US$551 Cheap Flights from Ontario to Belfast (ONT-BFS)

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Cheap Flights from Ontario to Belfast

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Cheap Flights from Ontario to Belfast starting at US$551

Book one-way or return flights from Ontario to Belfast from as little as US$551. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Ontario to Belfast? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Ontario to Belfast. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Ontario to Belfast

View airlines operating flights from Ontario to Belfast. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$551

Delta Air Lines

From US$578

Jetblue Airways

From US$695

IBERIA

From US$734

United Airlines

From US$778

ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to Belfast

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to Belfast.

Cheapest
ONT
07:36
23h 44m
2 transfer
BHD
15:20
Ontario International Airport - George Best Belfast City Airport
Tue, Jul 9Frontier Airlines
US$551
ONT
22:00
31h 5m
2 transfer
BFS
13:05
Ontario International Airport - Belfast International Airport
Sat, Jul 13Delta Air Lines
US$578
ONT
22:00
31h 5m
2 transfer
BFS
13:05
Ontario International Airport - Belfast International Airport
Sat, Jul 13Delta Air Lines
US$578
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Ontario (ONT) to Belfast (BFS) the cheapest?
Airlines adjust prices for flights from Ontario to Belfast based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Ontario (ONT) to Belfast (BFS) cost?
According to Trip.com's data, the lowest price is around US$1,098.
What is the transportation method from the main airport to downtown in Belfast?
- The distance from Belfast International Airport to downtown is about 19km, by taxi about 30 minutes.
- The distance from George Best Belfast City Airport to downtown is about 4km, by taxi about 20 minutes.
How many airports in Belfast?
There are 2 airports near Belfast: George Best Belfast City Airport and Belfast International Airport.

How to find a cheap flight from Ontario to Belfast

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 Belfast. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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