Cheap flights from Seattle to San Diego (SEA–SAN)
SEASeattle–Tacoma International Airport
United States
United States
SANSan Diego International Airport
United States
United States
Alaska Airlines, Delta Air Lines and Southwest Airlines fly Seattle to San Diego (SEA–SAN) nonstop and back, a great-circle distance of 1,690 km (1,050 mi).
- From
- SEA
- Seattle
- To
- SAN
- San Diego
- Nonstop
- Yes · 3 airlines
- Airlines
- AS · DL · WN
- Cheapest fare found
- $148 one-way
- Distance
- 1,690 km (1,050 mi)
- Most flights
- Alaska Airlines
- Time in the air
- 2h 17m · 2h 21m back
- On time (Touchdown Index)
- 74.1%
- Flights a week
- AS ~44 · DL ~27 · WN ~14
- Aircraft seen
- Boeing 737-800 · Boeing 737-900 · Boeing 737 Max 9
Network data imported from airport and airline sources:· How we verify
Seattle to San Diego fares by month
Cheapest one-way fare found: $148 for February 2027 on Alaska Airlines (1 stop).
- Oct ’26$277
- Feb ’27$148
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
Seattle to San Diego: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Seattle–Tacoma (SEA) to San Diego (SAN)?
From $148 one-way, the cheapest fare found for February 2027 on Alaska Airlines with 1 stop (found 8 October 2026).
How long is the SEA–SAN flight?
2h 17m wheels-up to wheels-down, the median of 361 tracked flights; SAN–SEA took 2h 21m.
Which airlines fly SEA–SAN direct?
Alaska Airlines, Delta Air Lines and Southwest Airlines.
What is the time difference between Seattle and San Diego?
None: Seattle and San Diego keep the same time.
Is SEA–SAN usually on time?
74.1% of 621 SEA–SAN flights landed within 15 minutes of their usual time; 4.7% were over an hour late.
How many SEA–SAN flights a week?
Alaska Airlines 44, Delta Air Lines 27 and Southwest Airlines 14 each way.
What aircraft fly SEA–SAN?
Boeing 737-800, Boeing 737-900 and Boeing 737 Max 9.
San Diego to Seattle: the return flight (SAN–SEA)
All 3 airlines also fly SAN–SEA nonstop.
The return takes 2h 21m in the air (median of 313 tracked flights).
Airlines flying SEA–SAN nonstop
| Airline | Usually takes off (SEA time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Alaska Airlines AS | 08:22–21:05 | full-service | oneworld | — |
 Delta Air Lines DL | 07:38–20:09 | full-service | SkyTeam | — |
 Southwest Airlines WN | 09:05–18:57 | low-cost | — | — |
One-stop alternatives to flying SEA–SAN nonstop
One airline on both legs; check it's sold as one ticket.
- Via Redmond (RDM) with Alaska Airlines: 1,690 km (1,050 mi) flown, almost no further than nonstop.
- Via Reno (RNO) with Alaska Airlines: 1,690 km (1,050 mi) flown, almost no further than nonstop.
- Via Portland (PDX) with Alaska Airlines: 1,710 km (1,060 mi) flown, 1% further than nonstop.
- Via Fresno (FAT) with Alaska Airlines: 1,710 km (1,060 mi) flown, 1% further than nonstop.
- Via Eugene (EUG) with Alaska Airlines: 1,750 km (1,080 mi) flown, 3% further than nonstop.
SEA–SAN route map
More from Seattle and San Diego
Other arrivals in United States
Also nonstop from SEA, nearest to SAN first (straight-line distance):
- Santa Ana (SNA) airport guide · 122 km (76 mi) from SAN
- Palm Springs (PSP) airport guide · 137 km (85 mi) from SAN
- Long Beach (LGB) · 150 km (93 mi) from SAN
- Ontario (ONT) airport guide · 152 km (94 mi) from SAN
- SEA–LAX: Los Angeles · 176 km (109 mi) from SAN
Explore the airlines’ route maps
Departure
Seattle–Tacoma International Airport
Seattle–Tacoma (SEA), Seattle. In our data, 38 airlines fly nonstop from SEA to 136 destinations.
View SEA airport guide →Arrival
San Diego International Airport
San Diego (SAN), San Diego.
Onward from San Diego
Places you can't fly to nonstop from SEA, but can from SAN — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.