Cheap Flights from San Diego, CA to Seattle, WA from $77

Return flight: Seattle – San Diego

On Cheapflightsplus.com you will find 15 direct and 70 connecting flights from San Diego to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $77, book and save on cheap plane tickets and last minute offers. Also check out SAN-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Diego to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $77 (one-way), $132 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from San Diego to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:15 — 16:25
06:15 — 07:37 NK1153 Spirit Airlines
San Diego — Las Vegas
6h 3m stop
13:40 — 16:25 NK1681 Spirit Airlines
Las Vegas — Seattle
10h 10m
including layover
Find flight
from$86
06:15 — 09:16
06:15 — 09:16 HA6505 Hawaiian Airlines
San Diego — Seattle
3h 1m
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from$96
06:15 — 09:16
06:15 — 09:16 AS1265 Alaska Airlines
San Diego — Seattle
3h 1m
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from$100
06:15 — 09:16
06:15 — 09:16 HA6539 Hawaiian Airlines
San Diego — Seattle
3h 1m
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from$126
08:15 — 11:18
08:15 — 11:18 AS1071 Alaska Airlines
San Diego — Seattle
3h 3m
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from$130
10:00 — 13:00
10:00 — 13:00 HA6538 Hawaiian Airlines
San Diego — Seattle
3h
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from$106
10:00 — 13:00
10:00 — 13:00 HA6499 Hawaiian Airlines
San Diego — Seattle
3h
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from$127
10:00 — 13:00
10:00 — 13:00 AS1259 Alaska Airlines
San Diego — Seattle
3h
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from$130
12:12 — 15:10
12:12 — 15:10 HA6535 Hawaiian Airlines
San Diego — Seattle
2h 58m
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from$106
13:45 — 16:45
13:45 — 16:45 HA6532 Hawaiian Airlines
San Diego — Seattle
3h
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from$106
15:35 — 18:31
15:35 — 18:31 HA6534 Hawaiian Airlines
San Diego — Seattle
2h 56m
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from$126
17:13 — 16:25
+1 day
16:57 — 18:19 NK1157 Spirit Airlines
San Diego — Las Vegas
19h 6m stop
13:40 — 16:25 NK1681 Spirit Airlines
Las Vegas — Seattle
23h 12m
including layover
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from$77
17:51 — 20:50
17:51 — 20:50 HA6575 Hawaiian Airlines
San Diego — Seattle
2h 59m
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from$86
17:51 — 20:50
17:51 — 20:50 AS735 Alaska Airlines
San Diego — Seattle
2h 59m
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from$110
21:40 — 16:25
+1 day
21:40 — 23:05 NK1151 Spirit Airlines
San Diego — Las Vegas
14h 35m stop
13:40 — 16:25 NK1681 Spirit Airlines
Las Vegas — Seattle
18h 45m
including layover
Find flight
from$86
*Departure and arrival times - local. Updated on September 16, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from San Diego to Seattle depends on and how to choose the most interesting flight option for you.

Distance between San Diego and Seattle is 1692 miles. Time difference between the cities is 0h. Airplanes depart 06:15 to 22:45 from 11 San Diego airport and arrive 06:15 to 22:45 to 3 Seattle airports. Average flight time is 3h.

  • The fastest flight 2h 56m
  • Average flight time 3h
  • The earliest flight 06:15
  • The latest flight 22:45
  • Distance 1052 ml

The cheapest months to travel to Seattle are august (from 77 $), july (from 96 $), june (from 96 $).

The most expensive months are may (from 109 $), june (from 96 $), july (from 96 $).

What is the lowest airfare San Diego to Seattle?

The cheapest plane ticket found by our users is $77. This airfare is for economy class on one-way NK1157 flight by Spirit Airlines for August 10, 2025 which leaves San Diego in San Diego at 17:13 am and arrives at Seattle Seattle-Tacoma Intl at 16:25.

Economy class
$77
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Business class
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First class
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Popular Airlines on the Route

The flight San Diego — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 36 departures per week at the price of from $ 100 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 735.

Direct flights

There are 15 nonstop flights on the route. The fastest direct flight is HA6534 by Hawaiian Airlines takes 2h 56m and the cheapest is NK1157 by Spirit Airlines for $86.

  • AS - Alaska Airlines
    from $100
    Find
  • HA - Hawaiian Airlines
    from $86
    Find
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Connecting Flights

There are 70 flights with layovers on the route. The fastest connecting flight is HA6519 by Hawaiian Airlines takes 4h 15m and the cheapest is NK1157 by Spirit Airlines for $77.

  • AS - Alaska Airlines
    from $129
    Find
  • F9 - Frontier Airlines
    from $109
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  • SY - Sun Country Airlines
    from $327
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  • HA - Hawaiian Airlines
    from $117
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  • UA - United Airlines
    from $144
    Find
  • NK - Spirit Airlines
    from $77
    Find
See more connecting flights

Airports

You can fly from San Diego to Seattle from 11 airports (San Diego, San Diego Regional, Gillespie Field, Golden Triangle Reg., El Cajon, Lowndes County, Miramar NAS, Montgomery Field, North Island NAS, Brown Field Municipal, AFB).

San Diego airports

  • San Diego-SAN
    from $77
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  • San Diego Regional-USA
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  • Gillespie Field-SEE
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  • Golden Triangle Reg.-GTR
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  • El Cajon-CJN
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  • Lowndes County-UBS
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  • Miramar NAS-NKX
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  • Montgomery Field-MYF
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  • North Island NAS-NZY
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  • Brown Field Municipal-SDM
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  • AFB-CBM
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Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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