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 56% 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 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 August 2025.

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.

$639 Cheap Flights from Green Bay to London in 2025

Q: What is the typical price of a round-trip flight between Green Bay and London?

Prices are currently typical for flights on this route. Typical prices usually range from $628 to $954. The lowest price recently found on this route was $639.

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Find the cheapest flights from Green Bay to London

Round-trip

One-way

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Cheap round-trip flights

8:00 am - 9:35 amGRB-LHR

19h 35m2 stops

6:50 am - 4:50 pmLHR-GRB

16h 00m2 stops

$639United Airlines

Find Deal

Wed, Sep 24 - Fri, Oct 3

4:35 pm - 9:10 amGRB-LHR

10h 35m1 stop

9:15 am - 2:31 pmLHR-GRB

11h 16m1 stop

$645British Airways

Find Deal

Wed, Sep 24 - Fri, Oct 3

4:35 pm - 11:05 amGRB-LHR

12h 30m1 stop

2:25 pm - 5:56 pmLHR-GRB

33h 31m1 stop

$650British Airways

Find Deal

Wed, Sep 24 - Tue, Sep 30

4:35 pm - 9:10 amGRB-LHR

10h 35m1 stop

11:05 am - 5:56 pmLHR-GRB

12h 51m1 stop

$749American Airlines

Find Deal

Wed, Sep 24 - Fri, Oct 3

11:11 am - 6:50 amGRB-LHR

13h 39m1 stop

9:15 am - 5:56 pmLHR-GRB

14h 41m2 stops

$754American Airlines

Find Deal

Wed, Sep 24 - Tue, Sep 30

11:07 am - 9:15 amGRB-LHR

16h 08m2 stops

6:15 am - 4:11 pmLHR-GRB

15h 56m2 stops

$756Delta

Find Deal

Wed, Sep 24 - Fri, Oct 3

5:01 pm - 1:30 pmGRB-LHR

14h 29m2 stops

6:50 pm - 10:26 amLHR-GRB

21h 36m2 stops

$763Delta

Find Deal

Wed, Sep 24 - Tue, Sep 30

11:00 am - 8:45 amGRB-LHR

15h 45m1 stop

9:40 am - 8:38 pmLHR-GRB

16h 58m2 stops

$775Virgin Atlantic

Find Deal

Fri, Nov 28 - Thu, Dec 4

3:45 pm - 4:25 pmGRB-LCY

18h 40m2 stops

8:55 am - 10:40 pmLCY-GRB

19h 45m2 stops

$789

Find Deal

Wed, Sep 24 - Fri, Oct 3

6:15 am - 9:35 amGRB-LHR

21h 20m2 stops

6:30 am - 4:50 pmLHR-GRB

16h 20m2 stops

$918

Find Deal

Wed, Sep 3 - Fri, Sep 26

United Airlines flights from Green Bay to London

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

United Airlines

Sep 24

GRB8:00 amGreen Bay Austin-Straubel

19h 35m

2 stops

LHR9:35 amLondon Heathrow

Oct 3

LHR6:50 amLondon Heathrow

16h 00m

2 stops

GRB4:50 pmGreen Bay Austin-Straubel

$639

Find similar

United Airlines

Oct 19

GRB10:40 amGreen Bay Austin-Straubel

13h 50m

2 stops

LHR6:30 amLondon Heathrow

Oct 26

LHR1:25 pmLondon Heathrow

25h 46m

2 stops

GRB10:11 amGreen Bay Austin-Straubel

$827

Find similar

United Airlines

Nov 28

GRB6:15 amGreen Bay Austin-Straubel

18h 25m

2 stops

LHR6:40 amLondon Heathrow

Dec 4

LHR4:40 pmLondon Heathrow

30h 06m

2 stops

GRB4:46 pmGreen Bay Austin-Straubel

$837

Find similar

British Airways flights from Green Bay to London

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

British Airways

Sep 24

GRB4:35 pmGreen Bay Austin-Straubel

10h 35m

1 stop

LHR9:10 amLondon Heathrow

Oct 3

LHR9:15 amLondon Heathrow

11h 16m

1 stop

GRB2:31 pmGreen Bay Austin-Straubel

$645

Find similar

British Airways

Sep 24

GRB4:35 pmGreen Bay Austin-Straubel

12h 30m

1 stop

LHR11:05 amLondon Heathrow

Sep 30

LHR2:25 pmLondon Heathrow

33h 31m

1 stop

GRB5:56 pmGreen Bay Austin-Straubel

$650

Find similar

British Airways

Sep 24

GRB4:35 pmGreen Bay Austin-Straubel

12h 30m

1 stop

LHR11:05 amLondon Heathrow

Oct 3

LHR6:15 amLondon Heathrow

17h 41m

2 stops

GRB5:56 pmGreen Bay Austin-Straubel

$672

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

8:00 am-9:35 am

2 stops19h 35m

London Heathrow

Fri 10/3

6:50 am-4:50 pm

2 stops16h 00m

$639

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

4:35 pm-9:10 am

1 stop10h 35m

London Heathrow

Fri 10/3

9:15 am-2:31 pm

1 stop11h 16m

$645

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

4:35 pm-11:05 am

1 stop12h 30m

London Heathrow

Tue 9/30

2:25 pm-5:56 pm

1 stop33h 31m

$650

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

4:35 pm-9:10 am

1 stop10h 35m

London Heathrow

Fri 10/3

11:05 am-5:56 pm

1 stop12h 51m

$749

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

11:11 am-6:50 am

1 stop13h 39m

London Heathrow

Tue 9/30

9:15 am-5:56 pm

2 stops14h 41m

$754

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

11:07 am-9:15 am

2 stops16h 08m

London Heathrow

Fri 10/3

6:15 am-4:11 pm

2 stops15h 56m

$756

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:01 pm-1:30 pm

2 stops14h 29m

London Heathrow

Tue 9/30

6:50 pm-10:26 am

2 stops21h 36m

$763

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

11:00 am-8:45 am

1 stop15h 45m

London Heathrow

Thu 12/4

9:40 am-8:38 pm

2 stops16h 58m

$775

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Wed 9/24

3:45 pm-4:25 pm

2 stops18h 40m

London City

Fri 10/3

8:55 am-10:40 pm

2 stops19h 45m

$789

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/3

6:15 am-9:35 am

2 stops21h 20m

London Heathrow

Fri 9/26

6:30 am-4:50 pm

2 stops16h 20m

$918

Flights are sorted by cheapest round-trip flights first.

Sorted 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 typical price of a round-trip flight between Green Bay and London?

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Green Bay to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $691. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,460. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Green Bay in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $738 when looking at flights departing in the afternoon. Flights to London are more costly in the morning, with an average ticket price of $904. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Best Price Found	$639
Fastest flight time	10h 07m
Direct flights	None
Airports in London	2 airports

The best flight deal from Green Bay to London found on momondo in the last 72 hours is $639

The fastest flight from Green Bay to London takes 10h 07m

There are no direct flights from Green Bay to London. Popular non-direct routes for this connection are Green Bay Austin-Straubel Airport - London City Airport and Green Bay Austin-Straubel Airport - London Heathrow Airport.

There are 2 airports near London: London City (LCY), London Heathrow (LHR)

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 10h 07m.
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 August 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Green Bay to London is British Airways (51% of total bookings). The next most popular airline is American Airlines (49%).

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 Airways	PriceFrom $650	Free Cancellation	Rating 6.6 7,266 reviews	Search British Airways flights
American Airlines	PriceFrom $699	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $701	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights

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Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Colchester

Folkestone

Watford

Richmond

Canterbury

Wembley

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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

Cheap flights from Green Bay to London from $639

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 9/24. 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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Big names and deals

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Filter for what you want

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United Airlines flights from Green Bay to London

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

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

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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 typical price of a round-trip flight between Green Bay and London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight 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

Best Price Found

Fastest flight time

Direct flights

Airports in London

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

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

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?

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

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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