⚡ Fare recorded April 25, 2026 · Prices change daily

San Diego to Seattle flights

San Diego (SAN) to Seattle (SEA): 1,051 miles (1,692 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $172 round-trip on Frontier, with 1 stop, departing June 26, 2026.

F9FrontierF91326
Depart
SAN
San Diego, USA
20:29
2026-06-26
✈
Arrive
SEA
Seattle, United States
Returns 20:12
2026-06-28
Stops
1 stop
Distance
1,051 mi
Est. nonstop time
2h 35m
Trip type
Round-trip
$172
Round-trip · per person
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About this flight

When did the cheapest San Diego to Seattle fare fly?

$172 round-trip, Frontier F91326, departing 2026-06-26 at 20:29, returning 2026-06-28. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 62 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is San Diego from Seattle?

  • Distance: 1,051 miles (1,692 km) great-circle, heading north.
  • Estimated nonstop flight time: about 2h 35m.
  • Departure airport: San Diego International Airport (SAN), San Diego, United States, UTC-7 on June 26, 2026.
  • Arrival: Seattle-Tacoma International Airport (SEA), United States, UTC-7 on June 26, 2026.
  • Time difference: none on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 433 ft.
  • Recorded itinerary: Frontier F91326, 1 stop, round-trip, 2 days between departure and return.
Fare comparison

How does the San Diego to Seattle fare compare with other routes from SAN?

At $172, it ranked 8th of the 30 round-trip fares we recorded from SAN (median $279). That is 16.4 cents per great-circle mile (round-trip price over one-way distance), close to the SAN median of 15.0 cents across 30 round-trip routes.

Routes from SAN of similar length: Austin (1,162 mi) at $190 and Dallas (1,168 mi) at $125.

Frontier had the cheapest fare on 16 of 30 SAN routes. It is the 24th longest of the 30 routes we track from SAN.

Other ways in

What did other cities pay to fly to Seattle?

Of 18 departure airports with a fare to Seattle, San Diego (SAN) ranked 2nd at $172. Lowest: $122 from Houston (IAH); highest: $690 from Punta Cana (PUJ); 5 nonstop. Cheapest-fare airlines (routes): Frontier (13), Alaska Airlines (2), Air Canada (1), Southwest (1) and United Airlines (1).

The reverse, Seattle (SEA) to San Diego (SAN), was $355 round-trip on Frontier, 1 stop, departing April 26, 2026. Seattle to San Diego flights.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Los_Angeles; flight time is our estimate.

FAQ

San Diego to Seattle flight questions

How far is San Diego from Seattle by plane?

+
San Diego is about 1,051 miles (1,692 km) from Seattle on a great-circle line from San Diego International Airport (SAN) to Seattle-Tacoma International Airport (SEA), heading north. It is the 24th longest of the 30 routes we track from SAN. The recorded itinerary had 1 stop, so the distance flown was longer.

How long is the flight from San Diego to Seattle?

+
About 2h 35m nonstop by our estimate for 1,051 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Frontier fare was with 1 stop. 18 airports in our feed had a fare to Seattle; this one ranked 2nd, and 5 of the 18 were nonstop.

What is the time difference between San Diego and Seattle?

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On June 26, 2026, San Diego was on UTC-7 (America/Los_Angeles) and Seattle on UTC-7 (America/Los_Angeles), so the two cities shared the same clock time: noon in San Diego was 12:00 in Seattle. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from San Diego to Seattle?

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As observed on April 25, 2026: $172 per person round-trip on Frontier flight F91326, departing June 26, 2026, returning June 28, 2026, with 1 stop. At $172, it ranked 8th of the 30 round-trip fares we recorded from SAN (median $279). That is 16.4 cents per great-circle mile (round-trip price over one-way distance), close to the SAN median of 15.0 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from San Diego to Seattle?

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The cheapest recorded fare had 1 stop; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into Seattle, 5 of the 18 recorded fares were nonstop. From SAN, 6 of 30 were. The reverse, Seattle (SEA) to San Diego (SAN), was $355 round-trip on Frontier, 1 stop, departing April 26, 2026.

Which airports serve flights from San Diego to Seattle?

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It departs San Diego International Airport (SAN) in San Diego, United States, and arrives at Seattle-Tacoma International Airport (SEA) in Seattle, United States. A domestic United States flight. Routes from SAN of similar length: Austin (1,162 mi) at $190 and Dallas (1,168 mi) at $125.

Where else near Seattle can you fly from San Diego?

Boise (BOI) $149San Francisco (SFO) $185Salt Lake City (SLC) $153Las Vegas (LAS) $52Los Angeles (LAX) $277Denver (DEN) $123All flights from San Diego →

Other cities with flights to Seattle

From Houston (IAH) $122From Denver (DEN) $178From Las Vegas (LAS) $188From Los Angeles (LAX) $199From Chicago (MDW) $210From Atlanta (ATL) $211

Ready to fly?

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