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Cheap flights from Green Bay to London from £236

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
2 Jun — 9 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 3 May 2026.

Sun 13/918:29
GRB
-
LHR
1 stop10h 21m
Iberia
Wed 23/906:15
LHR
-
GRB
2 stops22h 52m
Iberia
Deal found 30/4£635
Mon 7/905:30
GRB
-
LHR
1 stop18h 55m
Delta
Fri 25/906:30
LHR
-
GRB
2 stops16h 03m
Delta
Deal found 29/4£647
Sun 13/907:00
GRB
-
LHR
2 stops19h 50m
Delta
Wed 23/906:30
LHR
-
GRB
2 stops21h 28m
Delta
Deal found 29/4£650
Mon 7/915:21
GRB
-
LHR
1 stop13h 09m
British Airways
Fri 25/909:45
LHR
-
GRB
1 stop13h 55m
British Airways
Deal found 30/4£657
Wed 12/818:37
GRB
-
LHR
1 stop9h 53m
Iberia
Wed 19/812:15
LHR
-
GRB
1 stop17h 13m
Iberia
Deal found 29/4£661
Wed 14/1005:30
GRB
-
LHR
1 stop18h 55m
KLM
Tue 27/1008:55
LHR
-
GRB
1 stop18h 02m
KLM
Deal found 2/5£668
Tue 1/915:21
GRB
-
LHR
1 stop13h 54m
British Airways
Tue 15/906:15
LHR
-
GRB
2 stops22h 52m
British Airways
Deal found 30/4£669
Wed 14/1010:50
GRB
-
LHR
2 stops13h 35m
Multiple Airlines
Tue 27/1011:05
LHR
-
GRB
1 stop15h 27m
Multiple Airlines
Deal found 2/5£671
Wed 12/816:00
GRB
-
LHR
2 stops15h 15m
Virgin Atlantic
Wed 19/809:40
LHR
-
GRB
2 stops16h 55m
Virgin Atlantic
Deal found 29/4£672
Mon 7/918:54
GRB
-
LHR
2 stops18h 51m
Multiple Airlines
Fri 25/906:15
LHR
-
GRB
2 stops22h 52m
Multiple Airlines
Deal found 2/5£702
Tue 1/905:30
GRB
-
LCY
2 stops20h 25m
Delta
Tue 15/909:20
LCY
-
GRB
2 stops18h 06m
Delta
Deal found 30/4£724
Mon 7/917:25
GRB
-
LCY
2 stops17h 15m
Delta
Fri 25/910:00
LCY
-
GRB
2 stops16h 35m
Delta
Deal found 29/4£749

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 3 May 2026.

Round-trip from

£635

One-way from

£236

Popular in

October

Cheapest in

January

Average price

£632
Iberia
  • Iberia
  • 13/9-23/9
  • 3 total stops
  • 33h 13m total
  • Green Bay to London
Search Deals
British Airways
  • British Airways
  • 28/7
  • 1 total stop
  • 14h 56m total
  • Green Bay to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£56 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 May 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 3 May 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

Sun 16/8

07:00-07:10

1 stop18h 10m

London Heathrow

Wed 26/8

08:40-21:58

2 stops19h 18m

£647

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 13/9

07:00-08:50

2 stops19h 50m

London Heathrow

Wed 23/9

06:30-21:58

2 stops21h 28m

£649

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 16/8

12:27-08:05

1 stop13h 38m

London Heathrow

Wed 26/8

13:10-00:16

1 stop17h 06m

£661

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

£724

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 1/9

05:30-07:55

2 stops20h 25m

London City

Tue 15/9

09:20-21:26

2 stops18h 06m

£724

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

£765

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

11:53-13:05

1 stop19h 12m

London Heathrow

Sat 23/5

06:30-21:58

2 stops21h 28m

£809

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 13/5

16:19-13:05

1 stop14h 46m

London Heathrow

Sat 23/5

15:15-22:52

1 stop13h 37m

£831

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 16/8

20:30-17:55

2 stops15h 25m

London City

Wed 26/8

09:15-22:59

2 stops19h 44m

£834

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Fri 29/5

17:01-16:00

2 stops16h 59m

London Gatwick

Fri 5/6

10:25-22:52

2 stops18h 27m

£955

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 43 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 £479). Flying from Green Bay to London in November is currently the most expensive (average of £3,603). 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 10h 21m. 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 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 £479). Flying from Green Bay to London in November is currently the most expensive (average of £3,603). 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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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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