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

Delta, at $671, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Virgin Atlantic.

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 6/6.

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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 $671, but on average you can expect to pay $1,032.

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

There are currently 5+ open flights from Allentown to London Heathrow Airport within the next 7 days for less than $900.

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.

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.

Flights from Allentown, PA to London Heathrow Airport (LHR) from $488

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Cheap flight deals from Allentown to Heathrow

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

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

vie. 7/53:00 pmABE - LHR

1 stop17h 15mVirgin Atlantic

vie. 7/126:15 amLHR - ABE

2 stops21h 54mVirgin Atlantic

Deal found 6/5$946

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

lun. 7/225:51 pmABE - LHR

1 stop14h 24mVirgin Atlantic

mié. 7/3112:45 pmLHR - ABE

1 stop15h 49mVirgin Atlantic

Deal found 6/5$1,063

vie. 7/53:00 pmABE - LHR

2 stops14h 30mDelta

vie. 7/129:20 amLHR - ABE

2 stops18h 49mDelta

Deal found 6/5$1,065

lun. 7/225:40 pmABE - LHR

1 stop13h 05mUnited Airlines

mié. 7/319:30 amLHR - ABE

2 stops17h 08mUnited Airlines

Deal found 6/5$1,098

Allentown to Heathrow 2024 flight deals

These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.

mié. 9/115:50 pmABE - LHR

1 stop14h 25mDelta

lun. 9/1611:35 amLHR - ABE

1 stop16h 31mDelta

Deal found 6/5$671

mié. 9/115:40 pmABE - LHR

1 stop13h 05mUnited Airlines

dom. 9/156:50 amLHR - ABE

2 stops15h 08mUnited Airlines

Deal found 6/5$692

mié. 9/115:40 pmABE - LHR

1 stop13h 05mUnited Airlines

dom. 9/158:30 amLHR - ABE

1 stop13h 28mUnited Airlines

Deal found 6/5$701

mié. 9/1812:26 pmABE - LHR

1 stop12h 59mVirgin Atlantic

dom. 9/2212:45 pmLHR - ABE

1 stop15h 21mVirgin Atlantic

Deal found 6/5$808

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

lun. 8/126:40 amABE - LHR

1 stop18h 15mUnited Airlines

mar. 8/208:30 amLHR - ABE

2 stops18h 18mUnited Airlines

Deal found 6/6$878

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. 6/66:40 amABE - LHR

1 stop18h 15mUnited Airlines

mié. 6/126:50 amLHR - ABE

2 stops19h 47mUnited Airlines

Deal found 6/5$926

Allentown to Heathrow flights leaving soon

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

One-way flights to Heathrow from Allentown

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.

dom. 8/255:51 pmABE - LHR

1 stop12h 19mDelta

Deal found 6/5$488

mar. 9/31:21 pmABE - LHR

3 stops46h 24mMultiple Airlines

Deal found 6/5$505

sáb. 8/242:50 pmABE - LHR

1 stop12h 00mDelta

Deal found 6/5$548

mar. 7/25:40 pmABE - LHR

1 stop13h 05mUnited Airlines

Deal found 6/4$577

vie. 6/145:34 pmABE - LHR

1 stop33h 56mUnited Airlines

Deal found 6/5$713

mar. 8/272:50 pmABE - LHR

1 stop12h 00mDelta

Deal found 6/5$762

vie. 6/145:34 pmABE - LHR

2 stops21h 06mUnited Airlines

Deal found 6/5$818

vie. 9/62:50 pmABE - LHR

1 stop12h 00mDelta

Deal found 6/5$822

vie. 6/215:49 pmABE - LHR

1 stop12h 21mDelta

Deal found 6/5$854

Find flights from Allentown to Heathrow within your budget

Fly from

Fly to

Budget

$671 - $1,837

Route

Depart

Return

Price

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

mié. 9/11

1 stop13h 05m

London Heathrow

dom. 9/15

2 stops15h 08m

$692

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 9/11

1 stop13h 05m

London Heathrow

dom. 9/15

1 stop13h 28m

$701

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mié. 9/18

1 stop12h 59m

London Heathrow

dom. 9/22

1 stop15h 21m

$808

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

vie. 7/5

1 stop17h 15m

London Heathrow

vie. 7/12

2 stops21h 54m

$946

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

jue. 7/4

1 stop17h 15m

London Heathrow

mar. 7/9

1 stop14h 14m

$1,153

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

lun. 7/22

3 stops30h 50m

London Heathrow

mié. 7/31

3 stops35h 12m

$1,173

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

mar. 6/25

2 stops14h 23m

London Heathrow

lun. 7/8

2 stops15h 13m

$1,837

Flights are sorted by cheapest first

Deals found on 6/5

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

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

Temperature and rainfall in Heathrow by month

LON Temperature	39.2 - 62.6 °F

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

To help decide which airline to fly from Allentown to London, see what other customers have to say about Delta, KLM 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

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

Reviews

1 / 10

KLM

7.9

Good

1,489 reviews

Delta

8.0

Very good

10,368 reviews

Reviews

1 / 10

Virgin Atlantic

7.6

Good

718 reviews

Delta

8.0

Very good

10,368 reviews

Reviews

1 / 10

United Airlines

7.4

Good

10,696 reviews

Delta

8.0

Very good

10,368 reviews

Reviews

1 / 10

American Airlines

7.3

Good

14,227 reviews

Delta

8.0

Very good

10,368 reviews

Reviews

1 / 10

Related info for your journey

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 $671, but on average you can expect to pay $1,032.
Are there last-minute flights available from Allentown to London Heathrow Airport for under $900?
There are currently 5+ 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?
Delta, at $671, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Virgin Atlantic.
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 6/6.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on junio 6, 2024.

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Top 2 airlines flying from Allentown to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$650	Average$922	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$686	Average$1,069	FlexibilityNo cancel fee	On-time71%

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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 8/25. 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.

Cheap flight deals from Allentown to Heathrow

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Allentown to London Heathrow Airport?

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

What is the cheapest time of day to fly from ABE to LHR?

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 6, 2024.

These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.

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 6, 2024.

These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.

Allentown to Heathrow flights leaving soon

Book one of these great deals on flights from Allentown to London. Tip: verify your flight details before completing your reservation.

One-way flights to Heathrow from Allentown

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.

Find flights from Allentown to Heathrow within your budget

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.

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.

Temperature and rainfall in Heathrow by month

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

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Allentown to London, see what other customers have to say about Delta, KLM and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What does ABE to LHR mean?

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

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

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

How can I find direct flights from Allentown to Heathrow?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Allentown to Heathrow

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