Can I fly direct from San Diego to Seattle?

Yes, direct flights from San Diego to Seattle are typically 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 data reflects trends observed over a 90-day period.

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

A direct flight from San Diego to Seattle typically takes about 3 hours and 1 minute. This corresponds to a median flight time of 181 minutes for non-stop journeys. Flights with one stop, however, have a significantly longer median duration, typically taking around 7 hours and 15 minutes, or 435 minutes. The distance between the two cities is approximately 1692 kilometers.

How often do San Diego to Seattle flight prices drop?

Historically, flight prices for the San Diego to Seattle route tend to drop frequently. This route is classified as one where price fluctuations are common. This assessment is based on pricing patterns observed over a 30-day period, indicating regular opportunities for price reductions.

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 1 day ago

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 San Diego to Seattle

Explore current cheapest deals departing from San Diego to Seattle

2026-10-15 – 2026-10-20
SAN - Seattle
78% AI deal score
$132
$96
Round trip
2026-10-22 – 2026-10-29
SAN - Seattle
77% AI deal score
$128
$96
Round trip
2026-10-24 – 2026-10-31
SAN - Seattle
75% AI deal score
$127
$96
Round trip
2026-10-22 – 2026-10-28
SAN - Seattle
77% AI deal score
$128
$96
Round trip
2026-10-03 – 2026-10-04
SAN - Seattle
78% AI deal score
$139
$96
Round trip
2026-10-09 – 2026-10-18
SAN - Seattle
72% AI deal score
$120
$96
Round trip
2026-11-14 – 2026-11-18
SAN - Seattle
79% AI deal score
$135
$96
Round trip
2026-11-18 – 2026-11-23
SAN - Seattle
76% AI deal score
$135
$96
Round trip
2026-11-15 – 2026-11-23
SAN - Seattle
75% AI deal score
$125
$96
Round trip
2026-11-10 – 2026-11-14
SAN - Seattle
76% AI deal score
$133
$96
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, the data indicates that December is typically the most affordable month, with a median fare of $92. Following closely, January also offers competitive pricing, with a median fare of $107. Another good option is November, where the median fare is around $177.

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

When considering your journey, a meaningful share of itineraries are non-stop, while the rest typically connect once. This means you have options for both direct and connecting flights from San Diego to Seattle, depending on your preference for speed versus potential cost savings.

A typical journey from San Diego to Seattle takes about 3h 1m, including both direct and connecting itineraries. For non-stop flights, the median duration is also 3h 1m. If your itinerary includes connections, the typical journey time extends to about 8h 5m.

The distance between San Diego and Seattle is approximately 1692 kilometers. This classifies the route as a medium-haul flight, offering a comfortable travel duration for most passengers.

How much is a round trip from San Diego to Seattle

Regular price: $94 - $273

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

The regular price range for flights from San Diego to Seattle is $94 to $273. The current lowest deal is $96 with Southwest Airlines for travel from Oct 7-Oct 17.

now $96

Low $94

High $273

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

Thu, Oct 1

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Frontier Airlines

$246

$146

One-way

Thu, Oct 1

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Frontier Airlines

$227

$152

One-way

Fri, Oct 2

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Deutsche Luft Hansa

$128

$96

One-way

Fri, Oct 2

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Frontier Airlines

$247

$163

One-way

Sat, Oct 3

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Deutsche Luft Hansa

$120

$96

One-way

Sat, Oct 3

⌛ Last-Minute

SAN - Seattle

San Diego (SAN) - Seattle (SEA)

Alaska Airlines, Inc.

$137

$96

One-way

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

2 nights

Oct 9 - Oct 11

$347 → $166

52%

2 nights

Oct 3 - Oct 5

$353 → $181

49%

1 night

Dec 4 - Dec 5

$341 → $179

48%

2 nights

Dec 12 - Dec 14

$295 → $143

52%

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 for San Diego to Seattle are above the typical level, with a median of $337.

📅 Best time to fly

December is historically cheapest

Historically, December offers the lowest median prices at $92 for flights from San Diego to Seattle.

⏱️ Flight duration

Direct flights average 3h 1m

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

✈️ Airlines & availability

Direct flights are frequent

Direct flights are a mixed share of routes, with frequent deals available.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. provides direct flight options on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from San Diego to Seattle appear frequently, within a 30-day window.

San Diego main airports to depart from

San Diego International (SAN)

Cheapest

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

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

💸 Flights from ~$103

McClellan–Palomar (CLD)

McClellan–Palomar is an alternative departure airport for flights from San Diego to Seattle.

📍 ~47 km from San Diego (reachable by car)

💸 Flights from ~$327

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$103

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 ~$136

Business & First Class Flight Deals to Seattle

$597

Save $372

Alaska Airlines, Inc.

Business Class

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 has been observed at around $281. Prices tend to be higher outside this window, with flights booked 7-13 days out averaging $626. Even last-minute bookings, within 0-6 days of travel, have averaged $323 across the trailing quarter.

Across the trailing quarter, a good price for a flight from San Diego to Seattle is considered to be $225 or less. Historically, the median price for this route has been $337. Prices can go higher, with 75% of tickets observed at $422 or less. These figures are based on pricing trends over a 90-day period.

Historically, December has offered the cheapest flights from San Diego to Seattle, with a median price of $92. January also presents a good value, with a median price of $107. November has also shown relatively lower prices, with a median of $177. These months are significantly cheaper than the annual median price of $337 for this route, based on data from the trailing 270 days.

Related routes

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Flights to Seattle from other cities

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San Diego to Seattle: Overview

Insights for flights from San Diego to Seattle

The distance between San Diego and Seattle is approximately 1692 kilometers. This classifies the route as a medium-haul flight, offering a comfortable travel duration for most passengers.

How much is a round trip from San Diego to Seattle

Regular price: $94 - $273

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

The regular price range for flights from San Diego to Seattle is $94 to $273. The current lowest deal is $96 with Southwest Airlines for travel from Oct 7-Oct 17.

now $96

Low $94

High $273

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