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Flights to Allentown-Bethlehem

£496 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 6/9. 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.
Multiple Airlines Logo
11:00 - 22:15
LHR
-
ABE
16h 15m
1 stop
Multiple Airlines Logo
06:00 - 11:35
ABE
-
LHR
24h 35m
1 stop
£652Multiple Airlines
Fri, 13 Nov - Tue, 17 Nov
Virgin Atlantic Logo
09:55 - 23:08
LHR
-
ABE
18h 13m
2 stops
Virgin Atlantic Logo
13:08 - 12:10
ABE
-
LHR
18h 02m
2 stops
£705Virgin Atlantic
Tue, 7 Jul - Tue, 21 Jul
Virgin Atlantic Logo
09:20 - 23:08
LHR
-
ABE
18h 48m
1 stop
Virgin Atlantic Logo
18:05 - 13:15
ABE
-
LHR
14h 10m
1 stop
£737Virgin Atlantic
Thu, 9 Jul - Mon, 13 Jul
Delta Logo
08:40 - 23:08
LHR
-
ABE
19h 28m
2 stops
Delta Logo
13:08 - 12:10
ABE
-
LHR
18h 02m
2 stops
£754Delta
Thu, 9 Jul - Mon, 13 Jul
Delta Logo
08:55 - 23:08
LHR
-
ABE
19h 13m
2 stops
Delta Logo
13:08 - 12:10
ABE
-
LHR
18h 02m
2 stops
£758Delta
Thu, 9 Jul - Mon, 13 Jul
Delta Logo
13:25 - 23:08
LHR
-
ABE
14h 43m
1 stop
Delta Logo
06:30 - 13:15
ABE
-
LHR
25h 45m
1 stop
£768Delta
Thu, 9 Jul - Mon, 13 Jul
United Airlines Logo
06:50 - 16:56
LHR
-
ABE
15h 06m
2 stops
United Airlines Logo
14:30 - 07:55
ABE
-
LHR
12h 25m
1 stop
£778United Airlines
Fri, 13 Nov - Tue, 17 Nov
American Airlines Logo
08:55 - 22:53
MAN
-
ABE
18h 58m
2 stops
American Airlines Logo
17:18 - 14:00
ABE
-
MAN
15h 42m
2 stops
£782American Airlines
Tue, 24 Nov - Mon, 7 Dec
American Airlines Logo
07:50 - 22:15
MAN
-
ABE
19h 25m
2 stops
American Airlines Logo
17:14 - 14:20
ABE
-
MAN
16h 06m
2 stops
£812American Airlines
Fri, 20 Nov - Thu, 3 Dec
United Airlines Logo
06:35 - 21:12
LHR
-
ABE
19h 37m
2 stops
United Airlines Logo
14:30 - 12:00
ABE
-
LHR
16h 30m
1 stop
£837United Airlines
Thu, 5 Nov - Mon, 9 Nov

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 4 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

Fri 13/11

11:00-22:15

1 stop16h 15m

Allentown-Bethlehem

Tue 17/11

06:00-11:35

1 stop24h 35m

£652

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 7/7

09:55-23:08

2 stops18h 13m

Allentown-Bethlehem

Tue 21/7

13:08-12:10

2 stops18h 02m

£705

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/7

09:20-23:08

1 stop18h 48m

Allentown-Bethlehem

Mon 13/7

18:05-13:15

1 stop14h 10m

£737

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/7

08:40-23:08

2 stops19h 28m

Allentown-Bethlehem

Mon 13/7

13:08-12:10

2 stops18h 02m

£754

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/7

08:55-23:08

2 stops19h 13m

Allentown-Bethlehem

Mon 13/7

13:08-12:10

2 stops18h 02m

£758

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/7

13:25-23:08

1 stop14h 43m

Allentown-Bethlehem

Mon 13/7

06:30-13:15

1 stop25h 45m

£768
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 13/11

06:50-16:56

2 stops15h 06m

Allentown-Bethlehem

Tue 17/11

14:30-07:55

1 stop12h 25m

£778

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 24/11

08:55-22:53

2 stops18h 58m

Allentown-Bethlehem

Mon 7/12

17:18-14:00

2 stops15h 42m

£782

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Fri 20/11

07:50-22:15

2 stops19h 25m

Allentown-Bethlehem

Thu 3/12

17:14-14:20

2 stops16h 06m

£812

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 5/11

06:35-21:12

2 stops19h 37m

Allentown-Bethlehem

Mon 9/11

14:30-12:00

1 stop16h 30m

£837

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 14h 50m, 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

£496

Best Round-Trip Price

£652

Fastest flight time

18h 43m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £496 (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 £652 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 18h 43m (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?

£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 85% 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 £1,013
Manchester to Allentown-Bethlehem Flightsfrom £1,055
Birmingham to Allentown-Bethlehem Flightsfrom £1,198
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,148
Bristol to Allentown-Bethlehem Flightsfrom £3,571