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$298+ Cheap flights from Appleton (ATW) 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Appleton to Heathrow

Cheapest flights from Appleton to Heathrow
Explore the most affordable flight options available from Appleton to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:00 amATW - LHR
1 stop19h 45mDelta
Tue 12/2311:05 amLHR - ATW
1 stop18h 04mDelta
Deal found 12/10$821
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:18 pmATW - LHR
1 stop32h 47mDelta
Tue 12/2311:05 amLHR - ATW
1 stop18h 04mDelta
Deal found 12/10$826
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:31 amATW - LHR
1 stop21h 29mDelta
Sun 12/214:50 pmLHR - ATW
2 stops23h 11mDelta
Deal found 12/10$876
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:11 pmATW - LHR
1 stop32h 34mDelta
Sun 12/214:50 pmLHR - ATW
2 stops23h 11mDelta
Deal found 12/10$881
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/142:32 pmATW - LHR
1 stop14h 43mUnited Airlines
Sun 12/2110:25 amLHR - ATW
1 stop14h 39mUnited Airlines
Deal found 12/10$958
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/1512:30 pmATW - LHR
2 stops12h 40mUnited Airlines
Mon 12/221:35 pmLHR - ATW
1 stop14h 02mUnited Airlines
Deal found 12/10$961
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/133:42 pmATW - LHR
1 stop32h 13mUnited Airlines
Mon 12/221:35 pmLHR - ATW
1 stop14h 02mUnited Airlines
Deal found 12/10$964
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:13 amATW - LHR
1 stop15h 32mDelta
Tue 12/2311:05 amLHR - ATW
1 stop18h 04mDelta
Deal found 12/10$972
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:30 pmATW - LHR
2 stops15h 10mLufthansa
Sun 12/2110:25 amLHR - ATW
1 stop12h 23mLufthansa
Deal found 12/10$1,019

Find flight deals from Appleton to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(KLM)

One-way from

$298

Popular in

June

Cheapest in

February

Average price

$1,489
Provider with most accurate pricing for Appleton Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-London Heathrow flights.
Search Deals
From Appleton Intl to London Heathrow
Search Deals
One-way flight from Appleton Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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 December 12, 2025.
Use the filters below to find and compare flights from Appleton to London Heathrow Airport that are best for you.

Fly from

Appleton

Fly to

Heathrow

Route

Depart

Return

Price

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 1/24

5:20 am-9:00 am

1 stop21h 40m

London Heathrow

Sat 1/31

11:15 am-8:49 pm

2 stops15h 34m

$629

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 1/24

11:03 am-7:50 am

2 stops14h 47m

London Heathrow

Sat 1/31

11:15 am-8:49 pm

2 stops15h 34m

$633

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Fri 2/20

5:25 am-7:50 am

1 stop20h 25m

London Heathrow

Fri 2/27

11:05 am-9:27 pm

1 stop16h 22m

$656

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Fri 1/23

5:23 pm-11:15 am

1 stop11h 52m

London Heathrow

Tue 1/27

6:50 am-7:15 pm

2 stops18h 25m

$686

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Tue 3/10

12:00 pm-7:05 am

1 stop14h 05m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Appleton to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Heathrow in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Appleton-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Appleton-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Appleton to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Appleton 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 Appleton to London Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from Appleton to London Heathrow Airport (average of $558). Flying from Appleton to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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.

How much does it cost to fly round-trip from Appleton to London Heathrow Airport?

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 December 12, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Appleton to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Appleton 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 Appleton to London Heathrow?

    If you book a flight to London Heathrow from Appleton, you will be flying from Appleton Intl, which is the city’s only airport. Appleton Intl (ATW) is located 5.1 mi from the center of Appleton. There are 0 flights from Appleton Intl to London Heathrow per day from 2 different airlines.

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

    Airlines like KLM and United Airlines fly from Appleton to London Heathrow Airport in about 11h 52m. The time it takes to get you to your destination can typically vary by up to 9h 48m. Airlines will cover a distance of 3858 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($687), and United Airlines ($700) offers the cheapest pricing from Appleton to London Heathrow Airport. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Appleton 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.

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

    Currently, October is the cheapest month in which you can book a flight from Appleton to London Heathrow Airport (average of $558). Flying from Appleton to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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

Traveling to a place near London Heathrow Airport?

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

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Alternative routes for Appleton to Heathrow

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Top 2 airlines flying from Appleton to Heathrow

Discover the top 2 airlines that operate flights from Appleton 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$687Average$988FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$700Average$887FlexibilityNo cancel feeOn-time69%

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