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Cheap flights from Allentown to Brussels from $510

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Brussels departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Allentown to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:37 am - 9:00 am
ABE
-
BRU
16h 23m
1 stop
United Airlines Logo
10:10 am - 8:57 pm
BRU
-
ABE
15h 47m
1 stop
$856United Airlines
Tue, Oct 20 - Fri, Oct 30
United Airlines Logo
10:37 am - 9:00 am
ABE
-
BRU
16h 23m
1 stop
United Airlines Logo
10:10 am - 8:57 pm
BRU
-
ABE
15h 47m
1 stop
$916United Airlines
Wed, Sep 30 - Fri, Oct 30
United Airlines Logo
6:01 pm - 1:15 pm
ABE
-
BRU
37h 14m
2 stops
United Airlines Logo
9:55 am - 4:56 pm
BRU
-
ABE
37h 01m
2 stops
$941United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
10:32 am - 9:00 am
ABE
-
BRU
16h 28m
1 stop
United Airlines Logo
9:30 am - 4:56 pm
BRU
-
ABE
37h 26m
2 stops
$950United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
10:35 am - 9:00 am
ABE
-
BRU
16h 25m
1 stop
United Airlines Logo
10:15 am - 4:56 pm
BRU
-
ABE
12h 41m
1 stop
$970United Airlines
Mon, Aug 3 - Mon, Aug 17
Delta Logo
1:10 pm - 7:40 am
ABE
-
BRU
12h 30m
1 stop
Delta Logo
9:45 am - 10:26 pm
BRU
-
ABE
18h 41m
1 stop
$976Delta
Fri, Aug 28 - Fri, Sep 11
Delta Logo
1:10 pm - 7:40 am
ABE
-
BRU
12h 30m
1 stop
Delta Logo
6:20 am - 5:21 pm
BRU
-
ABE
17h 01m
2 stops
$984Delta
Fri, Aug 28 - Fri, Sep 11
Multiple Airlines Logo
5:12 pm - 7:15 pm
ABE
-
BRU
20h 03m
2 stops
Multiple Airlines Logo
10:45 am - 10:18 pm
BRU
-
ABE
17h 33m
2 stops
$1,016Multiple Airlines
Fri, Aug 28 - Fri, Sep 11
United Airlines Logo
10:37 am - 7:10 am
ABE
-
BRU
14h 33m
2 stops
United Airlines Logo
10:10 am - 8:57 pm
BRU
-
ABE
15h 47m
1 stop
$1,045United Airlines
Wed, Sep 30 - Fri, Oct 30
United Airlines Logo
10:37 am - 7:10 am
ABE
-
BRU
14h 33m
2 stops
United Airlines Logo
10:30 am - 8:57 pm
BRU
-
ABE
15h 27m
2 stops
$1,052United Airlines
Wed, Sep 30 - Fri, Oct 30

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United Airlines flights from Allentown to Brussels Bruxelles-National Airport

Our best United Airlines deals on Allentown to Brussels Bruxelles-National Airport flight tickets
United Airlines
Oct 20
ABE10:37 amAllentown-Bethlehem
16h 23m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 30
BRU10:10 amBrussels Bruxelles-National
15h 47m
1 stop
ABE8:57 pmAllentown-Bethlehem
$856
United Airlines
Sep 30
ABE10:37 amAllentown-Bethlehem
16h 23m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 30
BRU10:10 amBrussels Bruxelles-National
15h 47m
1 stop
ABE8:57 pmAllentown-Bethlehem
$916
United Airlines
Aug 22
ABE6:01 pmAllentown-Bethlehem
37h 14m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Aug 29
BRU9:55 amBrussels Bruxelles-National
37h 01m
2 stops
ABE4:56 pmAllentown-Bethlehem
$941

Delta flights from Allentown to Brussels Bruxelles-National Airport

Our best Delta deals on Allentown to Brussels Bruxelles-National Airport flight tickets
Delta
Aug 28
ABE1:10 pmAllentown-Bethlehem
12h 30m
1 stop
BRU7:40 amBrussels Bruxelles-National
Sep 11
BRU9:45 amBrussels Bruxelles-National
18h 41m
1 stop
ABE10:26 pmAllentown-Bethlehem
$976
Delta
Aug 28
ABE1:10 pmAllentown-Bethlehem
12h 30m
1 stop
BRU7:40 amBrussels Bruxelles-National
Sep 11
BRU6:20 amBrussels Bruxelles-National
17h 01m
2 stops
ABE5:21 pmAllentown-Bethlehem
$984
Delta
Aug 3
ABE1:10 pmAllentown-Bethlehem
12h 30m
1 stop
BRU7:40 amBrussels Bruxelles-National
Aug 9
BRU9:45 amBrussels Bruxelles-National
13h 37m
1 stop
ABE5:22 pmAllentown-Bethlehem
$1,206

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Brussels Bruxelles-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 11, 2026.
Use the filters below to find and compare flights from Allentown to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Tue 10/20

10:37 am-9:00 am

1 stop16h 23m

Brussels Bruxelles-National

Fri 10/30

10:10 am-8:57 pm

1 stop15h 47m

$856

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Wed 9/30

10:37 am-9:00 am

1 stop16h 23m

Brussels Bruxelles-National

Fri 10/30

10:10 am-8:57 pm

1 stop15h 47m

$916

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Sat 8/22

6:01 pm-1:15 pm

2 stops37h 14m

Brussels Bruxelles-National

Sat 8/29

9:55 am-4:56 pm

2 stops37h 01m

$941

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Sat 8/22

10:32 am-9:00 am

1 stop16h 28m

Brussels Bruxelles-National

Sat 8/29

9:30 am-4:56 pm

2 stops37h 26m

$950
Quickest round-trip

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Mon 8/3

10:35 am-9:00 am

1 stop16h 25m

Brussels Bruxelles-National

Mon 8/17

10:15 am-4:56 pm

1 stop12h 41m

$970

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Fri 8/28

1:10 pm-7:40 am

1 stop12h 30m

Brussels Bruxelles-National

Fri 9/11

9:45 am-10:26 pm

1 stop18h 41m

$976

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Fri 8/28

1:10 pm-7:40 am

1 stop12h 30m

Brussels Bruxelles-National

Fri 9/11

6:20 am-5:21 pm

2 stops17h 01m

$984

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Fri 8/28

5:12 pm-7:15 pm

2 stops20h 03m

Brussels Bruxelles-National

Fri 9/11

10:45 am-10:18 pm

2 stops17h 33m

$1,016

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Wed 9/30

10:37 am-7:10 am

2 stops14h 33m

Brussels Bruxelles-National

Fri 10/30

10:10 am-8:57 pm

1 stop15h 47m

$1,045

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Wed 9/30

10:37 am-7:10 am

2 stops14h 33m

Brussels Bruxelles-National

Fri 10/30

10:30 am-8:57 pm

2 stops15h 27m

$1,052

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Allentown to Brussels Bruxelles-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Allentown-Bethlehem to Brussels Bruxelles-National?

United Airlines and Delta are the most popular carriers operating from Allentown-Bethlehem to Brussels Bruxelles-National

What airlines fly to Brussels Bruxelles-National Airport?

United Airlines, Aer Lingus and Air Canada are the top three most popular airlines that fly to Brussels Bruxelles-National Airport from Allentown according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Brussels Bruxelles-National Airport. Keep in mind that there are 10 different airlines that fly to Brussels Bruxelles-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Brussels Bruxelles-National Airport (ABE to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Brussels Bruxelles-National Airport

Fastest flight time

16h 23m

Direct flights

None
The fastest flight from Allentown to Brussels Bruxelles-National Airport takes 16h 23m
There are no direct flights from Allentown to Brussels Bruxelles-National Airport. There are no popular flight routes from Allentown to Brussels Bruxelles-National Airport.
Search flight deals

Frequently asked questions about flying from Allentown to Brussels Bruxelles-National Airport

  • How far is Allentown-Bethlehem to Brussels Bruxelles-National by plane?

    A flight from Allentown-Bethlehem to Brussels Bruxelles-National will travel around 3724.5 mi. Typically, this will take 16h 23m by plane in normal conditions.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Brussels Bruxelles-National Airport?

    Prices for flights from Allentown-Bethlehem Airport to Brussels Bruxelles-National Airport refresh daily.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Brussels Bruxelles-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The required travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Charleroi
Mons
Zaventem
Dinant
Durbuy
Hasselt
Genk
Waterloo
Aalst
Namur
Knokke-Heist
Spa
Mechelen
Francorchamps
Tournai
Oostkamp
Halle

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Brussels?

Finding the right flight to Brussels from Allentown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

Can I find flights from Allentown to Brussels with flexible booking policies on momondo?

All flight searches from Allentown to Brussels on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Allentown to Brussels?

Once you have performed a search for Allentown to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Allentown. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Brussels Bruxelles-National Airport trip

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