Cheap flights from Seattle to San Diego from CA$173
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to San Diego
Not happy with the results? Try some of our useful filters
Search by stops
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
Search by departure date
How much do flights to San Diego cost?
Key info about flying to San Diego
Depart from
Arrive to
Average flights per week
Flight distance
Worth visiting
Weekly direct flights
Discover the top airlines offering direct flights from Seattle to San Diego in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Sun 30.11 | Mon 01.12 | Tue 02.12 | Wed 03.12 | Thu 04.12 | Fri 05.12 | Sat 06.12 |
|---|---|---|---|---|---|---|---|
| 2 | 1 | 6 | 7 | 5 | 7 | 3 | |
| 3 | --- | 5 | 7 | --- | --- | 3 | |
| Weekly flights: 49 total | Daily flights: 7 average | Most flights: Wednesday 7 flights |
| Airline | Sun 07.12 | Mon 08.12 | Tue 09.12 | Wed 10.12 | Thu 11.12 | Fri 12.12 | Sat 13.12 |
|---|---|---|---|---|---|---|---|
| --- | 1 | 7 | 7 | 7 | 3 | 6 | |
| 7 | 6 | --- | --- | --- | 1 | --- | |
| Weekly flights: 45 total | Daily flights: 6.43 average | Most flights: Tuesday 7 flights |
| Airline | Sun 14.12 | Mon 15.12 | Tue 16.12 | Wed 17.12 | Thu 18.12 | Fri 19.12 | Sat 20.12 |
|---|---|---|---|---|---|---|---|
| 7 | --- | 7 | 7 | 6 | 6 | 3 | |
| --- | 7 | --- | 1 | --- | 1 | 3 | |
| Weekly flights: 48 total | Daily flights: 6.86 average | Most flights: Sunday 7 flights |
| Airline | Sun 21.12 | Mon 22.12 | Tue 23.12 | Wed 24.12 | Thu 25.12 | Fri 26.12 | Sat 27.12 |
|---|---|---|---|---|---|---|---|
| 7 | 5 | 4 | 6 | 6 | 1 | 6 | |
| --- | 7 | 7 | 4 | 2 | --- | 6 | |
| Weekly flights: 61 total | Daily flights: 8.71 average | Most flights: Sunday 7 flights |
Check-in for a flight from Seattle to San Diego
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Alaska Airlines | ASA | AS | No |
| Hawaiian Airlines | HAL | HA | No |
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| American Airlines | AAL | AA | No |
Online check-in is not available for these airlines.
Weather in San Diego
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 18°C | 10°C |
| February | 17°C | 10°C |
| March | 18°C | 11°C |
| April | 19°C | 12°C |
| May | 20°C | 14°C |
| June | 22°C | 16°C |
| July | 24°C | 18°C |
| August | 25°C | 19°C |
| September | 25°C | 19°C |
| October | 23°C | 16°C |
| November | 21°C | 13°C |
| December | 17°C | 11°C |
14 day forecast
Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to San Diego. Book your trip to arrive at San Diego International, or McClellan–Palomar. The distance between Seattle and San Diego is 1694 km. The most popular airlines for this route are Alaska Airlines, Hawaiian Airlines, Frontier Airlines, United Airlines, and American Airlines. Seattle and San Diego have 198 direct flights per week.
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from Seattle
Flights to San Diego
Popular routes
Airports near Seattle
Airports near San Diego
Download our app