Find flights
When to book
Airlines
FAQs

Cheap flights from Green Bay to London from £352

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
23 Apr — 30 Apr1
1 adult

Cheap flight deals from Green Bay to London

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 April 2025.

Round-trip from

£625

One-way from

£352

Popular in

June

Cheapest in

March

Average price

£616
United Airlines
  • United Airlines
  • 12/9-19/9
  • 4 total stops
  • 38h 08m total
  • Green Bay to London
Delta
  • Delta
  • 10/8
  • 2 total stops
  • 15h 30m total
  • Green Bay to London
Highest demand for flights based on searches. 15% potential increase in price (£94 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Green Bay to London

Cheapest flights from Green Bay to London
Explore the most affordable flight options available from Green Bay to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Thu 16/1015:45GRB - LHR
1 stop10h 35mUnited Airlines
Fri 24/1014:05LHR - GRB
2 stops32h 44mUnited Airlines
Deal found 17/4£614
Fri 12/916:00GRB - LHR
1 stop15h 10mKLM
Fri 19/913:05LHR - GRB
1 stop14h 53mKLM
Deal found 17/4£631
Fri 12/916:00GRB - LHR
1 stop15h 10mVirgin Atlantic
Fri 19/909:20LHR - GRB
2 stops17h 18mVirgin Atlantic
Deal found 17/4£635
Fri 21/1106:16GRB - LHR
1 stop18h 34mAmerican Airlines
Fri 28/1113:30LHR - GRB
2 stops14h 01mAmerican Airlines
Deal found 17/4£677
Thu 16/1017:25GRB - LCY
2 stops17h 15mDelta
Fri 24/1008:40LCY - GRB
2 stops19h 18mDelta
Deal found 17/4£733
Tue 10/616:24GRB - LHR
1 stop14h 46mDelta
Tue 17/608:40LHR - GRB
2 stops17h 56mDelta
Deal found 17/4£803
Fri 12/918:10GRB - LGW
2 stops19h 50mBritish Airways
Fri 19/920:40LGW - GRB
2 stops32h 43mBritish Airways
Deal found 17/4£900
Sat 14/618:31GRB - LHR
1 stop30h 49mBritish Airways
Sat 28/609:15LHR - GRB
1 stop14h 11mBritish Airways
Deal found 17/4£1,021
Mon 12/517:30GRB - LHR
2 stops16h 10mLufthansa
Fri 16/506:30LHR - GRB
2 stops16h 21mLufthansa
Deal found 17/4£1,261
Mon 12/517:30GRB - LCY
2 stops16h 55mLufthansa
Fri 16/519:10LCY - GRB
2 stops27h 41mLufthansa
Deal found 17/4£1,353
Tue 10/611:04GRB - LGW
2 stops16h 56mDelta
Tue 17/612:00LGW - GRB
2 stops14h 36mDelta
Deal found 17/4£2,246

Cheapflights Fare Finder

Customise your flight search to find flights from Green Bay to London 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 18 April 2025.
Use the filters below to find and compare flights from Green Bay to London that are best for you.

Fly from

Green Bay

Fly to

London

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 12/9

08:00-06:55

2 stops16h 55m

London Heathrow

Fri 19/9

06:30-21:43

2 stops21h 13m

£625

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 12/9

16:00-13:10

1 stop15h 10m

London Heathrow

Fri 19/9

13:05-21:58

1 stop14h 53m

£631

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 12/9

16:00-13:10

1 stop15h 10m

London Heathrow

Fri 19/9

09:20-20:38

2 stops17h 18m

£635

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 10/6

16:24-13:10

1 stop14h 46m

London Heathrow

Tue 17/6

08:40-20:36

2 stops17h 56m

£803

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 10/6

17:03-16:40

2 stops17h 37m

London City

Tue 17/6

08:40-20:36

2 stops17h 56m

£840

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Fri 12/9

18:10-20:00

2 stops19h 50m

London Gatwick

Fri 19/9

20:40-23:23

2 stops32h 43m

£900

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 14/6

18:31-07:20

1 stop30h 49m

London Heathrow

Sat 28/6

09:15-17:26

1 stop14h 11m

£1,021

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 12/5

17:30-15:40

2 stops16h 10m

London Heathrow

Fri 16/5

06:30-16:51

2 stops16h 21m

£1,261

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Mon 12/5

17:30-16:25

2 stops16h 55m

London City

Fri 16/5

19:10-16:51

2 stops27h 41m

£1,353

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Tue 10/6

11:04-10:00

2 stops16h 56m

London Gatwick

Tue 17/6

12:00-20:36

2 stops14h 36m

£2,246

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 12 results
1
2

Best time to book a flight from Green Bay to London

Have a flexible travel schedule? Discover the best time to fly to London from Green Bay 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 Green Bay to London

What is the cheapest month to book a flight from Green Bay to London?

Currently, January is the cheapest month in which you can book a flight from Green Bay to London (average of £112). Flying from Green Bay to London in August is currently the most expensive (average of £164). 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.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 18 April 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Green Bay to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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.
8.0
Very Good

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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.

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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.

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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.

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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.

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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 Green Bay to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Green Bay to London?

    For a flight from Green Bay to London, you will be flying from Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city. Austin-Straubel is the only Green Bay airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Green Bay Austin-Straubel on a regular basis.

  • What are the cheapest airlines flying from Green Bay to London round-trip?

    According to our current data, United Airlines (£625), KLM (£631), and Virgin Atlantic (£635) offers the cheapest pricing from Green Bay to London. United Airlines is currently priced 7% below the average price you’ll pay for this route.

  • What are the most popular routes from Green Bay to London?

  • Can I find deals for flights from Green Bay to London that include hotel bookings?

    Yes. In addition to deals on Green Bay to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to London?

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

  • Can I find deals for business class flights from Green Bay to London?

    Yes. Cheapflights offers flight deals from Green Bay to London 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 Green Bay to London?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to London (average of £112). Flying from Green Bay to London in August is currently the most expensive (average of £164). 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

Travelling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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.

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 Green Bay to London?

When you search for this flight from Green Bay to London, 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 Green Bay to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Green Bay to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Green Bay to London with no change fees?

Need flexible booking options for your flight to London from Green Bay? 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 Green Bay to London become cheaper?

Not ready to book yet? You can track prices for flights from Green Bay to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.