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Cheap flights from Green Bay (GRB) to Heathrow (LHR) from $773

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 9/18. 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.
GRB — LHR
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 May 16, 2024.

Popular in

July

Cheapest in

February

Average price

$1,256

Round-trip from

$643
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 34% potential price drop
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Average for round-trip flights in May 2024
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From Green Bay Austin-Straubel to London Heathrow
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What is the cheapest day to fly round-trip from Green Bay to London Heathrow Airport?

Saturday flights are found to be more expensive to fly from Green Bay to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

Our data shows that February tends to be the cheapest month to fly to London Heathrow Airport from Green Bay. Users have commonly found prices around $869 for the month, but tickets can be as low as $628. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Green Bay to London Heathrow Airport (GRB - LHR)?

It’s optimal to fly from Green Bay to London Heathrow Airport in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

Cheap United Airlines flights from Green Bay to Heathrow

Explore cheap flight options specifically provided by United Airlines for the route between Green Bay and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider these cheap United Airlines flights we've found departing from Green Bay to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 9/1810:51 amGRB - LHR
1 stop15h 39mUnited Airlines
Mon 9/301:30 pmLHR - GRB
2 stops33h 11mUnited Airlines
Deal found 5/15$773
Thu 9/268:25 amGRB - LHR
1 stop21h 20mUnited Airlines
Thu 10/36:50 amLHR - GRB
2 stops14h 12mUnited Airlines
Deal found 5/15$791
Thu 9/268:25 amGRB - LHR
2 stops16h 20mUnited Airlines
Thu 10/36:50 amLHR - GRB
2 stops14h 12mUnited Airlines
Deal found 5/15$795
Fri 6/216:18 amGRB - LHR
1 stop23h 27mUnited Airlines
Tue 6/258:30 amLHR - GRB
1 stop12h 36mUnited Airlines
Deal found 5/15$1,034
Fri 6/215:25 pmGRB - LHR
1 stop12h 20mUnited Airlines
Tue 6/259:30 amLHR - GRB
2 stops13h 17mUnited Airlines
Deal found 5/15$1,305
Thu 6/1310:52 amGRB - LHR
1 stop13h 03mUnited Airlines
Thu 6/203:20 pmLHR - GRB
1 stop31h 27mUnited Airlines
Deal found 5/14$4,263

Cheap KLM flights from Green Bay to Heathrow

Explore cheap flight options specifically provided by KLM for the route between Green Bay and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the lowest-priced KLM flights we've found at this time heading from Green Bay to London. Deals frequently update to provide users with more options.
Thu 9/265:45 amGRB - LHR
1 stop18h 40mKLM
Thu 10/312:10 pmLHR - GRB
1 stop14h 26mKLM
Deal found 5/15$799
Wed 9/1812:00 pmGRB - LHR
1 stop13h 15mKLM
Mon 9/301:55 pmLHR - GRB
1 stop14h 00mKLM
Deal found 5/15$802
Fri 10/45:45 amGRB - LHR
1 stop18h 40mKLM
Mon 10/71:55 pmLHR - GRB
1 stop14h 00mKLM
Deal found 5/15$1,099
Mon 10/75:45 amGRB - LHR
1 stop18h 40mKLM
Fri 10/116:30 amLHR - GRB
2 stops15h 00mKLM
Deal found 5/15$8,688
Sat 10/512:00 pmGRB - LHR
2 stops13h 40mKLM
Fri 10/116:30 amLHR - GRB
2 stops15h 00mKLM
Deal found 5/15$8,717

Cheap Green Bay to Heathrow flights in May & June 2024

Find cheap flight options from Green Bay to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from Green Bay to London in 2024. Check back soon for alternative fares.
Sun 5/196:36 pmGRB - LHR
1 stop12h 09mBritish Airways
Sun 5/262:45 pmLHR - GRB
1 stop12h 58mBritish Airways
Deal found 5/15$805
Sun 5/196:36 pmGRB - LHR
1 stop12h 09mAmerican Airlines
Sun 5/269:15 amLHR - GRB
2 stops18h 28mAmerican Airlines
Deal found 5/15$808
Sat 5/186:36 pmGRB - LHR
1 stop21h 34mBritish Airways
Sun 5/262:45 pmLHR - GRB
1 stop12h 58mBritish Airways
Deal found 5/15$810
Sat 5/186:36 pmGRB - LHR
1 stop21h 34mAmerican Airlines
Sun 5/269:15 amLHR - GRB
2 stops18h 28mAmerican Airlines
Deal found 5/14$813
Sat 5/185:19 amGRB - LHR
1 stop20h 31mDelta
Sat 5/2511:30 amLHR - GRB
2 stops15h 54mDelta
Deal found 5/15$849
Sat 5/187:00 amGRB - LHR
2 stops19h 05mDelta
Sat 5/2511:30 amLHR - GRB
2 stops15h 54mDelta
Deal found 5/15$853
Sat 5/186:30 amGRB - LHR
2 stops21h 30mUnited Airlines
Sat 5/258:30 amLHR - GRB
1 stop18h 32mUnited Airlines
Deal found 5/16$855
Sat 5/1811:32 amGRB - LHR
2 stops15h 03mAmerican Airlines
Sun 5/269:15 amLHR - GRB
2 stops18h 28mAmerican Airlines
Deal found 5/15$858
Sat 5/183:45 pmGRB - LHR
2 stops12h 55mUnited Airlines
Sun 5/261:05 pmLHR - GRB
1 stop13h 57mUnited Airlines
Deal found 5/15$960

Green Bay to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Green Bay and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from Green Bay to London in 2024. Check back soon for alternative fares.
Wed 9/1810:51 amGRB - LHR
1 stop15h 39mUnited Airlines
Mon 9/301:30 pmLHR - GRB
2 stops33h 11mUnited Airlines
Deal found 5/15$773
Thu 9/268:25 amGRB - LHR
1 stop21h 20mUnited Airlines
Thu 10/36:50 amLHR - GRB
2 stops14h 12mUnited Airlines
Deal found 5/15$791
Thu 9/268:25 amGRB - LHR
2 stops16h 20mUnited Airlines
Thu 10/36:50 amLHR - GRB
2 stops14h 12mUnited Airlines
Deal found 5/15$795
Thu 9/265:45 amGRB - LHR
1 stop18h 40mKLM
Thu 10/312:10 pmLHR - GRB
1 stop14h 26mKLM
Deal found 5/15$799
Wed 9/1812:00 pmGRB - LHR
1 stop13h 15mKLM
Mon 9/301:55 pmLHR - GRB
1 stop14h 00mKLM
Deal found 5/15$802
Sun 5/196:36 pmGRB - LHR
1 stop12h 09mBritish Airways
Sun 5/262:45 pmLHR - GRB
1 stop12h 58mBritish Airways
Deal found 5/15$805
Sun 5/196:36 pmGRB - LHR
1 stop12h 09mAmerican Airlines
Sun 5/269:15 amLHR - GRB
2 stops18h 28mAmerican Airlines
Deal found 5/15$808
Sat 5/186:36 pmGRB - LHR
1 stop21h 34mBritish Airways
Sun 5/262:45 pmLHR - GRB
1 stop12h 58mBritish Airways
Deal found 5/15$810
Sat 5/186:36 pmGRB - LHR
1 stop21h 34mAmerican Airlines
Sun 5/269:15 amLHR - GRB
2 stops18h 28mAmerican Airlines
Deal found 5/14$813

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$773 - $1,541

Route

Depart

Return

Price

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/18

1 stop15h 39m

London Heathrow

Mon 9/30

2 stops33h 11m

$773

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 9/26

1 stop21h 20m

London Heathrow

Thu 10/3

2 stops14h 12m

$791

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 9/26

2 stops16h 20m

London Heathrow

Thu 10/3

2 stops14h 12m

$795

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 9/26

1 stop18h 40m

London Heathrow

Thu 10/3

1 stop14h 26m

$799

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/18

1 stop13h 15m

London Heathrow

Mon 9/30

1 stop14h 00m

$802

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 6/7

1 stop9h 59m

London Heathrow

Tue 6/11

1 stop19h 29m

$805

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 6/7

2 stops14h 07m

London Heathrow

Tue 6/11

2 stops18h 24m

$808

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Thu 7/18

1 stop13h 33m

London Heathrow

Fri 7/26

1 stop13h 48m

$878

Green Bay Austin-StraubelLondon Heathrow

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Fri 6/7

2 stops17h 15m

London Heathrow

Tue 6/11

3 stops19h 47m

$1,541

Flights are sorted by cheapest first

Deals found on 5/15

When is the cheapest time to fly from Green Bay to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Green Bay to Heathrow. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Green Bay to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Heathrow by month

Plan your trip from Green Bay to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Green Bay to Heathrow is currently $0 while a round-trip flight costs $888. Price data was last updated on May 12, 2024.

Currently, November is the cheapest month in which you can book a flight from Green Bay to London Heathrow Airport (average of $653). Flying from Green Bay to London Heathrow Airport in June is currently the most expensive (average of $1,150). 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.

January

$673

February

$662

March

$715

April

$692

May

$733

June

$1,150

July

$976

August

$775

September

$745

October

$708

November

$653

December

$672

Temperature and rainfall in Heathrow by month

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

LON

Temperature

39.2 - 62.6 °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 May 16, 2024.
To help decide which airline to fly from Green Bay to London, see what other customers have to say about United Airlines, KLM and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,568 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.6
Good
1,764 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

WestJet
7.5
Good
2,919 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines
7.4
Good
10,924 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

American Airlines
7.3
Good
14,514 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 4 airlines. Green Bay Austin-Straubel is conveniently located just 5.9 mi from Green Bay’s city center.

  • Can I find flights from Green Bay to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Green Bay to London Heathrow Airport for under $800. The cheapest flight booked recently is on United Airlines for just $773, but on average you can expect to pay $1,715.

  • 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 $773. Other airlines that can offer you cheap pricing are KLM, from $799, and American Airlines, from $805. 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 most popular airlines that fly from Green Bay to London Heathrow Airport?

    The most popular airlines flying from Green Bay to London Heathrow Airport are American Airlines, British Airways and United Airlines. Something to consider prior to booking your flight.

  • What does GRB to LHR mean?

    Green Bay Austin-Straubel Airport is GRB and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Green Bay to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Green Bay to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Green Bay to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Green Bay to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Green Bay to Heathrow that allow pets onboard?

    Many airlines flying from Green Bay to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Green Bay to Heathrow?

    Yes, you can often find last-minute deals on Green Bay to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Green Bay to London Heathrow Airport flight deals updated?

    The Green Bay to London Heathrow Airport flight deals you see on this page were last updated on 5/15.

See more FAQs

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Alternative routes for Green Bay to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Green Bay to Heathrow

Discover the top 4 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$632Average$787FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest$641Average$919FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest$718Average$1,243FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$719Average$939FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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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.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Green Bay to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Green Bay today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Green Bay to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Green Bay to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Green Bay to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Green Bay to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Green Bay to Heathrow become cheaper?

Yes! Start tracking prices for Green Bay to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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