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Cheap flights from Green Bay to London from £481

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
27 May — 3 Jun1
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 April 2026.

Sun 16/818:37
GRB
-
LHR
1 stop11h 38m
Iberia
Wed 26/820:00
LHR
-
GRB
2 stops28h 07m
Iberia
Deal found 22/4£647
Mon 7/905:30
GRB
-
LHR
1 stop18h 55m
Delta
Fri 25/906:30
LHR
-
GRB
2 stops20h 56m
Delta
Deal found 23/4£649
Tue 15/905:30
GRB
-
LHR
1 stop25h 45m
Delta
Fri 2/1008:40
LHR
-
GRB
2 stops19h 18m
Delta
Deal found 22/4£652
Sun 13/918:29
GRB
-
LHR
1 stop10h 46m
Multiple Airlines
Wed 23/919:30
LHR
-
GRB
2 stops33h 37m
Multiple Airlines
Deal found 27/4£655
Mon 7/915:02
GRB
-
LHR
1 stop11h 03m
British Airways
Fri 25/909:45
LHR
-
GRB
1 stop19h 22m
British Airways
Deal found 25/4£658
Wed 12/818:37
GRB
-
LHR
1 stop9h 53m
Iberia
Wed 19/814:45
LHR
-
GRB
1 stop14h 43m
Iberia
Deal found 26/4£662
Mon 7/918:37
GRB
-
LHR
1 stop9h 53m
American Airlines
Fri 25/909:45
LHR
-
GRB
1 stop13h 55m
American Airlines
Deal found 22/4£663
Tue 8/917:25
GRB
-
LCY
2 stops17h 15m
Delta
Tue 15/909:20
LCY
-
GRB
2 stops18h 06m
Delta
Deal found 23/4£670
Mon 7/917:25
GRB
-
LCY
2 stops17h 15m
Delta
Fri 25/908:25
LCY
-
GRB
2 stops18h 10m
Delta
Deal found 22/4£727
Mon 7/920:30
GRB
-
LCY
2 stops15h 25m
Lufthansa
Fri 25/909:15
LCY
-
GRB
2 stops19h 34m
Lufthansa
Deal found 25/4£767
Mon 4/516:22
GRB
-
LGW
2 stops17h 38m
Delta
Tue 12/510:35
LGW
-
GRB
2 stops18h 17m
Delta
Deal found 23/4£769
Sun 16/820:30
GRB
-
LCY
2 stops15h 25m
Lufthansa
Wed 26/809:15
LCY
-
GRB
2 stops19h 44m
Lufthansa
Deal found 25/4£836

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 April 2026.

Round-trip from

£647

One-way from

£481

Popular in

October

Cheapest in

January

Average price

£551
Iberia
  • Iberia
  • 16/8-26/8
  • 3 total stops
  • 39h 45m total
  • Green Bay to London
Search Deals
KLM
  • KLM
  • 15/7
  • 1 total stop
  • 14h 51m total
  • Green Bay to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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 - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 8/9

17:25-16:40

2 stops17h 15m

London City

Tue 15/9

09:20-21:26

2 stops18h 06m

£670

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 7/9

16:00-13:15

2 stops15h 15m

London Heathrow

Fri 25/9

09:20-20:35

2 stops17h 15m

£717

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Mon 7/9

17:25-16:40

2 stops17h 15m

London City

Fri 25/9

08:25-20:35

2 stops18h 10m

£727

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

05:20-06:25

1 stop19h 05m

London Heathrow

Sat 23/5

08:40-22:52

2 stops20h 12m

£812

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 22/7

12:05-13:05

1 stop19h 00m

London Heathrow

Wed 29/7

15:15-22:30

1 stop13h 15m

£817

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Mon 7/9

20:30-17:55

2 stops15h 25m

London City

Fri 25/9

09:15-22:49

2 stops19h 34m

£836

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 16/8

13:15-17:55

2 stops22h 40m

London City

Wed 26/8

09:15-22:59

2 stops19h 44m

£857

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

11:53-13:05

1 stop19h 12m

London Heathrow

Sat 23/5

15:15-22:52

1 stop13h 37m

£890

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 16/8

11:53-07:15

2 stops13h 22m

London City

Wed 26/8

07:45-15:32

2 stops13h 47m

£921

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 22/7

08:00-06:45

1 stop16h 45m

London Heathrow

Wed 29/7

06:50-15:09

2 stops14h 19m

£932

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 27 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 £480). Flying from Green Bay to London in November is currently the most expensive (average of £3,615). 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.

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 25m. The distance between Green Bay and London is about 3851 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 City or Green Bay Austin-Straubel - London Gatwick.

  • 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 £480). Flying from Green Bay to London in November is currently the most expensive (average of £3,615). 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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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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