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

Currently priced at $759, United Airlines will fly you from Green Bay to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $768 and $782, respectively. Users have found that United Airlines is 15% cheaper than the other options available to this destination.

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

Travelers seeking maximum savings on their Green Bay to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

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

What is the cheapest day to fly round-trip from Green Bay to London?

Flights from Green Bay to London are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

Flights from Green Bay to London lean towards being more expensive in June. Prices are generally better when you fly from Green Bay to London in March, with the cheapest ticket starting at $722.

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 fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight in the morning.

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.

$466+ Flights from Green Bay to London

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Cheap flight deals from Green Bay to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$759 (United Airlines)
Popular in	June
Cheapest in	March
Average price	$741

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

Highest demand for flights based on searches. 16% potential increase in price ($170 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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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 March 31, 2025.

Wed 4/236:45 amGRB - LHR

2 stops19h 50mUnited Airlines

Wed 5/72:05 pmLHR - GRB

2 stops31h 05mUnited Airlines

Deal found 3/30

$759

Wed 4/237:00 amGRB - LHR

1 stop19h 55mDelta

Wed 5/79:55 amLHR - GRB

2 stops17h 30mDelta

Deal found 3/30

$768

Mon 9/226:34 pmGRB - LHR

1 stop11h 41mBritish Airways

Mon 9/297:25 pmLHR - GRB

2 stops33h 47mBritish Airways

Deal found 3/30

$769

Wed 4/231:30 pmGRB - LHR

1 stop13h 25mKLM

Wed 5/71:05 pmLHR - GRB

1 stop14h 20mKLM

Deal found 3/30

$782

Mon 11/36:36 pmGRB - LHR

1 stop9h 49mAmerican Airlines

Thu 11/138:40 amLHR - GRB

2 stops15h 02mAmerican Airlines

Deal found 3/31

$825

Wed 5/145:00 pmGRB - LHR

1 stop9h 55mMultiple Airlines

Wed 5/2111:45 amLHR - GRB

1 stop15h 39mMultiple Airlines

Deal found 3/30

$828

Wed 5/146:44 amGRB - LCY

2 stops23h 46mMultiple Airlines

Wed 5/217:20 pmLCY - GRB

2 stops30h 03mMultiple Airlines

Deal found 3/30

$971

Mon 9/221:22 pmGRB - LCY

2 stops21h 03mLufthansa

Mon 9/297:10 pmLCY - GRB

2 stops32h 04mLufthansa

Deal found 3/30

$1,033

Thu 10/1611:30 amGRB - LCY

2 stops27h 40mBritish Airways

Fri 10/244:05 pmLCY - GRB

2 stops37h 08mBritish Airways

Deal found 3/31

$1,078

Mon 9/226:10 pmGRB - LGW

2 stops19h 50mBritish Airways

Mon 9/298:40 pmLGW - GRB

2 stops27h 00mBritish Airways

Deal found 3/30

$1,094

Fri 4/411:12 amGRB - LCY

2 stops16h 18mDelta

Fri 4/117:45 amLCY - GRB

2 stops18h 41mDelta

Deal found 3/31

$1,957

Sun 7/611:04 amGRB - LGW

2 stops16h 56mDelta

Sun 7/1312:00 pmLGW - GRB

2 stops16h 58mDelta

Deal found 3/30

$2,521

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 March 31, 2025.

Wed 4/236:45 amGRB - LHR

2 stops19h 50mUnited Airlines

Wed 5/72:05 pmLHR - GRB

2 stops31h 05mUnited Airlines

Deal found 3/30

$759

Wed 4/237:00 amGRB - LHR

1 stop19h 55mDelta

Wed 5/79:55 amLHR - GRB

2 stops17h 30mDelta

Deal found 3/30

$768

Wed 4/231:30 pmGRB - LHR

1 stop13h 25mKLM

Wed 5/71:05 pmLHR - GRB

1 stop14h 20mKLM

Deal found 3/30

$782

Wed 5/145:00 pmGRB - LHR

1 stop9h 55mMultiple Airlines

Wed 5/2111:45 amLHR - GRB

1 stop15h 39mMultiple Airlines

Deal found 3/30

$828

Sun 5/410:50 amGRB - LCY

2 stops16h 30mLufthansa

Mon 5/127:10 pmLCY - GRB

2 stops27h 41mLufthansa

Deal found 3/31

$1,135

Wed 4/234:35 pmGRB - LGW

2 stops21h 25mBritish Airways

Wed 5/78:40 pmLGW - GRB

2 stops27h 10mBritish Airways

Deal found 3/30

$1,302

Wed 5/146:44 amGRB - LCY

2 stops23h 46mMultiple Airlines

Wed 5/217:20 pmLCY - GRB

2 stops30h 03mMultiple Airlines

Deal found 3/30

$971

Fri 4/411:12 amGRB - LCY

2 stops16h 18mDelta

Fri 4/117:45 amLCY - GRB

2 stops18h 41mDelta

Deal found 3/31

$1,957

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated March 31, 2025 and is based on user searches.

Fri 4/411:12 amGRB - LCY

2 stops16h 18mDelta

Fri 4/117:45 amLCY - GRB

2 stops18h 41mDelta

Deal found 3/31

$1,957

Wed 4/236:45 amGRB - LHR

2 stops19h 50mUnited Airlines

Wed 5/72:05 pmLHR - GRB

2 stops31h 05mUnited Airlines

Deal found 3/30

$759

Wed 4/237:00 amGRB - LHR

1 stop19h 55mDelta

Wed 5/79:55 amLHR - GRB

2 stops17h 30mDelta

Deal found 3/30

$768

Wed 4/231:30 pmGRB - LHR

1 stop13h 25mKLM

Wed 5/71:05 pmLHR - GRB

1 stop14h 20mKLM

Deal found 3/30

$782

Wed 4/234:35 pmGRB - LGW

2 stops21h 25mBritish Airways

Wed 5/78:40 pmLGW - GRB

2 stops27h 10mBritish Airways

Deal found 3/30

$1,302

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 4/23

6:45 am-8:35 am

2 stops19h 50m

London Heathrow

Wed 5/7

2:05 pm-3:10 pm

2 stops31h 05m

$759

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 4/23

7:00 am-8:55 am

1 stop19h 55m

London Heathrow

Wed 5/7

9:55 am-9:25 pm

2 stops17h 30m

$768

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 9/22

6:34 pm-12:15 pm

1 stop11h 41m

London Heathrow

Mon 9/29

7:25 pm-11:12 pm

2 stops33h 47m

$769

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 4/23

1:30 pm-8:55 am

1 stop13h 25m

London Heathrow

Wed 5/7

1:05 pm-9:25 pm

1 stop14h 20m

$782

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 5/14

5:00 pm-8:55 am

1 stop9h 55m

London Heathrow

Wed 5/21

11:45 am-9:24 pm

1 stop15h 39m

$828

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Wed 5/14

6:44 am-12:30 pm

2 stops23h 46m

London City

Wed 5/21

7:20 pm-7:23 pm

2 stops30h 03m

$971

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Mon 9/22

1:22 pm-4:25 pm

2 stops21h 03m

London City

Mon 9/29

7:10 pm-9:14 pm

2 stops32h 04m

$1,033

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Mon 9/22

6:10 pm-8:00 pm

2 stops19h 50m

London Gatwick

Mon 9/29

8:40 pm-5:40 pm

2 stops27h 00m

$1,094

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Sun 7/6

11:04 am-10:00 am

2 stops16h 56m

London Gatwick

Sun 7/13

12:00 pm-10:58 pm

2 stops16h 58m

$2,521

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/9

1:22 pm-6:20 am

1 stop10h 58m

London Heathrow

Mon 9/15

8:25 pm-4:49 pm

2 stops26h 24m

$4,602

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 14 results

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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.

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

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

Currently, November is the cheapest month in which you can book a flight from Green Bay to London (average of $661). Flying from Green Bay to London in June is currently the most expensive (average of $1,110). 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

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.

Temperature in London 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 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).

Reviews of airlines servicing London

Delta

8.0

Very good

7,899 reviews

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.

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

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.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,899 reviews

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.

United Airlines

7.4

Good

8,614 reviews

Delta

8.0

Very good

7,899 reviews

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.

Lufthansa

6.7

Okay

6,960 reviews

Delta

8.0

Very good

7,899 reviews

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.

British Airways

6.6

Okay

6,713 reviews

Delta

8.0

Very good

7,899 reviews

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

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.
What are the cheapest airlines flying from Green Bay to London round-trip?
Currently priced at $759, United Airlines will fly you from Green Bay to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $768 and $782, respectively. Users have found that United Airlines is 15% cheaper than the other options available to this destination.
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.
What is the cheapest month to book a flight from Green Bay to London?
Currently, November is the cheapest month in which you can book a flight from Green Bay to London (average of $661). Flying from Green Bay to London in June is currently the most expensive (average of $1,110). 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

Hounslow

Hayes

Thornton Heath

Luton

Wembley

Harrow

Horley

Canterbury

Dover

Gatwick

Orpington

Watford

Milton Keynes

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Chelmsford

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Green Bay to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$701	Average$1,099	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$701	Average$1,048	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$734	Average$875	FlexibilityNo cancel fee	On-time70%

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$466+ Cheap flights from Green Bay (GRB) to London (LON)

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 8/10. 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

Most accurate provider

Most trusted provider

Round-trip from

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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 March 31, 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 March 31, 2025.

Cheapflights Fare Finder

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 March.

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?

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

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 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?

Traveling to a place near Green Bay?

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.

Alternative routes for Green Bay to London

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

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 March 31, 2025.