S$101 Cheap Flights from San Diego to Seattle

View S$101 flight on Fri, 1 May, 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 to Seattle (SAN-SEA)

Prices were available within the past 7 days and start at S$101 for one-way flights and S$123 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Mar - Sun, 15 Mar
SAN
San Diego
SEA
Seattle
S$123 Return, found 3 days ago
S$123
Return
found 3 days ago
Select Delta flight, departing Fri, 13 Mar from San Diego to Seattle, returning Sun, 15 Mar, priced at S$123 found 3 days ago
Delta
Fri, 13 Mar - Sun, 15 Mar
SAN
San Diego
SEA
Seattle
S$237 Return, found 3 days ago
S$237
Return
found 3 days ago
Select Delta flight, departing Fri, 13 Mar from San Diego to Seattle, returning Sun, 15 Mar, priced at S$237 found 3 days ago
Delta
Mon, 11 May - Sun, 17 May
SAN
San Diego
SEA
Seattle
S$251 Return, found 3 days ago
S$251
Return
found 3 days ago
Select Delta flight, departing Mon, 11 May from San Diego to Seattle, returning Sun, 17 May, priced at S$251 found 3 days ago
American Airlines
Mon, 11 May - Sun, 17 May
SAN
San Diego
SEA
Seattle
S$263 Return, found 3 days ago
S$263
Return
found 3 days ago
Select American Airlines flight, departing Mon, 11 May from San Diego to Seattle, returning Sun, 17 May, priced at S$263 found 3 days ago
Delta
Fri, 13 Mar - Sun, 15 Mar
SAN
San Diego
SEA
Seattle
S$288 Return, found 3 days ago
S$288
Return
found 3 days ago
Select Delta flight, departing Fri, 13 Mar from San Diego to Seattle, returning Sun, 15 Mar, priced at S$288 found 3 days ago
American Airlines
Mon, 11 May - Sun, 17 May
SAN
San Diego
SEA
Seattle
S$301 Return, found 3 days ago
S$301
Return
found 3 days ago
Select American Airlines flight, departing Mon, 11 May from San Diego to Seattle, returning Sun, 17 May, priced at S$301 found 3 days ago
United
Mon, 11 May - Sun, 17 May
SAN
San Diego
SEA
Seattle
S$304 Return, found 3 days ago
S$304
Return
found 3 days ago
Select United flight, departing Mon, 11 May from San Diego to Seattle, returning Sun, 17 May, priced at S$304 found 3 days ago
Delta
Fri, 13 Mar - Sun, 15 Mar
SAN
San Diego
SEA
Seattle
S$327 Return, found 3 days ago
S$327
Return
found 3 days ago
Select Delta flight, departing Fri, 13 Mar from San Diego to Seattle, returning Sun, 15 Mar, priced at S$327 found 3 days ago
Alaska Airlines
Fri, 13 Mar - Sun, 15 Mar
SAN
San Diego
SEA
Seattle
S$415 Return, found 3 days ago
S$415
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 13 Mar from San Diego to Seattle, returning Sun, 15 Mar, priced at S$415 found 3 days ago
Hawaiian Airlines
Fri, 6 Mar - Tue, 10 Mar
SAN
San Diego
SEA
Seattle
S$1,795 Return, found 6 days ago
S$1,795
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, 6 Mar from San Diego to Seattle, returning Tue, 10 Mar, priced at S$1,795 found 6 days ago

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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$300 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$123. 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
S$123
Distance
1681 km
Average flight time
3 hours 13 mins

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Perfect flights from San Diego to Seattle

Your Journey from San Diego to Seattle

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines, Alaska Airlines, 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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Experience the joy of finding cheap flights from San Diego Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$101 and roundtrip prices from S$123*.
 

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Experience the Vibrant Seattle

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Book Your Flight from San Diego to Seattle with Confidence

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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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