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

According to our current data, United Airlines (£460), Delta (£479), and KLM (£498) offers the cheapest pricing from Green Bay to London. United Airlines is currently priced 33% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Green Bay to London one-way?

The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £305. However, be on the lookout for offers from British Airways and United Airlines, as they are both options that can get you from Green Bay to London for a low price.

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.

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).

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

The most popular route from Green Bay to London is Green Bay Austin-Straubel - London Heathrow. You may also consider Green Bay Austin-Straubel - London City or Green Bay Austin-Straubel - London Gatwick.

What is the cheapest month to fly from Green Bay to London?

March is one of the best times of the year to fly to London from Green Bay. Prices for March average £689 per person but you can even find prices for as low as £527. The most expensive prices can be found in the month of June. Opting for a March flight can save you 51% on your journey compared to booking in June

What is the cheapest time of day to fly from GRB to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Green Bay to London as you normally would.

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.

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.

£305+ Flights from Green Bay to London

Cheap flight deals from Green Bay to London

Round-trip from	£460
One-way from	£305
Popular in	June
Cheapest in	March
Average price	£861

United Airlines
24/9-3/10
3 total stops
40h 00m total
Green Bay to London

Search Deals

KLM
10/9
1 total stop
9h 44m total
Green Bay to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£111 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 2 July 2025.

Wed 24/915:45GRB - LHR

1 stop14h 00mUnited Airlines

Fri 3/1014:05LHR - GRB

2 stops26h 00mUnited Airlines

Deal found 30/6£460

Wed 24/911:07GRB - LHR

2 stops18h 18mDelta

Fri 3/1010:55LHR - GRB

2 stops18h 05mDelta

Deal found 1/7£479

Tue 16/916:13GRB - LHR

1 stop14h 57mKLM

Tue 30/915:15LHR - GRB

1 stop13h 45mKLM

Deal found 30/6£498

Wed 24/916:35GRB - LHR

1 stop13h 40mAmerican Airlines

Tue 30/911:05LHR - GRB

1 stop12h 51mAmerican Airlines

Deal found 30/6£512

Tue 30/913:20GRB - LHR

2 stops27h 20mLufthansa

Sat 11/1019:10LHR - GRB

2 stops27h 40mLufthansa

Deal found 1/7£526

Fri 21/1111:28GRB - LHR

1 stop13h 22mBritish Airways

Fri 28/1111:00LHR - GRB

1 stop16h 31mBritish Airways

Deal found 30/6£610

Thu 16/1011:00GRB - LCY

2 stops15h 10mDelta

Fri 24/1007:45LCY - GRB

2 stops18h 53mDelta

Deal found 30/6£623

Sun 19/1017:25GRB - LCY

2 stops17h 00mMultiple Airlines

Sun 26/1017:15LCY - GRB

2 stops52h 31mMultiple Airlines

Deal found 30/6£757

Tue 8/716:21GRB - LHR

1 stop14h 49mVirgin Atlantic

Tue 15/711:30LHR - GRB

2 stops16h 33mVirgin Atlantic

Deal found 1/7£907

Thu 14/817:23GRB - LHR

2 stops19h 02mMultiple Airlines

Thu 21/807:05LHR - GRB

3 stops20h 38mMultiple Airlines

Deal found 30/6£1,474

Tue 8/711:13GRB - LGW

2 stops16h 47mDelta

Tue 15/712:00LGW - GRB

2 stops17h 22mDelta

Deal found 1/7£1,692

Tue 8/716:21GRB - LGW

3 stops33h 34mMultiple Airlines

Tue 15/710:45LGW - GRB

3 stops35h 38mMultiple Airlines

Deal found 1/7£1,706

Best flights from Green Bay to London
Discover carefully curated flight deals from Green Bay to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 July 2025.

Wed 24/915:45GRB - LHR

1 stop14h 00mUnited Airlines

Fri 3/1014:05LHR - GRB

2 stops26h 00mUnited Airlines

Deal found 30/6£460

Wed 24/911:07GRB - LHR

2 stops18h 18mDelta

Fri 3/1010:55LHR - GRB

2 stops18h 05mDelta

Deal found 1/7£479

Tue 16/916:13GRB - LHR

1 stop14h 57mKLM

Tue 30/915:15LHR - GRB

1 stop13h 45mKLM

Deal found 30/6£498

Wed 24/916:35GRB - LHR

1 stop13h 40mAmerican Airlines

Tue 30/911:05LHR - GRB

1 stop12h 51mAmerican Airlines

Deal found 30/6£512

Tue 30/913:20GRB - LHR

2 stops27h 20mLufthansa

Sat 11/1019:10LHR - GRB

2 stops27h 40mLufthansa

Deal found 1/7£526

Fri 21/1111:28GRB - LHR

1 stop13h 22mBritish Airways

Fri 28/1111:00LHR - GRB

1 stop16h 31mBritish Airways

Deal found 30/6£610

Sun 19/1017:25GRB - LCY

2 stops17h 00mMultiple Airlines

Sun 26/1017:15LCY - GRB

2 stops52h 31mMultiple Airlines

Deal found 30/6£757

Thu 16/1011:00GRB - LCY

2 stops15h 10mDelta

Fri 24/1007:45LCY - GRB

2 stops18h 53mDelta

Deal found 30/6£623

Thu 14/817:23GRB - LHR

2 stops19h 02mMultiple Airlines

Thu 21/807:05LHR - GRB

3 stops20h 38mMultiple Airlines

Deal found 30/6£1,474

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated 2 July 2025 and is based on user searches.

Tue 8/716:21GRB - LHR

1 stop14h 49mVirgin Atlantic

Tue 15/711:30LHR - GRB

2 stops16h 33mVirgin Atlantic

Deal found 1/7£907

Tue 8/714:51GRB - LHR

1 stop14h 14mAmerican Airlines

Tue 15/713:10LHR - GRB

1 stop16h 19mAmerican Airlines

Deal found 1/7£930

Tue 8/712:10GRB - LCY

2 stops14h 40mDelta

Tue 15/709:20LCY - GRB

2 stops18h 43mDelta

Deal found 1/7£972

Tue 8/711:13GRB - LGW

2 stops16h 47mDelta

Tue 15/712:00LGW - GRB

2 stops17h 22mDelta

Deal found 1/7£1,692

Tue 8/716:21GRB - LGW

3 stops33h 34mMultiple Airlines

Tue 15/710:45LGW - GRB

3 stops35h 38mMultiple Airlines

Deal found 1/7£1,706

Tue 8/713:10GRB - LHR

2 stops21h 55mMultiple Airlines

Tue 15/719:50LHR - GRB

3 stops26h 58mMultiple Airlines

Deal found 1/7£1,725

Mon 21/705:32GRB - LHR

1 stop19h 43mDelta

Mon 28/720:10LHR - GRB

2 stops21h 20mDelta

Deal found 1/7£545

Mon 21/718:19GRB - LHR

1 stop11h 56mBritish Airways

Mon 28/709:15LHR - GRB

1 stop14h 34mBritish Airways

Deal found 1/7£760

Thu 14/815:49GRB - LHR

1 stop10h 31mUnited Airlines

Thu 21/807:25LHR - GRB

2 stops18h 25mUnited Airlines

Deal found 30/6£501

Thu 14/811:07GRB - LHR

1 stop15h 48mKLM

Thu 21/811:45LHR - GRB

1 stop14h 50mKLM

Deal found 30/6£512

Thu 14/817:23GRB - LHR

2 stops19h 02mMultiple Airlines

Thu 21/807:05LHR - GRB

3 stops20h 38mMultiple Airlines

Deal found 30/6£1,474

One-way flights from Green Bay to London
Search for one-way flight options from Green Bay to London. Find affordable one-way fares based on user searches. Data last updated 2 July 2025.

Wed 10/917:11GRB - LHR

1 stop9h 44mKLM

Deal found 1/7£305

Wed 10/916:35GRB - LHR

2 stops17h 50mBritish Airways

Deal found 1/7£308

Sun 13/708:00GRB - LHR

2 stops20h 00mUnited Airlines

Deal found 30/6£312

Wed 10/916:35GRB - LCY

2 stops17h 55mBritish Airways

Deal found 1/7£321

Sun 13/716:21GRB - LHR

2 stops15h 09mDelta

Deal found 30/6£352

Sun 13/711:13GRB - LGW

2 stops16h 47mDelta

Deal found 30/6£352

Sun 13/712:10GRB - LCY

2 stops13h 05mDelta

Deal found 30/6£401

Sun 13/713:10GRB - LCY

2 stops13h 00mLufthansa

Deal found 30/6£594

Wed 10/916:35GRB - LGW

2 stops21h 25mBritish Airways

Deal found 1/7£677

Sun 13/713:10GRB - LHR

3 stops37h 00mMultiple Airlines

Deal found 30/6£1,056

Sun 13/713:10GRB - LCY

3 stops39h 35mMultiple Airlines

Deal found 30/6£1,107

Sun 13/713:10GRB - LGW

3 stops26h 25mMultiple Airlines

Deal found 30/6£1,144

Cheapflights Fare Finder

Use the filters below to find and compare flights from Green Bay to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 24/9

06:15-06:30

2 stops18h 15m

London Heathrow

Fri 3/10

14:05-10:05

2 stops26h 00m

£460

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 24/9

11:07-08:50

2 stops15h 43m

London Heathrow

Tue 30/9

12:25-23:00

2 stops16h 35m

£479

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 16/9

16:13-13:10

1 stop14h 57m

London Heathrow

Tue 30/9

15:15-23:00

1 stop13h 45m

£498

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 24/9

16:35-12:15

1 stop13h 40m

London Heathrow

Tue 30/9

11:05-17:56

1 stop12h 51m

£512

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 30/9

13:20-22:40

2 stops27h 20m

London Heathrow

Sat 11/10

19:10-16:50

2 stops27h 40m

£526

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 21/11

11:28-06:50

1 stop13h 22m

London Heathrow

Fri 28/11

11:00-21:31

1 stop16h 31m

£610

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Thu 16/10

11:00-08:10

2 stops15h 10m

London City

Fri 24/10

07:45-20:38

2 stops18h 53m

£623

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 19/10

17:25-16:25

2 stops17h 00m

London City

Sun 26/10

17:15-16:46

2 stops52h 31m

£757

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 14/8

17:23-18:25

2 stops19h 02m

London Heathrow

Thu 21/8

07:05-21:43

3 stops20h 38m

£1,474

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 10/9

17:11-08:55

1 stop9h 44m

£305

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 21 results

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.

How much does it cost for a return flight from Green Bay to London?

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Green Bay to London 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.

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,975 reviews

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,858 reviews

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,204 reviews

Delta

8.0

Very Good

7,975 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 (£460), Delta (£479), and KLM (£498) offers the cheapest pricing from Green Bay to London. United Airlines is currently priced 33% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Green Bay to London one-way?
The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £305. However, be on the lookout for offers from British Airways and United Airlines, as they are both options that can get you from Green Bay to London for a low price.
What are the most popular routes from Green Bay to London?
The most popular route from Green Bay to London is Green Bay Austin-Straubel - London Heathrow. You may also consider Green Bay Austin-Straubel - London City or Green Bay Austin-Straubel - London Gatwick.
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

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Why should you use Cheapflights to find cheap flight tickets from Green Bay to London?

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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.

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Cheap flights from Green Bay to London from £305

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Green Bay to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Green Bay to London

Cheapest flights from Green Bay to LondonExplore 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 2 July 2025.

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 2 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Green Bay to London that are best for you.

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.

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?

How much does it cost for a return flight from Green Bay to London?

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 2 July 2025.

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Green Bay to London 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.

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?

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

What are the cheapest airlines to fly from Green Bay to London one-way?

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?

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

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

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

Travelling to a place near Green Bay?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Green Bay to London

See prices for flight routes from nearby airports that may be better suited for you.

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?

Why should you use Cheapflights to find cheap flight tickets from Green Bay to London?

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

Can Cheapflights notify me if prices for flights from Green Bay to London become cheaper?

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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 2 July 2025.