$159 Find Cheap Flights from Boston to Brussels

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 Brussels departing on 4/19. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Brussels.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Brussels.
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Flight Deals

Cheap Flights from Boston to Brussels (BOS-BRU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Brussels

Tue, Mar 24 - Fri, Apr 3
United Airlines Logo
10:15 am - 7:50 amBOS-BRU
16h 35m1 stop
United Airlines Logo
10:45 am - 11:54 pmBRU-BOS
19h 09m1 stop
$383United Airlines
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Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
10:45 am - 7:50 amBOS-BRU
15h 05m2 stops
Multiple Airlines Logo
7:00 am - 2:52 pmBRU-BOS
13h 52m2 stops
$384Multiple Airlines
Find Deal
Sat, Mar 28 - Tue, Apr 7
Air Canada Logo
7:55 pm - 7:05 amBOS-BRU
30h 10m2 stops
Air Canada Logo
9:40 am - 9:52 amBRU-BOS
30h 12m2 stops
$385Air Canada
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Thu, Feb 19 - Thu, Mar 5
Icelandair Logo
11:35 am - 11:55 amBOS-BRU
18h 20m1 stop
Icelandair Logo
12:50 pm - 5:50 pmBRU-BOS
11h 00m1 stop
$389Icelandair
Find Deal
Wed, Nov 19 - Sun, Nov 23
Brussels Airlines Logo
3:40 pm - 7:50 amBOS-BRU
10h 10m1 stop
Brussels Airlines Logo
10:00 am - 2:52 pmBRU-BOS
10h 52m1 stop
$393Brussels Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Air Canada Logo
3:40 pm - 7:50 amBOS-BRU
10h 10m1 stop
Air Canada Logo
10:00 am - 7:12 pmBRU-BOS
15h 12m1 stop
$395Air Canada
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Sat, Jan 10 - Fri, Jan 16
Aer Lingus Logo
5:10 pm - 9:35 amBOS-BRU
10h 25m1 stop
Aer Lingus Logo
10:15 am - 6:59 pmBRU-BOS
14h 44m1 stop
$405Aer Lingus
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Sun, Jan 11 - Sun, Jan 18
Aer Lingus Logo
9:15 pm - 6:15 pmBOS-BRU
15h 00m1 stop
Aer Lingus Logo
10:15 am - 6:59 pmBRU-BOS
14h 44m1 stop
$408Aer Lingus
Find Deal
Wed, Nov 19 - Sun, Nov 23
Brussels Airlines Logo
3:40 pm - 7:50 amBOS-BRU
10h 10m1 stop
Brussels Airlines Logo
10:00 am - 2:52 pmBRU-BOS
10h 52m1 stop
$416Brussels Airlines
Find Deal
Sat, Jan 10 - Thu, Jan 15
Icelandair Logo
7:50 pm - 11:55 amBOS-BRU
10h 05m1 stop
Icelandair Logo
12:50 pm - 5:50 pmBRU-BOS
11h 00m1 stop
$443Icelandair
Find Deal

Everything you should know

Top airlines
United Airlines
Cheapest • from $383 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
BOS-BRU
Cheapest
BOS-BRU
Most popular
Insights
Insights
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
Insights
Insights
Nonstop flights
3 days a week
There are direct flights from Boston to Brussels 3 days a week: Wed, Fri, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
Cheapest round-trip
$383
Typical prices: $510-$713
United Airlines
Tue 3/24Fri 4/3
BOS - BRU • 1 stop
Cheapest one-way
$159
Typical prices: $349-$511
Delta
Sun 4/19
BOS - BRU • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Brussels!
Booking Insights

KAYAK's insights & trends for Boston to Brussels flights

Get data-powered insights and trends into flights from Boston to Brussels to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Brussels?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Brussels departing in March.

What is the cheapest Boston to Brussels flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Boston to Brussels costs $931 on the route between Boston (BOS) and Brussels Bruxelles-National Airport (BRU). It is also the most popular route.

What’s the cheapest day of the week to fly from Boston to Brussels?

The average price of all round-trip flights from Boston to Brussels clicked on KAYAK for each day over the last 12 months.

When flying from Boston to Brussels, you should consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to Boston, you’ll find the best rates on Wednesdays and the most expensive ones on Saturdays.

What is the cheapest month to fly from Boston to Brussels?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Brussels, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Brussels is November, where tickets cost $489 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $719 and $663 respectively.

How far in advance should I book a flight from Boston to Brussels?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Brussels, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Brussels, you should book around 3 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Cheapest flight$159
Flight from Boston to Brussels Airport

When to book flights from Boston to Brussels

Are your dates flexible? Find out the best times to travel from Boston to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Brussels

  • What is the cheapest flight from Boston to Brussels?

    In the last 3 days, the lowest price for a flight from Boston to Brussels was $159 for a one-way ticket and $383 for a round-trip.

  • Do I need a passport to fly between Boston and Brussels?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Brussels.

  • Which aircraft models fly most regularly from Boston to Brussels?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Brussels?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Boston and Brussels, with oneworld being the most commonly used for this route.

  • What is the most popular layover when flying to Brussels from Boston?

    Reykjavik is the most popular layover city among KAYAK users traveling from Boston to Brussels.

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

    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 Brussels.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels 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 Brussels?

    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 Brussels 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 Brussels?

    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 Brussels from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Boston to Brussels?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Brussels.
Find which airlines fly direct from Boston Logan Intl Airport to Brussels, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Brussels

Wednesday

Hainan Airlines

Hainan Airlines

Friday

Hainan Airlines

Hainan Airlines

Sunday

Hainan Airlines

Hainan Airlines

See more direct flights

Direct returns

Brussels to Boston Logan Intl

See more direct flights

Reviews of the top 5 airlines serving from Boston to Brussels

 
See real verified KAYAK customer reviews for airlines flying from Boston to Brussels. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Brussels? 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
United AirlinesOverall score based on 9000 reviews
7.1Entertainment
7.3Comfort
7.7Boarding
6.6Food
8.1Crew
Airline reviews

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

10.0 ExcellentKaren, Nov 2025EWR - LAX
Read more United Airlines reviews

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

My experience on this United Airlines flight was highly uncomfortable, primarily due to two issues: Cabin Temperature: The temperature on the Boeing 737 MAX 8 was unacceptably high, feeling consistently around 80 degrees throughout the flight. This made sleeping impossible and significantly detracted from the experience. Seating Arrangement: Being stuck in a middle seat for a six-and-a-half-hour overnight flight compounded the discomfort. Moving forward, I will always purchase a seat assignment to avoid this situation.

Premium Plus is a really good idea for longer flights

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

The person I bought the ticket for didn’t make the flight.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

Experience was great overall. However, the connection time between my flights (1hr 15 mins) was too short. We had to get through security check and US immigration in that time, and I made it to the gate just as they were announcing it was about to close. Flights with such a short connection time should maybe not be offered for purchase, or an advance alert would be helpful. Other than that the in-flight experience was excellent, especially the food. Many thanks!

UNDERPRISER IS A CRIMINAL ORGANIZATION. I WILL NEVER LET THEM MANAGE ANOTHER TRIP. THEY ESSENTIALLY WERE TRYING TO EXTORT ME FOR "Permission" FROM THEM not TO USE MY ROME TO DUBLIN FLIGHT. I did not use this flight, and despite many communications with both Aer Lingus and Underpricers, to the end, they insisted I could not do this, while Aer Lingus kept telling me there was no problem. And in fact, I had zero problems catching that second leg of the trip home from Dublin to LAX.. As if harrassment, underpricers sent me a rude and insensitve email insisting Aer Lingus would not honor the flight home to LAX from DUB. ON THE MORNING OF THE TRAVEL!!! KAYAK SHOULD NOT USE UNDERPRICER "services" They are dishonest and sadistic.

Fast and sensible boarding was absolutely amazing. But extortionate wifi and seats that barely moved, making me unable to sleep, didn't do a lot of favors.

I liked the front row seats. A lot of leg room. The check-in window needs to be longer

Conveyer belt at the check in area stopped working and check in process was significantly slowed down.

Better food than other airlines and the flight staff was very attentive and nice.

My flights with Aer Lingus were very good and I will definitely fly with them. Again in future trips to Ireland and Scotland.

Too hot. Asked for an extra glass of water and was ignored. Asked to sit in empty seats that were open because it was so hot and crowded and was denied and the seats were empty the entire flight

Terrible leg room - I’m 5’3” and my knees were touching the seat in front of me. When the person sitting in front of me leaned back, there was about 15 inches of space between my head and the TV screen which made it awkward to view movies. Last year they had decent food, but this year the only tasty item on the trip was dessert.

The flight was delayed leaving Philadelphia due to “catering” and consequently arrived in Dublin some 75 minutes later than scheduled. Consequently this caused me to miss my connecting flight to Glasgow and I had to spend the night in Dublin.

Flight from London was delayed so missed the connecting flight. Taking 2 days to get to destination which should have only taken a few hours.

Too cramped up for the better seats I paid for.

I didn’t like my seat in my return flight from Montreal to Orlando at all; considering I paid extra for better seats. That middle seat was cramped up way too much.

Suitcase didn’t arrive to Stockholm. Chairs y comfy and not even water is offered

Bad baggage and people management at boarding forcing me to dispatch my bad despite being the perfect size and respecting everything perfectly, whereas many did not and many free empty spots on the plane as usual… making me loose time and my planned bus at arrival to go to Geneva. Costing me 100 euros extra! So Brussels airlines needs to refund me

I never board the flight. My visa was delayed and when I tried calling Kayak, no one answer and I still have not heard from anyone.

All great. Very efficient. Good emails that kept us in the know

Original flight was canceled, booked another one and find out when checking I was on the waiting list. Horrible experience

Actually this is my first time using airline I was in every single thing that happened throughout our journey, the appearance of the plane inside furnished about the seating the flight attendants and many many more I was so excited throughout thank you Brussels Airlines for the great service.

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

They had a 4 hour delay and left my luggage in Iceland and it didn’t arrive in Portland until 11/1

The boarding process seem to take longer than necessary, resulting in a 20+ minute delay

It was too cold in the plane my feet froze

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

The crew was wonderful at check in, the gate and on board. Felt the luggage had more room than the passengers. The seats were smaller than most domestic U.S. airlines. I'm only 5'2" and I had little legroom. There were only 2 bathrooms in coach. Needed more. The flight was very smooth but not the most comfortable.

Airlines have to stop assuming passengers bring entertainment. Provide it like you used to in business class and above!! N

I don't know about the others but the flight attendant that took care of us had the absolute wrong approach "how do we dare asking for water or anything else for that matter"

Flying on the Boeing 787 from Seattle to London was everything that I expected. Every thing was great.

Not my definition of first class. No leg room and barely any recline. The food was good. The crew was great. The comfort for the price I paid for London to Cairo was highway robbery. The Wi-Fi didn't work for me either.

Seat pitch is not enough to eat comfortably. When seat in front is reclined, your screen comes closer to your face. Ryanair seats are actually more comfortable.

The leg from Portland to Heathrow was great for a business class ticket. The BA leg from Heathrow to Lisbon was terrible. Basically coach seating with an empty seat between you and next passenger. Absolutely no leg room. Should not have been charged for business class and it was a 3 hour flight.

The flat beds. Other than that, the place was not clean.

Moved me away from my family and refused to fix it.

I have always been pleased with their service. Would not change a thing

Seating and food was the worst we have experienced in 35 years of traveling for both personal and busines .

Everything you need to know for your flight from Boston to Brussels

Information on your arrival and departure airports

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