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Flights to Allentown-Bethlehem

£469 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 9/11. 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.
Virgin Atlantic Logo
13:25 - 22:23LHR  London Heathrow-ABE Allentown-Bethlehem
13h 58m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
18:09 - 07:15ABE  Allentown-Bethlehem-LHR London Heathrow
32h 06m1 stop Atlanta Hartsfield-Jackson
£688Virgin Atlantic
Tue, 1 Sep - Mon, 7 Sep
American Airlines Logo
17:25 - 12:25LHR  London Heathrow-ABE Allentown-Bethlehem
24h 00m2 stops New York John F Kennedy Intl Charlotte Douglas
American Airlines Logo
12:48 - 10:15ABE  Allentown-Bethlehem-LHR London Heathrow
16h 27m2 stops Charlotte Douglas Toronto Pearson Intl
£691American Airlines
Wed, 16 Sep - Tue, 6 Oct
Multiple Airlines Logo
13:10 - 22:18LHR  London Heathrow-ABE Allentown-Bethlehem
14h 08m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
06:00 - 11:15ABE  Allentown-Bethlehem-LHR London Heathrow
24h 15m1 stop Chicago O'Hare Intl
£699Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Multiple Airlines Logo
11:10 - 22:18LHR  London Heathrow-ABE Allentown-Bethlehem
16h 08m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
18:20 - 11:15ABE  Allentown-Bethlehem-LHR London Heathrow
11h 55m1 stop Chicago O'Hare Intl
£700Multiple Airlines
Wed, 16 Sep - Wed, 7 Oct
Multiple Airlines Logo
13:10 - 22:18LHR  London Heathrow-ABE Allentown-Bethlehem
14h 08m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
06:00 - 11:15ABE  Allentown-Bethlehem-LHR London Heathrow
24h 15m1 stop Chicago O'Hare Intl
£701Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Delta Logo
06:15 - 17:19LHR  London Heathrow-ABE Allentown-Bethlehem
16h 04m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Delta Logo
18:03 - 06:25ABE  Allentown-Bethlehem-LHR London Heathrow
31h 22m1 stop Atlanta Hartsfield-Jackson
£708Delta
Mon, 28 Sep - Sun, 11 Oct
Delta Logo
08:55 - 22:16LHR  London Heathrow-ABE Allentown-Bethlehem
18h 21m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Delta Logo
18:04 - 11:20ABE  Allentown-Bethlehem-LHR London Heathrow
12h 16m1 stop Atlanta Hartsfield-Jackson
£709Delta
Mon, 28 Sep - Mon, 5 Oct
American Airlines Logo
15:00 - 23:22LHR  London Heathrow-ABE Allentown-Bethlehem
13h 22m1 stop Charlotte Douglas
American Airlines Logo
17:14 - 14:20ABE  Allentown-Bethlehem-LHR London Heathrow
16h 06m2 stops Charlotte Douglas Dublin
£709American Airlines
Tue, 15 Sep - Mon, 5 Oct
American Airlines Logo
09:45 - 22:18LHR  London Heathrow-ABE Allentown-Bethlehem
17h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
18:20 - 10:50ABE  Allentown-Bethlehem-LHR London Heathrow
11h 30m1 stop Chicago O'Hare Intl
£716American Airlines
Mon, 14 Sep - Mon, 5 Oct
Delta Logo
09:20 - 17:21LHR  London Heathrow-ABE Allentown-Bethlehem
13h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
13:00 - 06:25ABE  Allentown-Bethlehem-LHR London Heathrow
12h 25m1 stop Atlanta Hartsfield-Jackson
£717Delta
Tue, 29 Sep - Tue, 13 Oct

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 6 August 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 London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 1/9

13:25-22:23

1 stop13h 58m

Allentown-Bethlehem

Mon 7/9

18:09-07:15

1 stop32h 06m

£688

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 16/9

17:25-12:25

2 stops24h 00m

Allentown-Bethlehem

Tue 6/10

12:48-10:15

2 stops16h 27m

£691

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 30/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Wed 7/10

06:00-11:15

1 stop24h 15m

£699

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 16/9

11:10-22:18

1 stop16h 08m

Allentown-Bethlehem

Wed 7/10

18:20-11:15

1 stop11h 55m

£700

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 30/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Wed 7/10

06:00-11:15

1 stop24h 15m

£701

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 28/9

06:15-17:19

2 stops16h 04m

Allentown-Bethlehem

Sun 11/10

18:03-06:25

1 stop31h 22m

£708

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 28/9

08:55-22:16

2 stops18h 21m

Allentown-Bethlehem

Mon 5/10

18:04-11:20

1 stop12h 16m

£709

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 15/9

15:00-23:22

1 stop13h 22m

Allentown-Bethlehem

Mon 5/10

17:14-14:20

2 stops16h 06m

£709

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 14/9

09:45-22:18

1 stop17h 33m

Allentown-Bethlehem

Mon 5/10

18:20-10:50

1 stop11h 30m

£716
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 29/9

09:20-17:21

1 stop13h 01m

Allentown-Bethlehem

Tue 13/10

13:00-06:25

1 stop12h 25m

£717

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 12h 05m, 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

£469

Best Round-Trip Price

£674

Fastest flight time

13h 23m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £469 (London Heathrow to Allentown-Bethlehem).
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The best return flight price to Allentown from United Kingdom in the last 5 days is £674 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 23m (London Heathrow 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?

£134 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Toronto and is 72% 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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Popular Flights to Allentown

Popular routes according to searches in the past day on momondo
Manchester to Allentown-Bethlehem Flightsfrom £1,131
London to Allentown-Bethlehem Flightsfrom £941
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,132
Birmingham to Allentown-Bethlehem Flightsfrom £1,170
Bristol to Allentown-Bethlehem Flightsfrom £1,178