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

Currently priced at $650, British Airways will fly you from Green Bay to London and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $654 and $656, respectively. Users have found that British Airways is 29% 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.

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 City or Green Bay Austin-Straubel - London Gatwick 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 August, with the cheapest ticket starting at $497.

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.

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.

$439+ Flights from Green Bay to London

Q: How much does it cost to fly round-trip from Green Bay to London?

Airfare is typical for this route at the moment. Green Bay to London flights typically cost between $628 and $954 in October. The cheapest round-trip price found within the last 3 days was $650 on British Airways (Oct 22-Nov 12).

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Cheap flight deals from Green Bay to London

Round-trip from	$650 (Expedia)
Popular in	June
Cheapest in	August
Average price	$1,191

From Green Bay Austin-Straubel to London (LON)

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($236 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT 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 July 30, 2025.

Wed 10/223:02 pmGRB - LHR

1 stop10h 18mBritish Airways

Wed 11/1211:00 amLHR - GRB

1 stop14h 22mBritish Airways

Deal found 7/29

$650

Wed 9/244:35 pmGRB - LHR

1 stop10h 35mAmerican Airlines

Fri 10/39:15 amLHR - GRB

2 stops14h 41mAmerican Airlines

Deal found 7/30

$654

Wed 9/245:01 pmGRB - LHR

2 stops14h 29mDelta

Fri 10/312:25 pmLHR - GRB

1 stop15h 38mDelta

Deal found 7/29

$656

Fri 11/284:00 pmGRB - LHR

1 stop14h 15mVirgin Atlantic

Thu 12/42:20 pmLHR - GRB

1 stop13h 38mVirgin Atlantic

Deal found 7/30

$663

Fri 11/281:20 pmGRB - LHR

2 stops15h 05mUnited Airlines

Thu 12/49:00 amLHR - GRB

2 stops16h 57mUnited Airlines

Deal found 7/30

$670

Sun 10/261:20 pmGRB - LHR

2 stops25h 15mLufthansa

Tue 11/116:35 amLHR - GRB

2 stops21h 03mLufthansa

Deal found 7/29

$758

Wed 10/85:20 pmGRB - LCY

2 stops17h 20mDelta

Fri 10/317:45 amLCY - GRB

2 stops20h 58mDelta

Deal found 7/30

$875

Sun 10/193:02 pmGRB - LGW

2 stops37h 53mBritish Airways

Sun 10/2611:00 amLGW - GRB

2 stops41h 30mBritish Airways

Deal found 7/30

$934

Tue 8/511:13 amGRB - LGW

2 stops16h 47mDelta

Tue 8/1212:00 pmLGW - GRB

2 stops17h 22mDelta

Deal found 7/29

$1,061

Fri 9/128:00 amGRB - LCY

3 stops21h 40mMultiple Airlines

Fri 9/198:55 amLCY - GRB

2 stops18h 48mMultiple Airlines

Deal found 7/28

$1,243

Tue 8/51:10 pmGRB - LCY

2 stops13h 00mLufthansa

Tue 8/128:45 amLCY - GRB

2 stops18h 52mLufthansa

Deal found 7/29

$1,497

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 July 30, 2025.

Wed 10/223:02 pmGRB - LHR

1 stop10h 18mBritish Airways

Wed 11/1211:00 amLHR - GRB

1 stop14h 22mBritish Airways

Deal found 7/29

$650

Wed 9/244:35 pmGRB - LHR

1 stop10h 35mAmerican Airlines

Fri 10/39:15 amLHR - GRB

2 stops14h 41mAmerican Airlines

Deal found 7/30

$654

Wed 9/245:01 pmGRB - LHR

2 stops14h 29mDelta

Fri 10/312:25 pmLHR - GRB

1 stop15h 38mDelta

Deal found 7/29

$656

Fri 11/284:00 pmGRB - LHR

1 stop14h 15mVirgin Atlantic

Thu 12/42:20 pmLHR - GRB

1 stop13h 38mVirgin Atlantic

Deal found 7/30

$663

Fri 11/281:20 pmGRB - LHR

2 stops15h 05mUnited Airlines

Thu 12/49:00 amLHR - GRB

2 stops16h 57mUnited Airlines

Deal found 7/30

$670

Sun 10/261:20 pmGRB - LHR

2 stops25h 15mLufthansa

Tue 11/116:35 amLHR - GRB

2 stops21h 03mLufthansa

Deal found 7/29

$758

Fri 9/128:00 amGRB - LCY

3 stops21h 40mMultiple Airlines

Fri 9/198:55 amLCY - GRB

2 stops18h 48mMultiple Airlines

Deal found 7/28

$1,243

Wed 10/85:20 pmGRB - LCY

2 stops17h 20mDelta

Fri 10/317:45 amLCY - GRB

2 stops20h 58mDelta

Deal found 7/30

$875

Sun 10/193:02 pmGRB - LGW

2 stops37h 53mBritish Airways

Sun 10/2611:00 amLGW - GRB

2 stops41h 30mBritish Airways

Deal found 7/30

$934

Last-minute flights from Green Bay to London
Discover last-minute flight deals from Green Bay to London. Data last updated July 30, 2025 and is based on user searches.

Tue 8/56:19 pmGRB - LHR

1 stop10h 01mBritish Airways

Tue 8/125:20 pmLHR - GRB

2 stops30h 51mBritish Airways

Deal found 7/29

$791

Tue 8/51:10 pmGRB - LHR

1 stop11h 10mUnited Airlines

Tue 8/1211:05 amLHR - GRB

1 stop11h 43mUnited Airlines

Deal found 7/29

$1,048

Tue 8/511:13 amGRB - LGW

2 stops16h 47mDelta

Tue 8/1212:00 pmLGW - GRB

2 stops17h 22mDelta

Deal found 7/29

$1,061

Tue 8/54:21 pmGRB - LHR

1 stop14h 49mMultiple Airlines

Tue 8/123:15 pmLHR - GRB

1 stop14h 07mMultiple Airlines

Deal found 7/29

$1,098

Tue 8/51:10 pmGRB - LCY

2 stops13h 00mLufthansa

Tue 8/128:45 amLCY - GRB

2 stops18h 52mLufthansa

Deal found 7/29

$1,497

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 July 30, 2025.

Sun 10/128:08 pmGRB - LGW

2 stops32h 47mBritish Airways

Deal found 7/28

$439

Wed 10/111:11 amGRB - LHR

2 stops13h 39mBritish Airways

Deal found 7/29

$2,054

Wed 10/15:25 pmGRB - LHR

1 stop12h 20mLufthansa

Deal found 7/29

$2,898

Wed 10/14:35 pmGRB - LCY

2 stops17h 55mBritish Airways

Deal found 7/29

$3,341

Fly from

Fly to

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 10/22

3:02 pm-7:20 am

1 stop10h 18m

London Heathrow

Wed 11/12

11:00 am-7:22 pm

1 stop14h 22m

$650

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

4:35 pm-9:10 am

1 stop10h 35m

London Heathrow

Fri 10/3

9:15 am-5:56 pm

2 stops14h 41m

$654

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:01 pm-1:30 pm

2 stops14h 29m

London Heathrow

Fri 10/3

12:25 pm-10:03 pm

1 stop15h 38m

$656

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

4:00 pm-12:15 pm

1 stop14h 15m

London Heathrow

Thu 12/4

2:20 pm-9:58 pm

1 stop13h 38m

$663

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

1:20 pm-10:25 am

2 stops15h 05m

London Heathrow

Thu 12/4

9:00 am-7:57 pm

2 stops16h 57m

$670

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 10/26

1:20 pm-7:35 pm

2 stops25h 15m

London Heathrow

Tue 11/11

6:35 am-9:38 pm

2 stops21h 03m

$758

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Wed 10/8

5:20 pm-4:40 pm

2 stops17h 20m

London City

Fri 10/31

7:45 am-11:43 pm

2 stops20h 58m

$875

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Sun 10/19

3:02 pm-10:55 am

2 stops37h 53m

London Gatwick

Sun 10/26

11:00 am-11:30 pm

2 stops41h 30m

$934

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Fri 9/12

8:00 am-11:40 am

3 stops21h 40m

London City

Fri 9/19

8:55 am-9:43 pm

2 stops18h 48m

$1,243

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Sun 10/12

8:08 pm-10:55 am

2 stops32h 47m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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 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 $1,097). 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 to fly round-trip from Green Bay to London?

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Green Bay to London, such as Delta, United Airlines, and Virgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

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

7,980 reviews

Delta

8.0

Very good

7,980 reviews

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

8,896 reviews

Delta

8.0

Very good

7,980 reviews

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!

Virgin Atlantic

7.4

Good

655 reviews

Delta

8.0

Very good

7,980 reviews

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

7,980 reviews

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

7,269 reviews

Delta

8.0

Very good

7,980 reviews

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?
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 $650, British Airways will fly you from Green Bay to London and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $654 and $656, respectively. Users have found that British Airways is 29% 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 City or Green Bay Austin-Straubel - London Gatwick 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 $1,097). 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

Harrow

Canterbury

Dover

Orpington

Watford

Gatwick

Borehamwood

Dartford

Aylesbury

Chelmsford

Folkestone

Southend-on-Sea

Chichester

Arundel

Milton Keynes

Bishop's Stortford

Eastbourne

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Top 3 airlines flying from Green Bay to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$699	Average$1,412	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$701	Average$857	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$734	Average$840	FlexibilityNo cancel fee	On-time70%

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$439+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Green Bay to London

Round-trip from

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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 July 30, 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 July 30, 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 to fly round-trip 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 July 30, 2025.

Read through reviews of airlines operating flights from Green Bay to London, such as Delta, United Airlines, and Virgin Atlantic. Reviews also offer insight into each airline's 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 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 London?

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Alternative routes for Green Bay to London

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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 July 30, 2025.