How long is the flight from Green Bay to London?

Delta can get you from Green Bay to London in just under 14h 37m. Your travel time can differ by up to . Airlines will cover a distance of 3833 mi.

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

Currently priced at $676, American Airlines will fly you from Green Bay to London and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $754 and $767, respectively.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

Most travelers choose Green Bay Austin-Straubel - London Heathrow, Green Bay Austin-Straubel - London Gatwick or Green Bay Austin-Straubel - London City when deciding on the best route from Green Bay to London.

What are the most popular airlines that fly from Green Bay to London?

British Airways, American Airlines and United Airlines are the most popular airlines when flying from Green Bay to London.

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

When flying from Green Bay to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Green Bay-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Green Bay-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Located just 5.9 mi from the city center, Green Bay Austin-Straubel is the airport most travelers will use when flying to London from Green Bay. Booking flights from Austin-Straubel (GRB) to London should be relatively easy as there are 0 daily outbound flights to London from 3 different airlines.

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 vacation 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.

$339+ Cheap Flights from Green Bay to London

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Cheap flight deals from Green Bay to London

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 November 9, 2026.

Wed 11/1811:08 am -

1 stop14h 37m

Tue 11/246:30 am -

2 stops20h 05m

Deal found 11/7

$974

Wed 11/187:00 am -

1 stop18h 45m

Tue 11/2412:40 pm -

1 stop15h 49m

Deal found 11/7

$1,004

Fri 11/611:04 am -

1 stop14h 41m

Wed 11/1111:45 am -

2 stops14h 50m

Deal found 11/5

$1,024

Fri 11/611:04 am -

2 stops14h 51m

Tue 11/106:30 am -

2 stops15h 49m

Deal found 11/5

$1,028

Fri 11/612:29 pm -

1 stop12h 36m

Thu 11/1211:20 am -

1 stop15h 15m

Deal found 11/5

$1,053

Fri 11/611:04 am -

2 stops14h 51m

Fri 11/139:40 am -

2 stops18h 49m

Deal found 11/5

$1,058

Fri 11/612:29 pm -

1 stop12h 36m

Mon 11/166:30 am -

2 stops21h 34m

Deal found 11/5

$1,074

Thu 11/126:00 am -

2 stops19h 45m

Mon 11/168:40 am -

2 stops19h 49m

Deal found 11/8

$1,079

Fri 11/67:00 am -

1 stop18h 45m

Sun 11/156:20 am -

2 stops17h 06m

Deal found 11/5

$1,081

Best flights from Green Bay to London
Discover carefully curated flight deals from Green Bay to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Wed 11/1811:08 am -

1 stop14h 37m

Tue 11/246:30 am -

2 stops20h 05m

Deal found 11/7

$974

Wed 11/187:00 am -

1 stop18h 45m

Tue 11/2412:40 pm -

1 stop15h 49m

Deal found 11/7

$1,004

Thu 12/246:30 am -

1 stop18h 35m

Thu 12/3112:40 pm -

1 stop16h 33m

Deal found 11/9

$1,480

Wed 1/135:30 am -

1 stop20h 20m

Mon 1/258:40 am -

2 stops20h 04m

Deal found 11/5

$987

Tue 1/126:50 am -

2 stops19h 15m

Sun 1/2411:45 am -

2 stops14h 50m

Deal found 11/5

$991

Thu 11/126:00 am -

1 stop19h 05m

Mon 11/168:40 am -

2 stops19h 24m

Deal found 11/8

$1,074

Thu 12/247:00 am -

2 stops18h 05m

Thu 12/318:55 am -

2 stops20h 18m

Deal found 11/9

$1,383

Mon 12/217:00 am -

1 stop18h 45m

Mon 12/286:30 am -

2 stops20h 13m

Deal found 11/5

$1,620

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated November 9, 2026 and is based on user searches.

Fri 11/612:29 pm -

1 stop12h 36m

Tue 11/106:30 am -

2 stops21h 34m

Deal found 11/5

$1,024

Fri 11/611:04 am -

1 stop14h 41m

Fri 11/138:55 am -

1 stop19h 34m

Deal found 11/5

$1,053

Fri 11/611:04 am -

2 stops14h 51m

Fri 11/1310:50 am -

1 stop17h 39m

Deal found 11/5

$1,058

Fri 11/611:04 am -

1 stop14h 41m

Sat 11/146:30 am -

2 stops15h 44m

Deal found 11/5

$1,074

Fri 11/67:00 am -

1 stop18h 45m

Sun 11/156:20 am -

2 stops17h 06m

Deal found 11/5

$1,081

Thu 11/126:00 am -

2 stops19h 45m

Mon 11/168:40 am -

2 stops19h 49m

Deal found 11/8

$1,079

Wed 11/1811:08 am -

1 stop14h 37m

Tue 11/246:30 am -

2 stops20h 05m

Deal found 11/7

$974

Wed 11/187:00 am -

1 stop18h 45m

Tue 11/2412:40 pm -

1 stop15h 49m

Deal found 11/7

$1,004

Find flight deals from Green Bay to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$974 (Delta)
One-way from	$339 (Delta)

Provider with most accurate pricing for Green Bay Austin-Straubel-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-London (LON) flights.

Search Deals

From Green Bay Austin-Straubel to London (LON)

Search Deals

One-way flight from Green Bay Austin-Straubel to London (LON)

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 4/20

12:30 pm-1:05 pm

1 stop18h 35m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$339

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 11/18

11:08 am-7:45 am

1 stop14h 37m

London Heathrow

Tue 11/24

6:30 am-8:35 pm

2 stops20h 05m

$974

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 1/13

5:30 am-7:50 am

1 stop20h 20m

London Heathrow

Mon 1/25

8:40 am-10:44 pm

2 stops20h 04m

$987

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 1/12

6:50 am-8:05 am

2 stops19h 15m

London Heathrow

Sun 1/24

11:45 am-8:35 pm

2 stops14h 50m

$991

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 11/18

7:00 am-7:45 am

1 stop18h 45m

London Heathrow

Tue 11/24

12:40 pm-10:29 pm

1 stop15h 49m

$1,004

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Thu 11/12

6:00 am-7:05 am

1 stop19h 05m

London Heathrow

Mon 11/16

8:40 am-10:04 pm

2 stops19h 24m

$1,074

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Thu 12/24

7:00 am-7:05 am

2 stops18h 05m

London Heathrow

Thu 12/31

8:55 am-11:13 pm

2 stops20h 18m

$1,383

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Thu 12/24

6:30 am-7:05 am

1 stop18h 35m

London Heathrow

Thu 12/31

12:40 pm-11:13 pm

1 stop16h 33m

$1,480

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Mon 12/21

7:00 am-7:45 am

1 stop18h 45m

London Heathrow

Mon 12/28

6:30 am-8:43 pm

2 stops20h 13m

$1,620

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Sorted by cheapest first

Compare providers for flights from Green Bay to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to London in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Green Bay-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Green Bay-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?
Located just 5.9 mi from the city center, Green Bay Austin-Straubel is the airport most travelers will use when flying to London from Green Bay. Booking flights from Austin-Straubel (GRB) to London should be relatively easy as there are 0 daily outbound flights to London from 3 different airlines.
How long is the flight from Green Bay to London?
Delta can get you from Green Bay to London in just under 14h 37m. Your travel time can differ by up to . Airlines will cover a distance of 3833 mi.
What are the cheapest airlines flying from Green Bay to London round-trip?
Currently priced at $676, American Airlines will fly you from Green Bay to London and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $754 and $767, respectively.
What are the most popular routes from Green Bay to London?
Most travelers choose Green Bay Austin-Straubel - London Heathrow, Green Bay Austin-Straubel - London Gatwick or Green Bay Austin-Straubel - London City when deciding on the best route 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 vacation 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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Top 3 airlines flying from Green Bay to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$676	Average$1,018	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$754	Average$911	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$767	Average$920	FlexibilityNo cancel fee	On-time69%

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$339+ Cheap flights from Green Bay (GRB) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Green Bay to London with Cheapflights

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2. Select your favorite providers

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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 November 9, 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 November 9, 2026.

Best flights from Green Bay to LondonDiscover carefully curated flight deals from Green Bay to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Discover carefully curated flight deals from Green Bay to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Last-minute flights from Green Bay to LondonDiscover last-minute flight deals from Green Bay to London. Data last updated November 9, 2026 and is based on user searches.

Discover last-minute flight deals from Green Bay to London. Data last updated November 9, 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 November 9, 2026.

Search for one-way flight options from Green Bay to London. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Find flight deals from Green Bay to London

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Most trusted provider

Round-trip from

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

Compare providers for flights from Green Bay to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to London in November.

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

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

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?

Traveling to a place near London?

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Alternative routes for Green Bay to London

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Complete your trip

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Search flights from Green Bay to London by cabin class

Find flights from Green Bay to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 November 9, 2026.

Green Bay and London flights

Browse other Green Bay and London flight options. Last updated on November 9, 2026.

Other flights from Green Bay

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Top 3 airlines flying 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 November 9, 2026.

Best flights from Green Bay to London
Discover carefully curated flight deals from Green Bay to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated November 9, 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 November 9, 2026.