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 | $381 (CrystalTravel) |
|---|---|
One-way from | $243 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,265 |
Fly from
Fly to
Route
Depart
Return
Price
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Tue 12/30
6:40 pm-1:15 pm
2 stops36h 35m
Brussels Bruxelles-National
Tue 1/20
10:00 am-11:49 pm
2 stops43h 49m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Tue 1/13
12:08 pm-7:15 am
2 stops13h 07m
Brussels Bruxelles-National
Fri 1/23
10:00 am-7:42 pm
1 stop15h 42m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Mon 1/12
12:08 pm-7:15 am
2 stops13h 07m
Brussels Bruxelles-National
Tue 1/20
11:15 am-6:57 pm
2 stops13h 42m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Mon 1/26
10:15 am-7:50 am
1 stop15h 35m
Brussels Bruxelles-National
Mon 2/2
10:00 am-2:17 pm
2 stops34h 17m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Fri 1/23
1:30 pm-8:05 am
1 stop12h 35m
Brussels Bruxelles-National
Thu 1/29
10:00 am-11:07 am
2 stops31h 07m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Thu 3/12
10:15 am-7:50 am
1 stop16h 35m
Brussels Bruxelles-National
Wed 3/18
10:00 am-7:12 pm
1 stop14h 12m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Mon 1/12
3:40 pm-8:25 am
2 stops34h 45m
Brussels Bruxelles-National
Tue 1/20
7:00 am-2:52 pm
2 stops13h 52m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Fri 3/13
2:00 pm-8:00 am
1 stop13h 00m
Brussels Bruxelles-National
Thu 3/19
10:00 am-6:54 pm
1 stop13h 54m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Wed 3/11
2:00 pm-8:00 am
1 stop13h 00m
Brussels Bruxelles-National
Mon 3/16
10:00 am-6:54 pm
1 stop13h 54m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Tue 2/17
3:35 pm-7:50 am
1 stop10h 15m
Brussels Bruxelles-National
Sun 2/22
10:00 am-9:32 am
1 stop29h 32m
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 10% 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. Saturday afternoons 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.
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jul 2025
OSL - CPH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$206 | Average$794 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$256 | Average$550 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$322 | Average$590 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$345 | Average$717 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$869 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$590 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$386 | Average$769 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$397 | Average$866 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$406 | Average$803 | FlexibilityNo cancel fee | On-time70% |