$363 Cheap Flights from Green Bay (GRB) to Lisbon (LIS)

View $363 flight on Mon, Oct 26, 2026Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Humberto Delgado Airport (LIS)

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Cheap Flights from Green Bay to Lisbon (GRB-LIS)

Prices were available within the past 7 days and start at $363 for one-way flights and $756 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$756 Roundtrip, found 3 days ago
$756
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $756 found 3 days ago
Virgin Atlantic
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$767 Roundtrip, found 3 days ago
$767
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $767 found 3 days ago
Lufthansa
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$796 Roundtrip, found 3 days ago
$796
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $796 found 3 days ago
Lufthansa
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$798 Roundtrip, found 3 days ago
$798
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $798 found 3 days ago
Virgin Atlantic
Thu, Nov 19 - Thu, Nov 26
GRB
Green Bay
LIS
Lisbon
$801 Roundtrip, found 6 days ago
$801
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Thu, Nov 19 from Green Bay to Lisbon, returning Thu, Nov 26, priced at $801 found 6 days ago
Iberia
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$801 Roundtrip, found 3 days ago
$801
Roundtrip
found 3 days ago
Select Iberia flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $801 found 3 days ago
Lufthansa
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$808 Roundtrip, found 3 days ago
$808
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $808 found 3 days ago
Lufthansa
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$810 Roundtrip, found 3 days ago
$810
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $810 found 3 days ago
British Airways
Mon, Oct 26 - Wed, Nov 4
GRB
Green Bay
LIS
Lisbon
$818 Roundtrip, found 3 days ago
$818
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Oct 26 from Green Bay to Lisbon, returning Wed, Nov 4, priced at $818 found 3 days ago
Delta
Wed, Jul 29 - Thu, Aug 6
GRB
Green Bay
LIS
Lisbon
$997 Roundtrip, found 4 days ago
$997
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jul 29 from Green Bay to Lisbon, returning Thu, Aug 6, priced at $997 found 4 days ago

Frequently asked questions

How much does a flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights and cheap return flights from $756 Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) with Expedia. One-way flights typically cost between $638 and $1975. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
The cheapest month to fly from GRB to LIS is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
Enter GRB to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
United, Lufthansa and British Airways are just some of the carriers that fly from Green Bay, WI (GRB) to Lisbon (LIS). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) typically departs at around 5:30 AM, operated by Delta. This is a seasonal service active in June and December, allowing you to start your journey early and make the most of your time in Lisbon. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Green Bay (GRB) to Lisbon (LIS) are in the late evening, from 6pm to 9pm. About 40% of passengers prefer this time window. American Airlines, Iberia and British Airways operate flights during this time, allowing you to enjoy your day in Green Bay before heading to Lisbon.
How long does it take to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
A flight from GRB to LIS with a layover takes around 11 hours, with the route covering approximately 3,937 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
Business class seats are offered on the GRB to LIS route with American Airlines and Delta Air Lines.
How do I earn miles on a Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon from Austin Straubel Intl. (GRB)?
From Austin Straubel Intl. (GRB), you can fly into Humberto Delgado (LIS) to reach Lisbon. Some flights may connect through major hubs like O'Hare Intl. (ORD), Detroit Metropolitan Wayne County (DTW), Minneapolis - St. Paul Intl. (MSP) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado)?
If you booked your Green Bay, WI (GRB-Austin Straubel Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Humberto Delgado
Airlines serving
Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$756
Distance
3936 mi

Book with confidence

Green Bay to Lisbon Flights

The cheapest times to fly from Green Bay to Lisbon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Lisbon are during the month of October. You can find some of the cheapest flights from Green Bay to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Lisbon

Sunday is one of the best days to book for cheap flights from Green Bay to Lisbon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Lisbon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $363 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Lisbon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Lisbon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Green Bay to Lisbon Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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