Cheap Flights from San Diego, CA to Seattle, WA from $83

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 $83, 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: $83 (one-way), $142 (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 — 09:16
06:15 — 09:16 HA6505 Hawaiian Airlines
San Diego — Seattle
3h 1m
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from$104
06:15 — 09:16
06:15 — 09:16 AS1265 Alaska Airlines
San Diego — Seattle
3h 1m
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from$108
06:15 — 09:16
06:15 — 09:16 HA6539 Hawaiian Airlines
San Diego — Seattle
3h 1m
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from$137
08:15 — 11:18
08:15 — 11:18 AS1071 Alaska Airlines
San Diego — Seattle
3h 3m
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from$175
10:00 — 13:00
10:00 — 13:00 HA6538 Hawaiian Airlines
San Diego — Seattle
3h
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from$114
10:00 — 13:00
10:00 — 13:00 HA6499 Hawaiian Airlines
San Diego — Seattle
3h
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from$137
10:00 — 13:00
10:00 — 13:00 AS1259 Alaska Airlines
San Diego — Seattle
3h
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from$141
12:12 — 15:10
12:12 — 15:10 HA6535 Hawaiian Airlines
San Diego — Seattle
2h 58m
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from$114
12:12 — 15:10
12:12 — 15:10 AS1137 Alaska Airlines
San Diego — Seattle
2h 58m
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from$141
13:45 — 16:45
13:45 — 16:45 HA6532 Hawaiian Airlines
San Diego — Seattle
3h
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from$114
13:45 — 16:45
13:45 — 16:45 AS1097 Alaska Airlines
San Diego — Seattle
3h
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from$141
15:35 — 18:31
15:35 — 18:31 HA6534 Hawaiian Airlines
San Diego — Seattle
2h 56m
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from$136
15:35 — 18:31
15:35 — 18:31 AS1135 Alaska Airlines
San Diego — Seattle
2h 56m
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from$141
17:51 — 20:50
17:51 — 20:50 HA6575 Hawaiian Airlines
San Diego — Seattle
2h 59m
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from$92
17:51 — 20:50
17:51 — 20:50 AS735 Alaska Airlines
San Diego — Seattle
2h 59m
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from$119
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
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from$93
07:00 — 14:25
07:00 — 09:35 HA6522 Hawaiian Airlines
San Diego — Portland
3h 50m stop
13:25 — 14:25 HA6397 Hawaiian Airlines
Portland — Seattle
7h 25m
including layover
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from$219
07:00 — 11:40
07:00 — 09:35 HA6522 Hawaiian Airlines
San Diego — Portland
1h 5m stop
10:40 — 11:40 HA6418 Hawaiian Airlines
Portland — Seattle
4h 40m
including layover
Find flight
from$241
08:00 — 14:48
08:00 — 10:28 HA6500 Hawaiian Airlines
San Diego — Eugene
3h 2m stop
13:30 — 14:48 HA4889 Hawaiian Airlines
Eugene — Seattle
6h 48m
including layover
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from$241
11:21 — 00:34
+1 day
10:50 — 14:20 F94928 Frontier Airlines
San Diego — Denver
7h 27m stop
22:29 — 00:37 F93405 Frontier Airlines
Denver — Seattle
13h 13m
including layover
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from$126
11:21 — 18:46
11:21 — 15:02 F94928 Frontier Airlines
San Diego — Denver
1h 42m stop
16:44 — 18:46 F91175 Frontier Airlines
Denver — Seattle
7h 25m
including layover
Find flight
from$288
14:15 — 18:30
14:15 — 16:49 HA6519 Hawaiian Airlines
San Diego — Portland
46m stop
17:35 — 18:30 HA6402 Hawaiian Airlines
Portland — Seattle
4h 15m
including layover
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from$175
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$83
18:57 — 08:45
+1 day
18:57 — 20:23 AS3434 Alaska Airlines
San Diego — Las Vegas
9h 37m stop
06:00 — 08:45 AS701 Alaska Airlines
Las Vegas — Seattle
13h 48m
including layover
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from$147
18:57 — 10:40
+1 day
18:57 — 20:23 AS3434 Alaska Airlines
San Diego — Las Vegas
11h 37m stop
08:00 — 10:40 AS479 Alaska Airlines
Las Vegas — Seattle
15h 43m
including layover
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from$147
19:04 — 14:06
+1 day
19:04 — 20:34 F91326 Frontier Airlines
San Diego — Las Vegas
14h 40m stop
11:14 — 14:06 F92407 Frontier Airlines
Las Vegas — Seattle
19h 2m
including layover
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from$189
19:27 — 00:59
+1 day
19:27 — 21:05 UA505 United Airlines
San Diego — San Francisco
1h 50m stop
22:55 — 00:59 UA2110 United Airlines
San Francisco — Seattle
5h 32m
including layover
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from$156
20:37 — 06:08
+1 day
20:37 — 23:14 AS729 Alaska Airlines
San Diego — Portland
6h 1m stop
05:15 — 06:08 AS2090 Alaska Airlines
Portland — Seattle
9h 31m
including layover
Find flight
from$337
21:32 — 08:45
+1 day
21:07 — 22:30 HA6512 Hawaiian Airlines
San Diego — Las Vegas
7h 1m stop
06:00 — 08:44 HA6139 Hawaiian Airlines
Las Vegas — Seattle
11h 13m
including layover
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from$137
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
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from$93
22:11 — 08:04
+1 day
22:11 — 23:50 HA6588 Hawaiian Airlines
San Diego — San Francisco
6h 10m stop
06:00 — 08:04 HA7023 Hawaiian Airlines
San Francisco — Seattle
9h 53m
including layover
Find flight
from$127
22:11 — 09:05
+1 day
22:11 — 23:50 AS3343 Alaska Airlines
San Diego — San Francisco
7h 10m stop
07:00 — 09:05 AS1043 Alaska Airlines
San Francisco — Seattle
10h 54m
including layover
Find flight
from$211
14:01 — 16:25
+1 day
14:01 — 15:27 NK1827 Spirit Airlines
San Diego — San Jose
55m stop
16:22 — 17:53 NK1141 Spirit Airlines
San Jose — Las Vegas
19h 47m stop
13:40 — 16:25 NK1681 Spirit Airlines
Las Vegas — Seattle
26h 24m
including layover
Find flight
from$264
*Departure and arrival times - local. Updated on August 6, 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 83 $), july (from 104 $), june (from 104 $).

The most expensive months are may (from 118 $), june (from 104 $), july (from 104 $).

What is the lowest airfare San Diego to Seattle?

The cheapest plane ticket found by our users is $83. This airfare is for economy class on one-way NK1157 flight by Spirit Airlines for August 11, 2025 which leaves San Diego in San Diego at 17:13 am and arrives at Seattle Seattle-Tacoma Intl at 16:25.

Economy class
$83
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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 $ 108 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 794.

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 $92.

  • AS - Alaska Airlines
    from $108
    Find
  • HA - Hawaiian Airlines
    from $92
    Find
See more direct flights

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 $83.

  • AS - Alaska Airlines
    from $147
    Find
  • F9 - Frontier Airlines
    from $126
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  • SY - Sun Country Airlines
    from $352
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  • HA - Hawaiian Airlines
    from $127
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  • UA - United Airlines
    from $156
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  • NK - Spirit Airlines
    from $83
    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 $83
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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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