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Cheap flights from London Heathrow Airport to Oshkosh from £368

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Oshkosh

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Oshkosh
Explore the most affordable flight options available from Heathrow to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Tue 1/911:05
LHR
-
ATW
1 stop11h 45m
Lufthansa
Tue 15/913:10
ATW
-
LHR
1 stop11h 35m
Lufthansa
Deal found 10/2£799
Wed 6/508:00
LHR
-
ATW
1 stop12h 01m
United Airlines
Mon 18/510:35
ATW
-
LHR
1 stop19h 10m
United Airlines
Deal found 13/2£834
Wed 6/511:05
LHR
-
ATW
1 stop11h 45m
United Airlines
Sun 17/520:00
ATW
-
LHR
1 stop30h 30m
United Airlines
Deal found 13/2£842
Wed 6/513:25
LHR
-
ATW
1 stop14h 10m
Delta
Tue 19/505:40
ATW
-
LHR
1 stop18h 45m
Delta
Deal found 13/2£851
Thu 7/511:05
LHR
-
ATW
1 stop11h 45m
United Airlines
Thu 14/514:43
ATW
-
LHR
1 stop11h 47m
United Airlines
Deal found 13/2£864
Sat 9/508:45
LHR
-
ATW
2 stops16h 20m
United Airlines
Sat 16/512:33
ATW
-
LHR
2 stops16h 07m
United Airlines
Deal found 13/2£867
Thu 7/511:05
LHR
-
ATW
1 stop11h 45m
United Airlines
Sun 17/520:00
ATW
-
LHR
1 stop30h 30m
United Airlines
Deal found 13/2£872
Thu 7/515:15
LHR
-
ATW
1 stop13h 18m
Delta
Tue 19/505:40
ATW
-
LHR
1 stop18h 45m
Delta
Deal found 13/2£881
Sun 10/519:20
LHR
-
ATW
2 stops34h 20m
Iberia
Tue 19/513:26
ATW
-
LHR
2 stops21h 49m
Iberia
Deal found 13/2£887
Wed 6/506:15
LHR
-
ATW
2 stops23h 25m
Iberia
Wed 13/513:20
ATW
-
LHR
2 stops38h 10m
Iberia
Deal found 13/2£889
Thu 7/511:05
LHR
-
ATW
1 stop11h 45m
United Airlines
Fri 15/520:00
ATW
-
LHR
1 stop28h 45m
United Airlines
Deal found 13/2£894
Sun 10/519:20
LHR
-
ATW
2 stops34h 20m
Iberia
Mon 18/513:20
ATW
-
LHR
2 stops27h 25m
Iberia
Deal found 13/2£897

Find flight deals from Heathrow to Oshkosh

Keep the following information in mind while searching for Heathrow to Oshkosh flight deals. Data was last updated 13 February 2026.

Round-trip from

£834

One-way from

£368

Popular in

July

Cheapest in

May

Average price

£707
United Airlines
  • United Airlines
  • 6/5-18/5
  • 2 total stops
  • 31h 11m total
  • London to Oshkosh
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 49h 00m total
  • London to Oshkosh
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£144 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Oshkosh 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 858,174 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Oshkosh that are best for you.

Fly from

Heathrow

Fly to

Oshkosh

Route

Depart

Return

Price

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Tue 12/5

08:00-14:01

1 stop12h 01m

Appleton Intl

Mon 18/5

05:00-08:30

1 stop21h 30m

£834

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Mon 11/5

08:00-14:01

1 stop12h 01m

Appleton Intl

Mon 18/5

10:35-08:30

1 stop15h 55m

£834

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Wed 6/5

07:45-16:50

2 stops15h 05m

Appleton Intl

Wed 13/5

06:15-06:45

1 stop18h 30m

£834

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Wed 6/5

08:00-14:01

1 stop12h 01m

Appleton Intl

Mon 18/5

10:35-11:45

1 stop19h 10m

£834

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Wed 6/5

07:45-16:50

2 stops15h 05m

Appleton Intl

Thu 14/5

14:43-11:45

1 stop15h 02m

£834

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Tue 12/5

11:05-16:50

1 stop11h 45m

Appleton Intl

Sun 17/5

20:00-08:30

1 stop30h 30m

£842

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Mon 11/5

15:15-22:33

1 stop13h 18m

Appleton Intl

Tue 19/5

05:40-06:25

1 stop18h 45m

£851

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sat 9/5

11:05-16:50

1 stop11h 45m

Appleton Intl

Thu 14/5

14:43-08:30

1 stop11h 47m

£864

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sun 10/5

11:05-16:50

1 stop11h 45m

Appleton Intl

Mon 18/5

15:45-08:30

1 stop10h 45m

£864

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Thu 7/5

11:05-16:50

1 stop11h 45m

Appleton Intl

Thu 14/5

14:43-08:30

1 stop11h 47m

£864

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Heathrow to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Oshkosh

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Oshkosh (average of £385). Flying from London Heathrow Airport to Oshkosh in July is currently the most expensive (average of £823). 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.

Reviews of airlines servicing Oshkosh

Get insights into the airlines that provide service to Oshkosh. 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 Oshkosh. Reviews last updated 13 February 2026.
Check out reviews from past customers who have flown with United Airlines and Lufthansa from London Heathrow Airport to Oshkosh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Lufthansa
6.8
Okay
7,784 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

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

    For as low as £834, United Airlines can have you in Oshkosh from London Heathrow Airport in 16h 45m. The distance from London Heathrow Airport to Oshkosh is about 3858 mi.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Oshkosh (average of £385). Flying from London Heathrow Airport to Oshkosh in July is currently the most expensive (average of £823). 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

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.

Top 6 airlines flying from Heathrow to Oshkosh

Discover the top 6 airlines that operate flights from Heathrow to Oshkosh. 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 858,174 searches. Data last updated 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£457Average£550FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£533Average£626FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£641Average£842FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£670Average£1,011FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£729Average£802FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£817Average£936FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Oshkosh?

When you search for this flight from Heathrow to Oshkosh, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Oshkosh?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oshkosh from Heathrow.

Can Cheapflights find flights from Heathrow to Oshkosh with no change fees?

Need flexible booking options for your flight to Oshkosh from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Oshkosh become cheaper?

Yes! Start tracking prices for Heathrow to Oshkosh flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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