$84 Cheap Frontier Airlines flights Ontario (ONT) to Seattle (SEA)
Prices were available within the past 7 days and start at $84 for one-way flights and $149 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Aug 6 - Sat, Aug 16
ONT
SEA
$149
Roundtrip
Found 1 day ago
Wed, Aug 6 - Tue, Aug 19
ONT
SEA
$168
Roundtrip
Found 1 day ago
Wed, Aug 6 - Sat, Aug 16
ONT
SEA
$173
Roundtrip
Found 1 day ago
Mon, Aug 4 - Tue, Aug 19
ONT
SEA
$178
Roundtrip
Found 1 day ago
Mon, Aug 4 - Thu, Aug 14
ONT
SEA
$188
Roundtrip
Found 1 day ago
Sun, Aug 3 - Tue, Aug 19
ONT
SEA
$193
Roundtrip
Found 1 day ago
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United |
Popular airline | Frontier Airlines |
Distance | 1530 km |
Average flight time | 2 hours 46 mins |
Most Popular Frontier Airlines Routes from Ontario
Most Popular Frontier Airlines Routes from Seattle
- Philadelphia to Minneapolis (PHL - MSP)
- Phoenix to Pittsburgh (PHX - PIT)
- Austin to Denver (AUS - DEN)
- Seattle to Phoenix (SEA - PHX)
- New York to Miami (JFK - MIA)
- New York to San Juan (JFK - SJU)
- Washington to San Francisco (IAD - SFO)
- Philadelphia to Miami (PHL - MIA)
- Detroit to Orlando (DTW - MCO)
- Washington to Los Angeles (IAD - LAX)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Austin to Denver (AUS - DEN)
- Detroit to Orlando (DTW - MCO)
- Denver to Chicago (DEN - ORD)
- Philadelphia to Minneapolis (PHL - MSP)
- New York to San Francisco (JFK - SFO)
- Seattle to Phoenix (SEA - PHX)
- Atlanta to Detroit (ATL - DTW)
- Washington to Los Angeles (IAD - LAX)
- Philadelphia to Miami (PHL - MIA)
- Washington to San Francisco (IAD - SFO)