
$174 Cheap Alaska Airlines flights Ontario Intl. Airport (ONT) to Seattle (SEA)
$174 Cheap Alaska Airlines flights Ontario Intl. Airport (ONT) to Seattle (SEA)
Prices were available within the past 7 days and start at $174 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 11 - Sat, Jun 13
ONT
Ontario
SEA
Seattle
$327 Roundtrip, found 9 hours ago
$327
Roundtrip
found 9 hours ago
Travel information
Origin airport | Ontario Intl. Airport |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines |
Popular airline | Frontier Airlines |
Distance | 1530 km |
Average flight time | 3 hours 9 mins |
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Most Popular Alaska Airlines Routes from Ontario Intl. Airport
Most Popular Alaska Airlines Routes from Seattle
- Austin to Missoula (AUS - MSO)
- Anchorage to Tokyo (ANC - HND)
- Pasco to Phoenix (PSC - PHX)
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- Albuquerque to Anchorage (ABQ - ANC)
- Spokane to Newark Liberty Intl. Airport (GEG - EWR)
- Houston to Fresno (IAH - FAT)
- San Diego to Salt Lake City (SAN - SLC)
- Missoula to Boston (MSO - BOS)
- Boise to New York (BOI - JFK)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Anchorage to Denver (ANC - DEN)
- San Diego to Salt Lake City (SAN - SLC)
- San Jose to Portland (SJC - PWM)
- Austin to Missoula (AUS - MSO)
- Spokane to Newark Liberty Intl. Airport (GEG - EWR)
- Pasco to Phoenix (PSC - PHX)
- Baltimore to Seattle (BWI - SEA)
- Spokane to Newark Liberty Intl. Airport (GEG - EWR)
- Jacksonville to Missoula (JAX - MSO)
- Boston to San Diego (BOS - SAN)