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Cheap flights from Allentown (ABE) to Heathrow (LHR) from $488

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ABE — LHR
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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Cheap flight deals from Allentown to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Round-trip from

$643

One-way from

$488
From Allentown-Bethlehem to London Heathrow
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One-way flight from Allentown-Bethlehem to London Heathrow
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What is the cheapest day to fly round-trip from Allentown to London Heathrow Airport?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Allentown to London Heathrow Airport?

The best pricing can be found in the month of January. Prices to London Heathrow Airport from Allentown average $1,105. You can even find prices in January for less than $1,105, as users have found deals to London Heathrow Airport from as low as $827. The month of April appears to be one of the more expensive times to travel to London Heathrow Airport from Allentown. Flying in the targeted month can save you up to 62%.

When is the cheapest time to fly from Allentown to London Heathrow Airport (ABE - LHR)?

When flying from Allentown to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 48% versus a flight in the afternoon.

Cheap Delta flights from Allentown to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Allentown and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the cheapest Delta flights we've come across from Allentown to London. Come back soon if you're not finding the exact deal you're looking for.
Mon 9/235:40 pmABE - LHR
1 stop12h 30mDelta
Tue 10/811:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 5/16$625
Wed 10/26:30 amABE - LHR
1 stop18h 55mDelta
Sun 10/611:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 5/16$675
Wed 7/1712:35 pmABE - LHR
1 stop12h 50mDelta
Mon 9/231:55 pmLHR - ABE
1 stop14h 31mDelta
Deal found 5/16$698
Thu 7/185:51 pmABE - LHR
1 stop14h 24mDelta
Tue 9/2412:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 5/16$703
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Thu 9/199:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 5/14$708
Wed 9/46:30 amABE - LHR
1 stop18h 55mDelta
Wed 9/186:30 amLHR - ABE
2 stops21h 56mDelta
Deal found 5/14$709
Tue 9/32:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/1712:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 5/14$719
Fri 6/1412:27 pmABE - LHR
2 stops15h 48mDelta
Wed 6/193:15 pmLHR - ABE
2 stops25h 32mDelta
Deal found 5/15$725
Fri 6/146:05 amABE - LHR
2 stops22h 10mDelta
Wed 6/1912:45 pmLHR - ABE
1 stop33h 24mDelta
Deal found 5/15$730

Cheap KLM flights from Allentown to Heathrow

Explore cheap flight options specifically provided by KLM for the route between Allentown and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
To aid your search, here are some of the cheapest KLM flights we've found from Allentown to London. Deals are refreshing constantly so come back soon for more options.
Wed 9/42:55 pmABE - LHR
1 stop17h 20mKLM
Thu 9/1911:35 amLHR - ABE
1 stop16h 51mKLM
Deal found 5/14$715
Thu 9/52:55 pmABE - LHR
1 stop17h 20mKLM
Wed 9/181:55 pmLHR - ABE
1 stop14h 31mKLM
Deal found 5/14$765
Wed 7/316:00 amABE - LHR
1 stop19h 25mKLM
Wed 8/71:55 pmLHR - ABE
1 stop14h 31mKLM
Deal found 5/15$865

Cheap Allentown to Heathrow flights in May & June 2024

Find cheap flight options from Allentown to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Fri 6/1412:27 pmABE - LHR
2 stops15h 48mDelta
Wed 6/193:15 pmLHR - ABE
2 stops25h 32mDelta
Deal found 5/15$725
Fri 6/146:05 amABE - LHR
2 stops22h 10mDelta
Wed 6/1912:45 pmLHR - ABE
1 stop33h 24mDelta
Deal found 5/15$730
Wed 6/126:40 amABE - LHR
1 stop18h 15mUnited Airlines
Sat 6/228:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 5/15$907
Wed 6/126:40 amABE - LHR
1 stop18h 15mUnited Airlines
Sat 6/229:30 amLHR - ABE
2 stops17h 07mUnited Airlines
Deal found 5/15$912
Thu 6/2012:27 pmABE - LHR
2 stops15h 48mDelta
Tue 6/259:00 amLHR - ABE
2 stops19h 14mDelta
Deal found 5/15$913
Wed 5/226:00 amABE - LHR
2 stops19h 45mDelta
Mon 5/278:40 amLHR - ABE
2 stops19h 37mDelta
Deal found 5/15$914
Wed 5/226:00 amABE - LHR
2 stops20h 15mDelta
Mon 5/2712:45 pmLHR - ABE
1 stop15h 32mDelta
Deal found 5/15$919
Wed 6/266:05 amABE - LHR
2 stops22h 10mDelta
Mon 7/11:55 pmLHR - ABE
1 stop14h 19mDelta
Deal found 5/15$920
Fri 6/2812:27 pmABE - LHR
2 stops18h 48mDelta
Wed 7/311:35 amLHR - ABE
1 stop16h 39mDelta
Deal found 5/15$980

Allentown to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Allentown and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Mon 9/235:40 pmABE - LHR
1 stop12h 30mDelta
Tue 10/811:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 5/16$625
Wed 7/1712:35 pmABE - LHR
1 stop12h 50mDelta
Mon 9/231:55 pmLHR - ABE
1 stop14h 31mDelta
Deal found 5/16$698
Thu 7/185:51 pmABE - LHR
1 stop14h 24mDelta
Tue 9/2412:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 5/16$703
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Thu 9/199:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 5/14$708
Wed 9/46:30 amABE - LHR
1 stop18h 55mDelta
Wed 9/186:30 amLHR - ABE
2 stops21h 56mDelta
Deal found 5/14$709
Wed 9/42:55 pmABE - LHR
1 stop17h 20mKLM
Thu 9/1911:35 amLHR - ABE
1 stop16h 51mKLM
Deal found 5/14$715
Tue 9/32:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/1712:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 5/14$719
Fri 6/1412:27 pmABE - LHR
2 stops15h 48mDelta
Wed 6/193:15 pmLHR - ABE
2 stops25h 32mDelta
Deal found 5/15$725
Fri 6/146:05 amABE - LHR
2 stops22h 10mDelta
Wed 6/1912:45 pmLHR - ABE
1 stop33h 24mDelta
Deal found 5/15$730

Allentown to Heathrow flights leaving soon

Find last-minute flight options from Allentown to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Book one of these great deals on flights from Allentown to London. Tip: verify your flight details before completing your reservation.
Wed 5/226:00 amABE - LHR
2 stops19h 45mDelta
Mon 5/278:40 amLHR - ABE
2 stops19h 37mDelta
Deal found 5/15$914
Wed 5/226:00 amABE - LHR
2 stops20h 15mDelta
Mon 5/2712:45 pmLHR - ABE
1 stop15h 32mDelta
Deal found 5/15$919
Wed 5/226:00 amABE - LHR
2 stops20h 15mDelta
Mon 5/2712:45 pmLHR - ABE
1 stop15h 32mDelta
Deal found 5/16$1,012
Wed 5/2212:01 pmABE - LHR
2 stops13h 54mAmerican Airlines
Mon 5/271:40 pmLHR - ABE
2 stops15h 42mAmerican Airlines
Deal found 5/16$1,018
Wed 5/226:35 amABE - LHR
1 stop18h 20mUnited Airlines
Mon 5/278:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 5/16$1,107
Mon 5/205:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Thu 6/61:05 pmLHR - ABE
1 stop13h 32mUnited Airlines
Deal found 5/16$1,231
Thu 5/305:34 pmABE - LHR
1 stop13h 11mUnited Airlines
Thu 6/68:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 5/16$1,320
Thu 5/305:34 pmABE - LHR
1 stop13h 11mUnited Airlines
Thu 6/66:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/16$1,424
Mon 5/205:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Thu 6/66:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/16$1,783

One-way flights to Heathrow from Allentown

Search for one-way flight options from Allentown to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best available deals we've found on one-way flights from Allentown to London. Users in need of a round-trip flight from Allentown to London instead should update the search form at the top of page.
Tue 6/115:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 5/15$488
Thu 9/195:40 pmABE - LHR
1 stop14h 35mDelta
Deal found 5/16$503
Fri 6/215:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 5/15$538
Fri 6/215:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 5/16$634
Thu 9/196:30 amABE - LHR
2 stops18h 50mUnited Airlines
Deal found 5/16$637
Thu 6/205:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 5/15$999

Find flights from Allentown to Heathrow within your budget

Customize your flight search to find flights from Allentown to Heathrow 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$625 - $1,507

Route

Depart

Return

Price

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Mon 9/23

1 stop12h 30m

London Heathrow

Tue 10/8

1 stop16h 51m

$625

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 10/2

1 stop18h 55m

London Heathrow

Sun 10/6

1 stop16h 51m

$675

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 9/4

1 stop17h 20m

London Heathrow

Thu 9/19

1 stop16h 51m

$715

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 11/5

1 stop10h 33m

London Heathrow

Mon 11/11

1 stop17h 17m

$736

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 11/5

1 stop10h 33m

London Heathrow

Mon 11/11

2 stops14h 22m

$741

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 9/5

1 stop17h 20m

London Heathrow

Wed 9/18

1 stop14h 31m

$765

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Mon 9/23

1 stop13h 05m

London Heathrow

Tue 10/8

2 stops14h 58m

$776

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 9/4

2 stops17h 55m

London Heathrow

Wed 9/18

1 stop16h 51m

$804

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 7/31

2 stops24h 40m

London Heathrow

Wed 8/7

3 stops45h 04m

$1,507

Flights are sorted by cheapest first

Deals found on 5/16

When is the cheapest time to fly from Allentown to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Allentown to Heathrow. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Allentown to London Heathrow Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Heathrow by month

Plan your trip from Allentown to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Allentown to Heathrow is currently $633 while a round-trip flight costs $816. Price data was last updated on May 12, 2024.

Currently, November is the cheapest month in which you can book a flight from Allentown to London Heathrow Airport (average of $653). Flying from Allentown to London Heathrow Airport in June is currently the most expensive (average of $1,150). 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.

January

$673

February

$662

March

$715

April

$692

May

$733

June

$1,150

July

$976

August

$775

September

$745

October

$708

November

$653

December

$672

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 16, 2024.
To help decide which airline to fly from Allentown to London, see what other customers have to say about Delta, KLM and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.7
Good
735 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,919 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Allentown to Heathrow. 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 from for flights from Allentown to London Heathrow?

    Allentown-Bethlehem (ABE) is the airport you will fly out of if you book a flight from Allentown to London Heathrow. You should not have trouble finding flights to London Heathrow from Allentown-Bethlehem; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Allentown airport to London Heathrow. It is only a 3.9 mi journey to Allentown-Bethlehem (ABE) from Allentown’s city center.

  • Can I find flights from Allentown to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Allentown to London Heathrow Airport for under $700. The cheapest flight booked recently is on Delta for just $625, but on average you can expect to pay $734.

  • Are there last-minute flights available from Allentown to London Heathrow Airport for under $1,000?

    There are currently 17+ open flights from Allentown to London Heathrow Airport within the next 7 days for less than $1,000.

  • What are the cheapest airlines flying from Allentown to London Heathrow Airport round-trip?

    Delta, at $625, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and American Airlines.

  • What does ABE to LHR mean?

    Great question - ABE to LHR just means Allentown-Bethlehem Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Allentown to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Allentown to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Allentown to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Allentown to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Allentown to Heathrow that allow pets onboard?

    Many airlines flying from Allentown to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Allentown to Heathrow?

    Yes, you can often find last-minute deals on Allentown to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Allentown to London Heathrow Airport flight deals updated?

    The Allentown to London Heathrow Airport flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Allentown to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Allentown to Heathrow

Discover the top 2 airlines that operate flights from Allentown to Heathrow. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$839FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$652Average$1,063FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Allentown to Heathrow by cabin class

Find flights from Allentown to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Flights to Miyakojima Hirara

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