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$446+ Cheap flights from Green Bay (GRB) to the United Kingdom

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Green Bay to United Kingdom

Keep the following information in mind while searching for Green Bay to United Kingdom flight deals. Data was last updated September 11, 2025.

Round-trip from

$624
(Delta)

One-way from

$446

Popular in

June

Cheapest in

August

Average price

$823
From Green Bay Austin-Straubel to United Kingdom
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One-way flight from Green Bay Austin-Straubel to United Kingdom
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Highest demand for flights based on searches. 21% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Green Bay to United Kingdom

Cheapest flights from Green Bay to United Kingdom
Explore the most affordable flight options available from Green Bay to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 9/245:34 amGRB - LHR
1 stop19h 41mDelta
Fri 10/36:30 amLHR - GRB
2 stops15h 41mDelta
Deal found 9/9$623
This KLM deal was found by Cheapflights users on 9/11. 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 9/245:01 pmGRB - LHR
1 stop9h 54mKLM
Tue 9/303:15 pmLHR - GRB
1 stop13h 45mKLM
Deal found 9/11$631
This Delta deal was found by Cheapflights users on 9/9. 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 9/245:01 pmGRB - LHR
1 stop9h 54mDelta
Tue 9/308:25 pmLHR - GRB
2 stops20h 01mDelta
Deal found 9/9$634
This Netflights deal was found by Cheapflights users on 9/9. 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.
Fri 11/285:15 amGRB - LHR
1 stop20h 35mVirgin Atlantic
Thu 12/410:45 amLHR - GRB
1 stop17h 53mVirgin Atlantic
Deal found 9/9$647
This KLM deal was found by Cheapflights users on 9/10. 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.
Fri 11/285:15 amGRB - LHR
1 stop21h 45mKLM
Thu 12/48:55 amLHR - GRB
1 stop19h 43mKLM
Deal found 9/10$673
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/217:00 amGRB - LHR
2 stops19h 50mDelta
Mon 11/36:20 amLHR - GRB
2 stops20h 17mDelta
Deal found 9/9$677
This KLM deal was found by Cheapflights users on 9/9. 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.
Tue 10/214:16 pmGRB - LHR
1 stop14h 54mKLM
Mon 11/312:30 pmLHR - GRB
1 stop16h 22mKLM
Deal found 9/9$680
This Delta deal was found by Cheapflights users on 9/9. 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 11/197:00 amGRB - MAN
2 stops17h 40mDelta
Sun 11/2310:25 amMAN - GRB
2 stops18h 13mDelta
Deal found 9/9$709
This Delta deal was found by Cheapflights users on 9/10. 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 11/126:20 amGRB - MAN
2 stops27h 45mDelta
Sun 11/169:05 amMAN - GRB
1 stop19h 33mDelta
Deal found 9/10$724
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/263:02 pmGRB - MAN
2 stops14h 53mAmerican Airlines
Sun 11/29:40 amMAN - GRB
2 stops15h 42mAmerican Airlines
Deal found 9/10$727
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/265:30 amGRB - MAN
1 stop20h 00mDelta
Sun 11/29:05 amMAN - GRB
1 stop20h 39mDelta
Deal found 9/10$745
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 11/1412:13 pmGRB - BHX
2 stops15h 17mDelta
Tue 11/186:00 amBHX - GRB
2 stops20h 39mDelta
Deal found 9/8$751

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to United Kingdom 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 September 11, 2025.
Use the filters below to find and compare flights from Green Bay to the United Kingdom that are best for you.

Fly from

Green Bay

Fly to

United Kingdom

Route

Depart

Return

Price

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:34 am-7:15 am

1 stop19h 41m

London Heathrow

Fri 10/3

6:30 am-4:11 pm

2 stops15h 41m

$623

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:01 pm-8:55 am

1 stop9h 54m

London Heathrow

Tue 9/30

11:20 am-11:00 pm

1 stop17h 40m

$629

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:01 pm-8:55 am

1 stop9h 54m

London Heathrow

Tue 9/30

3:15 pm-11:00 pm

1 stop13h 45m

$631

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 9/24

5:34 am-6:45 am

1 stop19h 11m

London Heathrow

Fri 10/3

11:45 am-8:34 pm

1 stop14h 49m

$631

Green BayManchester

GRB - MAN

GRBMAN

Green Bay Austin-Straubel

Wed 11/19

7:00 am-6:40 am

2 stops17h 40m

Manchester

Sun 11/23

10:25 am-10:38 pm

2 stops18h 13m

$709

Green BayManchester

GRB - MAN

GRBMAN

Green Bay Austin-Straubel

Wed 11/12

6:20 am-4:05 pm

2 stops27h 45m

Manchester

Sun 11/16

9:05 am-10:38 pm

1 stop19h 33m

$724

Green BayManchester

GRB - MAN

GRBMAN

Green Bay Austin-Straubel

Sun 10/26

3:02 pm-10:55 am

2 stops14h 53m

Manchester

Sun 11/2

9:40 am-7:22 pm

2 stops15h 42m

$727

Green BayManchester

GRB - MAN

GRBMAN

Green Bay Austin-Straubel

Sun 10/26

5:30 am-6:30 am

1 stop20h 00m

Manchester

Sun 11/2

9:05 am-11:44 pm

1 stop20h 39m

$745

Green BayBirmingham

GRB - BHX

GRBBHX

Green Bay Austin-Straubel

Fri 11/14

12:13 pm-9:30 am

2 stops15h 17m

Birmingham

Tue 11/18

6:00 am-8:39 pm

2 stops20h 39m

$751

Green BayLondon

GRB - LCY

GRBLCY

Green Bay Austin-Straubel

Sun 2/1

10:44 am-12:50 pm

2 stops20h 06m

London City

Sat 2/28

12:20 pm-4:43 pm

2 stops34h 23m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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Best time to book a flight from Green Bay to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest month to book a flight from Green Bay to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Green Bay to United Kingdom (average of $661). Flying from Green Bay to United Kingdom in June is currently the most expensive (average of $1,098). 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.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from Green Bay to the United Kingdom 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
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Green Bay to United Kingdom. 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 United Kingdom?

    Green Bay Austin-Straubel (GRB), located 5.9 mi from the city center, is the airport you fly out of when you book flights from Green Bay to United Kingdom.

  • How long is the flight from Green Bay to United Kingdom?

    Delta and American Airlines can get you from Green Bay to United Kingdom in just under 14h 53m. Your travel time can differ by up to 4h 48m. The distance between Green Bay and United Kingdom is about 3703 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Green Bay to United Kingdom?

    The most popular route from Green Bay to United Kingdom is Green Bay Austin-Straubel - London Heathrow. You may also consider Green Bay Austin-Straubel - London City or Green Bay Austin-Straubel - Manchester.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Green Bay to United Kingdom (average of $661). Flying from Green Bay to United Kingdom in June is currently the most expensive (average of $1,098). 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

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Alternative routes for Green Bay to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Green Bay to United Kingdom

Discover the top 3 airlines that operate flights from Green Bay to United Kingdom. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$818FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$701Average$969FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$701Average$1,401FlexibilityNo cancel feeOn-time71%

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