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Cheap flights from Green Bay to Lisbon from $738

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Lisbon departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Green Bay to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:50 am - 11:20 am
GRB
-
LIS
18h 30m
2 stops
Delta Logo
5:00 am - 3:54 pm
LIS
-
GRB
16h 54m
2 stops
$738Delta
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
6:20 am - 10:30 am
GRB
-
LIS
22h 10m
2 stops
United Airlines Logo
7:25 am - 4:54 pm
LIS
-
GRB
39h 29m
2 stops
$819United Airlines
Sun, Sep 27 - Mon, Oct 5
Multiple Airlines Logo
9:58 am - 10:15 am
GRB
-
LIS
18h 17m
1 stop
Multiple Airlines Logo
11:55 am - 12:12 am
LIS
-
GRB
18h 17m
1 stop
$2,680Multiple Airlines
Sun, Dec 6 - Wed, Dec 9

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Delta flights from Green Bay to Lisbon

Our best Delta deals on Green Bay to Lisbon flight tickets
Delta
Dec 6
GRB10:50 amGreen Bay Austin-Straubel
18h 30m
2 stops
LIS11:20 amLisbon Humberto Delgado
Dec 9
LIS5:00 amLisbon Humberto Delgado
16h 54m
2 stops
GRB3:54 pmGreen Bay Austin-Straubel
$738
Delta
Jul 1
GRB12:05 pmGreen Bay Austin-Straubel
16h 40m
2 stops
LIS10:45 amLisbon Humberto Delgado
Jul 10
LIS5:00 amLisbon Humberto Delgado
21h 30m
2 stops
GRB8:30 pmGreen Bay Austin-Straubel
$1,520
Delta
Jul 1
GRB12:05 pmGreen Bay Austin-Straubel
20h 50m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Jul 13
LIS5:00 amLisbon Humberto Delgado
22h 46m
2 stops
GRB9:46 pmGreen Bay Austin-Straubel
$1,590

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Lisbon 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, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from Green Bay to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Sun 12/6

10:50 am-11:20 am

2 stops18h 30m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-3:54 pm

2 stops16h 54m

$738

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Sun 9/27

6:20 am-10:30 am

2 stops22h 10m

Lisbon Humberto Delgado

Mon 10/5

7:25 am-4:54 pm

2 stops39h 29m

$819

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Sun 12/6

9:58 am-10:15 am

1 stop18h 17m

Lisbon Humberto Delgado

Wed 12/9

11:55 am-12:12 am

1 stop18h 17m

$2,680

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Green Bay to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Lisbon (GRB to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Lisbon

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from Green Bay to Lisbon takes 14h 55m
There are no direct flights from Green Bay to Lisbon. There are no popular flight routes from Green Bay to Lisbon.
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Frequently asked questions about flying from Green Bay to Lisbon

  • How far is Green Bay Austin-Straubel to Lisbon Humberto Delgado by plane?

    A flight from Green Bay Austin-Straubel to Lisbon Humberto Delgado will travel around 3930.1 mi. A reasonable flight in good conditions will take 14h 55m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Lisbon Humberto Delgado Airport are updated daily.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Green Bay to Lisbon?

Best airlines flying from Green Bay to Lisbon

Compare and see reviews for airlines that fly from Green Bay to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights

Frequently asked questions about flying from Green Bay to Lisbon

  • How do I get Price Alerts for flights from Green Bay to Lisbon?

    Price Alerts will notify you by email when the price for flights to Lisbon from Green Bay decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Green Bay to Lisbon with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Setúbal
Figueira da Foz
Estoril
Peniche
Evora
Oeiras
Leiria
Batalha
Óbidos
Sesimbra
Zambujeira do Mar
Costa da Caparica
Tomar
Sines
Torres Vedras
Comporta

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Green Bay.

Can I find flights from Green Bay to Lisbon with flexible booking policies on momondo?

All flight searches from Green Bay to Lisbon on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Green Bay to Lisbon?

Once all potential Green Bay to Lisbon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to Lisbon right now. Can momondo alert me if prices change?

Price alerts on flights to Lisbon from Green Bay are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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