ONTSEA
Direct flights Ontario → Seattle
From Ontario International Airport (United States) to Seattle–Tacoma International Airport (United States), 3 airlines operate this route non-stop. 1,540 km, about 2 h 50 of flying.
1,540 kmdistance
2 h 50estimated flight time
3airlines
Year-roundroute type
Airlines on this route
Alaska Airlines
AS / ASA
- Year-round according to Wikipedia
- Observed seen in the 25 September 2026 snapshot
Frontier Airlines
F9 / FFT
- Year-round according to Wikipedia
- Observed seen in the 25 September 2026 snapshot
Delta Air Lines
DL / DAL
- Year-round according to Wikipedia
- Observed seen in the 25 September 2026 snapshot
Return flight
Direct flights Seattle → Ontario · 3 airlines
Other destinations from Ontario
- DENDenver
- DFWDallas
- HNLHonolulu
- IAHHouston
- LASLas Vegas
- OAKOakland
- ORDChicago
- PDXPortland
- PHXPhoenix
- SFOSan Francisco
- SMFSacramento
- ATLAtlanta
All direct flights from Ontario (ONT)
All direct flights from Seattle (SEA)