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$598+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Green Bay to London

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$598
(Delta)

Popular in

June

Cheapest in

August

Average price

$748
Provider with most accurate pricing for Green Bay Austin-Straubel-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-London (LON) flights.
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From Green Bay Austin-Straubel to London (LON)
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Highest demand for flights based on searches. 20% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Netflights deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:52 pmGRB - LHR
1 stop11h 53mVirgin Atlantic
Thu 12/410:45 amLHR - GRB
1 stop17h 52mVirgin Atlantic
Deal found 11/11$609
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:19 amGRB - LHR
1 stop20h 31mDelta
Thu 12/46:20 amLHR - GRB
2 stops22h 17mDelta
Deal found 11/11$640
This United Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:51 pmGRB - LHR
1 stop10h 04mUnited Airlines
Thu 12/46:50 amLHR - GRB
2 stops14h 22mUnited Airlines
Deal found 11/12$668
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:27 pmGRB - LHR
2 stops31h 43mUnited Airlines
Fri 11/281:30 pmLHR - GRB
2 stops33h 16mUnited Airlines
Deal found 11/11$1,283
This Delta deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/214:56 pmGRB - LHR
2 stops14h 49mDelta
Fri 11/281:00 pmLHR - GRB
1 stop11h 37mDelta
Deal found 11/13$1,352
This Cheapflightsfares deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:59 pmGRB - LHR
2 stops15h 06mMultiple Airlines
Fri 12/1911:00 amLHR - GRB
1 stop11h 48mMultiple Airlines
Deal found 11/12$1,354
This Cheapflightsfares deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:35 pmGRB - LHR
1 stop10h 20mLufthansa
Fri 12/1910:25 amLHR - GRB
1 stop12h 22mLufthansa
Deal found 11/12$1,526
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:13 pmGRB - LCY
2 stops15h 17mDelta
Fri 11/288:40 amLCY - GRB
2 stops18h 53mDelta
Deal found 11/12$1,903
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:11 amGRB - LCY
2 stops14h 59mDelta
Fri 1/29:20 amLCY - GRB
2 stops17h 22mDelta
Deal found 11/10$2,329
This Ovago deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:55 pmGRB - LGW
2 stops37h 05mBritish Airways
Sat 1/34:40 pmLGW - GRB
3 stops35h 21mBritish Airways
Deal found 11/12$3,006
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:25 amGRB - LGW
2 stops21h 35mAmerican Airlines
Sat 1/312:30 pmLGW - GRB
2 stops27h 09mAmerican Airlines
Deal found 11/12$3,076

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Green Bay to London that are best for you.

Fly from

Green Bay

Fly to

London

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 2/24

12:06 pm-7:05 am

1 stop12h 59m

London Heathrow

Tue 3/3

8:55 am-8:43 pm

2 stops17h 48m

$598

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 2/24

5:12 am-9:00 am

1 stop21h 48m

London Heathrow

Tue 3/3

12:30 pm-10:37 pm

1 stop16h 07m

$605

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

2:52 pm-8:45 am

1 stop11h 53m

London Heathrow

Thu 12/4

10:45 am-10:37 pm

1 stop17h 52m

$609

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

5:19 am-7:50 am

1 stop20h 31m

London Heathrow

Thu 12/4

6:20 am-10:37 pm

2 stops22h 17m

$640

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

3:51 pm-7:55 am

1 stop10h 04m

London Heathrow

Thu 12/4

6:50 am-3:12 pm

2 stops14h 22m

$668

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 3/27

5:18 pm-3:50 pm

2 stops17h 32m

London Heathrow

Tue 3/31

8:30 am-7:05 pm

2 stops16h 35m

$885

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 3/27

11:53 am-7:05 am

1 stop14h 12m

London Heathrow

Tue 3/31

12:25 pm-9:36 pm

1 stop15h 11m

$909

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Tue 2/24

9:58 am-7:00 pm

2 stops27h 02m

London Gatwick

Tue 3/3

7:40 pm-5:57 pm

2 stops28h 17m

$1,004

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Fri 3/27

5:18 pm-5:35 pm

2 stops43h 17m

London City

Tue 3/31

7:10 pm-9:14 pm

2 stops32h 04m

$1,031

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Fri 3/27

6:39 pm-9:40 am

2 stops58h 01m

London Gatwick

Tue 3/31

2:30 pm-10:42 am

2 stops26h 12m

$1,263

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 13 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-London flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 November 13, 2025.
Read through reviews of airlines operating flights from Green Bay to London, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
British Airways
6.7
Okay
7,516 reviews
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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?

    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, KLM, and Virgin Atlantic can get you from Green Bay to London in just under 11h 53m. Your travel time can differ by up to 9h 55m. Airlines will cover a distance of 3833 mi. This flight may include one or multiple stops.

  • 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 United Airlines - these airlines can fly you to your destination from $701 and $701, 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Top 3 airlines flying from Green Bay to London

Discover the top 3 airlines that operate flights from Green Bay to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$779FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$701Average$867FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$701Average$1,401FlexibilityNo cancel feeOn-time71%

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