Cheap flights from the United States to Belfast from $211
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Belfast departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from United States to Belfast Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Belfast Intl Airport?
The month of December is, on average, the cheapest month to fly to Belfast Intl Airport from United States, with most prices found around $709. If you’re not able to fly to Belfast Intl Airport in December, then February is your next best option. Flight prices from United States to Belfast Intl Airport during February average around $742.
What is the cheapest day to depart on your flight to Belfast Intl Airport?
The cheapest day to depart on your flight to Belfast Intl Airport is on a Monday when prices can be found for as low as $654. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Belfast Intl Airport for around $845.
Cheap United States to Belfast Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Belfast Intl Airport
When did momondo last update prices for flights from United States to Belfast Intl Airport?
Prices for flights from United States to Belfast Intl Airport refresh daily.
How many operators does momondo search for flights from United States to Belfast Intl Airport?
The number of operators available for flights from United States to Belfast Intl Airport is 2 as of May 2025.
How old do you have to be to fly from United States to Belfast Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from United States to Belfast Intl Airport
Compare and see reviews for airlines that fly from United States to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $493 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 6.6 6,844 reviews |
Traveling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United States to Belfast?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Belfast. momondo saves you time and could save you money on your trip.
Can I find flights from United States to Belfast with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Belfast from United States with this policy.
How can momondo help me find flights from United States to Belfast?
Once all potential United States to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from United States to Belfast right now. Can momondo alert me if prices change?
Price alerts on flights to Belfast from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.