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Cheap Flights from Ontario to Belfast $848.15

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Cheapest Flights from Ontario to Belfast (ONT to BFS)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Ontario Airports

Orange County


Long Beach


Interesting Facts About Flights from Ontario to Belfast (ONT to BFS)

Question : Are you paying the cheapest or highest price for your ticket to Belfast?
Answer : Flight prices fluctuate much less than the majority of routes from the United States for ONT to BFS. They range from $741 to $957. However, the sooner you book, the better price you tend to get.

Question : Who's offering the cheapest round-trip flight to Belfast International Airport (BFS) over the coming months?
Answer : Prices are hitting as high as $957 over the next three months when flying to BFS from ONT. Check out American Airlines, as they have been booking customers at just $741.

Question : How many days should you spend in Belfast?
Answer : Travelers from ONT to BFS stay 17 days on average.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The lowest-cost day to fly in March is Monday. Flexibility is paramount when booking travel plans in order to keep travel costs down.