₩212,300 Cheap Flights from Ontario Intl. Airport (ONT) to Seattle (SEA)
Photo by Port of Seattle
Open Photo by Port of Seattle
Popular airlines from Ontario Intl. Airport (ONT) to Seattle-Tacoma International Airport (SEA)
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
Southwest AirlinesSouthwest Airlines
American AirlinesAmerican Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 40% on select hotels after you book a flight*
Cheap Flights from Ontario to Seattle (ONT-SEA)
Prices were available within the past 7 days and start at ₩212,300 for one-way flights and ₩366,500 for roundtrip, for the period specified. Prices and availability are subject to change.
Sat, Sep 12 - Tue, Sep 15
ONT
온타리오
SEA
시애틀
₩366,500
Roundtrip
Found 3 days ago
Fri, Sep 11 - Mon, Sep 21
ONT
온타리오
SEA
시애틀
₩398,300
Roundtrip
Found 6 days ago
Wed, Sep 2 - Sat, Sep 5
ONT
온타리오
SEA
시애틀
₩443,500
Roundtrip
Found 3 days ago
Fri, Sep 11 - Mon, Sep 21
ONT
온타리오
SEA
시애틀
₩460,100
Roundtrip
Found 6 days ago
Sat, Sep 12 - Tue, Sep 15
ONT
온타리오
SEA
시애틀
₩483,100
Roundtrip
Found 3 days ago
Sat, Sep 12 - Tue, Sep 15
ONT
온타리오
SEA
시애틀
₩490,100
Roundtrip
Found 3 days ago
Sat, Jul 25 - Wed, Jul 29
ONT
온타리오
SEA
시애틀
₩506,800
Roundtrip
Found 5 days ago
Sat, Sep 12 - Tue, Sep 15
ONT
온타리오
SEA
시애틀
₩513,800
Roundtrip
Found 3 days ago
Sat, Sep 12 - Tue, Sep 15
ONT
온타리오
SEA
시애틀
₩520,800
Roundtrip
Found 3 days ago
Wed, Sep 2 - Sat, Sep 5
ONT
온타리오
SEA
시애틀
₩536,400
Roundtrip
Found 3 days ago
Travel information
Origin airport | Ontario Intl. Airport |
|---|---|
Destination airport | Seattle-Tacoma International Airport |
Distance | 1,539 km away |
Airlines serving | Frontier Airlines, Alaska Airlines, Delta, United, Southwest Airlines, American Airlines |
Popular airline | Frontier Airlines |
Roundtrip price | ₩366,500 |
Average flight time | 2 hours 50 mins |
Explore a world of travel with Expedia
*Available to One Key members.