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$625+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$699
(Delta)

One-way from

$625
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$865
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
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One-way flight from Oshkosh to London Heathrow
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Highest demand for flights based on searches. 7% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 8/104:10 pmATW - LHR
1 stop15h 00mDelta
Thu 8/216:15 amLHR - ATW
2 stops21h 10mDelta
Deal found 4/30$699
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 8/106:25 pmATW - LHR
1 stop10h 05mAmerican Airlines
Thu 8/2111:10 amLHR - ATW
1 stop12h 45mAmerican Airlines
Deal found 4/30$708
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/106:30 amATW - LHR
2 stops18h 00mUnited Airlines
Thu 8/218:40 amLHR - ATW
2 stops19h 03mUnited Airlines
Deal found 4/29$769
This KLM deal was found by Cheapflights users on 4/29. 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 8/104:10 pmATW - LHR
1 stop15h 00mKLM
Thu 8/219:20 amLHR - ATW
1 stop18h 39mKLM
Deal found 4/29$788
This Virgin Atlantic deal was found by Cheapflights users on 4/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1111:09 amATW - LHR
2 stops14h 56mVirgin Atlantic
Thu 6/2611:45 amLHR - ATW
1 stop11h 49mVirgin Atlantic
Deal found 4/30$1,243
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:35 amATW - LHR
1 stop25h 55mMultiple Airlines
Thu 6/2611:45 amLHR - ATW
1 stop11h 49mMultiple Airlines
Deal found 4/30$1,248
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/281:05 pmATW - LHR
1 stop11h 15mLufthansa
Mon 6/3011:05 amLHR - ATW
1 stop11h 43mLufthansa
Deal found 4/28$2,818

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 May 1, 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 8/10

4:10 pm-1:10 pm

1 stop15h 00m

London Heathrow

Thu 8/21

6:15 am-9:25 pm

2 stops21h 10m

$699

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 8/10

6:25 pm-10:30 am

1 stop10h 05m

London Heathrow

Thu 8/21

11:10 am-5:55 pm

1 stop12h 45m

$708

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 8/10

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

Thu 8/21

8:40 am-9:43 pm

2 stops19h 03m

$769

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 8/10

4:10 pm-1:10 pm

1 stop15h 00m

London Heathrow

Thu 8/21

9:20 am-9:59 pm

1 stop18h 39m

$788

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 6/11

11:09 am-8:05 am

2 stops14h 56m

London Heathrow

Thu 6/26

11:45 am-5:34 pm

1 stop11h 49m

$1,243

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 6/11

5:35 am-1:30 pm

1 stop25h 55m

London Heathrow

Thu 6/26

11:45 am-5:34 pm

1 stop11h 49m

$1,248

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/28

1:05 pm-6:20 am

1 stop11h 15m

London Heathrow

Mon 6/30

11:05 am-4:48 pm

1 stop11h 43m

$2,818

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/21

8:09 am-11:55 am

3 stops45h 46m

$625

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/7

3:43 pm-6:30 am

2 stops32h 47m

$828

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sat 6/21

11:59 am-1:10 pm

1 stop19h 11m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $1,103). 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 May 1, 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 May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Oshkosh to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
643 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.

  • 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 $1,103). 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
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$758FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$1,007FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$950FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$941FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$695Average$837FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$703Average$922FlexibilityNo cancel feeOn-time72%

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