$244 Find Cheap Flights from Boston to Belgium - Compare and Save

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Cheap Flights from Boston to Belgium

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Sort by: Cheapest
Brussels
9h 15m2 stops
from $572per person
Booking Insights

Price, demand and travel trends for Boston to Belgium flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Boston to Belgium cheaper or more expensive than last year?

Fares from Boston to Belgium are running about 4% higher than they were around this time last year, averaging $618 round-trip.

What are the cheapest fares from Boston to Belgium right now?

The cheapest fare from Boston to Belgium in the last week was $572 round-trip, to Brussels Bruxelles-National (BRU).

What’s the cheapest month to fly from Boston to Belgium?

November is the cheapest time of year to fly, with average fares of $483. Prices are highest in December, when average flight costs increase to around $882.

When is the best time to book flights from Boston to Belgium?

Book your flights 18 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 28% compared to booking last-minute (within 2 weeks of departure).

Which airport in Belgium is the cheapest to fly to from Boston?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Belgium are:

• Brussels Bruxelles-National (BRU) from $652
• Charleroi Brussels (CRL) from $1,056

What’s the cheapest day to fly from Boston to Belgium?

Wednesday tends to be the cheapest day to fly from Boston to Belgium, while Thursday is the most expensive. Fares run about 27% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Boston to Belgium?

Data from the past 12 months shows it's cheapest to fly to Belgium during the morning with average prices of $623. The night is the most expensive time to fly, with average prices of $714.

Key details for Boston to Belgium flights

Low season

March

Cheapest flight

$244
Beat the crowds with an average 37% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Boston to Brussels Bruxelles-National Airport

Your Boston to Belgium flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Boston to Belgium?

    Fares from Boston to Belgium are around their usual level right now. A round-trip under $509 is considered a good deal, so it's worth keeping an eye out, or setting a Price Alert to catch price changes.

  • How much should I budget for a flight from Boston to Belgium?

    Over the past 12 months, round-trip fares from Boston to Belgium have ranged from $509 to $849.

  • What are the main airports serving Belgium?

    Flights to Belgium use two main airports, Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).

  • What airlines fly nonstop from Boston to Belgium?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Boston to Belgium. One-stop options include:

    • United Airlines
    • British Airways
    • TAP AIR PORTUGAL

  • Which cabin classes are available on flights from Boston to Belgium?

    On flights from Boston to Belgium you can book Economy Class, Premium Economy Class or Business Class.

  • What are some popular landmarks in Belgium?

    KAYAK travelers' favorite landmarks in Belgium include:

    • Grand Place
    • King Baudouin Stadium
    • Place Sainte-Catherine

Your guide to booking Boston to Belgium flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 18 weeks before your trip. KAYAK data shows fares in this window are around 28% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for November when flights are typically cheapest and avoid December when prices are at their highest.
  • Flying on Wednesday is usually the cheapest. Flights on Thursday cost about 27% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Brussels Bruxelles-National (BRU) is the cheapest airport to fly into from Boston. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Brussels, which is the most popular destination in Belgium. From there, it's easy to continue on to other popular destinations such as Bruges, Antwerp and Ghent.

Reviews of the top 5 airlines serving from Boston to Belgium

 
Need help choosing which airline to fly with from Boston to Belgium? 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.
7.4
Scandinavian AirlinesOverall score based on 2007 reviews
7.7Boarding
7.4Comfort
8.1Crew
6.8Entertainment
6.8Food
Airline reviews

The flight was fully booked very hot and there was no room for hand luggage. I was surprised that there was not much leg room for such tall people. My seat mate barely had room for his hand luggage and had to put his feet and knees in front of my seat. Crew was a bit brash considering a full flight and late departure because of it.

4.0 OkayTiffany, Oct 2026
Read more Scandinavian Airlines reviews

The flight was fully booked very hot and there was no room for hand luggage. I was surprised that there was not much leg room for such tall people. My seat mate barely had room for his hand luggage and had to put his feet and knees in front of my seat. Crew was a bit brash considering a full flight and late departure because of it.

Cancelled my flight. Only option had a layover in Italy. No compensation for the 4 extra hours of travel time. The travel agency, cheapflightfares, blamed Scandinavian airlines and said there was nothing they could do. Scandinavian airlines said since it was booked through a travel agency there was nothing they could do. The entire thing was incredibly frustrating. Never booking through kayak or with Scandinavian again.

The seats were really cramped. The high backs on the chairs made you feel claustrophobic.

Nothing special or negative. Pretty typical flight…no freebies in the way of food etcetera, but none were expected.

Flight delayed 3 hours 45 minutes. Connecting flight changed. Would have missed cruise ship. Had to cancel return flight, because we couldn't just cancel flight to Nice.

First off, numerous things were misrepresented. When we purchased the Economy Plus tickets the fare allegedly includes access to lounge. At Logan Airport where the signs points to, there is no longer SAS lounge. We were directed to Delta lounge, which is located at the other end of the terminal. When we got there, Delta reps told us that it is for SAS business class passengers only. The advertised seat selection 30 hrs prior to departure did not work online. When I called SAS, they told me that it was more than 30 hrs before our connecting flight in Copenhagen, although it was less than 30 hrs before the departure for Copenhagen. Customer service representatives would not provide any assistance. The tray table in my seat was not fully unfolding to be able to place the food tray on it. Therefore, I had to keep it on my laps.

Everything went very smoothly. My only complaint is how cramped the seats are for an international flight.

They were charging $$$ for first glass of wine. That first glass should be included in such a high price.

Good could have been better. Comfort was fine with decent leg room and seat comfort. Would have appreciated a USB-C charger port.

TERRIBLE! Staff was unfriendly, rude, and demeaning. One flight attendant touched me to grab the complimentary blanket off my neck because I couldn't take it home, while a bunch of other people took theirs home. I have never been so ill treated. I am not happy at all. And flight was delayed, no information until short notice for everything. Lost an entire day at my destination. I expect a full refund for that experience. Never will fly with them EVER again

Very disappointing that on an international business class flight they would not give me access to the lounge in Boston. They said it was because it was a codeshare flight. International business class should include lounge access regardless of codeshare.

Great, except the canon was so cold. Even the flight attendants put jackets on

The app logs you out right when you are boarding requiring all passwords and reservation number for the flight. Super annoying

The pre-order only approach for fresh food is really challenging

Flight was 2.5 late. Maybe not United’s fault but late none the less. We were late as well on the first leg. WiFi quit working with an hour left.

I would have preferred a flight voucher and to hop on a different flight. Delayed over 6 hours.

Boarding was great, and the crew were very friendly. The seats must have been a bit on the older side and you could feel some of the seat components through the padding. Also, the plugs did not work on the row's entertainment screen or charging ports. Checked bag was transferred for connecting flight, and we appreciated how early we had the connecting gate information.

It was Swiss. Our kosher meals were literally frozen solid and therefore inedible, and the crew didnt care.

Food was great. Staff was phenomenal. Seats were a bit hard and could use a lot more entertainment options as far as movies to choose from. WiFi was good. Overall great trip.

The flight was delayed, they didn’t even have water for the toilets or for drinks

We had a wonderful experience with Aer Lingus. The seats were too close for the long trip. The crew was absolutely perfect. They were so caring and thoughtful! My husband did not have a good experience with Air Lingus on the phone when trying to take care of getting better seating because he is disabled and needed a wheelchair prior to the day of our flight! Mariam R. in Boston was so helpful with seating and getting help for my husband. Filip Pytka who works for OCS was extremely helpful! He made sure that we had the lift because my husband could not climb the stairs to get onto the airplane. He took us from the gate all the way down to where we needed to be.

Well, I think we left close to on time. Crew was “eh”.

Seats are terribly cramped. I’m only 5’2” and my knees were practically in my face. No room to put a normal size bag under the seat and when the person in front of you reclined their seat your tray table was in your lap. This is the airline’s way of cramming more seats into the plane to make more money. I’ll think twice about taking Aer Lingus again since there are a few other options from Boston to the Emerald Isle.

The food was mediocre, the coffee was terrible. The entertaining selection was plentiful. They lost my checked luggage which put a damper on my 10-day vacation.

Weeeeeeell, you folks know economy class on Airbuses well--you're packed in like sardines. We may actually spring for more expensive seats next time, with a little room to stretch out. NO room to stretch out in Airbus economy class! :-) Apart from this, the food was decent (considering that it's mass-produced, and has severe spatial restrictions of its own), the staff were friendly enough, and there was a wide selection of movies, etc. to watch. Overall, I'd tend to use the word "adequate" rather than "exceptional" for my experience. But really, how could it be otherwise?

Food was very bad. Boarding was disorganized and messy. Crew was friendly

Gate agents kind of serious. Had to wait til arriving at gate to choose seats. Thankfully they did give us seats together! And grateful the honored our age, giving us seats at the front.

Great service on the plane and by ground staff. great prices. I was able to change seats on the plane. The allocated seats cannot be changed when checkin in online. They have to be done at the airport if you check in at the airport or on the plane by asking a stewardess / steward.

Great travel. Wonderful experience. Hope to do it again in the near future. God willing

The transatlantic flight was wonderful. The regional reminded me of jet blue. Crazy and packed. Not enough overhead space and tough on elderly.

Luggage delayed and delivers 24 hours later … broken. No resolution… no response. We don’t have a suitcase for the rest of our 2 week trip

It was great like always had all my 3 luggage and I got to my destination safely

Everything was better but france airlines more better than them

Spacious and clean aircraft. Good food. Economy will always be squeezed but thankfully I had an aisle seat for stretching exercises. Good selection of movies, particularly Spike Lee joint.

Unfriendly, 8 hours delayed, no lounge access even flying business. Don’t fly Brussels

On board service was decent. I like the legroom at UA that seems to be more than in other airlines

The flight went well, only during the flight from Brussels to Vilnius I would have liked if they had at least given us plain water to drink.

The crew and the flight were excellent, the food might be better!

This was absolutely one of the worst experiences of my life. I came to Europe for a 2 week trip and the airline was probably the most disorganized airline I’ve ever seen in my life. They lost my luggage. I had tracking on it for just such an occasion and told them EXACTLY where it was in the terminal and they somehow failed to get it out on the flight that night, since we were leaving for Switzerland the next day there was no way they would get it to our hotel in time. Seriously, take another airline at any cost. It’s not worth whatever you pay…you’ll end up paying a lot more in the end. My medication is in the bag and I can’t get to it and don’t know how I will get it.

I felt the overall quality of the plane and food service was less than that of their partner airlines, United. An example was wine was served in paper cups in premium economy class. There was no real silverware, napkins or a welcome kit other than a pillow and blanket.

Movies were old and third rate. Very poor on a seven hour flight. Food was OK but not business class caliber

On-time arrivals and departures. Crew helpful and friendly. Yet everything costs extra: seat selection, food, even airphones!

Delays at check-in, seemed like they were short ground staff at the time and some passengers needed extra processing.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

There was no lounge at Boston for us to use. Typically flying first class overseas comes with lounge privileges. The seats did not recline even a little. My headset only worked on one side. I felt like I was flying on Ryan Air, not Icelandic Air.

Still one of my favorite airlines, but the entertainment options were a bit lacking. It didn't help that my screen didn't work on one of the legs of the trip.

The plane was very small and the aisle was so narrow that every time someone walked by they rubbed against me, so it was very uncomfortable.

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

Everything was great! My only critique is 25 euro for wifi is wild, but I get it

I liked how easy my transfers between flights in Keflavik were. I would have appreciated more food options in Keflavik.

More options for your flight from Boston to Belgium

Complete your trip to Belgium with a hotel stay or car rental