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Cheap flights from Green Bay to London from $660

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 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
10:45 am - 6:55 am
GRB
-
LHR
14h 10m
2 stops
United Airlines Logo
7:25 am - 10:45 pm
LHR
-
GRB
21h 20m
2 stops
$660United Airlines
mar., ago. 25 - mar., sep. 1
United Airlines Logo
2:35 pm - 12:50 pm
GRB
-
LHR
16h 15m
2 stops
United Airlines Logo
7:25 am - 10:45 pm
LHR
-
GRB
21h 20m
2 stops
$665United Airlines
lun., jul. 20 - jue., ago. 27
United Airlines Logo
2:35 pm - 8:30 am
GRB
-
LHR
11h 55m
1 stop
United Airlines Logo
7:25 am - 10:45 pm
LHR
-
GRB
21h 20m
2 stops
$666United Airlines
lun., jul. 20 - jue., ago. 27
Delta Logo
11:53 am - 1:05 pm
GRB
-
LHR
19h 12m
1 stop
Delta Logo
6:30 am - 9:26 pm
LHR
-
GRB
20h 56m
2 stops
$668Delta
lun., jul. 20 - vie., ago. 28
United Airlines Logo
6:30 am - 6:55 am
GRB
-
LHR
18h 25m
2 stops
United Airlines Logo
6:55 am - 7:05 pm
LHR
-
GRB
18h 10m
2 stops
$670United Airlines
mar., ago. 25 - mar., sep. 1
United Airlines Logo
3:44 pm - 5:05 pm
GRB
-
LHR
19h 21m
2 stops
United Airlines Logo
7:30 am - 9:04 pm
LHR
-
GRB
19h 34m
2 stops
$677United Airlines
lun., jul. 20 - vie., ago. 28
United Airlines Logo
1:11 pm - 6:45 am
GRB
-
LHR
11h 34m
1 stop
United Airlines Logo
8:00 am - 4:43 pm
LHR
-
GRB
14h 43m
1 stop
$684United Airlines
lun., ago. 24 - mar., sep. 1
American Airlines Logo
2:59 pm - 9:05 am
GRB
-
LHR
12h 06m
1 stop
American Airlines Logo
11:10 am - 6:07 pm
LHR
-
GRB
12h 57m
1 stop
$685American Airlines
lun., jul. 20 - vie., ago. 28
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
dom., ago. 9 - mié., ago. 26
United Airlines Logo
10:45 am - 6:55 am
GRB
-
LHR
14h 10m
2 stops
United Airlines Logo
8:00 am - 4:43 pm
LHR
-
GRB
14h 43m
1 stop
$689United Airlines
mar., ago. 25 - mar., sep. 1

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
Jul 20
GRB2:35 pmGreen Bay Austin-Straubel
16h 15m
2 stops
LHR12:50 pmLondon Heathrow
Aug 27
LHR7:25 amLondon Heathrow
21h 20m
2 stops
GRB10:45 pmGreen Bay Austin-Straubel
$665
United Airlines
Jul 20
GRB2:35 pmGreen Bay Austin-Straubel
11h 55m
1 stop
LHR8:30 amLondon Heathrow
Aug 27
LHR7:25 amLondon Heathrow
21h 20m
2 stops
GRB10:45 pmGreen Bay Austin-Straubel
$666
United Airlines
Aug 25
GRB6:30 amGreen Bay Austin-Straubel
18h 25m
2 stops
LHR6:55 amLondon Heathrow
Sep 1
LHR6:55 amLondon Heathrow
18h 10m
2 stops
GRB7:05 pmGreen Bay Austin-Straubel
$670

British Airways flights from Green Bay to London Heathrow Airport

Our best British Airways deals on Green Bay to London Heathrow Airport flight tickets
British Airways
Apr 24
GRB5:24 pmGreen Bay Austin-Straubel
11h 06m
1 stop
LHR10:30 amLondon Heathrow
May 1
LHR9:45 amLondon Heathrow
19h 46m
1 stop
GRB11:31 pmGreen Bay Austin-Straubel
$729
British Airways
May 1
GRB7:30 amGreen Bay Austin-Straubel
18h 10m
1 stop
LHR7:40 amLondon Heathrow
May 15
LHR12:15 pmLondon Heathrow
15h 48m
1 stop
GRB10:03 pmGreen Bay Austin-Straubel
$730
British Airways
Aug 23
GRB6:37 pmGreen Bay Austin-Straubel
10h 38m
1 stop
LHR11:15 amLondon Heathrow
Sep 7
LHR9:45 amLondon Heathrow
14h 22m
1 stop
GRB6:07 pmGreen Bay Austin-Straubel
$735

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 febrero 27, 2026.
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

mar. 8/25

10:45 am-6:55 am

2 stops14h 10m

London Heathrow

mar. 9/1

7:25 am-10:45 pm

2 stops21h 20m

$660

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 7/20

2:35 pm-12:50 pm

2 stops16h 15m

London Heathrow

jue. 8/27

7:25 am-10:45 pm

2 stops21h 20m

$665

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 7/20

2:35 pm-8:30 am

1 stop11h 55m

London Heathrow

jue. 8/27

7:25 am-10:45 pm

2 stops21h 20m

$666

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 7/20

11:53 am-1:05 pm

1 stop19h 12m

London Heathrow

vie. 8/28

6:30 am-9:26 pm

2 stops20h 56m

$668

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mar. 8/25

6:30 am-6:55 am

2 stops18h 25m

London Heathrow

mar. 9/1

6:55 am-7:05 pm

2 stops18h 10m

$670

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 7/20

3:44 pm-5:05 pm

2 stops19h 21m

London Heathrow

vie. 8/28

7:30 am-9:04 pm

2 stops19h 34m

$677

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 8/24

1:11 pm-6:45 am

1 stop11h 34m

London Heathrow

mar. 9/1

8:00 am-4:43 pm

1 stop14h 43m

$684

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

lun. 7/20

2:59 pm-9:05 am

1 stop12h 06m

London Heathrow

vie. 8/28

11:10 am-6:07 pm

1 stop12h 57m

$685

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

dom. 8/9

3:44 pm-11:45 am

1 stop14h 01m

London Heathrow

mié. 8/26

7:30 am-9:15 pm

2 stops19h 45m

$688

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

mar. 8/25

10:45 am-6:55 am

2 stops14h 10m

London Heathrow

mar. 9/1

8:00 am-4:43 pm

1 stop14h 43m

$689

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Green Bay, with most prices found around $662. If you’re not able to fly to London Heathrow Airport in October, then March is your next best option. Flight prices from Green Bay to London Heathrow Airport during March average around $701.

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

Fastest flight time

10h 11m

Direct flights

None
The fastest flight from Green Bay to London Heathrow Airport takes 10h 11m
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.
Search flight deals

  • 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 11m.

  • 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
7,772 reviews
Search British Airways flights
United AirlinesPriceFrom $701Free CancellationRating
7.4
9,362 reviews
Search United Airlines flights
American AirlinesPriceFrom $701Free CancellationRating
7.1
11,367 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
Stratford-upon-Avon
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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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