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 54% 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.

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

British Airways is the most popular carrier operating from Green Bay Austin-Straubel to London

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?

There are 3 operators available for flights from Green Bay Austin-Straubel Airport to London as of June 2026.

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.

$873 Cheap Flights from Green Bay to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:10 am

GRB

LHR

18h 10m

1 stop

6:30 am - 2:28 pm

LHR

GRB

13h 58m

2 stops

$882Delta

Tue, Sep 22 - Tue, Oct 13

6:15 am - 7:10 am

GRB

LHR

18h 55m

2 stops

9:55 am - 11:09 pm

LHR

GRB

19h 14m

2 stops

$886Delta

Tue, Sep 22 - Tue, Oct 13

12:02 pm - 1:05 pm

GRB

LHR

19h 03m

1 stop

9:20 am - 11:09 pm

LHR

GRB

19h 49m

1 stop

$911KLM

Tue, Sep 22 - Tue, Oct 13

5:05 pm - 11:55 am

GRB

LHR

12h 50m

1 stop

6:50 am - 9:04 pm

LHR

GRB

20h 14m

2 stops

$933United Airlines

Sun, Sep 13 - Wed, Sep 23

10:33 am - 6:55 am

GRB

LHR

14h 22m

2 stops

6:50 am - 4:54 pm

LHR

GRB

16h 04m

2 stops

$937United Airlines

Tue, Sep 15 - Fri, Oct 2

10:05 am - 7:40 am

GRB

LHR

15h 35m

1 stop

1:10 pm - 9:35 am

LHR

GRB

26h 25m

1 stop

$955British Airways

Sun, Sep 13 - Wed, Sep 23

10:05 am - 9:05 am

GRB

LHR

17h 00m

1 stop

12:15 pm - 12:13 am

LHR

GRB

17h 58m

1 stop

$958British Airways

Sun, Sep 13 - Wed, Sep 23

12:34 pm - 5:55 pm

GRB

LCY

23h 21m

2 stops

9:15 am - 11:19 pm

LCY

GRB

44h 04m

2 stops

$1,253Lufthansa

Sun, Aug 9 - Mon, Aug 17

6:52 pm - 5:55 pm

GRB

LCY

41h 03m

2 stops

6:30 pm - 11:19 pm

LCY

GRB

34h 49m

2 stops

$1,258Lufthansa

Sat, Aug 8 - Mon, Aug 17

12:03 pm - 7:15 am

GRB

LCY

13h 12m

2 stops

7:45 am - 3:32 pm

LCY

GRB

13h 47m

2 stops

$1,309KLM

Mon, Aug 10 - Mon, Aug 17

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United Airlines flights from Green Bay to London

Our best United Airlines deals on Green Bay to London flight tickets

United Airlines

Nov 19

GRB6:25 amGreen Bay Austin-Straubel

18h 45m

2 stops

LHR7:10 amLondon Heathrow

Nov 25

LHR6:50 amLondon Heathrow

20h 44m

2 stops

GRB9:34 pmGreen Bay Austin-Straubel

$916

United Airlines

Sep 13

GRB5:05 pmGreen Bay Austin-Straubel

12h 50m

1 stop

LHR11:55 amLondon Heathrow

Sep 23

LHR6:50 amLondon Heathrow

20h 14m

2 stops

GRB9:04 pmGreen Bay Austin-Straubel

$933

United Airlines

Sep 15

GRB10:33 amGreen Bay Austin-Straubel

14h 22m

2 stops

LHR6:55 amLondon Heathrow

Oct 2

LHR6:50 amLondon Heathrow

16h 04m

2 stops

GRB4:54 pmGreen Bay Austin-Straubel

$938

British Airways flights from Green Bay to London

Our best British Airways deals on Green Bay to London flight tickets

British Airways

Dec 2

GRB2:46 pmGreen Bay Austin-Straubel

10h 09m

1 stop

LHR6:55 amLondon Heathrow

Dec 9

LHR11:00 amLondon Heathrow

13h 22m

1 stop

GRB6:22 pmGreen Bay Austin-Straubel

$888

British Airways

Sep 13

GRB10:05 amGreen Bay Austin-Straubel

15h 35m

1 stop

LHR7:40 amLondon Heathrow

Sep 23

LHR1:10 pmLondon Heathrow

26h 25m

1 stop

GRB9:35 amGreen Bay Austin-Straubel

$955

British Airways

Sep 13

GRB10:05 amGreen Bay Austin-Straubel

17h 00m

1 stop

LHR9:05 amLondon Heathrow

Sep 23

LHR12:15 pmLondon Heathrow

17h 58m

1 stop

GRB12:13 amGreen Bay Austin-Straubel

$958

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

7:00 am-7:10 am

1 stop18h 10m

London Heathrow

Tue 10/13

6:30 am-2:28 pm

2 stops13h 58m

$882

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

6:15 am-7:10 am

2 stops18h 55m

London Heathrow

Tue 10/13

9:55 am-11:09 pm

2 stops19h 14m

$886

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

12:02 pm-1:05 pm

1 stop19h 03m

London Heathrow

Tue 10/13

9:20 am-11:09 pm

1 stop19h 49m

$911

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

5:05 pm-11:55 am

1 stop12h 50m

London Heathrow

Wed 9/23

6:50 am-9:04 pm

2 stops20h 14m

$933

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/15

10:33 am-6:55 am

2 stops14h 22m

London Heathrow

Fri 10/2

6:50 am-4:54 pm

2 stops16h 04m

$937

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

10:05 am-7:40 am

1 stop15h 35m

London Heathrow

Wed 9/23

1:10 pm-9:35 am

1 stop26h 25m

$955

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

10:05 am-9:05 am

1 stop17h 00m

London Heathrow

Wed 9/23

12:15 pm-12:13 am

1 stop17h 58m

$958

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 8/9

12:34 pm-5:55 pm

2 stops23h 21m

London City

Mon 8/17

9:15 am-11:19 pm

2 stops44h 04m

$1,253

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sat 8/8

6:52 pm-5:55 pm

2 stops41h 03m

London City

Mon 8/17

6:30 pm-11:19 pm

2 stops34h 49m

$1,258

Quickest round-trip

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Mon 8/10

12:03 pm-7:15 am

2 stops13h 12m

London City

Mon 8/17

7:45 am-3:32 pm

2 stops13h 47m

$1,309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to London?

The cheapest month to fly to London from Green Bay is in May. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Green Bay averaging around $650.

Can stopping save me money on Green Bay to London flights?

You could potentially save up to 13% on your flight if you consider stops on a Green Bay to London flight.

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	12h 35m
Direct flights	None

The fastest flight from Green Bay to London takes 12h 35m

There are no direct flights from Green Bay to London. There are no popular flight routes from Green Bay to London.

Search flight deals

Frequently asked questions about flying from Green Bay to London

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 12h 35m.
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?
There are 3 operators available for flights from Green Bay Austin-Straubel Airport to London as of June 2026.
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.

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
United Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 9,904 reviews	Search United Airlines flights
American Airlines	PriceFrom $676	Free Cancellation	Rating 7.1 11,762 reviews	Search American Airlines flights
British Airways	PriceFrom $676	Free Cancellation	Rating 6.7 8,089 reviews	Search British Airways flights

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Wembley

Stansted

Harrow

Slough

Watford

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Folkestone

Guildford

Romford

Uxbridge

Why use momondo?

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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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Cheap flights from Green Bay to London from $882

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to London departing on 9/22. 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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How to get the cheapest flight ticket from Green Bay to London

What is the cheapest month to fly to London?

Can stopping save me money on Green Bay to London flights?

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

What airlines fly to London?

When to book flights from Green Bay to London

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

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Frequently asked questions about flying from Green Bay to London

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Compare and see reviews for airlines that fly from Green Bay to London with momondo

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Why use momondo?

An easier way to manage your London trip

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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

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