HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$324+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oshkosh to Heathrow

Keep the following information in mind while searching for Oshkosh to Heathrow flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$684
(Delta)

One-way from

$324
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$875
Provider with most accurate pricing for Appleton Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-London (LON) flights.
Search Deals
From Oshkosh to London Heathrow
Search Deals
One-way flight from Oshkosh to London Heathrow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 2, 2025.

This Delta deal was found by Cheapflights users on 4/1. 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 4/207:00 amATW - LHR
2 stops17h 25mDelta
Tue 5/66:30 amLHR - ATW
2 stops15h 56mDelta
Deal found 4/1$684
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/812:50 pmATW - LHR
2 stops15h 10mUnited Airlines
Tue 4/155:40 pmLHR - ATW
2 stops31h 23mUnited Airlines
Deal found 4/1$691
This Bravofly deal was found by Cheapflights users on 4/1. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/204:22 pmATW - LHR
1 stop14h 48mVirgin Atlantic
Tue 5/63:15 pmLHR - ATW
1 stop13h 14mVirgin Atlantic
Deal found 4/1$694
This KLM deal was found by Cheapflights users on 4/2. 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.
Sun 8/1012:06 pmATW - LHR
1 stop19h 04mKLM
Thu 8/211:05 pmLHR - ATW
1 stop14h 54mKLM
Deal found 4/2$707
This British Airways deal was found by Cheapflights users on 4/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:19 amATW - LHR
1 stop18h 31mMultiple Airlines
Fri 8/291:10 pmLHR - ATW
1 stop16h 14mMultiple Airlines
Deal found 4/1$775
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/75:15 pmATW - LHR
1 stop9h 40mAir France
Fri 6/2011:45 amLHR - ATW
1 stop11h 47mAir France
Deal found 4/1$1,145

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 April 2, 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

Sun 4/20

7:00 am-6:25 am

2 stops17h 25m

London Heathrow

Tue 5/6

6:30 am-4:26 pm

2 stops15h 56m

$684

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 4/20

4:22 pm-1:10 pm

1 stop14h 48m

London Heathrow

Tue 5/6

3:15 pm-10:29 pm

1 stop13h 14m

$694

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 8/10

12:06 pm-1:10 pm

1 stop19h 04m

London Heathrow

Thu 8/21

1:05 pm-9:59 pm

1 stop14h 54m

$707

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 5/10

5:25 pm-6:20 am

1 stop30h 55m

London Heathrow

Tue 5/20

1:45 pm-4:49 pm

2 stops33h 04m

$730

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Fri 8/22

6:19 am-6:50 am

1 stop18h 31m

London Heathrow

Fri 8/29

1:10 pm-11:24 pm

1 stop16h 14m

$775

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/7

5:15 pm-8:55 am

1 stop9h 40m

London Heathrow

Fri 6/20

11:45 am-5:32 pm

1 stop11h 47m

$1,145

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 4/23

7:30 am-8:20 pm

2 stops30h 50m

$324

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 4/23

5:06 pm-8:55 am

1 stop9h 49m

$451

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/7

6:30 am-9:00 pm

2 stops32h 30m

$828

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Fri 6/6

11:11 am-9:15 am

2 stops16h 04m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 11 results
1
2

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, November is the cheapest month in which you can book a flight from Oshkosh to London Heathrow Airport (average of $661). Flying from Oshkosh to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 April 2, 2025.

When flying from Oshkosh to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 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 2, 2025.
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
637 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Oshkosh to London Heathrow Airport one-way?

    $451 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $828 and $898, respectively.

  • 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, November is the cheapest month in which you can book a flight from Oshkosh to London Heathrow Airport (average of $661). Flying from Oshkosh to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 Oshkosh?

Book flights to Oshkosh if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Folkestone
Ilford
Broadway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oshkosh to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
Minneapolis to Gatwick flights
Minneapolis to London City flights
O'Hare Intl to Stansted flights
O'Hare Intl to Luton flights
Minneapolis to Stansted flights
Milwaukee to Heathrow flights
Minneapolis to Luton flights
Milwaukee to Gatwick flights
Appleton to Heathrow flights
Madison to Heathrow flights
Milwaukee to London City flights
Madison to London City flights
Green Bay to Heathrow flights
Madison to Gatwick flights
Milwaukee to Stansted flights
Green Bay to London City flights
Green Bay to Gatwick flights
La Crosse to Heathrow flights
Minneapolis to Southend flights
Wausau to Heathrow flights
Milwaukee to Luton flights
Escanaba to Heathrow flights
Dubuque to Heathrow flights

Top 7 airlines flying from Oshkosh to Heathrow

Discover the top 7 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$738FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$952FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$946FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$928FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$695Average$835FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$703Average$924FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.