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Heathrow

$629+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LHR
ene. 8 — ene. 151
jue. 1/8
jue. 1/15
1 adult, Economy
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Cheap 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 diciembre 9, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/8. 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.
mié. 12/2410:44 amGRB - LHR
1 stop13h 11mLufthansa
vie. 1/167:30 amLHR - GRB
2 stops20h 01mLufthansa
Deal found 12/8$757
This United Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/2410:44 amGRB - LHR
1 stop13h 11mUnited Airlines
vie. 1/1610:25 amLHR - GRB
1 stop12h 22mUnited Airlines
Deal found 12/8$811
This American Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/2410:09 amGRB - LHR
2 stops15h 11mAmerican Airlines
vie. 1/161:30 pmLHR - GRB
2 stops14h 42mAmerican Airlines
Deal found 12/8$912
This United Airlines deal was found by Cheapflights users on 12/8. 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.
lun. 12/155:21 pmGRB - LHR
1 stop11h 54mUnited Airlines
lun. 12/221:35 pmLHR - GRB
1 stop14h 01mUnited Airlines
Deal found 12/8$958
This Ovago deal was found by Cheapflights users on 12/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/265:22 pmGRB - LHR
1 stop30h 33mLufthansa
sáb. 1/310:25 amLHR - GRB
1 stop17h 11mLufthansa
Deal found 12/8$2,913
This Delta deal was found by Cheapflights users on 12/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:00 amGRB - LHR
2 stops18h 05mDelta
sáb. 1/38:55 amLHR - GRB
2 stops17h 47mDelta
Deal found 12/8$3,048

Find 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 diciembre 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(Delta)

Popular in

November

Cheapest in

October

Average price

$1,587
Provider with most accurate pricing for Green Bay Austin-Straubel-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-London Heathrow flights.
Search Deals
From Green Bay Austin-Straubel to London Heathrow
Search Deals
Highest demand for flights based on searches. 43% potential increase in price ($1,039 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 36% potential price decrease ($356 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
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 diciembre 9, 2025.
Use the filters below to find and compare flights from Green Bay to London Heathrow Airport that are best for you.

Fly from

Green Bay

Fly to

Heathrow

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

jue. 1/22

5:00 am-7:50 am

1 stop20h 50m

London Heathrow

jue. 1/29

6:30 am-4:39 pm

2 stops16h 09m

$629

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

jue. 1/22

5:00 am-9:00 am

1 stop22h 00m

London Heathrow

jue. 1/29

1:00 pm-8:43 pm

1 stop13h 43m

$656

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

vie. 1/23

10:42 am-5:55 am

1 stop13h 13m

London Heathrow

mar. 1/27

6:50 am-3:07 pm

2 stops14h 17m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to London Heathrow Airport

How much does it cost to fly round-trip from Green Bay to London Heathrow Airport?

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 diciembre 9, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from Green Bay to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,089 reviews
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,043 reviews
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,573 reviews
United Airlines
7.4
Good
9,089 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Green Bay to London Heathrow Airport?

    A quick flight from Green Bay to London Heathrow Airport can take about 13h 13m. Delta provides one of the quickest options available for as low as $687. Airlines will cover a distance of 3833 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $650. Other airlines that can offer you cheap pricing are American Airlines, from $699, and United Airlines, from $701. You may be able to fly from Green Bay to London Heathrow Airport for 51% less than the average price by searching for these airlines.

  • 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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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 diciembre 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$775FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$699Average$1,391FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$701Average$867FlexibilityNo cancel feeOn-time69%

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