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Cheap flights from London Heathrow Airport to Oshkosh from £424

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Oshkosh

Keep the following information in mind while searching for Heathrow to Oshkosh flight deals. Data was last updated 14 January 2026.

Round-trip from

£693

One-way from

£424

Popular in

January

Cheapest in

May

Average price

£1,335
Lufthansa
  • Lufthansa
  • 11/4-21/4
  • 3 total stops
  • 34h 41m total
  • London to Oshkosh
Search Deals
1/2
  • 1/2
  • 3 total stops
  • 49h 39m total
  • London to Oshkosh
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 14 January 2026.

Sat 11/407:30
LHR
-
ATW
2 stops20h 15m
Lufthansa
Tue 21/412:34
ATW
-
LHR
1 stop14h 26m
Lufthansa
Deal found 13/1£693
Wed 4/209:00
LHR
-
ATW
2 stops16h 15m
United Airlines
Sun 8/208:00
ATW
-
LHR
2 stops16h 40m
United Airlines
Deal found 11/1£698
Thu 26/206:35
LHR
-
ATW
2 stops16h 09m
United Airlines
Thu 5/310:20
ATW
-
LHR
2 stops14h 20m
United Airlines
Deal found 12/1£701
Thu 26/210:25
LHR
-
ATW
1 stop17h 07m
Lufthansa
Thu 5/312:34
ATW
-
LHR
1 stop11h 21m
Lufthansa
Deal found 12/1£713
Fri 27/209:00
LHR
-
ATW
2 stops16h 07m
United Airlines
Fri 6/312:34
ATW
-
LHR
2 stops14h 11m
United Airlines
Deal found 13/1£730
Mon 13/411:05
LHR
-
ATW
1 stop11h 43m
United Airlines
Tue 21/412:34
ATW
-
LHR
1 stop12h 11m
United Airlines
Deal found 13/1£740
Mon 13/408:40
LHR
-
ATW
2 stops18h 34m
Delta
Sun 19/418:17
ATW
-
LHR
1 stop30h 53m
Delta
Deal found 13/1£744
Tue 14/406:15
LHR
-
ATW
2 stops15h 23m
Delta
Thu 23/411:07
ATW
-
LHR
1 stop14h 03m
Delta
Deal found 13/1£749

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 14 January 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

Wed 4/2

09:00-19:15

2 stops16h 15m

Appleton Intl

Sun 8/2

08:00-06:40

2 stops16h 40m

£698

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Thu 26/2

06:35-16:44

2 stops16h 09m

Appleton Intl

Thu 5/3

10:20-06:40

2 stops14h 20m

£701

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Thu 26/2

10:25-21:32

1 stop17h 07m

Appleton Intl

Thu 5/3

12:34-05:55

1 stop11h 21m

£713

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Tue 14/4

08:00-14:00

1 stop12h 00m

Appleton Intl

Fri 24/4

14:54-09:00

1 stop12h 06m

£740

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sun 1/2

18:30-14:09

3 stops49h 39m

£424

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sun 1/2

12:35-20:49

1 stop14h 14m

£636

Flights are sorted by cheapest return flights first.

Deals found on 13/1

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 £390). Flying from London Heathrow Airport to Oshkosh in July is currently the most expensive (average of £717). 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 14 January 2026.
Check out reviews from past customers who have flown with United Airlines 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
9,156 reviews
Check prices

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews
Check prices

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 £698, United Airlines can have you in Oshkosh from London Heathrow Airport in 16h 15m. 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 £390). Flying from London Heathrow Airport to Oshkosh in July is currently the most expensive (average of £717). 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

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Alternative routes for Heathrow to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.
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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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£462Average£553FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£512Average£618FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£537Average£629FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£649Average£842FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£679Average£1,019FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£738Average£831FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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