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$716+ Cheap flights from Green Bay (GRB) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Green Bay to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(United Airlines)

Popular in

June

Cheapest in

April
Provider with most accurate pricing for Green Bay Austin-Straubel-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-London Heathrow flights.
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From Green Bay Austin-Straubel to London Heathrow
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($311 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Find flight deals from Green Bay to Heathrow

Cheapest flights from Green Bay to Heathrow
Explore the most affordable flight options available from Green Bay to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:20 pmGRB - LHR
1 stop11h 55mUnited Airlines
Wed 3/123:00 pmLHR - GRB
2 stops30h 42mUnited Airlines
Deal found 1/21$716
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:15 amGRB - LHR
1 stop20h 40mKLM
Wed 3/1212:20 pmLHR - GRB
1 stop13h 06mKLM
Deal found 1/21$739
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:34 pmGRB - LHR
1 stop10h 21mBritish Airways
Fri 10/102:25 pmLHR - GRB
1 stop14h 48mBritish Airways
Deal found 1/21$740
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:59 amGRB - LHR
1 stop17h 11mAmerican Airlines
Sun 7/201:10 pmLHR - GRB
1 stop15h 53mAmerican Airlines
Deal found 1/21$1,167
This Netflights deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/275:20 amGRB - LHR
1 stop20h 35mVirgin Atlantic
Tue 4/1511:20 amLHR - GRB
1 stop17h 52mVirgin Atlantic
Deal found 1/21$1,646
This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:14 pmGRB - LHR
3 stops18h 36mMultiple Airlines
Wed 3/128:15 pmLHR - GRB
2 stops51h 41mMultiple Airlines
Deal found 1/21$3,660
This Cheapflightsfares deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:18 pmGRB - LHR
1 stop12h 27mLufthansa
Mon 9/1511:05 amLHR - GRB
1 stop11h 38mLufthansa
Deal found 1/21$6,186

Find flights from Green Bay to Heathrow within your budget

Customize your flight search to find flights from Green Bay to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 3/5

5:20 pm-11:15 am

1 stop11h 55m

London Heathrow

Wed 3/12

3:00 pm-4:42 pm

2 stops30h 42m

$716

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 3/5

5:15 am-7:55 am

1 stop20h 40m

London Heathrow

Wed 3/12

12:20 pm-8:26 pm

1 stop13h 06m

$739

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 7/9

9:59 am-9:10 am

1 stop17h 11m

London Heathrow

Sun 7/20

1:10 pm-11:03 pm

1 stop15h 53m

$1,167

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 6/12

11:28 am-10:30 am

1 stop17h 02m

London Heathrow

Thu 6/26

11:30 am-11:07 pm

2 stops17h 37m

$1,412

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 3/5

12:14 pm-12:50 pm

3 stops18h 36m

London Heathrow

Wed 3/12

8:15 pm-6:56 pm

2 stops51h 41m

$3,660

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 6/12

7:00 am-12:05 pm

2 stops23h 05m

$718

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 6/14

7:00 am-10:20 am

3 stops21h 20m

$792

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 6/14

6:28 pm-9:10 am

1 stop32h 42m

$878

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 6/12

6:28 pm-10:30 am

1 stop10h 02m

$928

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 2/3

3:40 pm-11:15 am

1 stop13h 35m

$1,183

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 results
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Compare providers for flights from Green Bay to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Heathrow in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Green Bay to Heathrow

Get recent, data-driven insights about flights from Green Bay to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Green Bay to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Green Bay to London Heathrow Airport (average of $661). Flying from Green Bay to London Heathrow Airport in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated January 21, 2025.
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,985 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

WestJet
7.2
Good
2,829 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Green Bay to London Heathrow?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to London Heathrow. On average, Austin-Straubel has 0 outbound flights to London Heathrow per day from 3 airlines. Green Bay Austin-Straubel is conveniently located just 5.9 mi from Green Bay’s city center.

  • What are the cheapest airlines flying from Green Bay to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Green Bay to London Heathrow Airport round-trip from $716. Other airlines that can offer you cheap pricing are KLM, from $739, and American Airlines, from $1,167. You may be able to fly from Green Bay to London Heathrow Airport for 31% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Green Bay to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $718. However, be on the lookout for offers from British Airways and American Airlines, as they are both options that can get you from Green Bay to London Heathrow Airport for a low price.

  • Can I find deals for flights from Green Bay to Heathrow that include hotel bookings?

    Yes. In addition to deals on Green Bay to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Heathrow.

  • Can I find deals for business class flights from Green Bay to Heathrow?

    Yes. Cheapflights offers flight deals from Green Bay to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from Green Bay to London Heathrow Airport (average of $661). Flying from Green Bay to London Heathrow Airport in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Top 3 airlines flying from Green Bay to Heathrow

Discover the top 3 airlines that operate flights from Green Bay to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$638Average$875FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$718Average$1,080FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$721Average$994FlexibilityNo cancel feeOn-time71%
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