$746+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LHR
Oct 22 — Oct 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Green Bay to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Green Bay to Heathrow
Cheapest
Best
Last-minute
Cheapest flights from Green Bay to HeathrowExplore 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 September 22, 2026.
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 September 22, 2026.
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:30 am -
1 stop20h 20m
Wed 11/186:30 am -
2 stops21h 59m
Deal found 9/21![Delta logo]()
$746
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am -
1 stop20h 20m
Thu 11/1210:00 am -
2 stops18h 29m
Deal found 9/21![Delta logo]()
$796
This Air France deal was found by Cheapflights users on 9/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:29 pm -
1 stop12h 36m
Thu 11/128:55 am -
1 stop19h 34m
Deal found 9/21![Multiple Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 9/19. 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.
Mon 10/124:51 pm -
1 stop14h 14m
Mon 10/198:05 pm -
2 stops20h 19m
Deal found 9/19![Delta logo]()
$808
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 11/75:30 am -
1 stop20h 20m
Sat 11/148:40 am -
2 stops17h 55m
Deal found 9/19![Delta logo]()
$846
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 10/245:30 am -
1 stop19h 45m
Sat 10/316:20 am -
2 stops20h 57m
Deal found 9/19![Delta logo]()
$847
This Virgin Atlantic deal was found by Cheapflights users on 9/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
1 stop21h 20m
Sat 10/319:50 am -
1 stop16h 53m
Deal found 9/19![Virgin Atlantic logo]()
$854
Best flights from Green Bay to HeathrowDiscover carefully curated flight deals from Green Bay to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Green Bay to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
2 stops18h 05m
Wed 11/186:20 am -
2 stops22h 09m
Deal found 9/21![Delta logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/41:37 pm -
2 stops14h 48m
Wed 11/116:50 am -
2 stops18h 20m
Deal found 9/19![United Airlines logo]()
$869
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops18h 05m
Thu 11/128:40 am -
2 stops19h 24m
Deal found 9/21![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 9/19. 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.
Mon 10/124:51 pm -
1 stop14h 14m
Mon 10/198:05 pm -
2 stops20h 19m
Deal found 9/19![Delta logo]()
$808
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/101:17 pm -
1 stop13h 13m
Sat 10/173:30 pm -
2 stops34h 18m
Deal found 9/19![United Airlines logo]()
$1,061
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Mon 11/165:55 pm -
1 stop12h 05m
Wed 11/186:50 am -
2 stops21h 48m
Deal found 9/22![United Airlines logo]()
$1,952
Last-minute flights from Green Bay to HeathrowDiscover last-minute flight deals from Green Bay to Heathrow. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Heathrow. Data last updated September 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:45 pm -
2 stops43h 20m
Sat 10/175:50 pm -
2 stops35h 29m
Deal found 9/19![Lufthansa logo]()
$884
This Delta deal was found by Cheapflights users on 9/19. 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.
Mon 10/124:51 pm -
1 stop14h 14m
Mon 10/198:05 pm -
2 stops20h 19m
Deal found 9/19![Delta logo]()
$808
This FlightHub deal was found by Cheapflights users on 9/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:04 pm -
2 stops37h 41m
Mon 10/196:15 pm -
2 stops35h 57m
Deal found 9/19![British Airways logo]()
$932
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:45 pm -
2 stops23h 00m
Sat 10/246:30 am -
2 stops22h 47m
Deal found 9/19![Lufthansa logo]()
$943
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 10/175:30 am -
1 stop19h 45m
Sat 10/249:20 am -
1 stop18h 57m
Deal found 9/19![Delta logo]()
$1,004
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 10/245:30 am -
1 stop19h 45m
Sat 10/316:20 am -
2 stops20h 57m
Deal found 9/19![Delta logo]()
$847
This Virgin Atlantic deal was found by Cheapflights users on 9/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
1 stop21h 20m
Sat 10/319:50 am -
1 stop16h 53m
Deal found 9/19![Virgin Atlantic logo]()
$854
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/315:55 pm -
2 stops33h 35m
Sat 11/711:05 am -
2 stops35h 47m
Deal found 9/19![United Airlines logo]()
$945
This Virgin Atlantic deal was found by Cheapflights users on 9/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:04 am -
2 stops15h 16m
Sat 11/711:20 am -
1 stop15h 41m
Deal found 9/19![Virgin Atlantic logo]()
$1,009
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 September 22, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $746 (Delta) |
Popular in | November |
Cheapest in | April |
Average price | $895 |
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 7,457,451 searches. Data last updated September 22, 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
Cheapest round-trip
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Wed 11/11
7:00 am-7:05 am
2 stops18h 05m
London Heathrow
Wed 11/18
6:20 am-10:29 pm
2 stops22h 09m
$751
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Thu 11/5
7:00 am-7:05 am
2 stops18h 05m
London Heathrow
Thu 11/12
8:40 am-10:04 pm
2 stops19h 24m
$801
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Mon 10/12
4:51 pm-1:05 pm
1 stop14h 14m
London Heathrow
Mon 10/19
8:05 pm-10:24 am
2 stops20h 19m
$808
Quickest round-trip
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Wed 11/4
1:37 pm-10:25 am
2 stops14h 48m
London Heathrow
Wed 11/11
6:50 am-7:10 pm
2 stops18h 20m
$869
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Sat 10/10
1:17 pm-8:30 am
1 stop13h 13m
London Heathrow
Sat 10/17
3:30 pm-7:48 pm
2 stops34h 18m
$1,061
Green BayLondon
GRB Green Bay Austin-Straubel - LHR London Heathrow
GRBLHR
Green Bay Austin-Straubel
Mon 11/16
5:55 pm-12:00 pm
1 stop12h 05m
London Heathrow
Wed 11/18
6:50 am-10:38 pm
2 stops21h 48m
$1,952
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Green Bay-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Green Bay-London Heathrow Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
GRB-LHR
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.
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 September 22, 2026.
See what other customers who have flown with United Airlines,American Airlines, andBritish 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.
Crew
8.1
Food
6.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Green Bay
Popular flights
Alternative routes for Green Bay to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Green Bay to Heathrow by cabin class
Find flights from Green Bay to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
Green Bay and Heathrow flights
Browse other Green Bay and Heathrow flight options. Last updated on September 22, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$676 | Average$1,018 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$754 | Average$911 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$767 | Average$920 | FlexibilityNo cancel fee | On-time69% |