Cheap flights from Green Bay to London from £547

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LON
3 set — 10 set1
1 adult

Cheap 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 29 agosto 2025.

Round-trip from

£547

Popular in

June

Cheapest in

August

Average price

£520
United Airlines
  • United Airlines
  • 24/9-30/9
  • 3 total stops
  • 30h 42m total
  • Green Bay to London
Highest demand for flights based on searches. 21% potential increase in price (£135 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find 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 29 agosto 2025.

mer 24/913:22GRB - LHR
1 stop16h 23mUnited Airlines
mar 30/906:50LHR - GRB
2 stops14h 19mUnited Airlines
Deal found 29/8£547
mer 24/917:01GRB - LHR
1 stop9h 54mKLM
ven 3/1013:05LHR - GRB
1 stop15h 55mKLM
Deal found 29/8£555
mer 24/911:11GRB - LHR
1 stop13h 39mAmerican Airlines
ven 3/1009:15LHR - GRB
2 stops14h 41mAmerican Airlines
Deal found 27/8£559
mer 24/908:00GRB - LHR
2 stops16h 30mUnited Airlines
ven 3/1006:50LHR - GRB
2 stops16h 00mUnited Airlines
Deal found 28/8£562
mer 24/917:01GRB - LHR
1 stop9h 54mMultiple Airlines
mar 30/911:45LHR - GRB
1 stop14h 49mMultiple Airlines
Deal found 28/8£563
ven 28/1111:10GRB - LHR
2 stops13h 40mVirgin Atlantic
gio 4/1209:40LHR - GRB
2 stops16h 58mVirgin Atlantic
Deal found 28/8£566
mer 24/917:01GRB - LHR
2 stops14h 29mDelta
ven 3/1012:25LHR - GRB
2 stops16h 35mDelta
Deal found 27/8£574
gio 16/1010:40GRB - LHR
1 stop13h 40mUnited Airlines
ven 24/1014:05LHR - GRB
2 stops26h 00mUnited Airlines
Deal found 28/8£575
gio 16/1017:20GRB - LCY
2 stops17h 20mDelta
ven 24/1007:45LCY - GRB
2 stops18h 52mDelta
Deal found 27/8£685
ven 21/1111:10GRB - LCY
2 stops16h 20mDelta
ven 28/1108:40LCY - GRB
2 stops18h 53mDelta
Deal found 28/8£1,137

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 29 agosto 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

mer 24/9

13:22-11:45

1 stop16h 23m

London Heathrow

mar 30/9

06:50-15:09

2 stops14h 19m

£547

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mer 24/9

15:45-08:20

1 stop10h 35m

London Heathrow

ven 3/10

06:50-22:40

2 stops21h 50m

£547

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mer 24/9

17:01-08:55

1 stop9h 54m

London Heathrow

mar 30/9

11:45-20:34

1 stop14h 49m

£555

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mer 24/9

11:11-09:10

1 stop15h 59m

London Heathrow

ven 3/10

11:05-17:56

1 stop12h 51m

£555

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mer 24/9

17:01-08:55

1 stop9h 54m

London Heathrow

ven 3/10

09:20-23:00

1 stop19h 40m

£555

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mer 24/9

17:01-08:55

1 stop9h 54m

London Heathrow

ven 3/10

13:05-23:00

1 stop15h 55m

£555

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

gio 16/10

17:20-16:40

2 stops17h 20m

London City

ven 24/10

07:45-20:37

2 stops18h 52m

£685

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

ven 21/11

11:10-09:30

2 stops16h 20m

London City

ven 28/11

08:40-21:33

2 stops18h 53m

£1,137

Flights are sorted by cheapest return flights first.

Deals found on 29/8

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, January is the cheapest month in which you can book a flight from Green Bay to London (average of £112). Flying from Green Bay to London in August is currently the most expensive (average of £164). 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.

What’s the top stopover airport for flights from Green Bay to London?

Share of one-stop return flights from Green Bay to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 75% of one-stop itineraries from Green Bay to London on Cheapflights.

What’s the cheapest stopover airport for flights from Green Bay to London?

Average return fare for one-stop flights from Green Bay to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Chicago (ORD) is the most affordable one-stop option, with an average return flight price of £551.

What’s the fastest stopover option from Green Bay to London?

Shortest average travel time for one-stop one-way flights from Green Bay to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for one-stop routes: 10h 04m.

Which airport typically offers the quickest stopover for flights from Green Bay to London?

Average stopover duration for one-stop one-way flights from Green Bay to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 46m.

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 9h 54m. 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?

  • 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, January is the cheapest month in which you can book a flight from Green Bay to London (average of £112). Flying from Green Bay to London in August is currently the most expensive (average of £164). 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
Croydon
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Dartford
Guildford
Romford

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Green Bay to London?

When you search for this flight from Green Bay to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Green Bay to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Green Bay to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from Green Bay to London become cheaper?

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.

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.