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Cheap flights from the United States to Belfast Intl Airport

LAX — BFS
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from USA to Belfast Intl

Popular in

September

Cheapest in

April

Average price

£715
Highest demand for flights based on searches. 45% potential increase in price (£675 potential increase over avg. return price).
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Cheapest flight prices on average. 42% potential price decrease (£238 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from the United States to Belfast Intl Airport

What is the cheapest month to book a flight from USA to Belfast Intl Airport?

Currently, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £450). Flying from USA to Belfast Intl Airport in July is currently the most expensive (average of £1,843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • What are the most popular routes from USA to Belfast Intl Airport?

    The most popular route from USA to Belfast Intl Airport is Boston Logan Intl - Belfast Intl. You may also consider New York LaGuardia - Belfast Intl or Newark - Belfast Intl.

  • Can I find deals for flights from USA to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on USA to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from USA to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Belfast Intl.

  • Can I find deals for business class flights from USA to Belfast Intl?

    Yes. Cheapflights offers flight deals from USA to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £450). Flying from USA to Belfast Intl Airport in July is currently the most expensive (average of £1,843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry

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How does Cheapflights help users find flights from USA to Belfast Intl?

Cheapflights makes it easy to find USA to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from USA to Belfast Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from USA to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from USA to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from USA to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from USA to Belfast Intl become cheaper?

Of course! You can now track prices for flights from USA to Belfast Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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