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Cheap flights from Appleton to London from $603

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Appleton to London departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Appleton to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 7:05 am
ATW
-
LHR
18h 55m1 stop
Delta Logo
8:40 am - 9:46 pm
LHR
-
ATW
19h 06m2 stops
$603Delta
Wed, Jan 14 - Sun, Jan 18
KLM Logo
11:07 am - 8:45 am
ATW
-
LHR
16h 38m1 stop
KLM Logo
12:10 pm - 9:55 pm
LHR
-
ATW
14h 45m1 stop
$605KLM
Tue, Mar 10 - Fri, Mar 20
Delta Logo
6:45 am - 6:25 am
ATW
-
LHR
17h 40m2 stops
Delta Logo
8:40 am - 9:46 pm
LHR
-
ATW
19h 06m2 stops
$607Delta
Wed, Jan 14 - Sun, Jan 18
Delta Logo
6:55 am - 7:05 am
ATW
-
LHR
19h 10m2 stops
Delta Logo
8:00 pm - 3:44 pm
LHR
-
ATW
24h 44m2 stops
$609Delta
Tue, Mar 10 - Fri, Mar 20
Iberia Logo
11:25 am - 8:15 am
ATW
-
LHR
14h 50m1 stop
Iberia Logo
7:30 am - 5:51 pm
LHR
-
ATW
16h 21m2 stops
$627Iberia
Fri, Jan 16 - Fri, Jan 23
Delta Logo
11:03 am - 8:45 am
ATW
-
LHR
15h 42m1 stop
Delta Logo
10:00 am - 8:49 pm
LHR
-
ATW
16h 49m2 stops
$628Delta
Thu, Jan 22 - Mon, Jan 26
KLM Logo
12:03 pm - 7:05 am
ATW
-
LHR
13h 02m1 stop
KLM Logo
12:30 pm - 9:46 pm
LHR
-
ATW
15h 16m1 stop
$630KLM
Wed, Jan 14 - Sun, Jan 18
Delta Logo
12:03 pm - 8:45 am
ATW
-
LHR
14h 42m2 stops
Delta Logo
6:30 am - 5:43 pm
LHR
-
ATW
17h 13m2 stops
$632Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:45 am - 9:00 am
ATW
-
LHR
20h 15m2 stops
Delta Logo
11:05 am - 10:45 am
LHR
-
ATW
29h 40m2 stops
$634Delta
Sun, Feb 8 - Sun, Feb 15
Delta Logo
12:03 pm - 7:05 am
ATW
-
LHR
13h 02m1 stop
Delta Logo
10:45 am - 9:46 pm
LHR
-
ATW
17h 01m1 stop
$655Delta
Thu, Jan 22 - Mon, Jan 26

KLM flights from Appleton to London Heathrow Airport

Our best KLM deals on Appleton to London Heathrow Airport flight tickets
KLM
Mar 10
ATW11:07 amAppleton Intl
16h 38m
1 stop
LHR8:45 amLondon Heathrow
Mar 20
LHR12:10 pmLondon Heathrow
14h 45m
1 stop
ATW9:55 pmAppleton Intl
$605
Find similar
KLM
Jan 14
ATW12:03 pmAppleton Intl
13h 02m
1 stop
LHR7:05 amLondon Heathrow
Jan 18
LHR12:30 pmLondon Heathrow
15h 16m
1 stop
ATW9:46 pmAppleton Intl
$630
Find similar
KLM
Mar 21
ATW6:12 pmAppleton Intl
9h 53m
1 stop
LHR9:05 amLondon Heathrow
Mar 22
LHR3:50 pmLondon Heathrow
35h 05m
1 stop
ATW9:55 pmAppleton Intl
$772
Find similar

United Airlines flights from Appleton to London Heathrow Airport

Our best United Airlines deals on Appleton to London Heathrow Airport flight tickets
United Airlines
Jan 22
ATW2:45 pmAppleton Intl
14h 30m
1 stop
LHR11:15 amLondon Heathrow
Jan 26
LHR1:45 pmLondon Heathrow
35h 30m
2 stops
ATW7:15 pmAppleton Intl
$657
Find similar
United Airlines
Jan 22
ATW3:39 pmAppleton Intl
13h 11m
2 stops
LHR10:50 amLondon Heathrow
Jan 26
LHR11:10 amLondon Heathrow
16h 21m
2 stops
ATW9:31 pmAppleton Intl
$682
Find similar
United Airlines
Dec 12
ATW6:30 amAppleton Intl
18h 40m
2 stops
LHR7:10 amLondon Heathrow
Dec 15
LHR7:55 amLondon Heathrow
19h 37m
1 stop
ATW9:32 pmAppleton Intl
$702
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Appleton to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Appleton to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 1/14

6:10 am-7:05 am

1 stop18h 55m

London Heathrow

Sun 1/18

8:40 am-9:46 pm

2 stops19h 06m

$603

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Tue 3/10

11:07 am-8:45 am

1 stop16h 38m

London Heathrow

Fri 3/20

12:10 pm-9:55 pm

1 stop14h 45m

$605

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 1/14

6:45 am-6:25 am

2 stops17h 40m

London Heathrow

Sun 1/18

8:40 am-9:46 pm

2 stops19h 06m

$607

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Tue 3/10

6:55 am-7:05 am

2 stops19h 10m

London Heathrow

Fri 3/20

8:00 pm-3:44 pm

2 stops24h 44m

$609

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Fri 1/16

11:25 am-8:15 am

1 stop14h 50m

London Heathrow

Fri 1/23

7:30 am-5:51 pm

2 stops16h 21m

$627

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 1/22

11:03 am-8:45 am

1 stop15h 42m

London Heathrow

Mon 1/26

10:00 am-8:49 pm

2 stops16h 49m

$628

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 1/14

12:03 pm-7:05 am

1 stop13h 02m

London Heathrow

Sun 1/18

12:30 pm-9:46 pm

1 stop15h 16m

$630

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 1/22

12:03 pm-8:45 am

2 stops14h 42m

London Heathrow

Mon 1/26

6:30 am-5:43 pm

2 stops17h 13m

$632

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 2/8

6:45 am-9:00 am

2 stops20h 15m

London Heathrow

Sun 2/15

11:05 am-10:45 am

2 stops29h 40m

$634

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 1/22

12:03 pm-7:05 am

1 stop13h 02m

London Heathrow

Mon 1/26

10:45 am-9:46 pm

1 stop17h 01m

$655

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Appleton to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $712. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $1,024.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Appleton to London Heathrow Airport at noon for as low as $695. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $889.

Can stopping save me money on Appleton to London Heathrow Airport flights?

You could potentially save up to 61% on your flight if you consider stops on a Appleton to London Heathrow Airport flight.

When to book flights from Appleton to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Appleton to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Appleton to London Heathrow Airport (ATW to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Appleton to London Heathrow Airport

Fastest flight time

9h 35m

Direct flights

None
The fastest flight from Appleton to London Heathrow Airport takes 9h 35m
There are no direct flights from Appleton to London Heathrow Airport. There are no popular flight routes from Appleton to London Heathrow Airport.
Search flight deals

  • How far is Appleton Intl to London Heathrow by plane?

    There are 3853.7 mi between Appleton Intl and London Heathrow. 9h 53m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Appleton Intl Airport to London Heathrow Airport?

    Prices for flights from Appleton Intl Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Appleton Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Appleton Intl Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Appleton Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Appleton to London Heathrow Airport?

Best airlines flying from Appleton to London Heathrow Airport

Compare and see reviews for airlines that fly from Appleton to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $687Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $700Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights

Traveling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Appleton to London?

Finding the right flight to London from Appleton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Appleton to London with flexible booking policies on momondo?

Yes. All flights to London from Appleton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Appleton to London?

momondo helps you find the best flight between Appleton and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Appleton to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Appleton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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