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Cheap flights from Green Bay to London from $610

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 11/28. 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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Cheap round-trip flights

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Virgin Atlantic Logo
5:19 am - 7:50 amGRB-LHR
20h 31m1 stop
Virgin Atlantic Logo
10:45 am - 10:37 pmLHR-GRB
17h 52m1 stop
$610Virgin Atlantic
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Fri, Nov 28 - Thu, Dec 4
Virgin Atlantic Logo
5:19 am - 7:50 amGRB-LHR
20h 31m1 stop
Virgin Atlantic Logo
10:45 am - 10:37 pmLHR-GRB
17h 52m1 stop
$612Virgin Atlantic
Find Deal
Fri, Nov 28 - Thu, Dec 4
Multiple Airlines Logo
11:11 am - 6:50 amGRB-LHR
13h 39m2 stops
Multiple Airlines Logo
6:30 am - 3:37 pmLHR-GRB
15h 07m2 stops
$613Multiple Airlines
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Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
11:11 am - 6:50 amGRB-LHR
13h 39m2 stops
Multiple Airlines Logo
6:30 am - 3:37 pmLHR-GRB
15h 07m2 stops
$627Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
United Airlines Logo
1:35 pm - 11:15 amGRB-LHR
15h 40m1 stop
United Airlines Logo
11:10 am - 3:12 pmLHR-GRB
34h 02m2 stops
$684United Airlines
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Sun, Dec 7 - Sun, Dec 14
United Airlines Logo
3:51 pm - 7:55 amGRB-LHR
10h 04m1 stop
United Airlines Logo
12:05 pm - 9:32 pmLHR-GRB
15h 27m2 stops
$702United Airlines
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Sun, Dec 7 - Sun, Dec 14
British Airways Logo
11:32 am - 11:15 amGRB-LHR
17h 43m1 stop
British Airways Logo
7:25 pm - 5:43 pmLHR-GRB
28h 18m2 stops
$827British Airways
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Sun, Mar 29 - Sat, Apr 4
British Airways Logo
11:32 am - 6:55 pmGRB-LHR
25h 23m2 stops
British Airways Logo
7:25 pm - 5:43 pmLHR-GRB
28h 18m2 stops
$896British Airways
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Sun, Mar 29 - Sat, Apr 4
American Airlines Logo
6:39 pm - 11:35 amGRB-LHR
11h 56m1 stop
American Airlines Logo
9:15 am - 5:43 pmLHR-GRB
14h 28m1 stop
$1,012American Airlines
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Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
6:39 pm - 11:35 amGRB-LHR
11h 56m1 stop
American Airlines Logo
9:15 am - 5:43 pmLHR-GRB
14h 28m1 stop
$1,013American Airlines
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Fri, Mar 27 - Tue, Mar 31

KLM flights from Green Bay to London Heathrow Airport

Our best KLM deals on Green Bay to London Heathrow Airport flight tickets
KLM
Dec 7
GRB12:13 pmGreen Bay Austin-Straubel
12h 52m
1 stop
LHR7:05 amLondon Heathrow
Dec 14
LHR6:30 amLondon Heathrow
15h 07m
2 stops
GRB3:37 pmGreen Bay Austin-Straubel
$622
Find similar
KLM
Nov 28
GRB2:52 pmGreen Bay Austin-Straubel
11h 53m
1 stop
LHR8:45 amLondon Heathrow
Dec 4
LHR6:30 amLondon Heathrow
15h 37m
2 stops
GRB4:07 pmGreen Bay Austin-Straubel
$635
Find similar
KLM
Dec 7
GRB12:13 pmGreen Bay Austin-Straubel
12h 52m
1 stop
LHR7:05 amLondon Heathrow
Dec 14
LHR1:00 pmLondon Heathrow
13h 39m
1 stop
GRB8:39 pmGreen Bay Austin-Straubel
$641
Find similar

United Airlines flights from Green Bay to London Heathrow Airport

Our best United Airlines deals on Green Bay to London Heathrow Airport flight tickets
United Airlines
Dec 7
GRB1:35 pmGreen Bay Austin-Straubel
15h 40m
1 stop
LHR11:15 amLondon Heathrow
Dec 14
LHR11:10 amLondon Heathrow
34h 02m
2 stops
GRB3:12 pmGreen Bay Austin-Straubel
$684
Find similar
United Airlines
Dec 7
GRB3:51 pmGreen Bay Austin-Straubel
10h 04m
1 stop
LHR7:55 amLondon Heathrow
Dec 14
LHR12:05 pmLondon Heathrow
15h 27m
2 stops
GRB9:32 pmGreen Bay Austin-Straubel
$702
Find similar
United Airlines
Dec 7
GRB8:00 amGreen Bay Austin-Straubel
17h 10m
2 stops
LHR7:10 amLondon Heathrow
Dec 14
LHR10:25 amLondon Heathrow
12h 21m
1 stop
GRB4:46 pmGreen Bay Austin-Straubel
$709
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momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to London Heathrow Airport 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 October 23, 2025.
Use the filters below to find and compare flights from Green Bay to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

5:19 am-7:50 am

1 stop20h 31m

London Heathrow

Thu 12/4

10:45 am-10:37 pm

1 stop17h 52m

$610

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 11/28

5:19 am-7:50 am

1 stop20h 31m

London Heathrow

Thu 12/4

10:45 am-10:37 pm

1 stop17h 52m

$612

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 12/7

11:11 am-6:50 am

2 stops13h 39m

London Heathrow

Sun 12/14

6:30 am-3:37 pm

2 stops15h 07m

$613

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 12/7

11:11 am-6:50 am

2 stops13h 39m

London Heathrow

Sun 12/14

6:30 am-3:37 pm

2 stops15h 07m

$627

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 12/7

1:35 pm-11:15 am

1 stop15h 40m

London Heathrow

Sun 12/14

11:10 am-3:12 pm

2 stops34h 02m

$684

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 12/7

3:51 pm-7:55 am

1 stop10h 04m

London Heathrow

Sun 12/14

12:05 pm-9:32 pm

2 stops15h 27m

$702

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 3/29

11:32 am-11:15 am

1 stop17h 43m

London Heathrow

Sat 4/4

7:25 pm-5:43 pm

2 stops28h 18m

$827

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 3/29

11:32 am-6:55 pm

2 stops25h 23m

London Heathrow

Sat 4/4

7:25 pm-5:43 pm

2 stops28h 18m

$896

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 3/27

6:39 pm-11:35 am

1 stop11h 56m

London Heathrow

Tue 3/31

9:15 am-5:43 pm

1 stop14h 28m

$1,012

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 3/27

6:39 pm-11:35 am

1 stop11h 56m

London Heathrow

Tue 3/31

9:15 am-5:43 pm

1 stop14h 28m

$1,013

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 Heathrow Airport

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 day to depart on your flight to London Heathrow Airport?

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $802. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,460.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Green Bay to London Heathrow Airport in the morning for as low as $944. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $947.

When to book flights from Green Bay to London Heathrow Airport

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

Cheap Green Bay to London Heathrow Airport (GRB to LHR) flight deals and tips

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

Direct flights

None
There are no direct flights from Green Bay to London Heathrow Airport. There are no popular flight routes from Green Bay to London Heathrow Airport.
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  • How far is Green Bay Austin-Straubel to London Heathrow by plane?

    Green Bay Austin-Straubel and London Heathrow are 3827.3 mi apart from one another. A reasonable flight in good conditions will take 10h 04m.

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

    Prices for flights from Green Bay Austin-Straubel Airport to London Heathrow Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Green Bay to London Heathrow Airport

Compare and see reviews for airlines that fly from Green Bay to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $650Free CancellationRating
6.7
7,467 reviews
Search British Airways flights
United AirlinesPriceFrom $701Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
American AirlinesPriceFrom $701Free CancellationRating
7.2
11,028 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
Guildford
Hayes
Dartford
Crawley
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Colchester
Folkestone
Romford
Swindon
Cobham
Wembley

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Green Bay.

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

Yes. All flights to London from Green Bay on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Green Bay and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Green Bay to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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