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Flights to Allentown-Bethlehem

£523 Cheap flights to Allentown

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Allentown departing on 8/8. 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

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Find the cheapest flights from the United Kingdom to Allentown

Cheap return flights

Enter your travel dates to find the best prices.
Finnair Logo
12:00 - 00:21
LHR
-
ABE
17h 21m
1 stop
Finnair Logo
17:12 - 10:30
ABE
-
LHR
12h 18m
1 stop
£640Finnair
Wed, 1 Jul - Wed, 15 Jul
Finnair Logo
18:05 - 18:32
LHR
-
ABE
53h 27m
2 stops
Finnair Logo
06:01 - 10:30
ABE
-
LHR
23h 29m
1 stop
£667Finnair
Wed, 1 Jul - Wed, 15 Jul
United Airlines Logo
07:30 - 09:35
LHR
-
ABE
31h 05m
2 stops
United Airlines Logo
06:20 - 09:20
ABE
-
LHR
22h 00m
2 stops
£696United Airlines
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
07:30 - 17:08
LHR
-
ABE
38h 38m
2 stops
United Airlines Logo
10:37 - 11:55
ABE
-
LHR
20h 18m
1 stop
£698United Airlines
Wed, 23 Sep - Sun, 27 Sep
Finnair Logo
12:15 - 00:23
LHR
-
ABE
17h 08m
2 stops
Finnair Logo
06:01 - 08:05
ABE
-
LHR
21h 04m
1 stop
£701Finnair
Thu, 2 Jul - Fri, 17 Jul
American Airlines Logo
15:00 - 00:23
LHR
-
ABE
14h 23m
1 stop
American Airlines Logo
17:12 - 10:30
ABE
-
LHR
12h 18m
1 stop
£701American Airlines
Mon, 13 Jul - Sun, 19 Jul
United Airlines Logo
07:30 - 17:08
LHR
-
ABE
38h 38m
2 stops
United Airlines Logo
17:46 - 10:15
ABE
-
LHR
35h 29m
2 stops
£704United Airlines
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
08:00 - 23:08
MAN
-
ABE
20h 08m
2 stops
British Airways Logo
19:10 - 15:10
ABE
-
MAN
15h 00m
2 stops
£936British Airways
Mon, 27 Jul - Mon, 3 Aug
Multiple Airlines Logo
14:20 - 14:03
EDI
-
ABE
28h 43m
1 stop
Multiple Airlines Logo
07:30 - 10:10
ABE
-
EDI
21h 40m
2 stops
£992Multiple Airlines
Wed, 5 Aug - Mon, 10 Aug
American Airlines Logo
11:25 - 22:40
EDI
-
ABE
40h 15m
2 stops
American Airlines Logo
16:57 - 16:30
ABE
-
EDI
18h 33m
2 stops
£1,022American Airlines
Tue, 4 Aug - Tue, 11 Aug

momondo Fare Finder

 
Locate flights to Allentown-Bethlehem that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 16 June 2026.
Use the filters below to find and compare flights to Allentown that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 1/7

12:00-00:21

1 stop17h 21m

Allentown-Bethlehem

Wed 15/7

17:12-10:30

1 stop12h 18m

£640

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 1/7

18:05-18:32

2 stops53h 27m

Allentown-Bethlehem

Wed 15/7

06:01-10:30

1 stop23h 29m

£667

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-09:35

2 stops31h 05m

Allentown-Bethlehem

Sun 27/9

06:20-09:20

2 stops22h 00m

£696

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-17:08

2 stops38h 38m

Allentown-Bethlehem

Sun 27/9

10:37-11:55

1 stop20h 18m

£698

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 2/7

12:15-00:23

2 stops17h 08m

Allentown-Bethlehem

Fri 17/7

06:01-08:05

1 stop21h 04m

£701
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 13/7

15:00-00:23

1 stop14h 23m

Allentown-Bethlehem

Sun 19/7

17:12-10:30

1 stop12h 18m

£701

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-17:08

2 stops38h 38m

Allentown-Bethlehem

Sun 27/9

17:46-10:15

2 stops35h 29m

£704

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Mon 27/7

08:00-23:08

2 stops20h 08m

Allentown-Bethlehem

Mon 3/8

19:10-15:10

2 stops15h 00m

£936

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 5/8

14:20-14:03

1 stop28h 43m

Allentown-Bethlehem

Mon 10/8

07:30-10:10

2 stops21h 40m

£992

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Tue 4/8

11:25-22:40

2 stops40h 15m

Allentown-Bethlehem

Tue 11/8

16:57-16:30

2 stops18h 33m

£1,022

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Allentown flights insights and trends

Explore insights for your Allentown flight to craft the best travel plan

How long does it take to fly to Allentown?

If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into Allentown, then you can expect flight times to average 7h 45m and 11h 15m, respectively.

Cheapest flights to Allentown-Bethlehem

Find the cheapest flights to Allentown-Bethlehem from your nearest city or airport

Cheap Allentown flight deals and tips

Summary info about Allentown flight prices, duration and airlines

Best One-Way Price

£523

Best Round-Trip Price

£640

Fastest flight time

28h 23m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £523 (London Heathrow to Allentown-Bethlehem).
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The best round-trip flight price to Allentown from United Kingdom in the last 5 days is £640 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 28h 23m (Manchester to Allentown-Bethlehem).
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Frequently asked questions about flying to Allentown

Is there an alternative airport near Allentown?

Allentown-Bethlehem Airport, Trenton-Mercer Airport, Philadelphia Airport, Wilkes-Barre Scranton Airport or Lancaster Airport can be an alternative airport used for travel to Allentown.

Is there a cheaper alternative to flying into Allentown?

Wilkes-Barre Scranton Airport has an average price of £284 per person and is typically the cheapest airport to fly into when visiting Allentown. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Allentown?

£81 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Boston and is 82% cheaper than most flights to Allentown. To find the cheapest price to Allentown from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Allentown-Bethlehem Airport?

Prices for flights to Allentown-Bethlehem Airport were last updated today.

How old do you have to be to fly to Allentown-Bethlehem 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 to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The required travel and health documents for your Allentown-Bethlehem 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 Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Allentown. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Allentown on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Allentown?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Allentown.

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

Of course. momondo tracks the price of Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Allentown

Popular Flights to Allentown

Popular routes according to searches in the past day on momondo
London to Allentown-Bethlehem Flightsfrom £860
Manchester to Allentown-Bethlehem Flightsfrom £1,104
Birmingham to Allentown-Bethlehem Flightsfrom £1,088
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,078
Bristol to Allentown-Bethlehem Flightsfrom £3,571