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Cheap flights from San Diego to Seattle from $30

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Seattle departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to Seattle.
Spirit Airlines Logo
6:15 am - 11:35 amSAN-SEA
5h 20m1 stop
Spirit Airlines Logo
12:30 pm - 12:42 amSEA-SAN
12h 12m1 stop
$92Spirit Airlines
Find Deal
Thu, Apr 24 - Tue, Apr 29
Spirit Airlines Logo
6:15 am - 11:35 amSAN-SEA
5h 20m1 stop
Spirit Airlines Logo
8:56 pm - 7:34 amSEA-SAN
10h 38m1 stop
$93Spirit Airlines
Find Deal
Wed, Apr 30 - Sun, May 4
Spirit Airlines Logo
9:08 pm - 11:35 amSAN-SEA
14h 27m1 stop
Spirit Airlines Logo
12:30 pm - 12:42 amSEA-SAN
12h 12m1 stop
$106Spirit Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
Hawaiian Airlines Logo
4:59 pm - 8:00 pmSAN-SEA
3h 01mnonstop
Hawaiian Airlines Logo
4:16 pm - 7:01 pmSEA-SAN
2h 45mnonstop
$175Hawaiian Airlines
Find Deal
Wed, May 21 - Wed, May 28
Delta Logo
6:59 pm - 10:17 pmSAN-SEA
3h 18mnonstop
Delta Logo
3:33 pm - 6:20 pmSEA-SAN
2h 47mnonstop
$177Delta
Find Deal
Tue, May 6 - Tue, May 13
Alaska Airlines Logo
8:10 am - 3:10 pmSAN-SEA
7h 00m1 stop
Alaska Airlines Logo
5:59 pm - 8:44 pmSEA-SAN
2h 45mnonstop
$181Alaska Airlines
Find Deal
Tue, May 6 - Tue, May 6
Hawaiian Airlines Logo
7:55 pm - 10:59 pmSAN-SEA
3h 04mnonstop
Hawaiian Airlines Logo
9:15 pm - 11:59 pmSEA-SAN
2h 44mnonstop
$187Hawaiian Airlines
Find Deal
Wed, Apr 30 - Sun, May 4
Alaska Airlines Logo
6:15 am - 11:20 amSAN-SEA
5h 05m1 stop
Alaska Airlines Logo
7:00 am - 9:52 amSEA-SAN
2h 52mnonstop
$190Alaska Airlines
Find Deal
Wed, Apr 30 - Sun, May 4
Delta Logo
3:35 pm - 6:49 pmSAN-SEA
3h 14mnonstop
Delta Logo
7:30 am - 10:20 amSEA-SAN
2h 50mnonstop
$197Delta
Find Deal
Thu, May 1 - Mon, May 12
Frontier Logo
6:25 am - 3:26 pmSAN-SEA
9h 01m1 stop
Frontier Logo
7:51 pm - 7:39 amSEA-SAN
11h 48m1 stop
$240Frontier
Find Deal
Fri, Apr 18 - Sat, Apr 19

Hawaiian Airlines flights from San Diego to Seattle

Our best Hawaiian Airlines deals on San Diego to Seattle flight tickets
Hawaiian Airlines
May 21
SAN4:59 pmSan Diego
3h 01m
SEA8:00 pmSeattle/Tacoma Intl
May 28
SEA4:16 pmSeattle/Tacoma Intl
2h 45m
SAN7:01 pmSan Diego
Hawaiian Airlines
Apr 30
SAN7:55 pmSan Diego
3h 04m
SEA10:59 pmSeattle/Tacoma Intl
May 4
SEA9:15 pmSeattle/Tacoma Intl
2h 44m
SAN11:59 pmSan Diego
Hawaiian Airlines
May 10
SAN6:33 amSan Diego
4h 45m
1 stop
SEA11:18 amSeattle/Tacoma Intl
May 18
SEA7:00 amSeattle/Tacoma Intl
2h 48m
SAN9:48 amSan Diego

Spirit Airlines flights from San Diego to Seattle

Our best Spirit Airlines deals on San Diego to Seattle flight tickets
Spirit Airlines
Apr 24
SAN6:15 amSan Diego
5h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Apr 29
SEA12:30 pmSeattle/Tacoma Intl
12h 12m
1 stop
SAN12:42 amSan Diego
Spirit Airlines
Apr 30
SAN6:15 amSan Diego
5h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
May 4
SEA8:56 pmSeattle/Tacoma Intl
10h 38m
1 stop
SAN7:34 amSan Diego
Spirit Airlines
Apr 22
SAN9:08 pmSan Diego
14h 27m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Apr 29
SEA12:30 pmSeattle/Tacoma Intl
12h 12m
1 stop
SAN12:42 amSan Diego

See travel insights to Seattle from

How to get the cheapest flight ticket from San Diego to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from San Diego to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $161. If you don’t want to visit Seattle in January, then you should wait until October to fly from San Diego, when ticket prices are also cheap, with an average price of $176.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $330. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $548.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from San Diego in the evening is the least expensive time of day to depart. momondo users have found prices as low as $306 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $423. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Diego to Seattle/Tacoma Intl flight route?

Fly from San Diego to Seattle/Tacoma Intl for the best San Diego - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from San Diego when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $236 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Diego for as low as $196 on momondo.

What cabin class options are available on San Diego to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on San Diego to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to Seattle flight prices changed over time?

As of April 2025, prices for San Diego to Seattle flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Seattle (SAN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Seattle

Best Price Found

$30

Fastest flight time

2h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from San Diego in the past 72 hours is $30. The best round-trip flight deal from San Diego to Seattle found on momondo in the last 72 hours is $92.
The fastest flight from San Diego to Seattle takes 2h 55m
Direct flights go from San Diego to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is San Diego to Seattle/Tacoma Intl by plane?

    The straight-line distance from San Diego to Seattle/Tacoma Intl is 1063.7 mi. Typically, this will take 2h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from San Diego Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from San Diego Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Seattle?

  • What is the most popular airline from San Diego to Seattle?


Best airlines flying from San Diego to Seattle

Compare and see reviews for airlines that fly from San Diego to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $79Free CancellationRating
6.3
7,899 reviews
Search Spirit Airlines flights
FrontierPriceFrom $94Free CancellationRating
5.9
3,278 reviews
Search Frontier flights
American AirlinesPriceFrom $113Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $117Free CancellationRating
8.0
7,901 reviews
Search Delta flights
Alaska AirlinesPriceFrom $135Free CancellationRating
8.0
9,843 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $163Free CancellationRating
7.9
2,360 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $251Free CancellationRating
7.4
8,629 reviews
Search United Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,278 reviews
Search Southwest flights
  • Delta Flights From San Diego to Seattle

    Across 34 Delta flights from San Diego to Seattle this week, the average price was $240, with the best Delta deals starting from $117 round-trip. 7,901 users have rated Delta on momondo, with an average score of 8.0/10.

  • Alaska Airlines Flights From San Diego to Seattle

    Another popular option for San Diego to Seattle flights is Alaska Airlines (8.0/10, 9,843 ratings). Alaska Airlines flies from San Diego to Seattle around 21 times per week, with deals starting from $135 round-trip and rising to an average price of around $277.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from San Diego.

Can I find flights from San Diego to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Diego to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from San Diego to Seattle?

Once you have performed a search for San Diego to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
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Sat 4/12
Sat 4/19

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