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

KLM, Virgin Atlantic, and British Airways 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 58% 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 September 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.

$510 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.

10:05 am - 10:50 amGRB Green Bay Austin-Straubel-LHR London Heathrow

18h 45m1 stop Chicago O'Hare Intl

7:10 pm - 7:56 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

30h 46m2 stops Madrid Barajas Chicago O'Hare Intl

$883British Airways

Sun, Sep 13 - Wed, Sep 23

1:05 pm - 6:25 amGRB Green Bay Austin-Straubel-LHR London Heathrow

12h 20m1 stop Atlanta Hartsfield-Jackson

11:45 am - 9:01 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

15h 16m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$888Delta

Wed, Oct 28 - Fri, Nov 6

7:00 am - 7:45 amGRB Green Bay Austin-Straubel-LHR London Heathrow

19h 45m1 stop Detroit Metropolitan Wayne County

11:45 am - 9:01 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

15h 16m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$888Delta

Sun, Oct 25 - Wed, Nov 4

5:30 am - 6:25 amGRB Green Bay Austin-Straubel-LHR London Heathrow

18h 55m1 stop Atlanta Hartsfield-Jackson

9:55 am - 10:27 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

18h 32m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$888Delta

Wed, Oct 14 - Wed, Oct 21

10:05 am - 10:50 amGRB Green Bay Austin-Straubel-LHR London Heathrow

18h 45m1 stop Chicago O'Hare Intl

12:15 pm - 12:13 amLHR London Heathrow-GRB Green Bay Austin-Straubel

17h 58m1 stop Chicago O'Hare Intl

$897American Airlines

Tue, Sep 15 - Fri, Oct 2

10:05 am - 7:40 amGRB Green Bay Austin-Straubel-LHR London Heathrow

15h 35m1 stop Chicago O'Hare Intl

12:15 pm - 12:13 amLHR London Heathrow-GRB Green Bay Austin-Straubel

17h 58m1 stop Chicago O'Hare Intl

$897American Airlines

Sun, Sep 13 - Wed, Sep 23

2:46 pm - 8:35 amGRB Green Bay Austin-Straubel-LHR London Heathrow

11h 49m1 stop Chicago O'Hare Intl

3:40 pm - 9:22 amLHR London Heathrow-GRB Green Bay Austin-Straubel

23h 42m1 stop Chicago O'Hare Intl

$927British Airways

Sat, Feb 20 - Fri, Feb 26

3:44 pm - 5:55 amGRB Green Bay Austin-Straubel-LHR London Heathrow

32h 11m1 stop Chicago O'Hare Intl

6:50 am - 7:05 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

18h 15m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$932United Airlines

Sat, Feb 20 - Fri, Feb 26

10:05 am - 8:25 amGRB Green Bay Austin-Straubel-LHR London Heathrow

40h 20m2 stops Chicago O'Hare Intl Madrid Barajas

9:45 am - 7:56 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

16h 11m1 stop Chicago O'Hare Intl

$973British Airways

Wed, Sep 23 - Mon, Sep 28

10:37 am - 6:20 amGRB Green Bay Austin-Straubel-LHR London Heathrow

14h 43m2 stops Chicago O'Hare Intl Newark

6:50 am - 4:52 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

16h 02m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$993United Airlines

Mon, Oct 26 - Thu, Nov 5

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Iberia flights from Green Bay to London

Our best Iberia deals on Green Bay to London flight tickets

Iberia

Sep 4

GRB7:02 pmGreen Bay Austin-Straubel

11h 13m

1 stop

LHR12:15 pmLondon Heathrow

Sep 11

LHR6:15 amLondon Heathrow

19h 41m

2 stops

GRB7:56 pmGreen Bay Austin-Straubel

$1,144

Iberia

Sep 23

GRB4:16 pmGreen Bay Austin-Straubel

13h 59m

1 stop

LHR12:15 pmLondon Heathrow

Sep 28

LHR2:25 pmLondon Heathrow

11h 31m

1 stop

GRB7:56 pmGreen Bay Austin-Straubel

$1,178

Iberia

Oct 25

GRB2:46 pmGreen Bay Austin-Straubel

12h 49m

1 stop

LHR8:35 amLondon Heathrow

Nov 2

LHR3:00 pmLondon Heathrow

33h 22m

2 stops

GRB6:22 pmGreen Bay Austin-Straubel

$1,243

Delta flights from Green Bay to London

Our best Delta deals on Green Bay to London flight tickets

Delta

Oct 25

GRB7:00 amGreen Bay Austin-Straubel

19h 45m

1 stop

LHR7:45 amLondon Heathrow

Nov 4

LHR11:45 amLondon Heathrow

15h 16m

2 stops

GRB9:01 pmGreen Bay Austin-Straubel

$888

Delta

Oct 27

GRB7:00 amGreen Bay Austin-Straubel

18h 50m

2 stops

LHR6:50 amLondon Heathrow

Nov 3

LHR6:30 amLondon Heathrow

16h 51m

2 stops

GRB5:21 pmGreen Bay Austin-Straubel

$892

Delta

Oct 24

GRB4:51 pmGreen Bay Austin-Straubel

33h 14m

1 stop

LHR8:05 amLondon Heathrow

Nov 5

LHR11:45 amLondon Heathrow

15h 16m

2 stops

GRB9:01 pmGreen Bay Austin-Straubel

$893

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

10:05 am-10:50 am

1 stop18h 45m

London Heathrow

Wed 9/23

7:10 pm-7:56 pm

2 stops30h 46m

$883

Quickest round-trip

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 10/28

1:05 pm-6:25 am

1 stop12h 20m

London Heathrow

Fri 11/6

11:45 am-9:01 pm

2 stops15h 16m

$888

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 10/25

7:00 am-7:45 am

1 stop19h 45m

London Heathrow

Wed 11/4

11:45 am-9:01 pm

2 stops15h 16m

$888

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 10/14

5:30 am-6:25 am

1 stop18h 55m

London Heathrow

Wed 10/21

9:55 am-10:27 pm

2 stops18h 32m

$888

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 9/15

10:05 am-10:50 am

1 stop18h 45m

London Heathrow

Fri 10/2

12:15 pm-12:13 am

1 stop17h 58m

$897

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

10:05 am-7:40 am

1 stop15h 35m

London Heathrow

Wed 9/23

12:15 pm-12:13 am

1 stop17h 58m

$897

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sat 2/20

2:46 pm-8:35 am

1 stop11h 49m

London Heathrow

Fri 2/26

3:40 pm-9:22 am

1 stop23h 42m

$927

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sat 2/20

3:44 pm-5:55 am

1 stop32h 11m

London Heathrow

Fri 2/26

6:50 am-7:05 pm

2 stops18h 15m

$932

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Wed 9/23

10:05 am-8:25 am

2 stops40h 20m

London Heathrow

Mon 9/28

9:45 am-7:56 pm

1 stop16h 11m

$973

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Mon 10/26

10:37 am-6:20 am

2 stops14h 43m

London Heathrow

Thu 11/5

6:50 am-4:52 pm

2 stops16h 02m

$993

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 October. Flight prices, which tend to average around $717, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Green Bay averaging around $754.

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

You could potentially save up to 25% 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

Best Price Found	$510
Fastest flight time	10h 41m
Direct flights	None

The best one-way flight to London from Green Bay in the past 72 hours is $510. The best round-trip flight deal from Green Bay to London found on momondo in the last 72 hours is $883.

The fastest flight from Green Bay to London takes 10h 41m

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 10h 41m.
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 September 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
American Airlines	PriceFrom $676	Free Cancellation	Rating 7.1 12,030 reviews	Search American Airlines flights
British Airways	PriceFrom $717	Free Cancellation	Rating 6.7 8,198 reviews	Search British Airways flights
United Airlines	PriceFrom $767	Free Cancellation	Rating 7.4 10,160 reviews	Search United Airlines flights

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Harrow

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Eastbourne

Worthing

Hook

Uxbridge

Romford

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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Cheap flights from Green Bay to London from $510

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 10/16. 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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Iberia flights from Green Bay to London

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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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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