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Cheap flights from Green Bay to London from $507

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to London departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Green Bay to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:48 pm - 6:45 am
GRB
-
LHR
32h 57m
1 stop
United Airlines Logo
5:50 pm - 7:01 pm
LHR
-
GRB
31h 11m
2 stops
$685United Airlines
Sat, May 9 - Mon, May 18
United Airlines Logo
3:44 pm - 11:45 am
GRB
-
LHR
14h 01m
1 stop
United Airlines Logo
7:30 am - 9:15 pm
LHR
-
GRB
19h 45m
2 stops
$688United Airlines
Sun, Aug 9 - Wed, Aug 26
United Airlines Logo
3:47 pm - 11:45 am
GRB
-
LHR
13h 58m
1 stop
United Airlines Logo
5:50 pm - 3:12 pm
LHR
-
GRB
27h 22m
2 stops
$689United Airlines
Mon, Apr 13 - Mon, Apr 27
British Airways Logo
6:37 pm - 11:15 am
GRB
-
LHR
10h 38m
1 stop
British Airways Logo
9:45 am - 6:07 pm
LHR
-
GRB
14h 22m
1 stop
$700British Airways
Tue, Aug 18 - Tue, Aug 25
Iberia Logo
9:42 am - 10:35 am
GRB
-
LHR
18h 53m
2 stops
Iberia Logo
8:00 pm - 9:58 pm
LHR
-
GRB
31h 58m
2 stops
$716Iberia
Mon, Apr 13 - Mon, Apr 27
Iberia Logo
9:42 am - 10:50 am
GRB
-
LGW
19h 08m
2 stops
Iberia Logo
8:40 pm - 9:58 pm
LGW
-
GRB
31h 18m
2 stops
$754Iberia
Thu, Apr 16 - Thu, Apr 23
Delta Logo
11:53 am - 9:25 am
GRB
-
LGW
15h 32m
2 stops
Delta Logo
10:25 am - 8:35 pm
LGW
-
GRB
16h 10m
2 stops
$829Delta
Sun, Aug 9 - Wed, Aug 26
Delta Logo
10:50 am - 9:25 am
GRB
-
LGW
40h 35m
2 stops
Delta Logo
10:25 am - 8:35 pm
LGW
-
GRB
16h 10m
2 stops
$831Delta
Mon, Aug 10 - Wed, Aug 26
Lufthansa Logo
8:30 pm - 5:55 pm
GRB
-
LCY
15h 25m
2 stops
Lufthansa Logo
9:15 am - 10:59 pm
LCY
-
GRB
19h 44m
2 stops
$1,006Lufthansa
Tue, Aug 18 - Tue, Aug 25
Lufthansa Logo
5:26 pm - 5:55 pm
GRB
-
LCY
18h 29m
2 stops
Lufthansa Logo
6:30 pm - 4:51 pm
LCY
-
GRB
28h 21m
2 stops
$1,259Lufthansa
Wed, Jul 22 - Wed, Jul 29

British Airways flights from Green Bay to London

Our best British Airways deals on Green Bay to London flight tickets
British Airways
Aug 18
GRB6:37 pmGreen Bay Austin-Straubel
10h 38m
1 stop
LHR11:15 amLondon Heathrow
Aug 25
LHR9:45 amLondon Heathrow
14h 22m
1 stop
GRB6:07 pmGreen Bay Austin-Straubel
$700
British Airways
May 1
GRB9:42 amGreen Bay Austin-Straubel
15h 08m
1 stop
LHR6:50 amLondon Heathrow
May 8
LHR11:10 amLondon Heathrow
16h 53m
1 stop
GRB10:03 pmGreen Bay Austin-Straubel
$749
British Airways
Apr 13
GRB5:24 pmGreen Bay Austin-Straubel
12h 51m
1 stop
LHR12:15 pmLondon Heathrow
Apr 27
LHR9:45 amLondon Heathrow
13h 09m
1 stop
GRB4:54 pmGreen Bay Austin-Straubel
$750

United Airlines flights from Green Bay to London

Our best United Airlines deals on Green Bay to London flight tickets
United Airlines
May 9
GRB3:48 pmGreen Bay Austin-Straubel
32h 57m
1 stop
LHR6:45 amLondon Heathrow
May 18
LHR5:50 pmLondon Heathrow
31h 11m
2 stops
GRB7:01 pmGreen Bay Austin-Straubel
$685
United Airlines
Aug 9
GRB3:44 pmGreen Bay Austin-Straubel
14h 01m
1 stop
LHR11:45 amLondon Heathrow
Aug 26
LHR7:30 amLondon Heathrow
19h 45m
2 stops
GRB9:15 pmGreen Bay Austin-Straubel
$688
United Airlines
Apr 13
GRB3:47 pmGreen Bay Austin-Straubel
13h 58m
1 stop
LHR11:45 amLondon Heathrow
Apr 27
LHR5:50 pmLondon Heathrow
27h 22m
2 stops
GRB3:12 pmGreen Bay Austin-Straubel
$689

momondo 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, momondo users made 832,500 searches. Data last updated March 4, 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

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 5/9

3:48 pm-6:45 am

1 stop32h 57m

London Heathrow

Mon 5/18

5:50 pm-7:01 pm

2 stops31h 11m

$685

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 8/9

3:44 pm-11:45 am

1 stop14h 01m

London Heathrow

Wed 8/26

7:30 am-9:15 pm

2 stops19h 45m

$688

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 4/13

3:47 pm-11:45 am

1 stop13h 58m

London Heathrow

Mon 4/27

5:50 pm-3:12 pm

2 stops27h 22m

$689

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 8/18

6:37 pm-11:15 am

1 stop10h 38m

London Heathrow

Tue 8/25

9:45 am-6:07 pm

1 stop14h 22m

$700

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 4/13

9:42 am-10:35 am

2 stops18h 53m

London Heathrow

Mon 4/27

8:00 pm-9:58 pm

2 stops31h 58m

$716

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Thu 4/16

9:42 am-10:50 am

2 stops19h 08m

London Gatwick

Thu 4/23

8:40 pm-9:58 pm

2 stops31h 18m

$754

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Sun 8/9

11:53 am-9:25 am

2 stops15h 32m

London Gatwick

Wed 8/26

10:25 am-8:35 pm

2 stops16h 10m

$829

Green BayLondon

GRB - LGW

GRBLGW

Green Bay Austin-Straubel

Mon 8/10

10:50 am-9:25 am

2 stops40h 35m

London Gatwick

Wed 8/26

10:25 am-8:35 pm

2 stops16h 10m

$831

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Tue 8/18

8:30 pm-5:55 pm

2 stops15h 25m

London City

Tue 8/25

9:15 am-10:59 pm

2 stops19h 44m

$1,006

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Wed 7/22

5:26 pm-5:55 pm

2 stops18h 29m

London City

Wed 7/29

6:30 pm-4:51 pm

2 stops28h 21m

$1,259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Green Bay to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Green Bay Austin-Straubel to London?

Lufthansa, British Airways, and Iberia are the most popular carriers operating from Green Bay Austin-Straubel to London

What airlines fly to London?

American Airlines, United Airlines and British Airways are the top three most popular airlines that fly to London from Green Bay according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Green Bay to London

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to London (GRB to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to London

Fastest flight time

9h 52m

Direct flights

None
The fastest flight from Green Bay to London takes 9h 52m
There are no direct flights from Green Bay to London. There are no popular flight routes from Green Bay to London.
Search flight deals

  • How far is Green Bay Austin-Straubel to London by plane?

    A flight from Green Bay Austin-Straubel to London will travel around 3838.6 mi. A reasonable flight in good conditions will take 9h 52m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to London?

    Prices for flights from Green Bay Austin-Straubel Airport to London were last updated today.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to London?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Green Bay to London?

Best airlines flying from Green Bay to London

Compare and see reviews for airlines that fly from Green Bay to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $650Free CancellationRating
6.7
7,774 reviews
Search British Airways flights
United AirlinesPriceFrom $722Free CancellationRating
7.4
9,382 reviews
Search United Airlines flights
American AirlinesPriceFrom $723Free CancellationRating
7.1
11,380 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Green Bay to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Green Bay to London with flexible booking policies on momondo?

All flight searches from Green Bay to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Green Bay to London?

Once all potential Green Bay to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Green Bay are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport