Round trip from
$186
18 Dec – 20 Dec · Southwest Airlines · direct
found today
Direct flights from
$186
18 Dec – 20 Dec · Southwest Airlines
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-
1712 km
Distance
-
3 h 5 min
Shortest flight
-
50%
Direct flights
-
4
Airlines
-
$65
One way from
-
$186
Round trip from
The route at a glance
The flight from San Diego to Seattle covers about 1712 km; the shortest flight takes 3 h 5 min, a typical one 3 h 28 min.
50% of the cheapest tickets are direct; Southwest Airlines carries 100% of them.
Most cheap flights leave from San Diego International Airport (4 km from the centre of San Diego).
Most land at Seattle-Tacoma International Airport (18 km from the centre of Seattle).
A one-way ticket starts at $65, a round trip at $186.
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $266 |
| December 2026 | $186 |
| January 2027 | $168 |
| March 2027 | $253 |
| April 2027 | $361 |
Cheapest day to fly
The cheapest departure in the next two months is 12 December at $65.
Friday is the cheapest day of the week to fly.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 4 $313 |
5 $142 |
6 $141 |
7 $141 |
8 $141 |
||
| 9 $141 |
10 $179 |
11 $166 |
12 $166 |
13 $166 |
14 $166 |
15 $166 |
| 16 $153 |
17 $139 |
18 $126 |
4 $67 |
5 $66 |
6 $66 |
|
| 7 $66 |
8 $66 |
9 $66 |
10 $66 |
11 $66 |
12 $65 |
13 $95 |
| 14 $68 |
15 $69 |
16 $68 |
17 $69 |
18 $68 |
Cheaper More expensive
- $65 — Saturday, Dec. 12, 2026
- $66 — Saturday, Dec. 5, 2026
- $66 — Sunday, Dec. 6, 2026
- $66 — Monday, Dec. 7, 2026
- $66 — Tuesday, Dec. 8, 2026
- $66 — Wednesday, Dec. 9, 2026
- $66 — Thursday, Dec. 10, 2026
- $66 — Friday, Dec. 11, 2026
- $67 — Friday, Dec. 4, 2026
- $68 — Monday, Dec. 14, 2026
- $68 — Wednesday, Dec. 16, 2026
- $68 — Friday, Dec. 18, 2026
- $69 — Tuesday, Dec. 15, 2026
- $69 — Thursday, Dec. 17, 2026
- $95 — Sunday, Dec. 13, 2026
- $126 — Wednesday, Nov. 18, 2026
- $139 — Tuesday, Nov. 17, 2026
- $141 — Friday, Nov. 6, 2026
- $141 — Saturday, Nov. 7, 2026
- $141 — Sunday, Nov. 8, 2026
- $141 — Monday, Nov. 9, 2026
- $142 — Thursday, Nov. 5, 2026
- $153 — Monday, Nov. 16, 2026
- $166 — Wednesday, Nov. 11, 2026
- $166 — Thursday, Nov. 12, 2026
- $166 — Friday, Nov. 13, 2026
- $166 — Saturday, Nov. 14, 2026
- $166 — Sunday, Nov. 15, 2026
- $179 — Tuesday, Nov. 10, 2026
- $313 — Wednesday, Nov. 4, 2026
Price trend, last 30 days
Prices over the past month ranged from $160 to $212, with $179 the usual level.
Today's price is about average.
- 5 October — $212
- 10 October — $196
- 15 October — $160
- 20 October — $160
- 25 October — $168
- 30 October — $168
- 4 November — $186
Trip length and timing
Travellers who pay least stay roughly 8 nights — 2 nights on the very cheapest ticket — and book about 94 days before departure.
Airlines on this route
Airports used
Alternatives
From Los Angeles, 180 km away, the same trip starts at $139.
- Los Angeles – Seattle · $139 · 180 km away
Trip essentials
Car rental in Seattle
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Mobile data in Seattle
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Airport transfer in Seattle
A fixed-price ride from the airport, booked ahead.
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Flight delayed or cancelled?
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Flight deals from San Diego in Telegram
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Questions and answers
- What is the cheapest price for flights from San Diego to Seattle?
- The cheapest round-trip ticket found recently costs $186.
- Which month is the cheapest to fly from San Diego to Seattle?
- January 2027 is currently the cheapest month, with tickets from $168.
- Are there direct flights from San Diego to Seattle?
- Yes. Direct flights were found from $186.
- Which airlines fly from San Diego to Seattle?
- Airlines found on this route: Alaska Airlines, Frontier Airlines, United Airlines, Southwest Airlines.
- How far is Seattle from San Diego?
- The distance is about 1712 km. A direct flight takes about 3 h 5 min.
- How long is the flight from San Diego to Seattle?
- The shortest flight takes 3 h 5 min; most take about 3 h 28 min.
- Which airports do flights from San Diego to Seattle use?
- Most depart from San Diego International Airport and arrive at Seattle-Tacoma International Airport.
- What is the cheapest day of the week to fly from San Diego to Seattle?
- In the next two months, Friday departures are the cheapest; the single cheapest day is 12 December at $65.