Are there direct flights from Seattle to San Diego?

Yes, direct flights are available from Seattle to San Diego. Historically, direct flights have accounted for approximately 34.3% of all available options. For flights that include stopovers, travelers typically experience one stop. While direct options are a significant portion, connecting flights are also common for this route.

How long is the flight from Seattle to San Diego?

The typical direct flight from Seattle to San Diego has a median duration of 2 hours and 54 minutes. This route covers an approximate distance of 1692 kilometers. For flights that include one stop, the median travel time increases significantly to 6 hours and 58 minutes. Travelers should consider whether a direct flight or a flight with a stopover best suits their schedule.

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

Historically, cheap flights from Seattle to San Diego come up frequently. This route is classified as having a frequent occurrence of deals. Travelers looking for value on this route can expect opportunities to arise regularly. This consistent availability makes it easier to find favorable prices when planning a trip.

Flights From Seattle

To San Diego

Cheap Flights from Seattle to San Diego

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Deals from

Seattle

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

Prices updated today

462 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seattle to San Diego

Explore current cheapest deals departing from Seattle to San Diego

2026-10-13 – 2026-10-29
SEA - San Diego
77% AI deal score
$137
$96
Round trip
2026-10-19 – 2026-10-21
SEA - San Diego
80% AI deal score
$170
$96
Round trip
2026-10-22 – 2026-10-30
SEA - San Diego
79% AI deal score
$154
$96
Round trip
2026-10-22 – 2026-10-31
SEA - San Diego
79% AI deal score
$152
$96
Round trip
2026-10-22 – 2026-10-24
SEA - San Diego
83% AI deal score
$170
$96
Round trip
2026-10-23 – 2026-10-24
SEA - San Diego
83% AI deal score
$170
$96
Round trip
2026-10-28 – 2026-10-31
SEA - San Diego
82% AI deal score
$169
$96
Round trip
2026-10-27 – 2026-10-31
SEA - San Diego
82% AI deal score
$169
$96
Round trip
2026-10-14 – 2026-10-17
SEA - San Diego
82% AI deal score
$170
$96
Round trip
2026-10-01 – 2026-10-13
SEA - San Diego
77% AI deal score
$141
$96
Round trip

Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

For travelers looking for cheap flights from Seattle to San Diego, January stands out as the most affordable month, with a median fare of just $196. May is also a strong contender, offering a median fare of $217, followed by September with a median of $247. These months present the best opportunities for budget-conscious travel.

Right now, fares for this route are above the typical level, with prices typically ranging from $237–$520 and a median of $335. Only 7% of recent fares have been classified as a good price, indicating that current market conditions may not be optimal for finding the lowest possible fares. New deals appear almost daily, so monitoring prices can be beneficial.

When flying from Seattle to San Diego, most itineraries connect at least once, with only 34.3% of recent fares being non-stop. For those flights that do involve connections, the typical number of stopovers is 1. This means you should generally expect a layover on your journey.

A typical journey from Seattle to San Diego, including connections, takes approximately 8h 6m. However, if you secure one of the direct flights from Seattle to San Diego, the flight time is significantly shorter, at just 2h 54m. This route covers a distance of 1692 km, classifying it as a medium-haul flight.

How much is a round trip from Seattle to San Diego

Regular price: $127 - $264

Prices are currently below the regular range.

The regular price range for flights from Seattle to San Diego is typically between $127 and $264. The current lowest deal is $96 with Deutsche Luft Hansa, for travel from Oct 22-Oct 24.

now $96

Low $127

High $264

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 to fly is April, with a median price of $742. Generally, prices are 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

Thu, Oct 1

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Southwest Airlines

$141

$96

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$296

$181

One-way

Sat, Oct 3

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$224

$125

One-way

Sat, Oct 3

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$293

$156

One-way

Sun, Oct 4

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Deutsche Luft Hansa

$173

$155

One-way

Mon, Oct 5

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Southwest Airlines

$288

$106

One-way

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

3 nights

Oct 5 - Oct 8

$287 → $106

63%

1 night

Oct 1 - Oct 2

$293 → $146

50%

2 nights

Oct 24 - Oct 26

$282 → $147

48%

4 nights

Oct 15 - Oct 19

$282 → $150

47%

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

📅 Best time to fly

January, May, and September offer the lowest median prices

Historically, January ($196), May ($217), and September ($247) have offered the lowest median prices.

⏱️ Flight duration

Direct flights average 2h 54m

Direct flights from Seattle to San Diego typically take 2h 54m, while connecting flights average 8h 6m.

✈️ Airlines & availability

Connecting flights are more common

Connecting flights are more common on this route, with 34.3% of recent flights being direct.

🏆 Airline highlight

Alaska Airlines offers direct flights

Alaska Airlines, Inc. is one airline that offers direct flights on the Seattle to San Diego route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seattle to San Diego are frequent, with many appearing in a 30-day window.

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 public transport).

💸 Flights from ~$104

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is the primary airport for flights arriving in San Diego.

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

💸 Flights from ~$104

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a convenient alternative for Mexico-bound travelers via the Cross Border Xpress (CBX) terminal.

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

💸 Flights from ~$447

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Seattle to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SEA

Elite

Dec 01

San Diego, United States

86% AI deal score

$1,313

$591

Save $722

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Dec 01

San Diego, United States

86% AI deal score

$1,369

$591

Save $778

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 18

San Diego, United States

85% AI deal score

$1,179

$591

Save $588

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 10

San Diego, United States

85% AI deal score

$1,182

$591

Save $591

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 17

San Diego, United States

85% AI deal score

$1,179

$591

Save $588

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 17

San Diego, United States

85% AI deal score

$1,188

$591

Save $597

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 10

San Diego, United States

85% AI deal score

$1,176

$591

Save $585

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 18

San Diego, United States

85% AI deal score

$1,194

$591

Save $603

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 10

San Diego, United States

85% AI deal score

$1,176

$591

Save $585

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 10

San Diego, United States

85% AI deal score

$1,209

$593

Save $616

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 11

San Diego, United States

82% AI deal score

$1,030

$597

Save $433

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Oct 14

San Diego, United States

80% AI deal score

$868

$597

Save $271

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Historically, the best time to book flights from Seattle to San Diego is typically 60+ days in advance, with an average price of $346. Booking within 0-6 days of departure usually sees prices rise significantly, averaging around $816. Prices generally start to increase as the departure date approaches, with flights booked 7-13 days out averaging $540. Planning ahead by at least two months can lead to more favorable pricing.

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 was $335. Prices can vary, with 75% of observed prices being $520 or less. Travelers aiming for a budget-friendly trip should target prices at or below the $237 threshold.

Historically, the cheapest months to fly from Seattle to San Diego are January, with a median price of $196, and May, with a median price of $217. September also tends to be a more affordable month, showing a median price of $247. The annual median price for this route is $335, indicating that these months offer notable savings compared to the yearly average.

Related routes

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Flights to San Diego from other cities

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Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

How much is a round trip from Seattle to San Diego

Regular price: $127 - $264

Prices are currently below the regular range.

The regular price range for flights from Seattle to San Diego is typically between $127 and $264. The current lowest deal is $96 with Deutsche Luft Hansa, for travel from Oct 22-Oct 24.

now $96

Low $127

High $264

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

Direct flights from Seattle to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Seattle to San Diego

Thu, Oct 1

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Southwest Airlines

$141

$96

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$296

$181

One-way

Sat, Oct 3

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$224

$125

One-way

Sat, Oct 3

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Frontier Airlines

$293

$156

One-way

Sun, Oct 4

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Deutsche Luft Hansa

$173

$155

One-way

Mon, Oct 5

⌛ Last-Minute

SEA - San Diego

Seattle (SEA) - San Diego (SAN)

Southwest Airlines

$288

$106

One-way

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

3 nights

Oct 5 - Oct 8

$287 → $106

63%

1 night

Oct 1 - Oct 2

$293 → $146

50%

2 nights

Oct 24 - Oct 26

$282 → $147

48%

4 nights

Oct 15 - Oct 19

$282 → $150

47%

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

📅 Best time to fly

January, May, and September offer the lowest median prices

Historically, January ($196), May ($217), and September ($247) have offered the lowest median prices.

⏱️ Flight duration

Direct flights average 2h 54m

Direct flights from Seattle to San Diego typically take 2h 54m, while connecting flights average 8h 6m.

✈️ Airlines & availability

Connecting flights are more common

Connecting flights are more common on this route, with 34.3% of recent flights being direct.

🏆 Airline highlight

Alaska Airlines offers direct flights

Alaska Airlines, Inc. is one airline that offers direct flights on the Seattle to San Diego route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seattle to San Diego are frequent, with many appearing in a 30-day window.

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 public transport).

💸 Flights from ~$104

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is the primary airport for flights arriving in San Diego.

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

💸 Flights from ~$104

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a convenient alternative for Mexico-bound travelers via the Cross Border Xpress (CBX) terminal.

San Diego, United States

80% AI deal score

$868

$597

Save $271

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Cheap Flights from Seattle to San Diego

Today’s best flight deals from Seattle to San Diego

Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

How much is a round trip from Seattle to San Diego

The cheapest time to fly from Seattle to San Diego

Direct flights from Seattle to San Diego

Last-minute flights going from Seattle to San Diego

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

Popular Airports to fly from Seattle to San Diego

Seattle - San Diego route insights

Recent fares are above the typical level

January, May, and September offer the lowest median prices

Direct flights average 2h 54m

Connecting flights are more common

Alaska Airlines offers direct flights

Deals are frequent on this route

Seattle main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 01

Dec 01

Nov 18

Nov 10

Nov 17

Nov 17

Nov 10

Nov 18

Nov 10

Nov 10

Nov 11

Oct 14

Frequently Asked Questions About Flights to San Diego

When is the best time to book flights from Seattle to San Diego?

What is a good price for a flight from Seattle to San Diego?

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

Are there direct flights from Seattle to San Diego?

How long is the flight from Seattle to San Diego?

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

Related routes

More routes from Seattle

Flights to San Diego from other cities

Seattle to San Diego: Overview

Insights for flights from Seattle to San Diego

How much is a round trip from Seattle to San Diego

The cheapest time to fly from Seattle to San Diego

Direct flights from Seattle to San Diego

Last-minute flights going from Seattle to San Diego

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

Popular Airports to fly from Seattle to San Diego

Seattle - San Diego route insights

Recent fares are above the typical level

January, May, and September offer the lowest median prices

Direct flights average 2h 54m

Connecting flights are more common

Alaska Airlines offers direct flights

Deals are frequent on this route

Seattle main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 01

Dec 01

Nov 18

Nov 10

Nov 17

Nov 17

Nov 10

Nov 18

Nov 10

Nov 10

Nov 11

Oct 14

Frequently Asked Questions About Flights to San Diego

When is the best time to book flights from Seattle to San Diego?

What is a good price for a flight from Seattle to San Diego?

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