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Cheap flights from Allentown (ABE) to Heathrow (LHR) from $709

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. 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 5 — May 121
From?
To?
Sun 5/5
Sun 5/12
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 April 30, 2024.

Round-trip from

$643
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 Friday, 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 March. Prices to London Heathrow Airport from Allentown average $897. You can even find prices in March for less than $897, as users have found deals to London Heathrow Airport from as low as $680. 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 35%.

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 47% versus a flight in the afternoon.

Cheap American Airlines flights from Allentown to Heathrow

Explore cheap flight options specifically provided by American Airlines 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 2,948,547 searches. Data last updated April 30, 2024.
Check out some of the cheapest American Airlines flights we've come across from Allentown to London. Come back soon if you're not finding the exact deal you're looking for.
Tue 9/35:07 pmABE - LHR
1 stop14h 03mAmerican Airlines
Thu 9/129:15 amLHR - ABE
1 stop12h 09mAmerican Airlines
Deal found 4/29$780
Tue 9/312:05 pmABE - LHR
2 stops13h 25mAmerican Airlines
Thu 9/123:15 pmLHR - ABE
1 stop11h 55mAmerican Airlines
Deal found 4/29$785
Thu 9/55:45 pmABE - LHR
2 stops12h 30mAmerican Airlines
Sat 9/149:15 amLHR - ABE
1 stop12h 09mAmerican Airlines
Deal found 4/29$885
Wed 7/312:22 pmABE - LHR
1 stop14h 18mAmerican Airlines
Wed 7/103:15 pmLHR - ABE
1 stop12h 13mAmerican Airlines
Deal found 4/29$1,415
Thu 6/2012:22 pmABE - LHR
2 stops14h 23mAmerican Airlines
Sun 6/309:45 amLHR - ABE
2 stops17h 34mAmerican Airlines
Deal found 4/29$1,720

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 2,948,547 searches. Data last updated April 30, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Allentown to London. Deals are refreshing constantly so come back soon for more options.
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/109:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 4/29$788
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/1011:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 4/29$794
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Mon 9/169:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 4/29$838
Wed 5/1512:24 pmABE - LHR
2 stops13h 21mDelta
Sun 5/198:40 amLHR - ABE
2 stops19h 37mDelta
Deal found 4/29$867
Thu 9/52:55 pmABE - LHR
2 stops17h 50mDelta
Sat 9/1412:10 pmLHR - ABE
2 stops16h 16mDelta
Deal found 4/29$916
Fri 9/62:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/101:55 pmLHR - ABE
1 stop14h 31mDelta
Deal found 4/29$964
Wed 9/46:30 amABE - LHR
2 stops23h 00mDelta
Fri 9/136:30 amLHR - ABE
2 stops21h 56mDelta
Deal found 4/29$996
Tue 9/36:30 amABE - LHR
2 stops19h 45mDelta
Thu 9/126:30 amLHR - ABE
2 stops21h 56mDelta
Deal found 4/29$1,009
Wed 5/226:00 amABE - LHR
2 stops20h 15mDelta
Mon 5/279:20 amLHR - ABE
2 stops18h 57mDelta
Deal found 4/29$1,206

Cheap Allentown to Heathrow flights in April & May 2024

Find cheap flight options from Allentown to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 30, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Wed 5/155:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Sun 5/196:50 amLHR - ABE
2 stops15h 05mUnited Airlines
Deal found 4/29$709
Wed 5/155:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Sun 5/198:30 amLHR - ABE
1 stop13h 25mUnited Airlines
Deal found 4/29$717
Wed 5/1512:24 pmABE - LHR
2 stops13h 21mDelta
Sun 5/198:40 amLHR - ABE
2 stops19h 37mDelta
Deal found 4/29$867
Wed 5/226:00 amABE - LHR
2 stops20h 15mDelta
Mon 5/271:55 pmLHR - ABE
1 stop14h 22mDelta
Deal found 4/30$1,206
Wed 5/16:35 amABE - LHR
1 stop18h 20mUnited Airlines
Thu 5/1612:05 pmLHR - ABE
2 stops33h 50mUnited Airlines
Deal found 4/29$1,572
Wed 5/15:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Thu 5/161:05 pmLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 4/29$1,588
Wed 5/16:35 amABE - LHR
2 stops18h 55mMultiple Airlines
Thu 5/168:30 amLHR - ABE
2 stops18h 03mMultiple Airlines
Deal found 4/29$3,932

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 2,948,547 searches. Data last updated April 30, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Wed 5/155:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Sun 5/196:50 amLHR - ABE
2 stops15h 05mUnited Airlines
Deal found 4/29$709
Wed 5/155:30 pmABE - LHR
1 stop13h 15mUnited Airlines
Sun 5/198:30 amLHR - ABE
1 stop13h 25mUnited Airlines
Deal found 4/29$717
Tue 9/35:07 pmABE - LHR
1 stop14h 03mAmerican Airlines
Thu 9/129:15 amLHR - ABE
1 stop12h 09mAmerican Airlines
Deal found 4/29$780
Tue 9/312:05 pmABE - LHR
2 stops13h 25mAmerican Airlines
Thu 9/123:15 pmLHR - ABE
1 stop11h 55mAmerican Airlines
Deal found 4/29$785
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/109:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 4/29$788
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Tue 9/1011:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 4/29$794
Fri 8/165:07 pmABE - LHR
1 stop10h 58mAmerican Airlines
Tue 9/312:15 pmLHR - ABE
1 stop15h 44mAmerican Airlines
Deal found 4/30$830
Fri 8/165:07 pmABE - LHR
1 stop10h 58mAmerican Airlines
Tue 9/32:25 pmLHR - ABE
2 stops15h 08mAmerican Airlines
Deal found 4/30$835
Sun 9/12:55 pmABE - LHR
1 stop17h 20mDelta
Mon 9/169:00 amLHR - ABE
2 stops19h 26mDelta
Deal found 4/29$838

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 2,948,547 searches. Data last updated April 30, 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.
Fri 6/76:40 amABE - LHR
2 stops23h 00mUnited Airlines
Deal found 4/29$1,092
Wed 5/2212:24 pmABE - LHR
1 stop19h 51mVirgin Atlantic
Deal found 4/29$1,332
Wed 5/2212:24 pmABE - LHR
2 stops14h 36mVirgin Atlantic
Deal found 4/29$1,388
Thu 7/1112:08 pmABE - LHR
1 stop15h 57mAmerican Airlines
Deal found 4/28$1,479
Wed 5/225:31 pmABE - LHR
3 stops37h 24mMultiple Airlines
Deal found 4/29$2,297

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 2,948,547 searches. Data last updated April 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$709 - $1,084

Route

Depart

Return

Price

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 5/15

1 stop13h 15m

London Heathrow

Sun 5/19

2 stops15h 05m

$709

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 5/15

1 stop13h 15m

London Heathrow

Sun 5/19

1 stop13h 25m

$717

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 9/3

1 stop14h 03m

London Heathrow

Thu 9/12

1 stop12h 09m

$780

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 9/3

2 stops13h 25m

London Heathrow

Thu 9/12

1 stop11h 55m

$785

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 9/1

1 stop17h 20m

London Heathrow

Tue 9/10

2 stops19h 26m

$788

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Sun 9/1

1 stop17h 20m

London Heathrow

Tue 9/10

1 stop16h 51m

$794

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 9/5

1 stop17h 20m

London Heathrow

Fri 9/13

1 stop16h 51m

$844

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 9/5

1 stop17h 20m

London Heathrow

Sat 9/14

1 stop16h 51m

$894

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 9/4

2 stops19h 05m

London Heathrow

Wed 9/11

2 stops17h 18m

$1,084

Flights are sorted by cheapest first

Deals found on 4/29

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 April 28, 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 $1,518 while a round-trip flight costs $822. Price data was last updated on April 28, 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 $1,173). 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

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

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 April 30, 2024.
To help decide which airline to fly from Allentown to London, see what other customers have to say about American Airlines, 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
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,895 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,616 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Virgin Atlantic
7.7
Good
743 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,187 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,815 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 1 airline has 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 $800 on Cheapflights?

    Yes, there are multiple flights from Allentown to London Heathrow Airport for under $800. The cheapest flight booked recently is on United Airlines for just $709, but on average you can expect to pay $914.

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

    United Airlines, at $709, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include American Airlines and Delta.

  • 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 $1,092. Virgin Atlantic flights start at $1,332 while deals on American Airlines start at $1,479 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 4/30.

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 airline flying from Allentown to Heathrow

Discover the top airline 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 2,948,547 searches. Data last updated April 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$647Average$1,166FlexibilityNo 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Allentown today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Allentown to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Allentown to Heathrow for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Allentown to Heathrow with no change fees.

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

Not ready to book yet? You can track prices for flights from Allentown to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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