HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$373+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 29, 2026.

This Orbitz deal was found by Cheapflights users on 5/24. 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.
Mon 9/76:54 pm
GRB
-
LHR
1 stop31h 11m
Iberia
Tue 9/296:15 am
LHR
-
GRB
2 stops22h 52m
Iberia
Deal found 5/24$862
This KLM deal was found by Cheapflights users on 5/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:02 am
GRB
-
LHR
1 stop14h 08m
KLM
Fri 10/26:30 am
LHR
-
GRB
2 stops15h 06m
KLM
Deal found 5/28$877
This Delta deal was found by Cheapflights users on 5/26. 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 9/227:00 am
GRB
-
LHR
2 stops19h 50m
Delta
Tue 10/136:30 am
LHR
-
GRB
2 stops21h 27m
Delta
Deal found 5/26$881
This Air France deal was found by Cheapflights users on 5/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:40 pm
GRB
-
LHR
2 stops14h 05m
Multiple Airlines
Fri 10/26:30 am
LHR
-
GRB
2 stops15h 06m
Multiple Airlines
Deal found 5/28$882
This oojo deal was found by Cheapflights users on 5/25. 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.
Sun 9/136:29 pm
GRB
-
LHR
1 stop10h 21m
British Airways
Wed 9/232:45 pm
LHR
-
GRB
1 stop14h 22m
British Airways
Deal found 5/25$885
This FlightHub deal was found by Cheapflights users on 5/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:05 am
GRB
-
LHR
1 stop18h 45m
Multiple Airlines
Wed 9/237:30 pm
LHR
-
GRB
2 stops30h 26m
Multiple Airlines
Deal found 5/29$886
This oojo deal was found by Cheapflights users on 5/24. 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.
Mon 9/76:54 pm
GRB
-
LHR
1 stop11h 21m
British Airways
Tue 9/291:10 pm
LHR
-
GRB
1 stop15h 57m
British Airways
Deal found 5/24$888
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:04 pm
GRB
-
LHR
1 stop12h 46m
British Airways
Tue 10/139:45 am
LHR
-
GRB
1 stop19h 25m
British Airways
Deal found 5/28$889
This Delta deal was found by Cheapflights users on 5/27. 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 10/135:25 pm
GRB
-
LCY
2 stops17h 15m
Delta
Thu 10/2210:00 am
LCY
-
GRB
2 stops17h 57m
Delta
Deal found 5/27$906
This Delta deal was found by Cheapflights users on 5/27. 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 8/1112:03 pm
GRB
-
LGW
2 stops15h 22m
Delta
Wed 8/1910:25 am
LGW
-
GRB
2 stops17h 41m
Delta
Deal found 5/27$948
This Delta deal was found by Cheapflights users on 5/27. 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.
Mon 8/1012:03 pm
GRB
-
LCY
2 stops13h 12m
Delta
Wed 8/199:20 am
LCY
-
GRB
2 stops17h 20m
Delta
Deal found 5/27$966
This Delta deal was found by Cheapflights users on 5/27. 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.
Mon 8/1012:03 pm
GRB
-
LGW
2 stops15h 37m
Delta
Tue 8/1810:35 am
LGW
-
GRB
2 stops17h 31m
Delta
Deal found 5/27$981

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 May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$862
(Orbitz)

One-way from

$373
(oojo)
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

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 May 29, 2026.
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

Cheapest round-trip

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/1

4:13 pm-1:05 pm

1 stop14h 52m

London Heathrow

Tue 9/15

6:30 am-10:29 pm

2 stops21h 59m

$877

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/15

11:02 am-7:10 am

1 stop14h 08m

London Heathrow

Fri 10/2

6:30 am-3:36 pm

2 stops15h 06m

$877

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

11:02 am-1:05 pm

2 stops20h 03m

London Heathrow

Tue 10/13

8:40 am-9:57 pm

2 stops19h 17m

$881

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/15

7:00 am-6:45 am

2 stops17h 45m

London Heathrow

Fri 10/2

6:30 am-8:27 pm

2 stops19h 57m

$881

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 10/13

4:00 pm-1:15 pm

2 stops15h 15m

London Heathrow

Thu 10/22

6:30 am-3:54 pm

2 stops15h 24m

$882

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

10:05 am-7:40 am

1 stop15h 35m

London Heathrow

Tue 10/13

2:45 pm-11:10 pm

1 stop14h 25m

$895

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 10/13

5:25 pm-4:40 pm

2 stops17h 15m

London City

Thu 10/22

10:00 am-9:57 pm

2 stops17h 57m

$906

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Tue 8/11

12:03 pm-9:25 am

2 stops15h 22m

London Gatwick

Wed 8/19

10:25 am-10:06 pm

2 stops17h 41m

$948

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 8/10

4:13 pm-1:05 pm

1 stop14h 52m

London Heathrow

Fri 8/21

11:15 am-10:34 pm

1 stop17h 19m

$966

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Wed 8/12

11:07 am-7:15 am

2 stops14h 08m

London City

Fri 8/21

7:45 am-4:55 pm

2 stops15h 10m

$966

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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
No data available for this route at this time. Please check back soon.

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 Iberia can get you from Green Bay to London in just under 14h 08m. Your travel time can differ by up to 7h 40m. 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 $697 and $722, 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton

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.

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 May 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$815FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$697Average$1,199FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$722Average$897FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.