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Cheap flights from Seattle to San Diego from $32

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 1/14. 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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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 am - 3:26 pmSEA-SAN
5h 41m1 stop
4:21 pm - 12:19 amSAN-SEA
7h 58m1 stop
$64Spirit Airlines
Find Deal
Tue, Jan 14 - Wed, Jan 15
3:15 pm - 12:16 amSEA-SAN
9h 01m1 stop
7:26 pm - 12:19 amSAN-SEA
4h 53m1 stop
Mon, Jan 13 - Tue, Jan 14
3:15 pm - 11:49 pmSEA-SAN
8h 34m1 stop
4:21 pm - 12:19 amSAN-SEA
7h 58m1 stop
Thu, Jan 9 - Tue, Jan 14
12:10 pm - 6:58 pmSEA-SAN
6h 48m1 stop
8:55 am - 2:22 pmSAN-SEA
5h 27m1 stop
$95Frontier
Find Deal
Thu, Feb 6 - Thu, Feb 13
5:16 pm - 12:05 pmSEA-SAN
18h 49m1 stop
2:32 pm - 12:36 pmSAN-SEA
22h 04m1 stop
$103Frontier
Find Deal
Mon, Feb 10 - Tue, Feb 11
9:35 am - 12:30 pmSEA-SAN
2h 55mnonstop
1:25 pm - 4:41 pmSAN-SEA
3h 16mnonstop
$137Delta
Find Deal
Wed, Feb 5 - Wed, Feb 12
7:00 am - 9:48 amSEA-SAN
2h 48mnonstop
6:20 am - 9:30 amSAN-SEA
3h 10mnonstop
$140Alaska Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 11
1:49 pm - 4:33 pmSEA-SAN
2h 44mnonstop
8:00 am - 12:41 pmSAN-SEA
4h 41m1 stop
$146Alaska Airlines
Find Deal
Tue, Jan 28 - Wed, Feb 5
9:35 am - 12:30 pmSEA-SAN
2h 55mnonstop
1:25 pm - 4:41 pmSAN-SEA
3h 16mnonstop
$147Delta
Find Deal
Sat, Jan 25 - Mon, Jan 27
7:15 am - 1:46 pmSEA-SAN
6h 31m2 stops
6:00 pm - 1:38 amSAN-SEA
7h 38m1 stop
$235United Airlines
Find Deal
Thu, Apr 17 - Thu, Apr 17
9:45 am - 10:18 pmSEA-SAN
12h 33m1 stop
$32Spirit Airlines
Find Deal
Tue, Jan 14
3:15 pm - 11:49 pmSEA-SAN
8h 34m1 stop
$50Frontier
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Thu, Jan 9
9:35 am - 12:30 pmSEA-SAN
2h 55mnonstop
$69Delta
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Tue, Jan 21
9:15 pm - 11:59 pmSEA-SAN
2h 44mnonstop
$73Alaska Airlines
Find Deal
Mon, Feb 24
9:16 pm - 11:59 pmSEA-SAN
2h 43mnonstop
$77Alaska Airlines
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Fri, Jan 31
5:00 am - 2:49 pmSEA-SAN
9h 49m2 stops
$93United Airlines
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Wed, Jan 22
11:40 am - 2:33 pmSEA-SAN
2h 53mnonstop
$94Delta
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Sun, May 25
9:20 am - 7:53 pmSEA-SAN
10h 33m2 stops
$116United Airlines
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Thu, Feb 27
12:45 am - 12:56 pmSEA-SAN
12h 11m1 stop
$340American Airlines
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Thu, Jan 30
12:59 am - 10:15 amSEA-SAN
9h 16m1 stop
$497American Airlines
Find Deal
Mon, Feb 17
9:36 pm - 10:27 amSEA-SAN
12h 51m1 stop
7:26 pm - 12:19 amSAN-SEA
4h 53m1 stop
Sat, Dec 28 - Thu, Jan 9
9:36 pm - 10:27 amSEA-SAN
12h 51m1 stop
3:07 pm - 8:50 pmSAN-SEA
5h 43m1 stop
$259Frontier
Find Deal
Sat, Dec 28 - Fri, Jan 10
2:16 pm - 10:12 pmSEA-SAN
7h 56m1 stop
6:15 am - 1:11 pmSAN-SEA
6h 56m1 stop
$354Spirit Airlines
Find Deal
Sat, Dec 28 - Mon, Jan 6
2:16 pm - 10:12 pmSEA-SAN
7h 56m1 stop
7:16 pm - 12:10 amSAN-SEA
28h 54m2 stops
$371Spirit Airlines
Find Deal
Sat, Dec 28 - Mon, Jan 6
5:54 pm - 11:29 pmSEA-SAN
5h 35m1 stop
6:15 am - 3:38 pmSAN-SEA
9h 23m2 stops
$414Alaska Airlines
Find Deal
Fri, Dec 27 - Sat, Jan 11
4:59 pm - 7:47 pmSEA-SAN
2h 48mnonstop
12:42 pm - 8:35 pmSAN-SEA
7h 53m1 stop
$434Alaska Airlines
Find Deal
Sat, Dec 28 - Mon, Jan 6
9:45 am - 12:45 pmSEA-SAN
3h 00mnonstop
1:25 pm - 4:41 pmSAN-SEA
3h 16mnonstop
$507Delta
Find Deal
Sat, Dec 28 - Mon, Jan 6
11:39 am - 2:37 pmSEA-SAN
2h 58mnonstop
7:20 am - 10:35 amSAN-SEA
3h 15mnonstop
$546Delta
Find Deal
Tue, Dec 24 - Mon, Jan 6
6:57 pm - 9:45 pmSEA-SAN
2h 48mnonstop
8:30 am - 2:02 pmSAN-SEA
5h 32m1 stop
$557American Airlines
Find Deal
Sat, Dec 28 - Fri, Jan 10
8:30 am - 3:23 pmSEA-SAN
6h 53m1 stop
7:00 am - 10:10 amSAN-SEA
3h 10mnonstop
$590American Airlines
Find Deal
Wed, Dec 25 - Tue, Jan 7
9:16 pm - 11:59 pmSEA-SAN
2h 43mnonstop
9:35 am - 12:44 pmSAN-SEA
3h 09mnonstop
$125Alaska Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
1:49 pm - 4:33 pmSEA-SAN
2h 44mnonstop
6:52 pm - 9:59 pmSAN-SEA
3h 07mnonstop
$131Alaska Airlines
Find Deal
Tue, Jan 28 - Tue, Jan 28
7:30 am - 10:24 amSEA-SAN
2h 54mnonstop
5:00 pm - 8:12 pmSAN-SEA
3h 12mnonstop
$137Delta
Find Deal
Sat, Jan 25 - Sat, Jan 25
6:05 pm - 8:48 pmSEA-SAN
2h 43mnonstop
6:20 am - 9:30 amSAN-SEA
3h 10mnonstop
$138Alaska Airlines
Find Deal
Sat, Jan 25 - Sun, Jan 26
7:50 pm - 10:33 pmSEA-SAN
2h 43mnonstop
6:20 am - 9:30 amSAN-SEA
3h 10mnonstop
$139Alaska Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 11
11:35 am - 2:24 pmSEA-SAN
2h 49mnonstop
7:20 am - 10:35 amSAN-SEA
3h 15mnonstop
$147Delta
Find Deal
Sat, Jan 25 - Sun, Jan 26
11:35 am - 2:24 pmSEA-SAN
2h 49mnonstop
7:20 am - 10:35 amSAN-SEA
3h 15mnonstop
$157Delta
Find Deal
Fri, Jan 24 - Sun, Jan 26
7:30 am - 10:24 amSEA-SAN
2h 54mnonstop
7:20 am - 10:35 amSAN-SEA
3h 15mnonstop
$177Delta
Find Deal
Wed, Feb 19 - Mon, Feb 24
6:59 pm - 9:49 pmSEA-SAN
2h 50mnonstop
2:15 pm - 5:23 pmSAN-SEA
3h 08mnonstop
$392American Airlines
Find Deal
Mon, Apr 14 - Fri, Apr 18
6:59 pm - 9:49 pmSEA-SAN
2h 50mnonstop
7:00 am - 10:12 amSAN-SEA
3h 12mnonstop
$522American Airlines
Find Deal
Sat, Apr 12 - Sat, Apr 19

Frontier flights from Seattle to San Diego

Our best Frontier deals on Seattle to San Diego flight tickets
Frontier
Feb 6
SEA12:10 pmSeattle/Tacoma Intl
6h 48m
1 stop
SAN6:58 pmSan Diego
Feb 13
SAN8:55 amSan Diego
5h 27m
1 stop
SEA2:22 pmSeattle/Tacoma Intl
Frontier
Feb 10
SEA5:16 pmSeattle/Tacoma Intl
18h 49m
1 stop
SAN12:05 pmSan Diego
Feb 11
SAN2:32 pmSan Diego
22h 04m
1 stop
SEA12:36 pmSeattle/Tacoma Intl
Frontier
Feb 9
SEA9:52 pmSeattle/Tacoma Intl
9h 53m
1 stop
SAN7:45 amSan Diego
Feb 12
SAN8:11 amSan Diego
8h 29m
1 stop
SEA4:40 pmSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to San Diego

Our best Alaska Airlines deals on Seattle to San Diego flight tickets
Alaska Airlines
Feb 6
SEA7:00 amSeattle/Tacoma Intl
2h 48m
SAN9:48 amSan Diego
Feb 11
SAN6:20 amSan Diego
3h 10m
SEA9:30 amSeattle/Tacoma Intl
Alaska Airlines
Jan 28
SEA1:49 pmSeattle/Tacoma Intl
2h 44m
SAN4:33 pmSan Diego
Feb 5
SAN8:00 amSan Diego
4h 41m
1 stop
SEA12:41 pmSeattle/Tacoma Intl
Alaska Airlines
Feb 1
SEA11:50 amSeattle/Tacoma Intl
6h 40m
1 stop
SAN6:30 pmSan Diego
Feb 2
SAN6:20 amSan Diego
6h 26m
1 stop
SEA12:46 pmSeattle/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?

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 $187.

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

The cheapest day to depart from Seattle to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $236. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $277. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $252. Flights at noon are often more expensive with an average ticket price of $311.

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?

Most flyers found that booking tickets 54 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $253. However, in the past 72 hours, people saw flights from Seattle for as low as $187.

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

There are 4 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 1% 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

$32

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 $32. The best round-trip flight deal from Seattle to San Diego found on momondo in the last 72 hours is $64.
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?

    The distance between Seattle/Tacoma Intl and San Diego is about 1063.7 mi. In terms of flight time, this usually takes a little over 2h 43m.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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
Spirit AirlinesPriceFrom $75Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
FrontierPriceFrom $92Free CancellationRating
6.1
3,469 reviews
Search Frontier flights
DeltaPriceFrom $117Free CancellationRating
8.0
8,588 reviews
Search Delta flights
Alaska AirlinesPriceFrom $126Free CancellationRating
8.0
9,549 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $173Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $176Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
  • Delta Flights From Seattle to San Diego

    Delta operates around 27 flights from Seattle to San Diego every week. The average price of these flights found in the last 72 hours has been $254, but momondo users have found Delta deals from Seattle to San Diego from as low as $117 round-trip. Delta has been scored 8.0/10 in 8,588 reviews.

  • Alaska Airlines Flights From Seattle to San Diego

    $126 is the best Alaska Airlines flight deal from Seattle to San Diego found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $288, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,549 user reviews) flies into San Diego from Seattle 34 times in an average week so prices can vary.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to San Diego. momondo saves you time and could save you money on your trip.

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

Flights from Seattle to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Seattle to San Diego 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 Seattle to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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