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$399+ Cheap flights from Lehigh Valley to Heathrow (LHR)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LHR
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Lehigh Valley to Heathrow

Keep the following information in mind while searching for Lehigh Valley to Heathrow flight deals. Data was last updated November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$623
(United Airlines)

One-way from

$399
(United Airlines)
Provider with most accurate pricing for Allentown-Bethlehem-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-London (LON) flights.
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From Lehigh Valley to London Heathrow
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One-way flight from Lehigh Valley to London Heathrow
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Find flight deals from Lehigh Valley to Heathrow

Cheapest flights from Lehigh Valley to Heathrow
Explore the most affordable flight options available from Lehigh Valley to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:32 amABE - LHR
1 stop18h 23mUnited Airlines
Tue 12/96:35 amLHR - ABE
2 stops20h 11mUnited Airlines
Deal found 11/6$616
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:22 pmABE - LHR
1 stop12h 53mUnited Airlines
Tue 11/186:50 amLHR - ABE
2 stops14h 57mUnited Airlines
Deal found 11/4$618
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:22 pmABE - LHR
1 stop31h 33mUnited Airlines
Thu 12/46:50 amLHR - ABE
2 stops14h 57mUnited Airlines
Deal found 11/5$623
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:32 amABE - LHR
1 stop18h 23mUnited Airlines
Wed 12/106:35 amLHR - ABE
2 stops20h 11mUnited Airlines
Deal found 11/6$666
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 pmABE - LHR
2 stops15h 10mUnited Airlines
Thu 11/136:35 amLHR - ABE
2 stops34h 13mUnited Airlines
Deal found 11/5$671
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:00 pmABE - LHR
2 stops19h 00mUnited Airlines
Thu 11/206:50 amLHR - ABE
2 stops14h 57mUnited Airlines
Deal found 11/6$675
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:00 pmABE - LHR
1 stop12h 20mAmerican Airlines
Thu 11/139:55 amLHR - ABE
1 stop17h 58mAmerican Airlines
Deal found 11/5$696
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:30 pmABE - LHR
1 stop12h 25mUnited Airlines
Tue 12/306:50 amLHR - ABE
2 stops19h 57mUnited Airlines
Deal found 11/6$1,018

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley 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 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Lehigh Valley to London Heathrow Airport that are best for you.

Fly from

Lehigh Valley

Fly to

Heathrow

Route

Depart

Return

Price

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 11/28

6:32 am-5:55 am

1 stop18h 23m

London Heathrow

Wed 12/10

6:35 am-9:46 pm

2 stops20h 11m

$666

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 11/28

6:32 am-7:55 am

1 stop20h 23m

London Heathrow

Tue 12/9

6:35 am-11:52 am

2 stops34h 17m

$666

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 1/9

6:15 am-11:15 am

1 stop24h 00m

London Heathrow

Fri 1/16

1:25 pm-10:41 am

2 stops50h 16m

$687

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 1/9

11:30 am-7:10 am

2 stops14h 40m

London Heathrow

Fri 1/16

1:25 pm-10:41 am

2 stops26h 16m

$704

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 3/11

5:40 pm-9:00 am

1 stop11h 20m

London Heathrow

Wed 3/18

6:30 am-10:52 pm

2 stops20h 22m

$755

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 3/11

5:40 pm-9:00 am

1 stop11h 20m

London Heathrow

Thu 3/19

8:40 am-10:52 pm

2 stops18h 12m

$755

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 3/11

6:30 am-9:00 am

1 stop22h 30m

London Heathrow

Tue 3/24

11:45 am-12:07 pm

2 stops28h 22m

$761

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 3/14

5:40 pm-6:25 am

1 stop32h 45m

London Heathrow

Tue 3/24

11:45 am-12:07 pm

2 stops28h 22m

$766

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 3/11

10:33 am-5:55 am

1 stop15h 22m

London Heathrow

Fri 3/20

11:10 am-9:59 am

2 stops26h 49m

$773

AllentownLondon

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 3/17

1:00 pm-6:25 am

1 stop13h 25m

London Heathrow

Tue 3/24

3:50 pm-12:07 pm

1 stop24h 17m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 20 results
1
2

Best time to book a flight from Lehigh Valley to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Lehigh Valley 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.

Cheapflights Insights

Everything you need to know about your flight from Lehigh Valley to London Heathrow Airport

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

Find hourly flight availability from Lehigh Valley to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Lehigh Valley to London Heathrow Airport by exploring options for tickets at noon.

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 November 6, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Lehigh Valley to London Heathrow Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Lehigh Valley to London Heathrow Airport?

    United Airlines and Delta can get you from Lehigh Valley to London Heathrow Airport in just under 11h 20m. Your travel time can differ by up to 7h 03m. The distance from Lehigh Valley to London Heathrow Airport is about 3507 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Lehigh Valley to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Lehigh Valley 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lehigh Valley 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 Lehigh Valley to Heathrow

Discover the top 2 airlines that operate flights from Lehigh Valley 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 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$581Average$724FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$690Average$824FlexibilityNo cancel feeOn-time69%

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