Cheap Flights from Boise (BOI) to Belfast (BFS)

Popular airlines from Boise Airport (BOI) to Belfast International Airport (BFS)

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Belfast Intl. Airport (BFS) cost?
Snag a cheap one-way flight or cheap return flight from Boise Airport (BOI) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Belfast Intl. Airport (BFS)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between BOI and BFS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Belfast Intl. Airport (BFS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOI to BFS flight.
How many flights per day from Boise Airport (BOI) to Belfast Intl. Airport (BFS)?
There aren't any daily direct flights departing from Boise Airport (BOI) to Belfast Intl. Airport (BFS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BOI to BFS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Belfast Intl. Airport (BFS)?
Opt for a flight from Boise Airport (BOI) to Belfast Intl. Airport (BFS) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Belfast Intl. Airport (BFS) last-minute?
Last-minute fares from BOI to BFS are usually more expensive. To lock in the cheapest rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a BOI to BFS flight and hotel package?
You'll generally save money by booking a BOI to BFS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Belfast Intl. Airport (BFS)?
Typically, you're able to cancel or reschedule your BOI to BFS flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Boise
Destination airport
Belfast Intl.
Distance
4507 mi

Book with confidence

Book with confidence

Boise to Belfast Flights

The cheapest times to fly from Boise to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boise to Belfast are during the month of . You can find some of the cheapest flights from Boise to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Belfast

Sunday is one of the best days to book for cheap flights from Boise to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boise to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boise to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boise to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boise to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boise to Belfast Flights

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*Available to One Key members.