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Cheap Flights from Ontario to Seattle
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Cheap Flights from Ontario to Seattle starting at CNY 41
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- ONT09:352h 47mDirectSEA12:22Tue, Jun 4|Ontario - Seattle|Frontier AirlinesCNY 41CNY 7041% OFF41% OFFCNY 70CNY 41
- ONT10:062h 47mDirectSEA12:53Sat, Jun 1|Ontario - Seattle|Frontier AirlinesCNY 41CNY 7041% OFF41% OFFCNY 70CNY 41
- ONT09:502h 47mDirectSEA12:37Wed, May 29|Ontario - Seattle|Frontier AirlinesCNY 41CNY 7040% OFF40% OFFCNY 70CNY 41
- ONT10:042h 53mDirectSEA12:57Tue, May 21|Ontario - Seattle|Frontier AirlinesCNY 41CNY 41
- ONT10:042h 53mDirectSEA12:57Wed, May 22|Ontario - Seattle|Frontier AirlinesCNY 41CNY 41
- ONT10:042h 53mDirectSEA12:57Sat, May 18|Ontario - Seattle|Frontier AirlinesCNY 42CNY 42
- ONT10:042h 53mDirectSEA12:57Wed, Jun 5|Ontario - Seattle|Frontier AirlinesCNY 53CNY 53
- ONT10:392h 53mDirectSEA13:32Thu, May 16|Ontario - Seattle|Frontier AirlinesCNY 54CNY 54
- ONT10:042h 53mDirectSEA12:57Sat, May 25|Ontario - Seattle|Frontier AirlinesCNY 54CNY 54
- ONT10:042h 53mDirectSEA12:57Wed, Jun 12|Ontario - Seattle|Frontier AirlinesCNY 55CNY 55
- ONT13:003h 5mDirectSEA14:00Sat, Apr 27|Ontario - Seattle|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Cheapest time to fly from Ontario to Seattle
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Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Ontario to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 41
Delta Air Lines
From S$ 77
Alaska Airlines
From S$ 83
United Airlines
From S$ 123
Southwest Airlines
From S$ 127
American Airlines
From S$ 285
ANA airlines
Find more flights and airlines
Alternative Routes from Ontario to Seattle
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Ontario to Seattle.
- CheapestONT09:352h 47mDirectSEA12:22Ontario International Airport - Seattle-Tacoma International AirportTue, Jun 4Frontier AirlinesS$ 41
- ONT09:352h 47mDirectSEA12:22Ontario International Airport - Seattle-Tacoma International AirportTue, Jun 4Frontier AirlinesS$ 41Find More Flights
Frequently Asked Questions
How to find a cheap flight from Ontario to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Seattle. Book your flights at the right time and save more.
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Find cheapest flight ticket from Ontario to Seattle
Cheapest direct flight price | S$ 40 |
---|---|
Cheapest return ticket price | S$ 81 |
Cheapest month | March |
Peak season for travel | February |
Flight distance | 12,362.98km |
Popular airline | Alaska Airlines |
Plan Your Trip Around Seattle
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