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Find Cheap Flights from Belfast to Idaho Falls – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Belfast to Idaho Falls

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Belfast to Idaho Falls

Multiple Airlines Logo
BF1  Bere Ferrers-IDA Idaho Falls Fanning Field
4392 mimulti-stop
Multiple Airlines Logo
IDA  Idaho Falls Fanning Field-BF1 Bere Ferrers
4392 mimulti-stop
Multiple Airlines
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When to book flights from Belfast to Idaho Falls

Are your dates flexible? Find out the best times to travel from Belfast to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Belfast to Idaho Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which cabin classes can I book on flights from Belfast to Idaho Falls?

    Only Economy class is available on flights from Belfast to Idaho Falls.

  • Do I need a passport to fly from Belfast to Idaho Falls?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Which car hire options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car hire companies, with daily rates starting from around £26 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • Which airports can I use when flying from Belfast to Idaho Falls?

    Flights from Belfast to Idaho Falls may depart from several airports in Belfast area, including Belfast Intl (BFS) and Belfast City (BHD). Flights usually arrive at Idaho Falls Fanning Field (IDA).

  • Can I save money by using flexible dates for flights from Belfast to Idaho Falls?

    Yes. Being flexible with your travel dates can save you up to 30% on the Belfast to Idaho Falls route. Tuesday is the cheapest departure day at £664 return on average, while Friday is the most expensive at £943, a difference of £279. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Belfast and Idaho Falls?

    Idaho Falls is 7 hours behind Belfast (Mountain Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Belfast to Idaho Falls flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average £664 – about £279 less than Friday (30% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.
    - Quality Inn Idaho Falls
    - Comfort Suites Idaho Falls
    - Best Western Driftwood Inn

More options for your flight from Belfast to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car hire

Car hire in Idaho Falls
Hotels in Idaho Falls