GRB - LHR

$284 Find Cheap Flights from Green Bay to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Green Bay to Heathrow departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to London, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$751
Overall average: $759
Lufthansa
Tue 4/28Tue 5/12
GRB - LHR • 2 stops
Cheapest one-way
$284
KLM
Sun 7/26
GRB - LHR • 1 stop
Top airlines
Cheapest • from $751 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Green Bay and Heathrow. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,094 (round-trip)
Shortest trip • 9h 37m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 49% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Green Bay to Heathrow (GRB-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Green Bay to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Green Bay to Heathrow

Tue, Apr 28 - Tue, May 12
Lufthansa Logo
5:40 pm - 3:40 pm
GRB
-
LHR
16h 00m
2 stops
Lufthansa Logo
1:30 pm - 10:58 pm
LHR
-
GRB
15h 28m
2 stops
$751Lufthansa
Tue, Apr 28 - Tue, May 12
Lufthansa Logo
1:30 pm - 12:40 pm
GRB
-
LHR
17h 10m
2 stops
Lufthansa Logo
1:30 pm - 10:58 pm
LHR
-
GRB
15h 28m
2 stops
$760Lufthansa
Tue, Apr 28 - Tue, May 12
Iberia Logo
9:42 am - 10:30 am
GRB
-
LHR
18h 48m
1 stop
Iberia Logo
6:15 am - 10:03 pm
LHR
-
GRB
21h 48m
2 stops
$769Iberia
Tue, Apr 28 - Tue, May 12
Iberia Logo
9:42 am - 10:30 am
GRB
-
LHR
18h 48m
1 stop
Iberia Logo
6:15 am - 10:03 pm
LHR
-
GRB
21h 48m
2 stops
$770Iberia
Fri, Apr 24 - Fri, May 1
Lufthansa Logo
5:40 pm - 3:40 pm
GRB
-
LHR
16h 00m
2 stops
Lufthansa Logo
7:25 am - 9:31 pm
LHR
-
GRB
20h 06m
2 stops
$786Lufthansa
Fri, Apr 24 - Fri, May 8
Lufthansa Logo
5:40 pm - 3:40 pm
GRB
-
LHR
16h 00m
2 stops
Lufthansa Logo
6:30 am - 4:50 pm
LHR
-
GRB
16h 20m
2 stops
$796Lufthansa
Fri, Apr 24 - Fri, May 8
Lufthansa Logo
5:40 pm - 6:25 pm
GRB
-
LHR
18h 45m
2 stops
Lufthansa Logo
6:30 am - 4:50 pm
LHR
-
GRB
16h 20m
2 stops
$797Lufthansa
Tue, Apr 28 - Tue, May 12
British Airways Logo
5:30 pm - 12:15 pm
GRB
-
LHR
12h 45m
1 stop
British Airways Logo
1:10 pm - 10:03 pm
LHR
-
GRB
14h 53m
1 stop
$798British Airways
Mon, Sep 7 - Fri, Sep 25
American Airlines Logo
6:37 pm - 11:15 am
GRB
-
LHR
10h 38m
1 stop
American Airlines Logo
1:10 pm - 11:07 pm
LHR
-
GRB
15h 57m
1 stop
$803American Airlines
Mon, Sep 7 - Fri, Sep 25
American Airlines Logo
6:37 pm - 11:15 am
GRB
-
LHR
10h 38m
1 stop
American Airlines Logo
1:10 pm - 11:07 pm
LHR
-
GRB
15h 57m
1 stop
$804American Airlines
Booking Insights

KAYAK's insights & trends for Green Bay to Heathrow flights

Get data-powered insights and trends into flights from Green Bay to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Green Bay to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Green Bay to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Green Bay to London Heathrow Airport is October, where tickets cost $662 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $4,893 and $1,587 respectively.

Good to know

Low seasonJanuary
Cheapest flight$284
Best time to beat the crowds with an average 42% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Green Bay to London Heathrow Airport

When to book flights from Green Bay to Heathrow

Are your dates flexible? Find out the best times to travel from Green Bay to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Green Bay to London Heathrow Airport flights

  • What is the cheapest flight from Green Bay to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Green Bay to London Heathrow Airport was $284 for a one-way ticket and $751 for a round-trip.

  • Do I need a passport to fly between Green Bay and London Heathrow Airport?

    Yes, you’ll need a passport to travel to London Heathrow Airport from Green Bay.

  • Which aircraft models fly most regularly from Green Bay to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Green Bay to London Heathrow Airport?

    Star Alliance, and oneworld are the airline alliances operating flights between Green Bay and London Heathrow Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Green Bay to London, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Green Bay to London are United Airlines and American Airlines. With an average price for the route of $897 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $1,411 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Green Bay to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Green Bay to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Green Bay to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Green Bay is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Green Bay to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Green Bay with another airline. Booking your flights between Green Bay and LHR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Green Bay to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Green Bay up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Green Bay to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Green Bay to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Green Bay to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9431 reviews
7.7Boarding
8.1Crew
6.6Food
7.1Entertainment
7.3Comfort
Airline reviews

OK, we were delayed and had to de plane and reboard.

6.0 GoodJamie, Mar 2026
LAX - EWR
Read more United Airlines reviews

OK, we were delayed and had to de plane and reboard.

United is one airline which regardless of how many separate United tickets in existence, if one flight breaks down, the airline will take care of all the flights.

Both our flights were delayed. Almost didn’t get in the second flight. Staff was rude to the bone.

Both my flight where delayed Had 25min to make it to my transfer flight

Everything was on time and service on the flight was great!

Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .

The 777’s economy seat’s legroom was more tolerable than expected. I appreciate the reclining mechanism which slides the seat forward to minimize cannibalizing the space behind. The food was terrible: very salty.

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Good level of service. Comfortable airplane. However, security is always a hassle at LHR. I always try to avoid that airport at all cost if possible.

Everything smooth. The only thing is that my connecting flight in the US to my final destination was delayed. The time changed 4 times. For the rest, everything on time without issues

My flight to London from Philadelphia was cancelled due to weather.

Disliked having to wait a little longer to disembark from the plan when we landed in London

Food should be better quality. Video screens have poor resolution and the library of movies is poor. The other airlines are much better.

The trip was smooth but the crew were very abrupt, snatching things before finished and being quite snappy when asked questions.

My wife and I love to travel, so we fly a lot. We've already logged 381,075 miles and with practically every major airline. But this flight was very disappointing. It started off well, with no delays and a new plane. But when lunchtime approached, all that good impression was ruined. Instead of white tablecloths, we were offered small, dark placemats, which, as it turned out, were perfectly adequate for the food. All the food offered—and my wife and I only took fish, and the meat—was not just bad, it was downright disgusting and not heated enough. The same applies to the appetizers. This was the first time in many years of traveling that we've been offered such disgusting food.

Lost luggage stuck no clothes and no word after 2 days leaving on cruise no stuff or clothes

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

The flight was canceled 3 hours after original take off time

Very please with the seating that the Kayak staff booked for us!

Worth every penny to upgrade to BC. Treated and felt more like First Class

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Everything you need to know for your flight from Green Bay to Heathrow

Information on your arrival and departure airports