Flights from Belfast to Idaho

Flight deals from Belfast to Idaho

Looking for cheap flights from Belfast to Idaho, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

How to find cheap flights from Belfast to Idaho

Ready to join the other savvy travelers booking the cheapest one-way and round-trip flights to Idaho? Here are a few tips to help you do it the smart way.

Fly from Belfast City into Boise

At the moment, the lowest-priced flight tickets to Idaho are from Belfast City Airport to Boise Airport.

Fly in December

We crunched the flight calendar and found the cheapest time to fly from Belfast to Idaho is currently December.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Belfast to anywhere you choose in Idaho.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Belfast to Idaho go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Idaho to Idaho flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Belfast to Idaho flight price?

We looked at all of the upcoming round-trip flights from Belfast to Idaho we could find over the next 12 months. It looks like 379 103 Ft is the best price. This is good, compared to the average Idaho ticket price of 379 103 Ft.

What is the cheapest month to fly from Belfast to Idaho?

The cheapest month to fly from Belfast to Idaho is currently December.

On which upcoming date is it cheapest to fly from Belfast to Idaho?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Idaho on Wednesday, December 10, 2025.