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Heathrow

$388+ Cheap flights from Oshkosh, WI 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oshkosh to Heathrow

Cheapest flights from Oshkosh to Heathrow
Explore the most affordable flight options available from Oshkosh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This lastminute.com deal was found by Cheapflights users on 12/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:24 pmATW - LHR
1 stop10h 31mLufthansa
Fri 1/97:25 amLHR - ATW
1 stop15h 23mLufthansa
Deal found 12/15$668
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:12 pmATW - LHR
1 stop12h 53mKLM
Wed 1/286:30 amLHR - ATW
2 stops15h 10mKLM
Deal found 12/16$793
This Delta deal was found by Cheapflights users on 12/16. 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 12/2411:00 amATW - LHR
2 stops18h 40mDelta
Wed 1/2811:45 amLHR - ATW
2 stops15h 04mDelta
Deal found 12/16$798
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/241:00 pmATW - LHR
1 stop10h 55mLufthansa
Wed 1/286:35 amLHR - ATW
2 stops16h 13mLufthansa
Deal found 12/16$880
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/241:00 pmATW - LHR
1 stop12h 55mUnited Airlines
Wed 1/287:40 amLHR - ATW
1 stop12h 29mUnited Airlines
Deal found 12/16$908
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/265:23 pmATW - LHR
2 stops31h 47mUnited Airlines
Fri 1/3011:10 amLHR - ATW
2 stops16h 21mUnited Airlines
Deal found 12/16$949
This Scandinavian Airlines deal was found by Cheapflights users on 12/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amATW - LHR
3 stops20h 20mMultiple Airlines
Wed 1/286:40 amLHR - ATW
3 stops20h 09mMultiple Airlines
Deal found 12/16$1,798
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:23 pmATW - LHR
1 stop32h 32mLufthansa
Sat 1/37:30 amLHR - ATW
2 stops20h 06mLufthansa
Deal found 12/17$1,856
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:12 pmATW - LHR
1 stop12h 53mKLM
Sat 1/36:30 amLHR - ATW
2 stops16h 05mKLM
Deal found 12/16$2,128

Find flight deals from Oshkosh to Heathrow

Keep the following information in mind while searching for Oshkosh to Heathrow flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(KLM)

One-way from

$388
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,489
Provider with most accurate pricing for Appleton Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Appleton Intl-London (LON) flights.
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From Oshkosh to London Heathrow
Search Deals
One-way flight from Oshkosh to London Heathrow
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh 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 18, 2025.
Use the filters below to find and compare flights from Oshkosh to London Heathrow Airport that are best for you.

Fly from

Oshkosh

Fly to

Heathrow

Route

Depart

Return

Price

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 1/29

12:03 pm-7:05 am

1 stop13h 02m

London Heathrow

Thu 2/5

11:45 am-8:49 pm

2 stops15h 04m

$630

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 1/29

6:23 pm-1:45 pm

2 stops13h 22m

London Heathrow

Thu 2/5

11:45 am-8:49 pm

2 stops15h 04m

$634

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 1/26

12:03 pm-8:45 am

2 stops14h 42m

London Heathrow

Wed 2/4

10:00 am-8:49 pm

2 stops16h 49m

$634

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 4/11

6:12 pm-8:55 am

1 stop32h 43m

London Heathrow

Wed 4/22

8:40 am-9:27 pm

2 stops18h 47m

$645

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 1/26

5:20 am-7:50 am

1 stop20h 30m

London Heathrow

Wed 2/4

10:45 am-9:46 pm

1 stop17h 01m

$657

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 1/31

5:20 am-7:50 am

1 stop20h 30m

London Heathrow

Sat 2/7

11:05 am-9:38 pm

1 stop16h 33m

$657

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 4/13

1:10 pm-10:40 am

2 stops15h 30m

London Heathrow

Wed 4/22

7:25 am-7:16 pm

2 stops17h 51m

$658

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Tue 4/14

2:39 pm-10:40 am

2 stops14h 01m

London Heathrow

Wed 4/22

6:55 am-7:16 pm

2 stops18h 21m

$658

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Tue 4/14

2:39 pm-10:40 am

2 stops14h 01m

London Heathrow

Tue 4/21

6:55 am-4:50 pm

2 stops15h 55m

$658

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 4/13

1:10 pm-10:40 am

2 stops15h 30m

London Heathrow

Tue 4/21

7:25 am-8:58 pm

2 stops19h 33m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results
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Best time to book a flight from Oshkosh to Heathrow

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

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

Currently, October is the cheapest month in which you can book a flight from Oshkosh to London Heathrow Airport (average of $558). Flying from Oshkosh 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.

What is the cheapest time of day to fly from OS9 to LHR?

Find hourly flight availability from Oshkosh 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 December 18, 2025.

When flying from Oshkosh 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 evening, which can drop the price by up to 21% versus a flight in the morning.

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 18, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Oshkosh 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
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

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

    KLM, Virgin Atlantic, and Delta can get you from Oshkosh to London Heathrow Airport in just under 13h 02m. Your travel time can differ by up to 19h 41m. The distance between Oshkosh and London Heathrow Airport is about 3858 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oshkosh 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 Oshkosh to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Oshkosh to London Heathrow Airport (average of $558). Flying from Oshkosh 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Oshkosh to Heathrow

Discover the top 5 airlines that operate flights from Oshkosh 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$622Average$991FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$632Average$877FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$650Average$821FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$676Average$912FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$687Average$1,141FlexibilityNo cancel feeOn-time71%

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