$84 Cheap Frontier Airlines flights Seattle (SEA) to Ontario (ONT)
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.
Sat, Aug 23 - Tue, Aug 26
SEA
ONT
$149
Roundtrip
Found 1 day ago
Tue, Aug 12 - Sat, Aug 23
SEA
ONT
$168
Roundtrip
Found 1 day ago
Tue, Aug 12 - Sun, Aug 24
SEA
ONT
$178
Roundtrip
Found 1 day ago
Wed, Jul 16 - Sun, Jul 20
SEA
ONT
$183
Roundtrip
Found 4 days ago
Fri, Aug 8 - Sun, Aug 24
SEA
ONT
$188
Roundtrip
Found 1 day ago
Wed, Jul 16 - Sat, Jul 19
SEA
ONT
$193
Roundtrip
Found 4 days ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Frontier Airlines, Hawaiian Airlines |
Popular airline | Hawaiian Airlines |
Distance | 1530 km |
Average flight time | 2 hours 54 mins |
Most Popular Frontier Airlines Routes from Seattle
Most Popular Frontier Airlines Routes from Ontario
- Philadelphia to Minneapolis (PHL - MSP)
- New York to Miami (LGA - MIA)
- New York to Miami (JFK - MIA)
- Austin to Denver (AUS - DEN)
- New York to San Francisco (JFK - SFO)
- Detroit to Orlando (DTW - MCO)
- Seattle to Phoenix (SEA - PHX)
- Cleveland to Atlanta (CLE - ATL)
- New York to San Juan (JFK - SJU)
- Washington to San Francisco (IAD - SFO)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- Seattle to Phoenix (SEA - PHX)
- San Diego to Seattle (SAN - SEA)
- Cleveland to Atlanta (CLE - ATL)
- New York to Miami (JFK - MIA)
- Atlanta to Detroit (ATL - DTW)
- Cleveland to Atlanta (CLE - ATL)
- Denver to Chicago (DEN - ORD)
- Washington to Los Angeles (IAD - LAX)
- Philadelphia to Minneapolis (PHL - MSP)
- Dallas to Las Vegas (DFW - LAS)