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Cheap flights from Green Bay to London from £582

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Green Bay to London

Enter your travel dates to find the best prices.

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 27 March 2026.

Mon 7/918:37
GRB
-
LHR
1 stop9h 53m
Iberia
Wed 16/906:15
LHR
-
GRB
2 stops22h 52m
Iberia
Deal found 22/3£614
Tue 21/417:40
GRB
-
LHR
1 stop12h 15m
United Airlines
Tue 28/406:50
LHR
-
GRB
2 stops20h 47m
United Airlines
Deal found 22/3£617
Sat 5/907:00
GRB
-
LHR
2 stops41h 45m
Virgin Atlantic
Thu 17/910:45
LHR
-
GRB
1 stop11h 48m
Virgin Atlantic
Deal found 23/3£617
Sun 13/905:30
GRB
-
LHR
1 stop19h 45m
Delta
Wed 23/909:55
LHR
-
GRB
2 stops18h 03m
Delta
Deal found 24/3£618
Tue 21/409:42
GRB
-
LGW
2 stops19h 08m
Iberia
Tue 28/420:40
LGW
-
GRB
2 stops31h 18m
Iberia
Deal found 22/3£619
Mon 7/916:00
GRB
-
LHR
2 stops15h 15m
Delta
Wed 16/906:30
LHR
-
GRB
2 stops16h 03m
Delta
Deal found 22/3£621
Thu 20/820:30
GRB
-
LHR
2 stops19h 40m
Lufthansa
Fri 28/810:50
LHR
-
GRB
2 stops16h 25m
Lufthansa
Deal found 23/3£629
Sun 13/914:51
GRB
-
LHR
1 stop10h 49m
Multiple Airlines
Wed 23/919:30
LHR
-
GRB
2 stops28h 10m
Multiple Airlines
Deal found 25/3£634
Tue 21/409:42
GRB
-
LHR
1 stop15h 58m
British Airways
Tue 28/411:10
LHR
-
GRB
1 stop16h 48m
British Airways
Deal found 22/3£635
Sun 13/909:55
GRB
-
LHR
1 stop15h 45m
British Airways
Wed 23/909:45
LHR
-
GRB
1 stop13h 55m
British Airways
Deal found 25/3£635
Tue 28/417:30
GRB
-
LHR
1 stop11h 00m
British Airways
Mon 4/518:45
LHR
-
GRB
2 stops33h 13m
British Airways
Deal found 23/3£637
Mon 7/915:02
GRB
-
LHR
1 stop14h 13m
American Airlines
Fri 25/913:10
LHR
-
GRB
1 stop15h 57m
American Airlines
Deal found 24/3£638

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 27 March 2026.

Round-trip from

£614

One-way from

£582

Popular in

July

Cheapest in

January

Average price

£694
Iberia
  • Iberia
  • 7/9-16/9
  • 3 total stops
  • 32h 45m total
  • Green Bay to London
Search Deals
British Airways
  • British Airways
  • 19/7
  • 1 total stop
  • 11h 10m total
  • Green Bay to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 27 March 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 return flight

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 21/4

17:40-11:55

1 stop12h 15m

London Heathrow

Tue 28/4

06:50-21:37

2 stops20h 47m

£617

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 7/9

16:00-13:05

1 stop15h 05m

London Heathrow

Fri 25/9

19:50-10:22

2 stops20h 32m

£643

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 9/4

08:00-06:30

2 stops16h 30m

London Heathrow

Tue 21/4

06:50-15:12

2 stops14h 22m

£654

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 28/4

17:40-17:55

2 stops18h 15m

London City

Mon 4/5

18:30-22:58

2 stops34h 28m

£692

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 9/4

09:42-07:40

1 stop15h 58m

London Heathrow

Tue 21/4

09:45-17:00

1 stop13h 15m

£710

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

11:53-13:05

1 stop19h 12m

London Heathrow

Sat 23/5

12:25-21:58

1 stop15h 33m

£793

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Tue 28/4

09:42-10:50

2 stops19h 08m

London Gatwick

Mon 4/5

21:05-21:58

2 stops30h 53m

£851

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

06:20-13:05

1 stop24h 45m

London Heathrow

Sat 23/5

10:45-20:34

1 stop15h 49m

£855

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 22/7

06:30-06:30

2 stops18h 00m

London Heathrow

Wed 29/7

14:10-14:00

2 stops29h 50m

£873
Fastest return journey

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 22/7

18:00-13:15

2 stops13h 15m

London Heathrow

Wed 29/7

10:45-20:30

1 stop15h 45m

£887

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 33 resultsSorted by cheapest first
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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 return 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, October is the cheapest month in which you can book a flight from Green Bay to London (average of £487). Flying from Green Bay to London in June is currently the most expensive (average of £974). 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 for a return flight from Green Bay to 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?

    For a flight from Green Bay to London, you will be flying from Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city. Austin-Straubel is the only Green Bay airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Green Bay Austin-Straubel on a regular basis.

  • How long is the flight from Green Bay to London?

    Departing from Green Bay to London will take you 15h 05m. The distance between Green Bay and London is about 3833 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Green Bay to London?

    The most popular route from Green Bay to London is Green Bay Austin-Straubel - London Heathrow. You may also consider Green Bay Austin-Straubel - London Gatwick or Green Bay Austin-Straubel - London City.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from Green Bay to London (average of £487). Flying from Green Bay to London in June is currently the most expensive (average of £974). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Croydon
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Luton
Gatwick
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Ilford
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Bishop's Stortford

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Can Cheapflights find flights from Green Bay to London with no change fees?

Need flexible booking options for your flight to London from Green Bay? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Not ready to book yet? You can track prices for flights from Green Bay to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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