United Polaris offers lie-flat seats with Saks Fifth Avenue bedding on long-haul routes.
United Premium Plus includes extra legroom and upgraded meals on international routes.

Round-trip from | $383 (Mytrip) |
|---|---|
One-way from | $179 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $957 |
Fly from
Fly to
Route
Depart
Return
Price
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mié. 3/18
2:00 pm-8:00 am
1 stop13h 00m
Brussels Bruxelles-National
mar. 4/28
10:45 am-1:03 am
1 stop20h 18m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
lun. 1/26
3:40 pm-7:50 am
1 stop10h 10m
Brussels Bruxelles-National
mié. 2/4
5:00 pm-11:49 pm
1 stop12h 49m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mar. 3/17
5:28 pm-8:00 am
1 stop33h 32m
Brussels Bruxelles-National
mar. 4/28
10:45 am-1:03 am
1 stop20h 18m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
sáb. 3/21
4:45 pm-8:00 am
1 stop34h 15m
Brussels Bruxelles-National
mar. 4/28
10:45 am-1:03 am
1 stop20h 18m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mié. 1/21
10:30 am-7:15 am
2 stops14h 45m
Brussels Bruxelles-National
mar. 1/27
11:15 am-6:57 pm
2 stops13h 42m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mié. 3/18
12:40 pm-8:00 am
1 stop14h 20m
Brussels Bruxelles-National
mié. 4/8
6:20 am-6:30 pm
1 stop18h 10m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
lun. 3/16
11:10 am-8:00 am
1 stop15h 50m
Brussels Bruxelles-National
lun. 4/13
3:10 pm-4:30 pm
1 stop31h 20m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mié. 3/18
7:05 am-7:50 am
2 stops19h 45m
Brussels Bruxelles-National
mar. 4/28
9:25 am-5:57 pm
1 stop14h 32m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
mié. 3/18
7:05 am-7:50 am
2 stops19h 45m
Brussels Bruxelles-National
mié. 4/22
9:25 am-2:52 pm
1 stop11h 27m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
vie. 1/16
5:30 am-7:50 am
1 stop20h 20m
Brussels Bruxelles-National
mié. 1/21
10:10 am-9:38 pm
1 stop17h 28m
Currently, February is the cheapest month in which you can book a flight from USA to Brussels (average of $316). Flying from USA to Brussels in June is currently the most expensive (average of $437). 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.
When flying from USA to Brussels, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the afternoon.
Travelers seeking maximum savings on their USA to Brussels flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 42% of weekly flights between United States and Brussels have experienced delays in the past year, with the average delay time being 201 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Air Europa have had the lowest number of delays on this route, with just 18% of flights being delayed.
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Crew
Food
Boarding
Overall
Entertainment
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$206 | Average$794 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$256 | Average$603 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$322 | Average$589 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$345 | Average$748 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$590 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$697 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$397 | Average$891 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$406 | Average$831 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$408 | Average$896 | FlexibilityNo cancel fee | On-time75% |