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Cheap flights from Green Bay to Portugal from $606

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 Portugal departing on 12/10. 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 Portugal

Cheap round-trip flights

United Airlines Logo
3:51 pm - 10:15 amGRB-LIS
12h 24m2 stops
United Airlines Logo
11:20 am - 3:07 pmLIS-GRB
33h 47m2 stops
$606United Airlines
Find Deal
mié., dic. 10 - mar., dic. 23
Air France Logo
11:00 am - 8:00 amGRB-LIS
15h 00m2 stops
Air France Logo
11:15 am - 8:38 pmLIS-GRB
15h 23m2 stops
$614Air France
Find Deal
mié., dic. 10 - mar., dic. 23
Logo
4:16 pm - 10:45 amGRB-LIS
12h 29m2 stops
Logo
3:30 pm - 4:34 pmLIS-GRB
31h 04m2 stops
$619
Find Deal
lun., oct. 20 - lun., nov. 3
United Airlines Logo
5:22 pm - 8:10 amGRB-LIS
32h 48m2 stops
United Airlines Logo
5:00 am - 4:46 pmLIS-GRB
41h 46m2 stops
$653United Airlines
Find Deal
lun., nov. 10 - lun., nov. 17
Delta Logo
7:00 am - 8:00 amGRB-LIS
19h 00m2 stops
Delta Logo
5:30 am - 9:33 pmLIS-GRB
22h 03m2 stops
$664Delta
Find Deal
mié., nov. 12 - dom., nov. 16
Delta Logo
7:00 am - 8:00 amGRB-LIS
19h 00m2 stops
Delta Logo
5:30 am - 10:38 pmLIS-GRB
47h 08m2 stops
$680Delta
Find Deal
mié., nov. 12 - dom., nov. 16
American Airlines Logo
10:45 am - 9:05 amGRB-LIS
16h 20m1 stop
American Airlines Logo
10:35 am - 11:28 pmLIS-GRB
18h 53m2 stops
$700American Airlines
Find Deal
lun., nov. 10 - lun., nov. 17
British Airways Logo
3:09 pm - 6:55 pmGRB-LIS
21h 46m2 stops
British Airways Logo
6:35 pm - 7:22 pmLIS-GRB
30h 47m2 stops
$711British Airways
Find Deal
lun., nov. 10 - lun., nov. 17
American Airlines Logo
10:45 am - 9:05 amGRB-LIS
16h 20m1 stop
American Airlines Logo
7:05 am - 7:22 pmLIS-GRB
18h 17m2 stops
$835American Airlines
Find Deal
lun., nov. 10 - lun., nov. 17
British Airways Logo
3:02 pm - 3:35 pmGRB-LIS
18h 33m2 stops
British Airways Logo
6:35 am - 7:38 pmLIS-GRB
19h 03m2 stops
$928British Airways
Find Deal
vie., oct. 10 - vie., oct. 17

Delta flights from Green Bay to Portugal

Our best Delta deals on Green Bay to Portugal flight tickets
Delta
Nov 12
GRB7:00 amGreen Bay Austin-Straubel
19h 00m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 16
LIS5:30 amLisbon Humberto Delgado
22h 03m
2 stops
GRB9:33 pmGreen Bay Austin-Straubel
$664
Find similar
Delta
Nov 12
GRB7:00 amGreen Bay Austin-Straubel
19h 00m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 16
LIS5:30 amLisbon Humberto Delgado
47h 08m
2 stops
GRB10:38 pmGreen Bay Austin-Straubel
$680
Find similar
Delta
Nov 12
GRB7:00 amGreen Bay Austin-Straubel
25h 35m
2 stops
LIS2:35 pmLisbon Humberto Delgado
Nov 16
LIS5:30 amLisbon Humberto Delgado
22h 03m
2 stops
GRB9:33 pmGreen Bay Austin-Straubel
$698
Find similar

British Airways flights from Green Bay to Portugal

Our best British Airways deals on Green Bay to Portugal flight tickets
British Airways
Nov 10
GRB3:09 pmGreen Bay Austin-Straubel
21h 46m
2 stops
LIS6:55 pmLisbon Humberto Delgado
Nov 17
LIS6:35 pmLisbon Humberto Delgado
30h 47m
2 stops
GRB7:22 pmGreen Bay Austin-Straubel
$711
Find similar
British Airways
Oct 10
GRB3:02 pmGreen Bay Austin-Straubel
18h 33m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Oct 17
LIS6:35 amLisbon Humberto Delgado
19h 03m
2 stops
GRB7:38 pmGreen Bay Austin-Straubel
$928
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Portugal 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 agosto 28, 2025.
Use the filters below to find and compare flights from Green Bay to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

mié. 12/10

3:51 pm-10:15 am

2 stops12h 24m

Lisbon Humberto Delgado

mar. 12/23

11:20 am-3:07 pm

2 stops33h 47m

$606

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

mié. 12/10

11:00 am-8:00 am

2 stops15h 00m

Lisbon Humberto Delgado

mar. 12/23

11:15 am-8:38 pm

2 stops15h 23m

$614

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

lun. 10/20

4:16 pm-10:45 am

2 stops12h 29m

Lisbon Humberto Delgado

lun. 11/3

3:30 pm-4:34 pm

2 stops31h 04m

$619

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

lun. 11/10

5:22 pm-8:10 am

2 stops32h 48m

Lisbon Humberto Delgado

lun. 11/17

5:00 am-4:46 pm

2 stops41h 46m

$653

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

mié. 11/12

7:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

dom. 11/16

5:30 am-9:33 pm

2 stops22h 03m

$664

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

mié. 11/12

7:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

dom. 11/16

5:30 am-10:38 pm

2 stops47h 08m

$680

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

lun. 11/10

10:45 am-9:05 am

1 stop16h 20m

Lisbon Humberto Delgado

lun. 11/17

10:35 am-11:28 pm

2 stops18h 53m

$700

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

lun. 11/10

3:09 pm-6:55 pm

2 stops21h 46m

Lisbon Humberto Delgado

lun. 11/17

6:35 pm-7:22 pm

2 stops30h 47m

$711

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

lun. 11/10

10:45 am-9:05 am

1 stop16h 20m

Lisbon Humberto Delgado

lun. 11/17

7:05 am-7:22 pm

2 stops18h 17m

$835

Green BayLisbon

GRB - LIS

GRBLIS

Green Bay Austin-Straubel

vie. 10/10

3:02 pm-3:35 pm

2 stops18h 33m

Lisbon Humberto Delgado

vie. 10/17

6:35 am-7:38 pm

2 stops19h 03m

$928

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portugal from

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

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 day to depart on your flight to Portugal?

According to our data, Saturday is the cheapest day to fly to Portugal from Green Bay. The lowest ticket price found for a Saturday departure recently was $724. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $945.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Green Bay to Portugal during this time can be as low as $779. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $797 per ticket.

Cheap Green Bay to Portugal flight deals and tips

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

Direct flights

None
There are no direct flights from Green Bay to Portugal. There are no popular flight routes from Green Bay to Portugal.
Search flight deals

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

    Prices for flights from Green Bay Austin-Straubel Airport to Portugal were last updated today.

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

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

    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 Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Green Bay to Portugal

Compare and see reviews for airlines that fly from Green Bay to Portugal with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $689Free CancellationRating
7.9
7,977 reviews
Search Delta flights

Why use momondo?

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

Finding the right flight to Portugal from Green Bay is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portugal quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Portugal from Green Bay which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from Green Bay.

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

Price alerts on flights to Portugal 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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Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $361
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