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$607+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Green Bay to London

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 December 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/30. 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.
Wed 2/185:28 pmGRB - LHR
2 stops16h 22mLufthansa
Wed 2/257:40 amLHR - GRB
2 stops15h 13mLufthansa
Deal found 12/30$615
This Air France deal was found by Cheapflights users on 12/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:08 pmGRB - LHR
1 stop12h 57mMultiple Airlines
Tue 3/36:30 amLHR - GRB
2 stops15h 05mMultiple Airlines
Deal found 12/31$631
This Delta deal was found by Cheapflights users on 12/31. 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.
Wed 2/257:00 amGRB - LHR
2 stops17h 50mDelta
Mon 3/26:30 amLHR - GRB
2 stops16h 14mDelta
Deal found 12/31$635
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Mon 1/125:24 pmGRB - LHR
1 stop11h 51mUnited Airlines
Tue 1/2011:10 amLHR - GRB
2 stops16h 21mUnited Airlines
Deal found 12/29$639
This Orbitz deal was found by Cheapflights users on 12/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:58 amGRB - LGW
2 stops27h 02mIberia
Tue 3/37:40 pmLGW - GRB
2 stops28h 13mIberia
Deal found 12/31$685
This Air France deal was found by Cheapflights users on 12/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:13 amGRB - LHR
1 stop15h 32mMultiple Airlines
Mon 3/211:45 amLHR - GRB
2 stops14h 56mMultiple Airlines
Deal found 12/31$631
This Lufthansa deal was found by Cheapflights users on 12/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:24 pmGRB - LHR
1 stop11h 51mLufthansa
Thu 1/226:35 amLHR - GRB
2 stops16h 12mLufthansa
Deal found 12/29$639
This Delta deal was found by Cheapflights users on 12/31. 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.
Tue 2/2411:13 amGRB - LCY
2 stops14h 02mDelta
Mon 3/210:00 amLCY - GRB
2 stops16h 41mDelta
Deal found 12/31$666
This Lufthansa deal was found by Cheapflights users on 12/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:24 pmGRB - LHR
1 stop11h 51mLufthansa
Tue 1/206:35 amLHR - GRB
2 stops16h 12mLufthansa
Deal found 12/29$639
This Orbitz deal was found by Cheapflights users on 12/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:58 amGRB - LCY
2 stops22h 07mIberia
Tue 3/37:15 pmLCY - GRB
2 stops28h 38mIberia
Deal found 12/31$714
This Delta deal was found by Cheapflights users on 12/31. 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.
Tue 2/2411:13 amGRB - LCY
2 stops14h 02mDelta
Tue 3/310:00 amLCY - GRB
2 stops16h 41mDelta
Deal found 12/31$666
This Lufthansa deal was found by Cheapflights users on 12/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:24 pmGRB - LHR
2 stops16h 26mLufthansa
Wed 1/218:45 amLHR - GRB
2 stops18h 46mLufthansa
Deal found 12/29$648
This Lufthansa deal was found by Cheapflights users on 12/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:24 pmGRB - LHR
2 stops16h 26mLufthansa
Tue 1/2011:10 amLHR - GRB
2 stops16h 21mLufthansa
Deal found 12/29$648
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1111:20 amGRB - LGW
2 stops25h 40mIberia
Mon 1/197:40 pmLGW - GRB
2 stops32h 34mIberia
Deal found 12/29$888
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1111:20 amGRB - LGW
2 stops25h 40mIberia
Thu 1/227:40 pmLGW - GRB
2 stops32h 32mIberia
Deal found 12/29$888
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1411:20 amGRB - LGW
2 stops25h 40mIberia
Wed 1/2111:45 amLGW - GRB
2 stops40h 27mIberia
Deal found 12/29$920
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1411:20 amGRB - LGW
2 stops25h 40mIberia
Mon 1/197:40 pmLGW - GRB
2 stops32h 34mIberia
Deal found 12/29$946
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1411:20 amGRB - LGW
2 stops25h 40mIberia
Thu 1/227:40 pmLGW - GRB
2 stops32h 32mIberia
Deal found 12/29$946
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1111:20 amGRB - LGW
2 stops25h 40mIberia
Wed 1/217:40 pmLGW - GRB
2 stops32h 32mIberia
Deal found 12/29$946
This Expedia deal was found by Cheapflights users on 12/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:24 pmGRB - LCY
2 stops33h 56mLufthansa
Wed 1/216:10 pmLCY - GRB
2 stops28h 37mLufthansa
Deal found 12/29$1,205
This Iberia deal was found by Cheapflights users on 12/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1411:20 amGRB - LCY
2 stops20h 45mIberia
Fri 1/237:50 amLCY - GRB
2 stops20h 22mIberia
Deal found 12/29$957
This Iberia deal was found by Cheapflights users on 12/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1611:20 amGRB - LGW
2 stops25h 40mIberia
Mon 1/1911:45 amLGW - GRB
2 stops40h 29mIberia
Deal found 12/28$963
This oojo deal was found by Cheapflights users on 12/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:40 pmGRB - LGW
2 stops43h 20mIberia
Sat 5/238:40 pmLGW - GRB
2 stops27h 00mIberia
Deal found 12/31$1,614
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:32 pmGRB - LCY
2 stops41h 58mIberia
Sun 7/124:20 pmLCY - GRB
2 stops36h 48mIberia
Deal found 12/29$3,021
This Delta deal was found by Cheapflights users on 12/29. 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.
Thu 1/1512:02 pmGRB - LCY
2 stops14h 08mDelta
Thu 1/229:20 amLCY - GRB
2 stops17h 23mDelta
Deal found 12/29$6,822
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:53 amGRB - LGW
2 stops28h 07mIberia
Sun 7/128:40 pmLGW - GRB
2 stops32h 28mIberia
Deal found 12/29$3,135

Find 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 December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$607
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$1,145
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. 22% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 31, 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

Wed 2/18

5:28 pm-3:50 pm

2 stops16h 22m

London Heathrow

Wed 2/25

7:40 am-4:53 pm

2 stops15h 13m

$615

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 2/24

12:08 pm-7:05 am

1 stop12h 57m

London Heathrow

Tue 3/3

6:30 am-3:35 pm

2 stops15h 05m

$631

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 2/24

11:13 am-8:45 am

1 stop15h 32m

London Heathrow

Mon 3/2

11:45 am-8:41 pm

2 stops14h 56m

$631

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 2/25

7:00 am-6:50 am

2 stops17h 50m

London Heathrow

Mon 3/2

6:30 am-4:44 pm

2 stops16h 14m

$635

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 1/12

5:24 pm-11:15 am

1 stop11h 51m

London Heathrow

Tue 1/20

11:10 am-9:31 pm

2 stops16h 21m

$639

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 1/14

5:24 pm-11:15 am

1 stop11h 51m

London Heathrow

Thu 1/22

6:35 am-4:47 pm

2 stops16h 12m

$639

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 1/13

5:24 pm-11:15 am

1 stop11h 51m

London Heathrow

Tue 1/20

6:35 am-4:47 pm

2 stops16h 12m

$639

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 1/13

5:24 pm-3:50 pm

2 stops16h 26m

London Heathrow

Wed 1/21

8:45 am-9:31 pm

2 stops18h 46m

$648

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 1/14

5:24 pm-3:50 pm

2 stops16h 26m

London Heathrow

Tue 1/20

11:10 am-9:31 pm

2 stops16h 21m

$648

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 2/24

11:13 am-7:15 am

2 stops14h 02m

London City

Mon 3/2

10:00 am-8:41 pm

2 stops16h 41m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 26 results
1
2
3

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

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 December 31, 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
11,069 reviews

Comfort

7.2

Food

6.4

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,069 reviews
American Airlines
7.2
Good
11,069 reviews

Comfort

7.2

Food

6.4

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
British Airways
6.7
Okay
7,630 reviews
American Airlines
7.2
Good
11,069 reviews

Comfort

7.2

Food

6.4

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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?

    Lufthansa, Delta, and Iberia can get you from Green Bay to London in just under 14h 02m. Your travel time can differ by up to 13h. Airlines will cover a distance of 3851 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 $699 and $701, respectively. Users have found that British Airways is 27% 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
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Chipping Norton
Horley
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Eastbourne

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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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$779FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$699Average$1,391FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$701Average$867FlexibilityNo cancel feeOn-time69%

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