Find flights
Deals
When to book
FAQs & Tips
Airlines

Find cheap flights from Boston to Northern Ireland from $291

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Northern Ireland departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 5/16
Thu 5/23

Search hundreds of travel sites at once for deals on flights to Northern Ireland

In the last 7 days travelers have searched 43,990,755 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Best Northern Ireland Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Belfast
Belfast1 stop$609

Good to know

Low season

January

High season

August

Cheapest flight

$291
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 24% increase in price.
Flight from Boston to Belfast Intl Airport

FAQs - booking Northern Ireland flights

  • How does KAYAK find such low prices on flights from Boston to Northern Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Northern Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Northern Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Northern Ireland from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Northern Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Northern Ireland with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Northern Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Northern Ireland from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Boston to Northern Ireland

 
Need help choosing which airline to fly with from Boston to Northern Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 11123 reviews
8.2boarding
8.6crew
7.9comfort
7.5food
8.0entertainment
Airline reviews

The crew, food, and entertainment were all good. But my screen had some sort of bug where if I turned it off, it would turn back on after 2-5 minutes. At full brightness. It made it very hard to get any shut-eye on the overnight flight. Also, the older Boeing plane, while nicely cared for (and no doors fell off 😅👏) doesn't have the nice air quality of newer planes. So I felt a bit greasy by the time we landed in Sweden.

8.0 ExcellentDaniel, Apr 2024JFK - ARN
Read more about Delta reviews

The crew, food, and entertainment were all good. But my screen had some sort of bug where if I turned it off, it would turn back on after 2-5 minutes. At full brightness. It made it very hard to get any shut-eye on the overnight flight. Also, the older Boeing plane, while nicely cared for (and no doors fell off 😅👏) doesn't have the nice air quality of newer planes. So I felt a bit greasy by the time we landed in Sweden.

It was a crowded flight. They did the best they could.

Service was good for such a short flight. Small plane but smooth flight.

Worst flight in my life. Only was scheduled for a 45 min flight to get our connection flight. It was late by 40 minutes and we missed our connection. Delta was totally useless trying to help and unable to get my family on the next flight because they overbooked it Thus had to get a hotel at my expense and lost a day at Disney as a result. Cost me about a $1000 if you add 2 hotels meals shuttles etc to get thru the day Awful customer service by Delta in Detroit totally useless people

The experience was good and the flight departed on time and landed early

The flight was delayed but we got to our final destination.

Seats in first class on the E175 recline too far back. I was in 2A, and the man in 1A fully reclined almost the entire flight. It took 6-7 inches of space away from me and made it very difficult to work on my laptop.

Mario was great. Made a night flight on a small aircraft pleasant and memorable.

Crew were exceptional. Plane was quiet and quite empty, so I had a row to sleep across.

The seat could use more support or cushion. I'm in my 50's and have back issues so the seats are a bit hard for longer flights.

Excellent. Planes are a little older and could get some refurbishment, but besides that everything was excellent.

Crew experience was more transnational, seats were so close together (LtoR and FtoB) that it was difficult to enjoy much of anything. When the person in front leaned back, there is no space for me. Sadly it was a flight to be endured not experienced.

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

Not impressed with check in desk staff at Vancouver airport. Not a professional mind service and not cared or tried to help. Don’t think I would fly with them again

Seats were very comfortable. Crew were excellent. Food very good.

Flight crew was especially thoughtful and attentive, made sure our seats were comfortable so we could rest on the long flight

Everything went smooth. All flights were on time No changing gates, . No changing flights . It was like a completely different airlines tha n the last time I used Cathay Pacific . The last flight, 2 months ago, I had before this one was from Philippines also . I got changed in Manila and was told it only added 2 hours onto my flight . My 20 hour return trip ended up being 30 hours return with a 10.0 hour layover in New York with no seats anywhere . Everyone was sleeping or sitting on the floor . Unlike the hotel I was given in Manila to wait for this flight home . I never thought I would use Cathay Pacific again . But I did and this time you were great! I should have complained about the flight and layover from Hell a couple months ago. Consider that I am complaining about that august/23 flight now . Thank you got the great flying experience on my way home from philippines .

Everything was good food could be better but ok for economy on my 2nd flight the head ph jack are bad you have to hold pushed in to hear anything but other then that very nice service

Would have liked working outlets on the flight. The first meal was very bleh, the second meal was a lot better so overall okay meals

I had back trouble prior to my flight and everyone was great about helping me.

My tv was broken on the flight which is disappointing when you pay for a seat and expect a service

Always delays from Boston to Salt lake but this time was very long. Don’t understand while they board the passengers and then make them sit in the plane

The boarding and flight were ok, but there were several painful issues. The flight was 3:20 in the air and almost four hours door to door, but they only had snack packs on the plane. They really need to have food on longer flights or make it clear to everyone that they won’t have food. They also advertise free WiFi, but it did not work for 90% of this flight. Again, almost four hours door to door. If I had known I was flying spirit for JetBlue prices then I would have planned differently.

Service for food to our seat was a bit slow. Snack choices were just pretzels or baked chips. My seat cushion was not attached. Other than Barbie, video choice were not very good or current.

After we landed, we were held on the plane for 30 minutes. There was no one at the gate once we landed and we forced to sit on a plan that had already over an hour delayed.

almost 4 hour delay as they over booked and had to wait for 8-10 volunteers to agree to travel next day.

Old plane. No outlets for laptop or phone. Seats worn out. Area around seat dirty.

I loved the flight and the crew. It was comfortable and smooth.

The crew was openly hostile and condescending to the customers. They spent the majority of that time in the rear talking and seemed really agitated when people asked questions. I heard five different people told that the information they requested was in the handout or safety brief.

The return trip was a customer service disaster. American Airlines needs an overhaul of how they treat their customers.

Was flying in premium eco and there were around 5-6 movies I wanted to watch and none of those could I play for some reasons. Not just me we checked w the person sitting next to me. Few of the movies were only playable :( Also that was not great that we couldn't upgrade to business however tried to, many times before the flight :(

You cancelled my flight by email then made it very difficult to get in contact with you. Then put me in a flight with a long layover in Mexico returning to the wrong airport in uk. Mind blowing my stressful. I missed see my grand dad because of you.

This was not the BA business class it used to be. Mediocre food, attendants seemed stretched thin. All the little luxuries that used to make BA business fun were missing. Flight delayed and the explanation given was they forgot to pick up crew - I hope I misheard! Transfer in LHR “sticky” - we thought we had way too much time at 3hours but it was needed. Next time will try different route.

delayed delayed delayed. was supposed to have a 2 hour layover and very nearly missed my connection.

Always getting updates by email very easy to check in on line. There was plenty of checking in staff to get you all through. It was nice that the flight attendants took time to talk to you and were interested in your holiday.

Flight from Phoenix to London was very quiet. Excellent space available for comfort, couldn't fault

Despite a bumpy flight the pilot was great. The rest of the crew on the other hand couldn’t care less if a passenger would colapse and die. Horrible service, robot like, lifeless…

No service due to turbulence. No entertainment on this type of aircraft. But nice old comfortable seats.

Food was very average. And top up drinks offer was absent. For a 11 hour long flight that should be the minimum. The crew didn't want to be there. I understand it was new year day but given they had signed up for it

The weight limit per bag was really low - 40 lbs - so we had to pay extra. Then, they said their carry on size was 14x18x8, and we measured our bag very carefully. It was within the limit, yet they said it was too big, so we ended up paying an extra $100 for that too!! So it wasn’t the cheap flight we thought it would be. Then, they moved up our initial flight to depart 3 hours earlier which meant we had to be out on the road by 7 am and then have a 6 hour layover and we got home at 2am. It was a grueling day. I won’t be flying with them again.

Overall it was a good experience. Stewards were very kind and professional. The departure and arrival times were as promised. Plane was clean.

The seat are terrible. Don’t even think of sleeping on a Spirit flight. The kids that run the plane aka flight attendants are pretty rude and straight forward. They get the job done but without class.

No frills, limited comfort, no food, no entertainment, but fine

I had a death in my family and booked my flight on Spirit. My flight was cancelled the morning of my flight, no explanation, no help to rebook, nobody to talk to. The next available flight was 2days later !!!! Terrible airline, will NEVER fly with them again!

Flight was canceled. Knew there was weather, and were notified of 20 min delayed, and then suddenly canceled. Next reschedule was for 2 days. No help other than to refund. Thankfully full refund and appreciate that. I appreciate discounted airline but felt they could've done more for customer inconvenience.

The seat was very uncomfortable from Boston to Nashville. Otherwise the flight was excellent.

Terrible as usual!!!! Very unprofessional and rude flight attendants! You get what you pay for! HORRIBLE

There was a .79 discrepancy between the cost of the flight and what was paid. Spirit didn't let me obtain my boarding pass until the .79 (seventy nine cents) was paid. Contacting their customer service to resolve the issue was a nightmare that involved many wait minutes and two different departments. The price Kayak gave to Affirm, whom I used to pay for the tickets, and the price Spirit charged for the flight were off by the .79. I almost lost the ticket because of the hassle.

My experience was above excellent!!!! First the lady that pushed me in the wheelchair to the gate was outstanding!!! Then the ladies at the gate went over and beyond, by helping me fill out the immigration form! I would not have been able to get to Guatemala without their help!!! God bless them all! They were amazing 🙏❤️🙏

Book cheap flights from Boston to Northern Ireland

Recent round-trip flight deals

10/2Wed
1 stop
10h 35mBOS-BHD
10/9Wed
1 stop
11h 10mBHD-BOS
$609
10/2Wed
2 stopsAmerican Airlines
13h 15mBOS-BHD
10/9Wed
1 stopAmerican Airlines
9h 55mBHD-BOS
$616
9/1Sun
1 stop
10h 15mBOS-BHD
9/14Sat
1 stop
14h 55mBHD-BOS
$625
10/2Wed
2 stopsAmerican Airlines
13h 15mBOS-BHD
10/9Wed
2 stopsAmerican Airlines
14h 45mBHD-BOS
$626
9/1Sun
2 stopsAmerican Airlines
14h 25mBOS-BHD
9/14Sat
1 stopAmerican Airlines
24h 45mBHD-BOS
$631
4/28Sun
1 stopBritish Airways
13h 15mBOS-BHD
5/2Thu
1 stopBritish Airways
10h 40mBHD-BOS
$639
4/28Sun
1 stopBritish Airways
11h 20mBOS-BHD
5/2Thu
2 stopsBritish Airways
13h 56mBHD-BOS
$649
5/12Sun
1 stopAmerican Airlines
12h 50mBOS-BHD
5/24Fri
1 stopAmerican Airlines
10h 20mBHD-BOS
$741
6/2Sun
2 stopsDelta
18h 35mBOS-BHD
6/10Mon
2 stopsDelta
27h 25mBHD-BOS
$855
6/5Wed
2 stopsDelta
20h 20mBOS-BHD
6/10Mon
2 stopsDelta
31h 27mBHD-BOS
$957

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/19Thu
2 stops
25h 48mBOS-BFS
$291
9/19Thu
2 stops
23h 48mBOS-BHD
$303
9/1Sun
2 stops
34h 45mBOS-BFS
$332
9/1Sun
1 stopAmerican Airlines
13h 20mBOS-BHD
$359
9/1Sun
2 stopsAmerican Airlines
13h 30mBOS-BHD
$364
9/2Mon
2 stops
31h 30mBOS-BFS
$365
6/12Wed
2 stops
20h 45mBOS-BFS
$383
6/12Wed
2 stops
20h 45mBOS-BFS
$387
9/1Sun
1 stop
20h 25mBOS-BFS
$422
9/2Mon
3 stops
19h 45mBOS-BHD
$429

Search by stops

Search by airline

Search by price

Last minute flights from Boston to Northern Ireland

Last minute flight, train and bus deals

4/20Sat
multi-stopBritish Airways
10h 00mBOS-BHD
5/3Fri
multi-stopBritish Airways
14h 40mBHD-BOS
$608
4/21Sun
multi-stopBritish Airways
12h 50mBOS-BHD
5/1Wed
multi-stopBritish Airways
11h 10mBHD-BOS
$609
4/20Sat
multi-stopAmerican Airlines
11h 00mBOS-BHD
4/27Sat
multi-stopAmerican Airlines
24h 40mBHD-BOS
$610
4/21Sun
multi-stopAmerican Airlines
15h 25mBOS-BHD
5/1Wed
multi-stopAmerican Airlines
11h 55mBHD-BOS
$616
4/20Sat
multi-stopAmerican Airlines
11h 00mBOS-BHD
4/27Sat
multi-stopAmerican Airlines
18h 55mBHD-BOS
$620
4/21Sun
multi-stopAmerican Airlines
15h 25mBOS-BHD
5/1Wed
multi-stopAmerican Airlines
14h 08mBHD-BOS
$626
4/20Sat
multi-stopBritish Airways
9h 30mBOS-BHD
4/27Sat
multi-stopBritish Airways
24h 40mBHD-BOS
$637
4/20Sat
multi-stopLufthansa
10h 20mBOS-BHD
5/3Fri
multi-stopLufthansa
37h 03mBHD-BOS
$648
4/20Sat
multi-stop
21h 25mBOS-BHD
5/3Fri
multi-stop
13h 00mBHD-BOS
$981
4/20Sat
multi-stop
21h 25mBOS-BHD
5/3Fri
multi-stop
13h 00mBHD-BOS
$984

Search by stops

Search by airline

Search by price

Boston - Northern Ireland Flights

Departure:

Boston (BOS)United States

Return flight deals:

Northern Ireland - Boston

Cabin classes: