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Cheap flight deals from San Diego to Seattle Starting at $32

Discover our range of affordable one-way and round-trip flights from San Diego to Seattle and kick-start your next adventure today!

  • One way
  • Round-trip
      • SAN20:45
        2h 57m
        Direct
        SEA23:42
        Thu, Sep 19|San Diego - Seattle|Alaska Airlines
        $32$57
        44% OFF
        44% OFF
        $57$32
      • SAN08:07
        7h 44m
        1 stop
        SEA15:51
        Fri, Oct 4|San Diego - Seattle|Frontier Airlines
        $35$57
        39% OFF
        39% OFF
        $57$35
      • SAN12:45
        4h 52m
        1 stop
        SEA17:37
        Wed, Nov 13|San Diego - Seattle|Spirit Airlines
        $37$57
        35% OFF
        35% OFF
        $57$37
      • SAN19:55
        3h 2m
        Direct
        SEA22:57
        Wed, Oct 9|San Diego - Seattle|Alaska Airlines
        $37
        $37
      • SAN08:00
        3h 5m
        Direct
        SEA11:05
        Wed, Nov 20|San Diego - Seattle|Alaska Airlines
        $39
        $39
      • SAN15:07
        5h 4m
        1 stop
        SEA20:11
        Mon, Nov 4|San Diego - Seattle|Spirit Airlines
        $39
        $39
      • SAN19:55
        3h 2m
        Direct
        SEA22:57
        Tue, Oct 15|San Diego - Seattle|Alaska Airlines
        $40
        $40
      • SAN10:58
        6h 41m
        1 stop
        SEA17:39
        Sat, Nov 2|San Diego - Seattle|Spirit Airlines
        $40
        $40
      • SAN15:07
        4h 54m
        1 stop
        SEA20:01
        Thu, Oct 24|San Diego - Seattle|Spirit Airlines
        $40
        $40
      • SAN12:45
        4h 52m
        1 stop
        SEA17:37
        Tue, Nov 12|San Diego - Seattle|Spirit Airlines
        $41
        $41
      • SAN13:00
        3h 5m
        Direct
        SEA14:00
        Wed, Sep 25|San Diego - Seattle|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from San Diego to Seattle?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Seattle from San Diego have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from San Diego to Seattle

Which airline provides the cheapest flights from San Diego to Seattle? Discover the option that best suits your travel needs before embarking on your journey.

Alaska Airlines
From $32
Frontier Airlines
From $35
Spirit Airlines
From $37
Delta Air Lines
From $45
American Airlines
From $77
United Airlines
From $107
Southwest Airlines
From $132
Sun Country Airlines
From $177
Hawaiian Airlines
From $268
ANA airlines

Find more flights and airlines

Alternative Cheap Routes from San Diego to Seattle

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Seattle from San Diego which could help you save money and time.

  • Cheapest
    Alaska Airlines
    SAN
    20:45
    2h 57m
    Direct
    SEA
    23:42
    San Diego International Airport - Seattle-Tacoma International Airport
    Thu, Sep 19Alaska Airlines
    $32
  • Alaska Airlines
    SAN
    20:45
    2h 57m
    Direct
    SEA
    23:42
    San Diego International Airport - Seattle-Tacoma International Airport
    Thu, Sep 19Alaska Airlines
    $32
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from San Diego (SAN) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from San Diego to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Diego (SAN) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $207.

  • How long does it take to fly from San Diego (SAN) to Seattle (SEA) and what is the distance?

    It takes around 3 hours 26 minutes to fly from San Diego (SAN) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.

  • What are the most popular airlines that fly from San Diego (SAN) to Seattle (SEA)?

How to find a cheap flight from San Diego to Seattle

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | San Diego to Seattle

Cheapest nonstop flight price

$32

Cheapest round-trip ticket price

$74

Off-season for travel

August

Peak season for travel

June

Flight distance

1,692.33km

Average flight time

3 hours 26 minutes

Popular airline

Alaska Airlines

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