h 5 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Diego — Seattle flight

Looking for cheap flights from San Diego to Seattle? Compare fares from different airlines, check the flight schedule and travel time — and book your San Diego — Seattle ticket online at the best price.

The route has direct flights — around 460 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, Qatar Airways, American Airlines and 3 more airlines, a nonstop flight takes about 2 h 58 min, the distance between the cities is around 1,710 km.

Planning your trip? You may find our Seattle travel guide, how to get from the airport into town and Seattle weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $76Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
1,710 kmDistance
2 h 58 minTravel time
7Airlines
460 / wkFlights

Flight schedule from San Diego to Seattle

The table shows direct flights from San Diego to Seattle on the selected date. The flight takes approximately 2 h 58 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, Qatar Airways and American Airlines. Departures from San Diego International Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: San Diego — Seattle

Below is a calendar of the lowest flight ticket prices for San Diego — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $76 in September, and the most expensive are around $192 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Diego to Seattle by month. Tickets are usually cheapest in February (around $176) and priciest in July (about $263) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$182lowMay$188lowSep$205medium
Feb$176lowJun$228highOct$193low
Mar$193mediumJul$263highNov$211medium
Apr$200mediumAug$251highDec$240high

Some values are estimated based on seasonality.

When to fly

Weather in Seattle: it is warmest in August (up to 25 °C on average) and coolest in December (around 8 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Seattle

Dry and wet days · Seattle

Wind speed and direction · Seattle

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How to get the best deal on a San Diego — Seattle ticket

  • Book ahead: fares for San Diego — Seattle are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Seattle is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Diego — Seattle route are operated by 7 airlines; Alaska Airlines runs the most flights (around 39% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    60x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SAN → SEA51x/week
      Duration
      3h 4m
      Days
      MTWTFSS
    • Direct flight SAN → PAE9x/week
      Duration
      2h 59m
      Days
      MTWTFSS
    39.1%Open →
  • Hawaiian AirlinesHA
    55x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight SAN → SEA50x/week
    • Direct flight SAN → PAE4x/week
    35.7%
  • Qatar AirwaysQR
    12x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight SAN → SEA12x/week
    7.8%Open →
  • American AirlinesAA
    12x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SAN → SEA9x/week
      Duration
      3h 2m
      Days
      MTWTFSS
    • Direct flight SAN → PAE3x/week
    7.8%Open →
  • DeltaDL
    11x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight SAN → SEA11x/week
      Duration
      3h
      Days
      MTWTFSS
    7.2%Open →
  • Southwest AirlinesWN
    2x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight SAN → SEA2x/week
      Duration
      2h 59m
      Days
      MTWTFSS
    1.5%Open →
  • Japan AirlinesJL
    1x/week
    WebsiteFleet: 14540M pax/year
    • Direct flight SAN → SEA1x/week
      Duration
      3h 4m
      Days
      MTWTFSS
    0.9%Open →

Cities and airports on the San Diego — Seattle route

Flights San Diego — Seattle depart from San Diego International Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Diego

SAN
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Seattle

SEA
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the San Diego — Seattle flight

How long is the flight from San Diego to Seattle?

A nonstop San Diego — Seattle flight takes about 2 h 58 min — the distance between the cities is around 1,710 km.

How far is it from San Diego to Seattle?

The distance from San Diego to Seattle is about 1,710 km, which a nonstop flight covers in around 2 h 58 min.

Are there direct flights from San Diego to Seattle?

Yes, there are nonstop flights San Diego — Seattle — around 460 flights per week.

Which airlines fly from San Diego to Seattle?

Airlines operating San Diego — Seattle include Alaska Airlines, Hawaiian Airlines, Qatar Airways, American Airlines, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Diego — Seattle flights use?

Flights from San Diego depart from San Diego International Airport, and arrive at Seattle-Tacoma International Airport, Paine Field. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Diego to Seattle?

The price of a San Diego — Seattle ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $76 and $192. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Diego — Seattle?

Flights San Diego — Seattle are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Diego to Seattle?

To catch a low fare San Diego — Seattle, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Diego

See all
San FranciscoLas VegasSan JosePhoenixDenverChicagoSacramentoNew York CityDallasSalt Lake CityAtlantaFresnoLos AngelesPortlandBostonHonoluluOrlandoAustinSanta RosaWashington, D.C.OaklandVancouverSan Jose del CaboBoiseRenoRedmondMinneapolisCharlotteKahuluiSan Luis ObispoHoustonEugeneDetroitMiamiTorontoMontrealFort LauderdaleMontereyKailua-KonaTampa

Where else you can fly from Seattle

See all
Los AngelesAnchorageVancouverSan FranciscoPhoenixSan JoseSpokanePortlandSanta AnaNew York CityBoiseDenverChicagoDallasSalt Lake CitySacramentoLas VegasRedmondBostonAtlantaHonoluluWashington, D.C.MinneapolisPascoBurbankAustinFairbanksEugeneJuneauNashvilleHoustonCalgaryBozemanDetroitPalm SpringsMissoulaMedfordRenoOrlandoVictoria

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