Can I fly direct from San Diego to Seattle?

Yes, direct flights from San Diego to Seattle are frequently available. Historically, approximately 53.1% of flights on this route have been direct. For journeys that include a stopover, travelers typically experience one stop. This indicates a strong presence of non-stop options for this route across the trailing 90 days.

How long does it take to fly from San Diego to Seattle?

A direct flight from San Diego to Seattle typically takes 3 hours and 1 minute, covering a distance of 1692 kilometers. Flights with one stopover, however, have a significantly longer median duration of 7 hours and 15 minutes. Travelers should consider these differences in flight time when planning their journey.

How often do San Diego to Seattle flight prices drop?

Historically, flight prices for the San Diego to Seattle route have shown frequent drops. This indicates that travelers may often find opportunities for more affordable fares. The pricing trends across the trailing 30 days suggest that this route is one where price fluctuations are common, potentially offering good value to diligent shoppers.

Flights From San Diego

To Seattle

Cheap Flights from San Diego to Seattle

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Deals from

San Diego

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

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 San Diego to Seattle

Explore current cheapest deals departing from San Diego to Seattle

2026-08-12 – 2026-08-26
SAN - Seattle
81% AI deal score
$232
$123
Round trip
2026-09-01 – 2026-09-08
SAN - Seattle
66% AI deal score
$125
$125
Round trip
2026-09-09 – 2026-09-16
SAN - Everett
79% AI deal score
$177
$125
Round trip
2026-09-12 – 2026-09-19
SAN - Everett
79% AI deal score
$177
$125
Round trip
2026-09-19 – 2026-09-26
SAN - Seattle
66% AI deal score
$125
$125
Round trip
2026-10-13 – 2026-10-20
SAN - Seattle
67% AI deal score
$134
$125
Round trip
2026-10-03 – 2026-10-17
SAN - Seattle
65% AI deal score
$117
$125
Round trip
2026-10-10 – 2026-10-17
SAN - Seattle
67% AI deal score
$133
$125
Round trip
2026-11-10 – 2026-11-18
SAN - Seattle
71% AI deal score
$153
$125
Round trip
2026-11-07 – 2026-11-14
SAN - Everett
81% AI deal score
$195
$125
Round trip

San Diego to Seattle: Overview

Insights for flights from San Diego to Seattle

For travelers looking for cheap flights from San Diego to Seattle, December stands out as the most affordable month, with a median fare of just $92. January is also a strong contender for budget-conscious travel, offering a median fare of $107. Following these, November presents another good option with a median fare of $177.

Fares for flights from San Diego to Seattle typically range from $225 to $422, with a median price of $337. Right now, current fares are above the typical level for this route. New deals for this route appear almost daily, offering frequent opportunities to find better prices.

When flying from San Diego to Seattle, 53.1% of recent fares are for non-stop flights. This indicates that a meaningful share of itineraries are non-stop, while the remaining flights typically include one connection.

A typical journey from San Diego to Seattle takes approximately 3h 1m. This median duration includes both direct and connecting itineraries, reflecting the overall travel time you can expect for this route.

The distance between San Diego and Seattle is 1692 kilometers, classifying this as a medium-haul flight. This distance means you can expect a comfortable journey within North America.

How much is a round trip from San Diego to Seattle

Regular price: $189 - $310

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

The regular price range for flights from San Diego to Seattle is between $189 and $310. The current lowest deal is $123 with Frontier Airlines for travel from Aug 12-Aug 26.

now $123

Low $189

High $310

The cheapest time to fly from San Diego to Seattle

The cheapest month to fly from San Diego to Seattle is December, with a median price of $92. The most expensive month is June, with a median price of $366. Prices are generally lower from January to December.

December

Cheapest

Flights from $92

June

Most Expensive

Flights from $366

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Diego to Seattle

Alaska Airlines, Inc.

Last-minute flights going from San Diego to Seattle

Sat, Aug 8

⌛ Last-Minute

SAN - Everett

San Diego (SAN) - Everett (PAE)

Alaska Airlines, Inc.

$394

$295

One-way

Sun, Aug 9

⌛ Last-Minute

SAN - Everett

San Diego (SAN) - Everett (PAE)

Alaska Airlines, Inc.

$359

$266

One-way

Mon, Aug 10

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Alaska Airlines, Inc.

$261

$184

One-way

Tue, Aug 11

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

$273

$167

One-way

Tue, Aug 11

⌛ Last-Minute

SAN - Everett

San Diego (SAN) - Everett (PAE)

Alaska Airlines, Inc.

$336

$205

One-way

Wed, Aug 12

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Frontier Airlines

$232

$123

One-way

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

3 nights

Aug 21 - Aug 24

$372 → $211

43%

2 nights

Aug 31 - Sep 2

$284 → $132

54%

6 nights

Aug 12 - Aug 18

$353 → $201

43%

4 nights

Aug 15 - Aug 19

$294 → $157

47%

Popular Airports to fly from San Diego to Seattle

San Diego - Seattle route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Diego to Seattle are above the typical level, with a median price of $337.

📅 Best time to fly

December is historically cheapest at $92

Historically, December is the cheapest month to fly from San Diego to Seattle, with a median price of $92.

⏱️ Flight duration

Direct flights average 3h 1m

Direct flights from San Diego to Seattle typically average 3 hours 1 minute.

✈️ Airlines & availability

Direct flights are available from Alaska Airlines, Inc.

Alaska Airlines, Inc. offers direct flights on this route, with 53.1% of flights being direct.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is a key carrier for direct flights on the San Diego to Seattle route.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from San Diego to Seattle are frequent, appearing within a 30-day window.

San Diego main airports to depart from

San Diego International (SAN)

Cheapest

San Diego International is a convenient option for flights from San Diego to Seattle.

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

💸 Flights from ~$116

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary arrival choice for flights from San Diego to Seattle.

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

💸 Flights from ~$116

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~40 km from Seattle (reachable by car)

💸 Flights from ~$137

Business & First Class Flight Deals to Seattle

50% AI deal score

$716

$637

Save $79

Frequently Asked Questions About Flights to Seattle

Historically, the optimal booking window for flights from San Diego to Seattle is typically between 28 and 59 days prior to departure. During this period, the average price for a ticket is around $281. Prices tend to be higher if booked closer to the travel date, with flights purchased 7-13 days out averaging $626. Even booking more than 60 days in advance can result in a slightly higher average price of $334.

Across the trailing quarter, a price of $225 or less for a flight from San Diego to Seattle is considered a good deal. The median price for this route over the same 90-day period was $337. Prices can go up to $422 or more, indicating that securing a ticket at or below $225 represents a significant saving.

Historically, December and January have offered the cheapest flights from San Diego to Seattle. In December, the median price was $92, while in January, it was $107. November also showed competitive pricing with a median of $177. These prices are considerably lower than the annual median price of $337 for this route.

Related routes

More routes from San Diego

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Flights to Seattle from other cities

Flights from Edmonton to Seattle Flights from Salt Lake City to Seattle Flights from San Antonio to Seattle Flights from San Francisco to Seattle Flights from San Jose to Seattle Flights from Santa Barbara to Seattle Flights from Singapore to Seattle Flights from Sydney to Seattle Flights from Tampa to Seattle Flights from Tokyo to Seattle Flights from Tucson to Seattle Flights from Washington, D.C. to Seattle

San Diego to Seattle: Overview

Insights for flights from San Diego to Seattle

The distance between San Diego and Seattle is 1692 kilometers, classifying this as a medium-haul flight. This distance means you can expect a comfortable journey within North America.

How much is a round trip from San Diego to Seattle

Regular price: $189 - $310

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

The regular price range for flights from San Diego to Seattle is between $189 and $310. The current lowest deal is $123 with Frontier Airlines for travel from Aug 12-Aug 26.

now $123

Low $189

High $310

The cheapest time to fly from San Diego to Seattle

December

Cheapest

Flights from $92

June

Most Expensive

Flights from $366

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec