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Cheap flights from Green Bay to Lisbon from $1,391

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 9/22. 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
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.
Multiple Airlines Logo
6:29 pm - 3:35 pm
GRB
-
LIS
15h 06m
2 stops
Multiple Airlines Logo
7:20 am - 5:40 pm
LIS
-
GRB
16h 20m
2 stops
$1,391Multiple Airlines
Tue, Sep 22 - Wed, Sep 30
United Airlines Logo
12:34 pm - 1:40 pm
GRB
-
LIS
19h 06m
2 stops
United Airlines Logo
6:15 am - 4:51 pm
LIS
-
GRB
16h 36m
2 stops
$1,482United Airlines
Fri, Jun 19 - Fri, Jun 26
Multiple Airlines Logo
12:59 pm - 8:10 am
GRB
-
LIS
13h 11m
1 stop
Multiple Airlines Logo
12:35 pm - 12:10 am
LIS
-
GRB
17h 35m
1 stop
$2,754Multiple Airlines
Fri, Jun 19 - Fri, Jun 26
British Airways Logo
2:51 pm - 4:25 pm
GRB
-
LIS
19h 34m
2 stops
British Airways Logo
7:10 am - 11:07 pm
LIS
-
GRB
21h 57m
2 stops
$11,292British Airways
Sun, Sep 20 - Sat, Sep 26

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 May 6, 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

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Tue 9/22

6:29 pm-3:35 pm

2 stops15h 06m

Lisbon Humberto Delgado

Wed 9/30

7:20 am-5:40 pm

2 stops16h 20m

$1,391

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Fri 6/19

12:34 pm-1:40 pm

2 stops19h 06m

Lisbon Humberto Delgado

Fri 6/26

6:15 am-4:51 pm

2 stops16h 36m

$1,482
Quickest round-trip

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Fri 6/19

12:59 pm-8:10 am

1 stop13h 11m

Lisbon Humberto Delgado

Fri 6/26

12:35 pm-12:10 am

1 stop17h 35m

$2,754

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Sun 9/20

2:51 pm-4:25 pm

2 stops19h 34m

Lisbon Humberto Delgado

Sat 9/26

7:10 am-11:07 pm

2 stops21h 57m

$11,292
Cheapest one-way
Quickest one-way

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

Mon 9/28

6:29 pm-3:45 pm

2 stops15h 16m

$1,738

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Green Bay to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

In general, June is the cheapest month to fly from Green Bay to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Lisbon during the month of June, then departing from Green Bay during the month January is also very affordable. Most momondo users find prices during this month for around $0.

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

15h 06m

Direct flights

None
The fastest flight from Green Bay to Lisbon takes 15h 06m
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 15h 06m.

  • 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
9,684 reviews
Search United Airlines flights

Traveling to a place near Lisbon?

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

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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