Seattle to San Diego ๐บ๐ธ
Cheapest fare
$187
Fastest
2h 48m
Direct from
$331
Dates tracked
5
Cheapest fare
$187
Wed, Nov 25 ยท 1 stop ยท 4h 10m ยท Frontier Airlines
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$187 is cheaper than 80% of departure dates on this route.
This is a low price for this route.
$187$343
Price calendar
Cheapest round-trip fare by departure day Cheap Average Pricey
October 2026
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Price trend
Price alert
Cheapest day to fly
Wednesday
Averages $187, vs $337 on Saturdays.
Work-hours calculator
This flight to San Diego costs you 12h 28m of work.
Same money as
2
SUV fuel tanks
10
large pizzas
14
cinema tickets
31
fancy coffees
Airlines on this route
Frontier Airlines
from $187 ยท 4 dates
Alaska Airlines
from $331 ยท 1 dates
Destination guide
Discover San Diego
About San Diego
San Diego ( SAN dee-AY-goh; Spanish: [san หdjeษฃo]) is a city on the Pacific coast of Southern California, next to the Mexican border. It is the eighth-most populous city in the U.S. and second-most populous city in California with a population of over 1.4 million, while the San Diego area with over 3.3 million residents is the 18th-largest metropolitan area in the country. San Diego is the county seat of San Diego County.
Text from Wikipedia โ San Diego, licensed CC BY-SA 4.0.
All dates
Every fare, by date
| Departs | Return | Airline | Stops | Price |
|---|---|---|---|---|
| Sun, Oct 25 | Thu, Oct 29 | Frontier Airlines | 1 stop | $343 |
| Fri, Nov 6 | Tue, Nov 10 | Frontier Airlines | 1 stop | $246 |
| Sat, Nov 21 | Sat, Nov 28 | Frontier Airlines | 1 stop | $337 |
| Sun, Nov 22 | Sat, Nov 28 | Alaska Airlines | Direct | $331 |
| Wed, Nov 25 | Sun, Nov 29 | Frontier Airlines |
Also cheap
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FAQ
Seattle to San Diego: answers
How much is a flight from Seattle to San Diego?+
The cheapest fare we see right now is $187 round trip on Wed, Nov 25 with Frontier Airlines.
Are there direct flights from Seattle to San Diego?+
Yes โ direct fares start from $331.
How long is the flight from Seattle to San Diego?+
The fastest itinerary we track takes about 2h 48m door to door.
What is the cheapest day to fly to San Diego?+
Wednesday departures are the cheapest on average right now, Saturday the most expensive.
