How long is the flight from Green Bay to London?

Departing from Green Bay to London will take you 17h 40m. The distance between Green Bay and London is about 3833 mi.

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.

£685+ 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

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 20 October 2026.

Wed 18/1107:00 -

1 stop18h 45m

Tue 24/1110:00 -

2 stops18h 29m

Deal found 18/10£685

Wed 18/1112:33 -

1 stop12h 32m

Tue 24/1111:20 -

1 stop12h 06m

Deal found 18/10£706

Sun 29/1106:00 -

1 stop19h 05m

Sun 6/1206:30 -

2 stops16h 01m

Deal found 15/10£721

Wed 11/1107:00 -

1 stop18h 45m

Wed 18/1106:20 -

2 stops15h 59m

Deal found 17/10£727

Wed 11/1112:33 -

1 stop12h 32m

Wed 18/1112:40 -

1 stop15h 49m

Deal found 17/10£744

Fri 4/1205:20 -

1 stop20h 30m

Fri 11/1208:55 -

1 stop19h 55m

Deal found 20/10£745

Fri 4/1207:00 -

2 stops17h 50m

Fri 11/1208:55 -

1 stop19h 55m

Deal found 20/10£748

Tue 15/1218:08 -

2 stops13h 37m

Mon 21/1211:20 -

1 stop15h 23m

Deal found 19/10£805

Sun 18/1005:30 -

1 stop18h 55m

Sun 25/1010:50 -

1 stop16h 37m

Deal found 17/10£822

Find flight deals from Green Bay to London

Round-trip from	£685

Delta
18/11-24/11
3 total stops
37h 14m 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

Thu 14/1

10:50-10:30

2 stops17h 40m

London Heathrow

Wed 27/1

11:45-20:37

2 stops14h 52m

£705

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 29/11

06:00-07:05

1 stop19h 05m

London Heathrow

Sun 6/12

06:30-16:31

2 stops16h 01m

£721

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 11/11

07:00-07:45

1 stop18h 45m

London Heathrow

Wed 18/11

06:20-16:19

2 stops15h 59m

£727

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Thu 7/1

12:30-11:40

2 stops17h 10m

London Heathrow

Wed 20/1

11:45-20:37

2 stops14h 52m

£733

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 12/1

07:00-07:50

2 stops18h 50m

London Heathrow

Sun 24/1

06:30-16:28

2 stops15h 58m

£733

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Thu 7/1

08:00-07:55

1 stop17h 55m

London Heathrow

Wed 20/1

06:50-17:11

2 stops16h 21m

£784

Fastest return journey

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 15/12

18:08-13:45

2 stops13h 37m

London Heathrow

Mon 21/12

11:20-20:43

1 stop15h 23m

£805

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Sorted 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-LHR

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-LHR

No data available for this route at this time. Please check back soon.

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 17h 40m. The distance between Green Bay and London is about 3833 mi.
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.

See more FAQs

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Cheap flights from Green Bay to London from £685

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. 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 20 October 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 20 October 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 20 October 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 20 October 2026.

Last-minute flights from Green Bay to LondonDiscover last-minute flight deals from Green Bay to London. Data last updated 20 October 2026 and is based on user searches.

Discover last-minute flight deals from Green Bay to London. Data last updated 20 October 2026 and is based on user searches.

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Best time to book a flight from Green Bay to London

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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?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Green Bay to London

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Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Green Bay to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 October 2026.

Green Bay and London flights

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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 20 October 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 20 October 2026.

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated 20 October 2026 and is based on user searches.