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Cheap flights from Allentown (ABE) to Heathrow (LHR) from $463

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 7/10. 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
jun. 10 — jun. 171
From?
To?
lun. 6/10
lun. 6/17
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 junio 5, 2024.

Round-trip from

$643

One-way from

$505
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 $1,128. You can even find prices in January for less than $1,128, 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 58%.

What is the cheapest time of day to fly from ABE to 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 Allentown to Heathrow flights in June & July 2024

Find cheap flight options from Allentown to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 5, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1811:35 amLHR - ABE
1 stop16h 39mDelta
Deal found 6/4$839
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1812:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 6/4$843
jue. 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
mié. 6/126:50 amLHR - ABE
2 stops19h 47mUnited Airlines
Deal found 6/5$926
jue. 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
mié. 6/128:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 6/5$935
jue. 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
dom. 6/98:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 6/5$995
jue. 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
dom. 6/99:30 amLHR - ABE
2 stops17h 07mUnited Airlines
Deal found 6/5$1,100
mié. 7/37:51 pmABE - LHR
1 stop32h 14mAmerican Airlines
mié. 7/106:10 pmLHR - ABE
2 stops30h 02mAmerican Airlines
Deal found 6/4$1,114
mié. 6/512:24 pmABE - LHR
2 stops15h 26mDelta
mié. 6/1212:45 pmLHR - ABE
1 stop15h 29mDelta
Deal found 6/5$1,118
mié. 7/36:05 amABE - LHR
2 stops20h 10mDelta
mié. 7/109:20 amLHR - ABE
2 stops19h 14mDelta
Deal found 6/5$1,122

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 3,050,429 searches. Data last updated junio 5, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
dom. 9/12:50 pmABE - LHR
1 stop17h 25mKLM
sáb. 10/121:55 pmLHR - ABE
1 stop14h 31mKLM
Deal found 6/3$670
mié. 9/115:50 pmABE - LHR
1 stop14h 25mDelta
lun. 9/1611:35 amLHR - ABE
1 stop16h 31mDelta
Deal found 6/5$671
dom. 9/12:50 pmABE - LHR
1 stop17h 25mDelta
sáb. 10/1212:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 6/3$675
dom. 9/12:50 pmABE - LHR
2 stops18h 00mDelta
sáb. 10/1212:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 6/3$703
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1811:35 amLHR - ABE
1 stop16h 39mDelta
Deal found 6/4$839
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1812:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 6/4$843
mié. 9/115:40 pmABE - LHR
1 stop13h 05mUnited Airlines
lun. 9/166:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 6/5$879
jue. 8/112:32 pmABE - LHR
1 stop19h 43mKLM
jue. 8/81:55 pmLHR - ABE
1 stop14h 14mKLM
Deal found 6/3$888
jue. 8/16:05 amABE - LHR
1 stop19h 20mDelta
jue. 8/89:20 amLHR - ABE
2 stops18h 49mDelta
Deal found 6/3$893

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 3,050,429 searches. Data last updated junio 5, 2024.
Book one of these great deals on flights from Allentown to London. Tip: verify your flight details before completing your reservation.
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1811:35 amLHR - ABE
1 stop16h 39mDelta
Deal found 6/4$839
mar. 6/115:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/1812:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 6/4$843
mié. 6/125:34 pmABE - LHR
1 stop13h 11mUnited Airlines
mar. 6/258:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 6/5$1,235
mié. 6/125:49 pmABE - LHR
1 stop14h 26mDelta
mar. 6/2512:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 6/5$1,343
mié. 6/1212:27 pmABE - LHR
2 stops13h 18mDelta
mar. 6/2512:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 6/5$1,617
mié. 6/125:34 pmABE - LHR
1 stop33h 56mUnited Airlines
sáb. 6/158:30 amLHR - ABE
2 stops37h 28mUnited Airlines
Deal found 6/4$1,856
mié. 6/125:49 pmABE - LHR
2 stops37h 16mWestJet
sáb. 6/152:10 pmLHR - ABE
2 stops26h 37mWestJet
Deal found 6/4$2,466
mié. 6/125:34 pmABE - LHR
1 stop13h 11mUnited Airlines
sáb. 6/158:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 6/4$2,628

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 3,050,429 searches. Data last updated junio 5, 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.
mié. 7/105:40 pmABE - LHR
1 stop13h 05mUnited Airlines
Deal found 6/4$463
mar. 9/31:21 pmABE - LHR
3 stops46h 24mMultiple Airlines
Deal found 6/5$505
mar. 7/25:40 pmABE - LHR
1 stop13h 05mUnited Airlines
Deal found 6/4$577
mar. 9/36:05 amABE - LHR
2 stops20h 35mUndisclosed Carrier
Deal found 6/4$597
dom. 6/305:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 6/3$892
sáb. 6/225:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 6/3$967
mié. 7/106:05 amABE - LHR
3 stops25h 00mWestJet
Deal found 6/4$1,315

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 3,050,429 searches. Data last updated junio 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$670 - $1,298

Route

Depart

Return

Price

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

dom. 9/1

1 stop17h 25m

London Heathrow

sáb. 10/12

1 stop14h 31m

$670

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 9/11

1 stop14h 25m

London Heathrow

lun. 9/16

1 stop16h 31m

$671

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

dom. 9/1

1 stop17h 25m

London Heathrow

sáb. 10/12

2 stops16h 16m

$675

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

dom. 9/1

2 stops18h 00m

London Heathrow

sáb. 10/12

2 stops16h 16m

$703

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 9/11

1 stop13h 05m

London Heathrow

lun. 9/16

2 stops15h 08m

$879

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 8/1

1 stop19h 43m

London Heathrow

jue. 8/8

1 stop14h 14m

$888

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 8/1

2 stops13h 32m

London Heathrow

jue. 8/8

2 stops14h 53m

$931

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 9/12

1 stop10h 59m

London Heathrow

dom. 9/22

1 stop12h 19m

$1,015

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 7/3

1 stop31h 36m

London Heathrow

lun. 7/8

2 stops31h 14m

$1,298

Flights are sorted by cheapest first

Deals found on 6/3

What is the cheapest day 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 June 2, 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.
Search Deals

Best time to book a flight from Allentown to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Allentown with our price prediction graph.
Estimated round-trip 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.

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 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 junio 5, 2024.
To help decide which airline to fly from Allentown to London, see what other customers have to say about KLM, Delta and United 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
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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
1,493 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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
7.6
Good
718 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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
2,856 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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
10,703 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

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 KLM for just $670, but on average you can expect to pay $1,005.

  • Are there last-minute flights available from Allentown to London Heathrow Airport for under $900?

    There are currently 8+ open flights from Allentown to London Heathrow Airport within the next 7 days for less than $900.

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

    KLM, at $670, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and United Airlines.

  • What are the cheapest airlines to fly from Allentown to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $463. Undisclosed Carrier flights start at $597 while deals on Delta start at $892 one-way.

  • 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 6/5.

  • What is the cheapest month to book a flight from Allentown to London Heathrow Airport?

    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 $1,102). 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.

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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 3,050,429 searches. Data last updated junio 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$922FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$686Average$1,069FlexibilityNo cancel feeOn-time71%
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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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How does Cheapflights help users find flights from Allentown to Heathrow?

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