S$63 Cheap Flights from San Diego to Seattle

View S$63 flight on Sun, 8 Feb, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Seattle

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

Prices were available within the past 7 days and start at S$63 for one-way flights and S$154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 19 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$154 Return, found 1 day ago
S$154
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$154 found 1 day ago
Delta
Fri, 20 Mar - Fri, 27 Mar
SAN
San Diego
SEA
Seattle
S$217 Return, found 5 days ago
S$217
Return
found 5 days ago
Select Delta flight, departing Fri, 20 Mar from San Diego to Seattle, returning Fri, 27 Mar, priced at S$217 found 5 days ago
Delta
Thu, 19 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$218 Return, found 1 day ago
S$218
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$218 found 1 day ago
American Airlines
Wed, 18 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$257 Return, found 1 day ago
S$257
Return
found 1 day ago
Select American Airlines flight, departing Wed, 18 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$257 found 1 day ago
Delta
Thu, 19 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$269 Return, found 1 day ago
S$269
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$269 found 1 day ago
United
Wed, 18 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$270 Return, found 1 day ago
S$270
Return
found 1 day ago
Select United flight, departing Wed, 18 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$270 found 1 day ago
American Airlines
Thu, 19 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$277 Return, found 1 day ago
S$277
Return
found 1 day ago
Select American Airlines flight, departing Thu, 19 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$277 found 1 day ago
Delta
Fri, 20 Mar - Fri, 27 Mar
SAN
San Diego
SEA
Seattle
S$280 Return, found 5 days ago
S$280
Return
found 5 days ago
Select Delta flight, departing Fri, 20 Mar from San Diego to Seattle, returning Fri, 27 Mar, priced at S$280 found 5 days ago
American Airlines
Wed, 18 Mar - Sun, 29 Mar
SAN
San Diego
SEA
Seattle
S$295 Return, found 1 day ago
S$295
Return
found 1 day ago
Select American Airlines flight, departing Wed, 18 Mar from San Diego to Seattle, returning Sun, 29 Mar, priced at S$295 found 1 day ago
Hawaiian Airlines
Thu, 12 Feb - Sun, 15 Feb
SAN
San Diego
SEA
Seattle
S$1,877 Return, found 6 days ago
S$1,877
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, 12 Feb from San Diego to Seattle, returning Sun, 15 Feb, priced at S$1,877 found 6 days ago

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

January is typically the cheapest month to fly

From S$113 - S$313 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 S$154. 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.
Airlines serving
American Airlines, Delta, Hawaiian Airlines, United
Return price
S$154
Distance
1681 km
Average flight time
3 hours 12 mins

Book with confidence

Perfect flights from San Diego to Seattle

Your Journey from San Diego to Seattle

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With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United, Hawaiian Airlines. Our selection of flights from San Diego Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from San Diego to Seattle

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