In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from Belfast to USA?

When deciding which route to take from Belfast to USA consider Belfast Intl - New York John F Kennedy Intl, Belfast Intl - New York LaGuardia or Belfast Intl - Newark as they are the most popular.

What is the cheapest time of day to fly from BFS to US?

When flying from Belfast to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Belfast to USA?

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

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

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

Find Cheap Flights from Belfast to the United States

Find flight deals from Belfast to USA

Popular in	December
Cheapest in	January
Average price	£556

Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Belfast to USA (average of £452). Flying from Belfast to USA in July is currently the most expensive (average of £907). 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.

Reviews of airlines servicing USA

Check out reviews from past customers who have flown with American Airlines and British Airways from Belfast to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.0

Good

12,075 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

American Airlines

7.0

Good

12,075 reviews

American Airlines

7.0

Good

12,075 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

British Airways

6.7

Okay

8,227 reviews

American Airlines

7.0

Good

12,075 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Related info for your journey

What are the most popular routes from Belfast to USA?
When deciding which route to take from Belfast to USA consider Belfast Intl - New York John F Kennedy Intl, Belfast Intl - New York LaGuardia or Belfast Intl - Newark as they are the most popular.
Can I find deals for flights from Belfast to USA that include hotel bookings?
Yes. In addition to deals on Belfast to USA flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to USA.
Can I find deals for business class flights from Belfast to USA?
Yes. Cheapflights offers flight deals from Belfast to USA 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 Belfast to USA?
Currently, February is the cheapest month in which you can book a flight from Belfast to USA (average of £452). Flying from Belfast to USA in July is currently the most expensive (average of £907). 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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Alternative routes for Belfast to USA

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Top 2 airlines flying from Belfast to USA

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£243	Average£726	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£559	Average£663	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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

Cheapflights helps you search for flights from Belfast to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to USA 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 Belfast to USA with no change fees?

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Belfast today and book when prices fit your budget.

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Cheap flights from Belfast to the United States

Find flight deals from Belfast to USA

Popular in

Cheapest in

Average price

Cheapflights Insights

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

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 24 September 2026.

Check out reviews from past customers who have flown with American Airlines and British Airways from Belfast to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the most popular routes from Belfast to USA?

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

How can I find direct flights from Belfast to USA?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to USA

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to USA by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Belfast to USA by cabin class

Find flights from Belfast to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and USA flights

Browse other Belfast and USA flight options. Last updated on 24 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast to USA flights

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Consider these flights travelling to USA regions.

Top 2 airlines flying from Belfast to USA

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

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

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

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

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