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$522+ Cheap flights from Green Bay (GRB) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$766
(oojo)

One-way from

$522
(oojo)

Popular in

June

Cheapest in

April

Average price

$1,275
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
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One-way flight from Green Bay Austin-Straubel to London Heathrow
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Highest demand for flights based on searches. 15% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/511:24 amGRB - LHR
1 stop13h 56mBritish Airways
Sat 4/129:15 amLHR - GRB
1 stop12h 11mBritish Airways
Deal found 2/19$766
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/53:45 pmGRB - LHR
2 stops12h 15mUnited Airlines
Sat 4/1212:40 pmLHR - GRB
2 stops34h 10mUnited Airlines
Deal found 2/19$780
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:28 amGRB - LHR
2 stops12h 27mAmerican Airlines
Fri 11/2811:00 amLHR - GRB
1 stop16h 31mAmerican Airlines
Deal found 2/19$913
This Delta deal was found by Cheapflights users on 2/19. 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 6/165:30 amGRB - LHR
1 stop19h 45mDelta
Fri 7/411:45 amLHR - GRB
2 stops15h 40mDelta
Deal found 2/19$1,360
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/85:25 pmGRB - LHR
2 stops17h 20mMultiple Airlines
Wed 3/126:00 amLHR - GRB
3 stops19h 26mMultiple Airlines
Deal found 2/19$3,112
This KLM deal was found by Cheapflights users on 2/18. 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.
Thu 3/205:40 amGRB - LHR
1 stop21h 15mKLM
Thu 3/279:10 amLHR - GRB
1 stop12h 58mKLM
Deal found 2/18$5,943

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 February 20, 2025.

Fly from

Green Bay

Fly to

Heathrow

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 4/5

11:24 am-7:20 am

1 stop13h 56m

London Heathrow

Sat 4/12

9:15 am-3:26 pm

1 stop12h 11m

$766

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 4/5

3:45 pm-10:00 am

2 stops12h 15m

London Heathrow

Sat 4/12

12:40 pm-4:50 pm

2 stops34h 10m

$780

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Mon 6/16

5:30 am-7:15 am

1 stop19h 45m

London Heathrow

Fri 7/4

11:45 am-9:25 pm

2 stops15h 40m

$1,360

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sat 3/8

5:25 pm-4:45 pm

2 stops17h 20m

London Heathrow

Wed 3/12

6:00 am-8:26 pm

3 stops19h 26m

$3,112

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 3/20

5:40 am-7:55 am

1 stop21h 15m

London Heathrow

Thu 3/27

9:10 am-5:08 pm

1 stop12h 58m

$5,943

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 8/10

11:31 am-7:25 am

1 stop13h 54m

$522

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 8/10

10:46 am-5:55 am

2 stops13h 09m

$529

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 6/11

11:00 am-12:05 pm

2 stops19h 05m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

  • 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 $1,136). 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $766. Other airlines that can offer you cheap pricing are United Airlines, from $780, and Delta, from $1,360. You may be able to fly from Green Bay to London Heathrow Airport for 28% 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 British Airways, with whom users have recently found tickets for as low as $522. However, be on the lookout for offers from United Airlines and WestJet, 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 $1,136). 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
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Alternative routes for Green Bay to Heathrow

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$670Average$875FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$718Average$1,080FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$733Average$1,033FlexibilityNo cancel feeOn-time71%
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