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Cheap flights from Brighton to Allentown from £403

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ABE
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Brighton to Allentown

Keep the following information in mind while searching for Brighton to Allentown flight deals. Data was last updated 5 November 2025.

Round-trip from

£727

One-way from

£403

Popular in

December

Cheapest in

April

Average price

£590
United Airlines
  • United Airlines
  • 2/12-9/12
  • 2 total stops
  • 26h 17m total
  • Brighton to Allentown
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Delta
  • Delta
  • 19/1
  • 1 total stop
  • 13h 23m total
  • Brighton to Allentown
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Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Brighton to Allentown

Enter your travel dates to find the best prices.

Cheapest flights from Brighton to Allentown
Explore the most affordable flight options available from Brighton to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Tue 2/1207:25LHR - ABE
1 stop14h 22mUnited Airlines
Tue 9/1213:00ABE - LHR
1 stop11h 55mUnited Airlines
Deal found 4/11£727
Fri 19/1208:55LHR - ABE
1 stop13h 19mVirgin Atlantic
Fri 26/1212:49ABE - LHR
1 stop17h 51mVirgin Atlantic
Deal found 4/11£898
Fri 19/1210:45LHR - ABE
1 stop16h 26mMultiple Airlines
Fri 26/1218:04ABE - LHR
2 stops32h 01mMultiple Airlines
Deal found 4/11£978
Sat 8/1109:00LHR - ABE
2 stops17h 16mUnited Airlines
Sat 15/1113:00ABE - LHR
1 stop11h 55mUnited Airlines
Deal found 3/11£1,087
Sat 8/1110:45LHR - ABE
1 stop16h 30mDelta
Sat 15/1118:00ABE - LHR
1 stop12h 40mDelta
Deal found 3/11£1,196
Thu 18/1213:35LHR - ABE
1 stop13h 12mUnited Airlines
Thu 25/1206:17ABE - LHR
1 stop18h 38mUnited Airlines
Deal found 3/11£1,198
Fri 19/1207:25LHR - ABE
1 stop19h 22mUnited Airlines
Fri 26/1206:17ABE - LHR
1 stop18h 38mUnited Airlines
Deal found 4/11£1,641
Sat 13/1208:55LHR - ABE
1 stop13h 19mDelta
Fri 9/117:58ABE - LHR
1 stop12h 42mDelta
Deal found 3/11£1,727
Sat 8/1114:50LHR - ABE
2 stops31h 29mWestJet
Sat 15/1112:56ABE - LHR
2 stops18h 54mWestJet
Deal found 3/11£11,005

Cheapflights Fare Finder

 
Customise your flight search to find flights from Brighton to Allentown 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, Cheapflights users made 858,174 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Brighton to Allentown that are best for you.

Fly from

Brighton

Fly to

Allentown

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 2/12

07:25-16:47

1 stop14h 22m

Allentown-Bethlehem

Tue 9/12

13:00-05:55

1 stop11h 55m

£727

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 27/3

14:45-00:14

1 stop13h 29m

Allentown-Bethlehem

Tue 31/3

13:48-07:45

2 stops12h 57m

£818

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 19/12

08:55-17:14

1 stop13h 19m

Allentown-Bethlehem

Fri 26/12

12:49-11:40

1 stop17h 51m

£898

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 19/12

10:45-22:11

1 stop16h 26m

Allentown-Bethlehem

Fri 26/12

18:04-07:05

2 stops32h 01m

£978

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 18/12

13:35-21:47

1 stop13h 12m

Allentown-Bethlehem

Thu 25/12

06:17-05:55

1 stop18h 38m

£1,198

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 19/12

07:25-21:47

1 stop19h 22m

Allentown-Bethlehem

Fri 26/12

06:17-05:55

1 stop18h 38m

£1,641

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 13/12

08:55-17:14

1 stop13h 19m

Allentown-Bethlehem

Fri 9/1

17:58-11:40

1 stop12h 42m

£1,727

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 19/1

08:55-17:18

1 stop13h 23m

£403

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 11/12

16:10-15:53

2 stops28h 43m

£475

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 11/12

15:50-12:14

1 stop25h 24m

£505

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 14 results
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Best time to book a flight from Brighton to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Brighton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Brighton to Allentown

What is the cheapest month to book a flight from Brighton to Allentown?

Currently, November is the cheapest month in which you can book a flight from Brighton to Allentown (average of £231). Flying from Brighton to Allentown in June is currently the most expensive (average of £366). 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.

How much does it cost for a return flight from Brighton to Allentown?

Related info for your journey

Find useful and relevant information for your journey from Brighton to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Allentown from Brighton?

    If you book a flight to Allentown from Brighton, you will be flying to Allentown-Bethlehem, which is the city’s only airport. Allentown-Bethlehem (ABE) is located 3.9 mi from the center of Allentown. There are 0 flights from Brighton to Allentown-Bethlehem per day from 1 airline.

  • How long is the flight from Brighton to Allentown?

    United Airlines and American Airlines can get you from Brighton to Allentown in just under 13h 29m. Your travel time can differ by up to 53m. Airlines will cover a distance of 3507 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Brighton to Allentown that include hotel bookings?

    Yes. In addition to deals on Brighton to Allentown flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Brighton to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brighton to Allentown.

  • Can I find deals for business class flights from Brighton to Allentown?

    Yes. Cheapflights offers flight deals from Brighton to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Brighton to Allentown?

    Currently, November is the cheapest month in which you can book a flight from Brighton to Allentown (average of £231). Flying from Brighton to Allentown in June is currently the most expensive (average of £366). 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.

See more FAQs

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Top airline flying from Brighton to Allentown

Discover the top airline that operate flights from Brighton to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£544Average£616FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Brighton to Allentown?

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Millions of users choose and trust Cheapflights to book the best flight deals from Brighton to Allentown for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Brighton to Allentown with no change fees?

Need flexible booking options for your flight to Allentown from Brighton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Brighton to Allentown become cheaper?

Yes! Start tracking prices for Brighton to Allentown flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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