Are there direct flights from Seattle to San Diego?

Yes, direct flights from Seattle to San Diego are available. Historically, approximately 34.3% of flights on this route have been direct. For flights that include stopovers, travelers typically experience one stop. This indicates that while direct options exist, connecting flights are also common.

How long is the flight from Seattle to San Diego?

The direct flight from Seattle to San Diego typically takes about 2 hours and 54 minutes, covering a distance of 1692 kilometers. Flights with one stop generally have a longer duration, averaging around 6 hours and 58 minutes. This difference in flight time highlights the convenience of direct routes for travelers.

How often do cheap flights from Seattle to San Diego come up?

Cheap flights from Seattle to San Diego are classified as frequent. This means that historically, travelers can often find favorable prices for this route. The consistent availability of deals makes it a popular route for price-conscious travelers. This frequency is observed across the trailing quarter.

Flights From Seattle

To San Diego

Cheap Flights from Seattle to San Diego

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to San Diego

Explore current cheapest deals departing from Seattle to San Diego

2026-09-01 – 2026-09-05
SEA - San Diego
69% AI deal score
$141
$125
Round trip
2026-09-02 – 2026-09-05
SEA - San Diego
69% AI deal score
$141
$125
Round trip
2026-09-09 – 2026-09-16
SEA - San Diego
68% AI deal score
$134
$125
Round trip
2026-11-10 – 2026-11-17
SEA - San Diego
78% AI deal score
$179
$125
Round trip
2026-09-17 – 2026-09-23
SEA - San Diego
66% AI deal score
$134
$131
Round trip
2026-09-16 – 2026-09-21
SEA - San Diego
67% AI deal score
$139
$131
Round trip
2026-09-24 – 2026-09-29
SEA - San Diego
68% AI deal score
$145
$131
Round trip
2026-09-03 – 2026-09-05
SEA - San Diego
68% AI deal score
$141
$131
Round trip
2026-10-14 – 2026-10-19
SEA - San Diego
72% AI deal score
$175
$131
Round trip
2026-10-22 – 2026-10-27
SEA - San Diego
72% AI deal score
$182
$131
Round trip

Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

For those planning cheap flights from Seattle to San Diego, prices right now are above the typical level. Fares for this route typically range from $237–$520, with a median of $335. Currently, only about 7% of recent fares are classified as a good price.

When considering the cheapest time to fly from Seattle to San Diego, January stands out with a median fare of $196. Other cost-effective months include May, with a median fare of $217, and September, where the median fare is $247.

Most itineraries for this route connect at least once, with only 34.3% of recent fares being direct flights from Seattle to San Diego. For connecting itineraries, the typical number of stopovers is 1.

A typical journey from Seattle to San Diego, including connections, takes about 2h 54m. Non-stop flights also have a median duration of 2h 54m, while connecting flights typically extend to 8h 6m.

The distance between Seattle and San Diego is approximately 1692 kilometers. This classifies the route as a medium-haul flight.

How much is a round trip from Seattle to San Diego

Regular price: $109 - $267

Prices for flights from Seattle to San Diego are currently within the regular range.

The regular price range for flights from Seattle to San Diego is between $109 and $267. The current lowest deal is $126 with Alaska Airlines, Inc. for travel from Sep 1-Sep 5.

now $126

Low $109

High $267

The cheapest time to fly from Seattle to San Diego

The cheapest month to fly from Seattle to San Diego is January, with a median price of $196. The most expensive month is April, with a median price of $742. Prices are generally lower from January to October.

January

Cheapest

Flights from $196

April

Most Expensive

Flights from $742

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Seattle to San Diego

Sat, Aug 8

⌛ Last-Minute

PAE - San Diego

Everett (PAE) - San Diego (SAN)

Alaska Airlines, Inc.

$452

$301

One-way

Mon, Aug 10

⌛ Last-Minute

PAE - San Diego

Everett (PAE) - San Diego (SAN)

Alaska Airlines, Inc.

$345

$196

One-way

Tue, Aug 11

⌛ Last-Minute

PAE - San Diego

Everett (PAE) - San Diego (SAN)

Alaska Airlines, Inc.

$419

$208

One-way

Wed, Aug 12

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Alaska Airlines, Inc.

$317

$177

One-way

Wed, Aug 12

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Alaska Airlines, Inc.

$348

$197

One-way

Wed, Aug 12

⌛ Last-Minute

PAE - San Diego

Everett (PAE) - San Diego (SAN)

Alaska Airlines, Inc.

$415

$230

One-way

Biggest price drops on these dates for flights from Seattle to San Diego

3 nights

Dec 7 - Dec 10

$536 → $241

55%

3 nights

Dec 8 - Dec 11

$541 → $261

52%

3 nights

Dec 1 - Dec 4

$527 → $311

41%

2 nights

Aug 15 - Aug 17

$409 → $197

52%

Popular Airports to fly from Seattle to San Diego

Seattle - San Diego route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Seattle to San Diego are above the typical level, with a median price of $335.

📅 Best time to fly

January is historically the cheapest month to fly.

Historically, January is the cheapest month to fly from Seattle to San Diego, with a median price of $196.

⏱️ Flight duration

Direct flights take 2h 54m.

The median flight time for a direct flight from Seattle to San Diego is 2 hours and 54 minutes.

✈️ Airlines & availability

34.3% of recent flights are direct.

Historically, 34.3% of flights on this route are direct, with connecting flights typically having 1 stopover.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. is one airline that has offered direct flights on this route recently.

🎯 Booking tip

Deals appear frequently on this route.

Deals from Seattle to San Diego appear frequently, with a good price considered to be $237 or below.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a key departure point for flights from Seattle to San Diego.

📍 ~18 km from Seattle city center (reachable by car or train).

💸 Flights from ~$120

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival choice for flights from Seattle to San Diego.

📍 ~3 km from San Diego city center (reachable by car)

💸 Flights from ~$120

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a useful alternative for Mexico-bound travelers with direct access via CBX.

📍 ~25 km from San Diego (reachable by car, requires valid passport and CBX fee)

💸 Flights from ~$352

Frequently Asked Questions About Flights to San Diego

Historically, the best time to book flights from Seattle to San Diego is typically 60+ days before departure. During this period, the average price for a flight is around $346. Booking within 0-6 days of departure usually sees prices rise significantly, with an average of $816. Planning ahead by at least two months can lead to more favorable fares.

Across the trailing quarter, a good price for a flight from Seattle to San Diego is considered to be $237 or less. The median price for this route historically stands at $335. Prices can go higher, with 75% of observed prices being $520 or less. Aiming for prices at or below the $237 threshold indicates a good deal.

Historically, the cheapest months to fly from Seattle to San Diego are January, May, and September. January typically sees a median price of $196, while May has a median of $217. September also offers competitive pricing with a median of $247. The annual median price for this route is $335, making these months notably more affordable.

Related routes

More routes from Seattle

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Flights to San Diego from other cities

Flights from Albuquerque to San Diego Flights from Salt Lake City to San Diego Flights from San Francisco to San Diego Flights from San Jose to San Diego Flights from Singapore to San Diego Flights from Tampa to San Diego Flights from Toronto to San Diego Flights from Tucson to San Diego Flights from Tulsa to San Diego Flights from Vancouver to San Diego Flights from Washington, D.C. to San Diego Flights from Zürich to San Diego

Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

The distance between Seattle and San Diego is approximately 1692 kilometers. This classifies the route as a medium-haul flight.

How much is a round trip from Seattle to San Diego

Regular price: $109 - $267

Prices for flights from Seattle to San Diego are currently within the regular range.

The regular price range for flights from Seattle to San Diego is between $109 and $267. The current lowest deal is $126 with Alaska Airlines, Inc. for travel from Sep 1-Sep 5.

now $126

Low $109

High $267

The cheapest time to fly from Seattle to San Diego

January

Cheapest

Flights from $196

April

Most Expensive

Flights from $742

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec