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 | $384 (Mytrip) |
|---|---|
One-way from | $226 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $671 |
Fly from
Fly to
Route
Depart
Return
Price
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Sat 12/6
6:40 pm-7:50 am
1 stop31h 10m
Brussels Bruxelles-National
Tue 12/16
11:55 am-10:45 pm
2 stops16h 50m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Wed 11/12
11:45 am-7:50 am
2 stops14h 05m
Brussels Bruxelles-National
Wed 11/19
10:00 am-7:20 pm
2 stops15h 20m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Thu 1/29
7:07 pm-7:15 am
1 stop30h 08m
Brussels Bruxelles-National
Fri 2/6
10:00 am-9:32 am
1 stop29h 32m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Sat 1/17
7:22 pm-7:15 am
1 stop29h 53m
Brussels Bruxelles-National
Sun 1/25
10:00 am-10:02 am
2 stops30h 02m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Thu 1/8
7:50 pm-11:55 am
1 stop10h 05m
Brussels Bruxelles-National
Thu 1/15
12:50 pm-5:50 pm
1 stop11h 00m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Fri 1/9
10:30 am-8:55 am
2 stops16h 25m
Brussels Bruxelles-National
Tue 1/13
10:00 am-2:17 pm
2 stops34h 17m
NewarkBrussels
EWR - BRU
EWRBRU
Newark
Fri 3/6
8:35 am-9:40 am
2 stops19h 05m
Brussels Bruxelles-National
Sun 3/15
6:55 pm-2:25 pm
1 stop24h 30m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Thu 1/15
10:03 am-9:40 am
2 stops17h 37m
Brussels Bruxelles-National
Fri 1/23
10:20 am-3:50 pm
1 stop11h 30m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Wed 11/19
3:40 pm-7:50 am
1 stop10h 10m
Brussels Bruxelles-National
Sun 11/23
10:00 am-6:32 pm
2 stops14h 32m
BostonBrussels
BOS - BRU
BOSBRU
Boston Logan Intl
Sun 11/16
6:00 am-7:15 am
2 stops19h 15m
Brussels Bruxelles-National
Fri 12/19
9:00 am-6:35 pm
2 stops15h 35m
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 $438). 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.
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Anonymous,Jul 2025
OSL - CPH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$206 | Average$789 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$256 | Average$582 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$322 | Average$583 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$352 | Average$587 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$355 | Average$865 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$697 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$397 | Average$893 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$406 | Average$842 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$410 | Average$752 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$431 | Average$886 | FlexibilityNo cancel fee | On-timeN/A |