Seattle to Ontario Flight Tickets
Compare the best flight deals from Seattle to Ontario
Ara
About Seattle - Ontario Flights
Find the best prices for flights between Seattle (United States) and Ontario (United States) on Tripuck. We compare prices from hundreds of airlines to offer you the best options.
Seattle has 2 airports, while Ontario has 1 airports. Compare flights between all airports to find the best deal.
Cheapest Months for Seattle - Ontario Flights
Best month to fly
May 2026 - 3,105 ₺
May 2026
3,105 ₺
1 stops
CheapestApril 2026
3,476 ₺
Direct
June 2026
5,303 ₺
Direct
March 2026
5,912 ₺
1 stops
August 2026
6,563 ₺
1 stops
September 2026
6,606 ₺
1 stops
| Ay | Flight Type | Price |
|---|---|---|
| May 2026Cheapest | 1 stops | 3.105 ₺ |
| April 2026 | Direct | 3.476 ₺ |
| June 2026 | Direct | 5.303 ₺ |
| March 2026 | 1 stops | 5.912 ₺ |
| August 2026 | 1 stops | 6.563 ₺ |
| September 2026 | 1 stops | 6.606 ₺ |
Prices may change. Based on recent searches.
Popular Seattle - Ontario Flights
Seattle - Ontario
Ontario - Seattle
Airlines on Seattle - Ontario Route
| Havayolu | Uçuş Tipi | Fiyat |
|---|---|---|
 Global Airlines | Direct | 7.666 ₺ |
Seattle Airports
Ontario Airports
Alternative Routes
Alternative Routes from Seattle
Seattle - Ontario Flight Summary
AIRLINES
American Airlines, Alaska Airlines
Cheaper tickets are usually available on weekdays and with early bookings.
Frequently Asked Questions About Seattle - Ontario Flights
The cheapest Seattle to Ontario flight tickets start from 3,485 ₺. Prices may vary depending on the season, airline, and booking time.
For Seattle, you can use Seattle-Tacoma International Airport (SEA), Boeing Field International Airport (BFI). For Ontario, you can use Ontario International Airport (ONT).
The flight duration from Seattle to Ontario varies for direct flights. Connecting flights may take longer depending on the number of layovers.
American Airlines and Alaska Airlines operate direct flights from Seattle to Ontario.
The cheapest Seattle to Ontario flights are usually found in Nisan and on Çarşambas.
Global Airlines offers the cheapest Seattle to Ontario flights starting from 7,666 ₺.