Cheap Flights from San Diego (SAN) to Seattle (SEA)

View AU$146 flight on Tue, 2 June 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from San Diego (SAN) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 12 May - Tue, 26 May
SAN
San Diego
SEA
Seattle
AU$235 Return, found 3 days ago
AU$235
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 12 May from San Diego to Seattle, returning Tue, 26 May, priced at AU$235 found 3 days ago
Delta
Tue, 5 May - Tue, 19 May
SAN
San Diego
SEA
Seattle
AU$235 Return, found 3 days ago
AU$235
Return
found 3 days ago
Select Delta flight, departing Tue, 5 May from San Diego to Seattle, returning Tue, 19 May, priced at AU$235 found 3 days ago
Delta
Tue, 19 May - Thu, 4 June
SAN
San Diego
SEA
Seattle
AU$271 Return, found 3 days ago
AU$271
Return
found 3 days ago
Select Delta flight, departing Tue, 19 May from San Diego to Seattle, returning Thu, 4 June, priced at AU$271 found 3 days ago
Delta
Sat, 23 May - Thu, 4 June
SAN
San Diego
SEA
Seattle
AU$309 Return, found 3 days ago
AU$309
Return
found 3 days ago
Select Delta flight, departing Sat, 23 May from San Diego to Seattle, returning Thu, 4 June, priced at AU$309 found 3 days ago
Delta
Tue, 5 May - Thu, 21 May
SAN
San Diego
SEA
Seattle
AU$328 Return, found 3 days ago
AU$328
Return
found 3 days ago
Select Delta flight, departing Tue, 5 May from San Diego to Seattle, returning Thu, 21 May, priced at AU$328 found 3 days ago
Delta
Fri, 19 June - Tue, 23 June
SAN
San Diego
SEA
Seattle
AU$332 Return, found 2 days ago
AU$332
Return
found 2 days ago
Select Delta flight, departing Fri, 19 June from San Diego to Seattle, returning Tue, 23 June, priced at AU$332 found 2 days ago
Alaska Airlines
Sun, 31 May - Wed, 10 June
SAN
San Diego
SEA
Seattle
AU$336 Return, found 3 days ago
AU$336
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 31 May from San Diego to Seattle, returning Wed, 10 June, priced at AU$336 found 3 days ago
Delta
Tue, 28 Apr - Tue, 12 May
SAN
San Diego
SEA
Seattle
AU$357 Return, found 3 days ago
AU$357
Return
found 3 days ago
Select Delta flight, departing Tue, 28 Apr from San Diego to Seattle, returning Tue, 12 May, priced at AU$357 found 3 days ago
Alaska Airlines
Fri, 19 June - Tue, 23 June
SAN
San Diego
SEA
Seattle
AU$359 Return, found 2 days ago
AU$359
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 19 June from San Diego to Seattle, returning Tue, 23 June, priced at AU$359 found 2 days ago
American Airlines
Thu, 10 Sept - Mon, 14 Sept
SAN
San Diego
SEA
Seattle
AU$555 Return, found 6 days ago
AU$555
Return
found 6 days ago
Select American Airlines flight, departing Thu, 10 Sept from San Diego to Seattle, returning Mon, 14 Sept, priced at AU$555 found 6 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from AU$357
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from AU$357

Find the cheapest month to fly from San Diego (SAN) to Seattle (SEA)

May is typically the cheapest month to fly

From AU$144 - AU$335 per traveller.

Frequently asked questions

How much is a flight from San Diego Airport to Sea-Tac Airport?
Start packing your suitcase, because round-trip journeys from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA) start from AU$235. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SAN to Seattle - Tacoma Intl. Airport (SEA)?
This can differ between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from SAN to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Diego Intl. Airport (SAN) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SAN to SEA?
The flight distance from SAN to Sea-Tac Airport is 1 700 kilometres. Pack yourself a snack, a drink and a laptop filled with movies. Keep yourself entertained and the hours will zip by.
Which airlines fly direct from San Diego Airport to Seattle - Tacoma Intl. Airport (SEA)?
Many savvy travellers choose to fly with Alaska Airlines (AS) from San Diego Intl. Airport (SAN) to SEA. This popular airline offers 225 flights a month, so you can pick a flight time that's right for you. Operating 152 flights a month on this route, Delta Air Lines (DL) is another fantastic option.
Are SAN to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from SAN to Seattle - Tacoma Intl. Airport (SEA), but it's also possible to miss out altogether! As many airlines publish prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

Travel information

Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
AU$234
Distance
1681 km
Average flight time
3 hours 9 mins

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