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Cheap flights from Ontario (ONT) to USA

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Ontario to USA 2020 flight deals

Cheap flights to USA from Ontario found for next year
31 Jan - 2 Feb
$114pp
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
14 Jan - 21 Jan
$137pp
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
8 Feb - 12 Feb
$137pp
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario

Last minute flights from Ontario to USA

Late deals on round-trip flights to USA from Ontario, departing today and this week
21 Nov - 25 Nov
$99pp
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario

Departure points for flights from Ontario to USA

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Destination information for USA

Things to know before you go. Useful info for your trip from Ontario to USA
Flight duration
1h 58m

Airports servicing Ontario

Airports servicing

Sälen Scandinavian Mountains (SCR)

Related info for your journey

Useful info, stats and facts about Ontario to USA flights.

Flight FAQs

From Ontario to USA

What days are nonstop flights available from Ontario to USA?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 2,570 users have taken a look at flights from Ontario to United States.

What are the most popular airlines that fly from Ontario to USA?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Ontario to USA.

What are the most popular routes from Ontario to USA?

Most travelers choose Ontario - New York John F Kennedy Intl, Ontario - Seattle/Tacoma Intl or Ontario - Denver Intl when deciding on the best route from Ontario to USA.

What are the most reliable airlines from Ontario to USA?

No one likes to see their flight delayed. When booking a flight from Ontario to USA consider choosing Southwest (100%), Delta (50%) or American Airlines (0%) as they are the most reliable in getting you off to your destination on time.