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Cheap flights from London Heathrow Airport to Oshkosh from £755

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
11 Jan — 18 Jan1
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 12 December 2025.

Wed 24/1211:45LHR - ATW
2 stops15h 18mDelta
Mon 29/1212:12ATW - LHR
1 stop12h 53mDelta
Deal found 11/12£1,181
Wed 24/1210:00LHR - ATW
2 stops17h 03mDelta
Sun 28/1211:00ATW - LHR
2 stops17h 50mDelta
Deal found 11/12£1,211
Wed 24/1207:40LHR - ATW
1 stop34h 35mUnited Airlines
Sun 28/1217:23ATW - LHR
1 stop32h 32mUnited Airlines
Deal found 11/12£1,220
Wed 24/1215:35LHR - ATW
2 stops29h 53mAmerican Airlines
Mon 29/1205:35ATW - LHR
2 stops18h 40mAmerican Airlines
Deal found 11/12£1,231
Mon 22/1208:40LHR - ATW
2 stops20h 29mDelta
Mon 29/1212:12ATW - LHR
1 stop12h 53mDelta
Deal found 11/12£1,411
Wed 24/1215:45LHR - ATW
1 stop23h 36mAmerican Airlines
Wed 31/1215:58ATW - LHR
1 stop10h 17mAmerican Airlines
Deal found 11/12£1,424
Wed 24/1214:50LHR - ATW
2 stops37h 34mMultiple Airlines
Thu 1/108:30ATW - LHR
1 stop21h 25mMultiple Airlines
Deal found 11/12£1,432
Wed 24/1214:50LHR - ATW
2 stops37h 34mMultiple Airlines
Wed 31/1206:00ATW - LHR
1 stop18h 45mMultiple Airlines
Deal found 11/12£1,437
Tue 23/1210:25LHR - ATW
1 stop12h 23mUnited Airlines
Mon 29/1215:24ATW - LHR
1 stop10h 31mUnited Airlines
Deal found 11/12£1,438
Wed 24/1214:50LHR - ATW
2 stops37h 34mMultiple Airlines
Sat 3/114:53ATW - LHR
1 stop17h 27mMultiple Airlines
Deal found 11/12£1,439

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 12 December 2025.

Round-trip from

£755

Popular in

July

Cheapest in

May

Average price

£716
24/1-31/1
  • 24/1-31/1
  • 5 total stops
  • 63h 20m total
  • London to Oshkosh
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
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

Sat 24/1

06:00-08:31

3 stops32h 31m

Appleton Intl

Sat 31/1

11:21-07:10

3 stops37h 49m

£776

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Thu 29/1

09:00-19:15

2 stops16h 15m

Appleton Intl

Mon 2/2

14:45-07:55

1 stop11h 10m

£821

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sat 24/1

11:15-20:49

2 stops15h 34m

Appleton Intl

Sat 31/1

11:03-07:50

2 stops14h 47m

£853

LondonAppleton

LHR - ATW

LHRATW

London Heathrow

Sat 24/1

07:40-16:48

1 stop15h 08m

Appleton Intl

Sat 31/1

12:35-07:55

1 stop13h 20m

£862

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 £392). Flying from London Heathrow Airport to Oshkosh in December is currently the most expensive (average of £707). 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 LHR to OS9?

Find hourly flight availability from Heathrow to Oshkosh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Oshkosh is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

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 12 December 2025.
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
9,095 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 £821, 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 £392). Flying from London Heathrow Airport to Oshkosh in December is currently the most expensive (average of £707). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£465Average£556FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£510Average£623FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£540Average£633FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£612Average£816FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£652Average£843FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£674Average£1,039FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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