How long is the flight from Green Bay to London?

Departing from Green Bay to London will take you 14h 35m. The distance between Green Bay and London is about 3854 mi. Both multi-stop and direct flights can be found to your destination and back.

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 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.

£236+ Cheap Flights from Green Bay to London

Cheap flight deals from Green Bay to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 19 August 2026.

Wed 18/1110:37 -

1 stop15h 18m

Fri 20/1106:50 -

2 stops18h 20m

Deal found 18/8£544

Sun 6/1210:45 -

2 stops18h 05m

Tue 8/1206:50 -

2 stops33h 40m

Deal found 15/8£547

Sun 6/1215:44 -

2 stops12h 21m

Tue 8/1207:40 -

1 stop12h 15m

Deal found 16/8£640

Sun 6/1214:40 -

1 stop11h 55m

Tue 8/1212:35 -

1 stop11h 47m

Deal found 16/8£642

Mon 2/1106:00 -

1 stop19h 05m

Wed 11/1108:40 -

2 stops20h 18m

Deal found 17/8£655

Wed 18/1112:25 -

2 stops14h 35m

Fri 20/1110:00 -

2 stops19h 12m

Deal found 18/8£657

Wed 18/1114:38 -

1 stop13h 47m

Fri 20/1112:35 -

1 stop11h 52m

Deal found 18/8£663

Tue 29/918:00 -

2 stops16h 40m

Tue 6/1010:00 -

2 stops18h 27m

Deal found 15/8£676

Fri 2/1018:00 -

2 stops16h 00m

Fri 9/1010:25 -

2 stops16h 36m

Deal found 18/8£789

Mon 12/1012:29 -

2 stops14h 21m

Mon 19/1008:25 -

2 stops19h 18m

Deal found 16/8£802

Mon 12/1020:04 -

2 stops17h 56m

Mon 19/1020:40 -

2 stops33h 32m

Deal found 16/8£891

Fri 2/1012:02 -

2 stops13h 53m

Fri 9/1008:25 -

2 stops19h 18m

Deal found 18/8£891

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 19 August 2026.

Sun 6/1210:45 -

2 stops18h 05m

Tue 8/1206:50 -

2 stops33h 40m

Deal found 15/8£547

Wed 18/1112:25 -

2 stops14h 35m

Fri 20/1110:00 -

2 stops19h 12m

Deal found 18/8£657

Tue 2/217:18 -

2 stops42h 22m

Mon 8/218:15 -

2 stops34h 34m

Deal found 16/8£694

Mon 12/1020:04 -

2 stops17h 56m

Mon 19/1020:40 -

2 stops33h 32m

Deal found 16/8£891

Sun 6/1214:40 -

2 stops22h 20m

Wed 9/1219:40 -

2 stops28h 42m

Deal found 17/8£918

Tue 8/1217:18 -

2 stops34h 47m

Fri 11/1207:40 -

1 stop12h 15m

Deal found 14/8£561

Tue 29/918:00 -

2 stops16h 40m

Tue 6/1010:00 -

2 stops18h 27m

Deal found 15/8£676

Sun 6/912:26 -

2 stops14h 09m

Tue 8/913:55 -

2 stops16h 21m

Deal found 17/8£1,375

Wed 23/913:10 -

1 stop18h 05m

Mon 28/906:30 -

2 stops21h 05m

Deal found 15/8£691

Sun 13/910:31 -

1 stop16h 29m

Wed 23/906:50 -

2 stops22h 29m

Deal found 16/8£692

Tue 2/217:18 -

2 stops42h 22m

Sun 7/217:15 -

2 stops35h 34m

Deal found 15/8£773

Tue 15/905:30 -

1 stop18h 55m

Fri 2/1006:30 -

2 stops21h 05m

Deal found 14/8£692

Sat 12/910:05 -

2 stops18h 45m

Sat 19/920:40 -

2 stops29h 16m

Deal found 14/8£991

Fri 2/1018:00 -

2 stops16h 00m

Fri 9/1010:25 -

2 stops16h 36m

Deal found 18/8£789

Mon 12/1012:29 -

2 stops14h 21m

Mon 19/1008:25 -

2 stops19h 18m

Deal found 16/8£802

Fri 2/1012:02 -

2 stops13h 53m

Fri 9/1008:25 -

2 stops19h 18m

Deal found 18/8£891

Sun 6/1214:40 -

2 stops17h 35m

Tue 8/1219:15 -

2 stops29h 07m

Deal found 14/8£1,322

Sun 6/911:07 -

2 stops16h 18m

Tue 8/910:35 -

2 stops17h 49m

Deal found 17/8£1,048

Sat 12/916:16 -

2 stops14h 59m

Sat 19/910:00 -

2 stops17h 35m

Deal found 14/8£1,440

Mon 8/217:18 -

2 stops33h 57m

Sun 14/217:15 -

2 stops29h 28m

Deal found 15/8£4,608

Find flight deals from Green Bay to London

Round-trip from	£544
One-way from	£236

United Airlines
18/11-20/11
3 total stops
33h 38m total
Green Bay to London

Search Deals

British Airways
17/11
1 total stop
19h 34m total
Green Bay to London

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 6/12

10:45-10:50

2 stops18h 05m

London Heathrow

Tue 8/12

06:50-10:30

2 stops33h 40m

£547

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 8/12

17:18-10:05

2 stops34h 47m

London Heathrow

Fri 11/12

07:40-13:55

1 stop12h 15m

£561

Green BayLondon

GRB Green Bay Austin-Straubel - LGW London Gatwick

GRBLGW

Green Bay Austin-Straubel

Wed 18/11

12:25-09:00

2 stops14h 35m

London Gatwick

Fri 20/11

10:00-23:12

2 stops19h 12m

£657

Green BayLondon

GRB Green Bay Austin-Straubel - LCY London City

GRBLCY

Green Bay Austin-Straubel

Tue 29/9

18:00-16:40

2 stops16h 40m

London City

Tue 6/10

10:00-22:27

2 stops18h 27m

£676

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 23/9

13:10-13:15

1 stop18h 05m

London Heathrow

Mon 28/9

06:30-21:35

2 stops21h 05m

£691

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 13/9

10:31-09:00

1 stop16h 29m

London Heathrow

Wed 23/9

06:50-23:19

2 stops22h 29m

£692

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 15/9

05:30-06:25

1 stop18h 55m

London Heathrow

Fri 2/10

06:30-21:35

2 stops21h 05m

£692

Green BayLondon

GRB Green Bay Austin-Straubel - LCY London City

GRBLCY

Green Bay Austin-Straubel

Tue 2/2

17:18-17:40

2 stops42h 22m

London City

Mon 8/2

18:15-22:49

2 stops34h 34m

£694

Green BayLondon

GRB Green Bay Austin-Straubel - LCY London City

GRBLCY

Green Bay Austin-Straubel

Tue 2/2

17:18-17:40

2 stops42h 22m

London City

Sun 7/2

17:15-22:49

2 stops35h 34m

£773

Green BayLondon

GRB Green Bay Austin-Straubel - LGW London Gatwick

GRBLGW

Green Bay Austin-Straubel

Fri 2/10

18:00-16:00

2 stops16h 00m

London Gatwick

Fri 9/10

10:25-21:01

2 stops16h 36m

£789

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 31 resultsSorted by cheapest first

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.

GRB-LON

GRB-LGW

GRB-LHR

GRB-LCY

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

GRB-LON

GRB-LGW

GRB-LHR

GRB-LCY

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

Currently, October is the cheapest month in which you can book a flight from Green Bay to London (average of £530). Flying from Green Bay to London in November is currently the most expensive (average of £3,615). 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.

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.
How long is the flight from Green Bay to London?
Departing from Green Bay to London will take you 14h 35m. The distance between Green Bay and London is about 3854 mi. Both multi-stop and direct flights can be found to your destination and back.
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, October is the cheapest month in which you can book a flight from Green Bay to London (average of £530). Flying from Green Bay to London in November is currently the most expensive (average of £3,615). 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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Cheap flights from Green Bay to London from £236

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 17/11. 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

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 19 August 2026.

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 19 August 2026.

Best flights from Green Bay to LondonDiscover 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 19 August 2026.

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 19 August 2026.

Last-minute flights from Green Bay to LondonDiscover last-minute flight deals from Green Bay to London. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute flight deals from Green Bay to London. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Green Bay to LondonSearch for one-way flight options from Green Bay to London. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Search for one-way flight options from Green Bay to London. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

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Best time to book a flight from Green Bay to London

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

Related info for your journey

What airport do you fly from for flights from Green Bay to London?

How long is the flight from Green Bay to London?

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?

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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 19 August 2026.

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 19 August 2026.

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated 19 August 2026 and is based on user searches.

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 19 August 2026.