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Cheap flights from Seattle to San Diego from C$ 79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Diego departing on 20/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Seattle to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to San Diego.

Cheap last-minute flights

Planning a quick getaway from Seattle to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to San Diego

Find recent round-trip train or bus tickets from Seattle to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
9:45 a.m. - 3:26 p.m.SEA-SAN
5h 41m1 stop
4:21 p.m. - 12:19 a.m.SAN-SEA
7h 58m1 stop
C$ 122Spirit Airlines
Find Deal
Sat, 11 Jan - Wed, 15 Jan
6:05 p.m. - 8:48 p.m.SEA-SAN
2h 43mdirect
4:21 p.m. - 12:19 a.m.SAN-SEA
7h 58m1 stop
C$ 160
Find Deal
Sat, 11 Jan - Wed, 15 Jan
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
11:48 a.m. - 2:53 p.m.SAN-SEA
3h 05mdirect
C$ 188Alaska Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
9:35 a.m. - 12:30 p.m.SEA-SAN
2h 55mdirect
7:20 a.m. - 10:35 a.m.SAN-SEA
3h 15mdirect
C$ 197Delta
Find Deal
Sat, 25 Jan - Sat, 1 Feb
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
8:00 a.m. - 12:46 p.m.SAN-SEA
4h 46m1 stop
C$ 210Alaska Airlines
Find Deal
Sat, 25 Jan - Tue, 28 Jan
11:35 a.m. - 2:24 p.m.SEA-SAN
2h 49mdirect
7:20 a.m. - 10:35 a.m.SAN-SEA
3h 15mdirect
C$ 211Delta
Find Deal
Sat, 25 Jan - Thu, 30 Jan
7:59 p.m. - 12:02 p.m.SEA-SAN
16h 03m1 stop
6:52 p.m. - 9:59 p.m.SAN-SEA
3h 07mdirect
C$ 214Alaska Airlines
Find Deal
Mon, 10 Feb - Tue, 11 Feb
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
11:48 a.m. - 2:53 p.m.SAN-SEA
3h 05mdirect
C$ 217Alaska Airlines
Find Deal
Thu, 30 Jan - Thu, 30 Jan
2:52 p.m. - 11:58 p.m.SEA-SAN
9h 06m2 stops
6:04 p.m. - 1:06 a.m.SAN-SEA
7h 02m1 stop
C$ 240United Airlines
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Sat, 1 Mar - Sat, 8 Mar
5:38 p.m. - 12:28 a.m.SEA-SAN
6h 50m1 stop
7:35 p.m. - 1:23 a.m.SAN-SEA
5h 48m1 stop
C$ 253United Airlines
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Sat, 17 May - Tue, 20 May
5:15 a.m. - 2:01 p.m.SEA-SAN
8h 46m1 stop
C$ 79Spirit Airlines
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Thu, 20 Feb
7:50 p.m. - 10:33 p.m.SEA-SAN
2h 43mdirect
C$ 99Alaska Airlines
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Wed, 22 Jan
5:15 a.m. - 6:46 p.m.SEA-SAN
13h 31m2 stops
C$ 111Spirit Airlines
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Thu, 20 Feb
11:48 a.m. - 6:34 p.m.SEA-SAN
6h 46m1 stop
C$ 112Alaska Airlines
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Sat, 25 Jan
9:35 a.m. - 12:30 p.m.SEA-SAN
2h 55mdirect
C$ 114Delta
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Sun, 19 Jan
3:25 p.m. - 11:58 p.m.SEA-SAN
8h 33m2 stops
C$ 134United Airlines
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Wed, 22 Jan
11:40 a.m. - 2:33 p.m.SEA-SAN
2h 53mdirect
C$ 135Delta
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Sun, 25 May
2:40 p.m. - 8:16 p.m.SEA-SAN
5h 36m1 stop
C$ 148United Airlines
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Tue, 27 May
5:15 a.m. - 1:10 p.m.SEA-SAN
7h 55m2 stops
C$ 234Southwest
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Sat, 22 Feb
6:55 a.m. - 2:00 p.m.SEA-SAN
7h 05m2 stops
C$ 385Southwest
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Fri, 21 Feb
9:44 p.m. - 7:40 a.m.SEA-SAN
9h 56m1 stop
6:20 a.m. - 9:30 a.m.SAN-SEA
3h 10mdirect
C$ 540Alaska Airlines
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Fri, 27 Dec - Sat, 11 Jan
5:54 p.m. - 11:29 p.m.SEA-SAN
5h 35m1 stop
10:32 a.m. - 4:00 p.m.SAN-SEA
5h 28m1 stop
C$ 555Alaska Airlines
Find Deal
Tue, 24 Dec - Wed, 15 Jan
5:54 p.m. - 11:29 p.m.SEA-SAN
5h 35m1 stop
6:20 a.m. - 12:51 p.m.SAN-SEA
6h 31m1 stop
C$ 569Alaska Airlines
Find Deal
Tue, 24 Dec - Mon, 13 Jan
5:54 p.m. - 11:29 p.m.SEA-SAN
5h 35m1 stop
6:15 a.m. - 3:38 p.m.SAN-SEA
9h 23m2 stops
C$ 595Alaska Airlines
Find Deal
Fri, 27 Dec - Sat, 11 Jan
7:15 a.m. - 12:44 p.m.SEA-SAN
5h 29m1 stop
12:03 p.m. - 7:08 p.m.SAN-SEA
7h 05m1 stop
C$ 684United Airlines
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Mon, 23 Dec - Sat, 11 Jan
4:30 p.m. - 10:29 p.m.SEA-SAN
5h 59m1 stop
12:15 p.m. - 7:08 p.m.SAN-SEA
6h 53m1 stop
C$ 792United Airlines
Find Deal
Mon, 23 Dec - Thu, 9 Jan
5:00 a.m. - 10:45 a.m.SEA-SAN
5h 45m1 stop
5:35 p.m. - 12:10 a.m.SAN-SEA
6h 35m1 stop
C$ 820Southwest
Find Deal
Fri, 27 Dec - Sun, 29 Dec
7:30 a.m. - 10:31 a.m.SEA-SAN
3h 01mdirect
6:35 a.m. - 9:59 a.m.SAN-SEA
3h 24mdirect
C$ 838Delta
Find Deal
Mon, 23 Dec - Wed, 1 Jan
11:39 a.m. - 2:37 p.m.SEA-SAN
2h 58mdirect
7:00 p.m. - 10:25 p.m.SAN-SEA
3h 25mdirect
C$ 858Delta
Find Deal
Tue, 24 Dec - Thu, 26 Dec
5:25 p.m. - 11:25 p.m.SEA-SAN
6h 00m1 stop
3:30 p.m. - 12:50 a.m.SAN-SEA
9h 20m2 stops
C$ 1,029Southwest
Find Deal
Thu, 26 Dec - Sat, 28 Dec
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
11:48 a.m. - 2:53 p.m.SAN-SEA
3h 05mdirect
C$ 188Alaska Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
9:35 a.m. - 12:30 p.m.SEA-SAN
2h 55mdirect
7:20 a.m. - 10:35 a.m.SAN-SEA
3h 15mdirect
C$ 197Delta
Find Deal
Sat, 25 Jan - Sat, 1 Feb
11:35 a.m. - 2:24 p.m.SEA-SAN
2h 49mdirect
7:20 a.m. - 10:35 a.m.SAN-SEA
3h 15mdirect
C$ 211Delta
Find Deal
Sat, 25 Jan - Thu, 30 Jan
7:00 a.m. - 9:48 a.m.SEA-SAN
2h 48mdirect
11:48 a.m. - 2:53 p.m.SAN-SEA
3h 05mdirect
C$ 217Alaska Airlines
Find Deal
Thu, 30 Jan - Thu, 30 Jan
7:30 p.m. - 10:19 p.m.SEA-SAN
2h 49mdirect
3:20 p.m. - 6:32 p.m.SAN-SEA
3h 12mdirect
C$ 226Delta
Find Deal
Fri, 24 Jan - Mon, 27 Jan
11:40 a.m. - 2:33 p.m.SEA-SAN
2h 53mdirect
7:00 a.m. - 10:11 a.m.SAN-SEA
3h 11mdirect
C$ 233Delta
Find Deal
Tue, 20 May - Thu, 29 May
7:55 p.m. - 10:47 p.m.SEA-SAN
2h 52mdirect
11:30 a.m. - 2:26 p.m.SAN-SEA
2h 56mdirect
C$ 247Alaska Airlines
Find Deal
Tue, 20 May - Sun, 25 May
7:30 a.m. - 10:24 a.m.SEA-SAN
2h 54mdirect
5:00 p.m. - 8:12 p.m.SAN-SEA
3h 12mdirect
C$ 254Delta
Find Deal
Wed, 19 Feb - Wed, 19 Feb
9:55 a.m. - 12:47 p.m.SEA-SAN
2h 52mdirect
4:00 p.m. - 7:04 p.m.SAN-SEA
3h 04mdirect
C$ 260Alaska Airlines
Find Deal
Sat, 24 May - Sat, 24 May
7:30 p.m. - 10:19 p.m.SEA-SAN
2h 49mdirect
3:20 p.m. - 6:32 p.m.SAN-SEA
3h 12mdirect
C$ 269Delta
Find Deal
Fri, 21 Feb - Mon, 24 Feb

Alaska Airlines flights from Seattle to San Diego

Our best Alaska Airlines deals on Seattle to San Diego flight tickets
Alaska Airlines
14 Jan
SEA7:00 a.m.Seattle/Tacoma Intl
2h 48m
SAN9:48 a.m.San Diego
14 Jan
SAN11:48 a.m.San Diego
3h 05m
SEA2:53 p.m.Seattle/Tacoma Intl
Alaska Airlines
25 Jan
SEA6:05 p.m.Seattle/Tacoma Intl
2h 43m
SAN8:48 p.m.San Diego
29 Jan
SAN2:07 p.m.San Diego
5h 19m
1 stop
SEA7:26 p.m.Seattle/Tacoma Intl
Alaska Airlines
10 Feb
SEA7:59 p.m.Seattle/Tacoma Intl
16h 03m
1 stop
SAN12:02 p.m.San Diego
11 Feb
SAN6:52 p.m.San Diego
3h 07m
SEA9:59 p.m.Seattle/Tacoma Intl

Delta flights from Seattle to San Diego

Our best Delta deals on Seattle to San Diego flight tickets
Delta
25 Jan
SEA9:35 a.m.Seattle/Tacoma Intl
2h 55m
SAN12:30 p.m.San Diego
1 Feb
SAN7:20 a.m.San Diego
3h 15m
SEA10:35 a.m.Seattle/Tacoma Intl
Delta
25 Jan
SEA5:45 p.m.Seattle/Tacoma Intl
2h 46m
SAN8:31 p.m.San Diego
31 Jan
SAN6:55 p.m.San Diego
3h 15m
SEA10:10 p.m.Seattle/Tacoma Intl
Delta
24 Jan
SEA7:30 p.m.Seattle/Tacoma Intl
2h 49m
SAN10:19 p.m.San Diego
27 Jan
SAN3:20 p.m.San Diego
3h 12m
SEA6:32 p.m.Seattle/Tacoma Intl

See travel insights to San Diego from

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

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 typical price of a round-trip flight between Seattle and San Diego?

What is the cheapest month to fly to San Diego?

In general, January is the cheapest month to fly from Seattle to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 247. If you are unable to visit San Diego during the month of January, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around C$ 269.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart on your flight to San Diego is on a Saturday when prices can be found for as low as C$ 268. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Friday is C$ 378.

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

Flying to San Diego from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 296 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 440. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to San Diego?

The best time to book a flight to San Diego from Seattle is 54 days out, which is when prices tend to be around C$ 363. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Seattle for as low as C$ 386 on momondo.

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

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to San Diego flights?

You could potentially save up to 20% on your flight if you consider stops on a Seattle to San Diego flight.

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

As of December 2024, prices for Seattle to San Diego flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San Diego

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

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

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

Best price found

C$ 79

Fastest flight time

2h 43m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Seattle in the past 72 hours is C$ 79. The best round-trip flight deal from Seattle to San Diego found on momondo in the last 72 hours is C$ 122.
The fastest flight from Seattle to San Diego takes 2h 43m
Direct flights go from Seattle to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

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

    A flight from Seattle/Tacoma Intl to San Diego will travel around 1711.9 km. Typically, this will take 2h 43m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Seattle to San Diego

Compare and see reviews for airlines that fly from Seattle to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 143Free CancellationRating
6.1
3,472 reviews
Search Frontier flights
Spirit AirlinesPriceFrom C$ 151Free CancellationRating
6.3
8,111 reviews
Search Spirit Airlines flights
DeltaPriceFrom C$ 168Free CancellationRating
8.0
8,594 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 196Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to San Diego

    Across 27 Delta flights from Seattle to San Diego this week, the average price was C$ 196, with the best Delta deals starting from C$ 117 round-trip. 8,594 users have rated Delta on momondo, with an average score of 8.0/10.

  • Alaska Airlines Flights From Seattle to San Diego

    Across 9,537 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to San Diego about 24 times each week, with ticket deals ranging from C$ 136 to C$ 255. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

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

Finding the right flight to San Diego from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to San Diego from Seattle with this policy.

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

momondo helps you find the best flight between Seattle and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Seattle to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.


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