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Cheap flights from Madison to Portugal from $329

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madison to Portugal departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Madison to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:50 pm - 11:25 amMSN-LIS
35h 35m2 stops
United Airlines Logo
5:00 am - 10:38 pmLIS-MSN
22h 38m2 stops
$701United Airlines
Find Deal
Fri, Mar 13 - Thu, Mar 26
United Airlines Logo
2:40 pm - 9:30 amMSN-OPO
13h 50m2 stops
United Airlines Logo
6:00 am - 6:54 pmOPO-MSN
18h 54m2 stops
$727United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
6:50 pm - 8:55 amMSN-LIS
33h 05m2 stops
United Airlines Logo
11:25 am - 3:25 pmLIS-MSN
34h 00m2 stops
$845United Airlines
Find Deal
Fri, Mar 13 - Sun, Mar 29
Lufthansa Logo
2:40 pm - 11:30 amMSN-LIS
15h 50m2 stops
Lufthansa Logo
4:20 pm - 8:54 pmLIS-MSN
34h 34m2 stops
$944Lufthansa
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
5:01 pm - 7:55 amMSN-LIS
9h 54m1 stop
American Airlines Logo
7:00 am - 9:27 pmLIS-MSN
19h 27m2 stops
$1,134American Airlines
Find Deal
Fri, Mar 13 - Thu, Mar 26
Lufthansa Logo
2:40 pm - 11:30 amMSN-LIS
15h 50m2 stops
Lufthansa Logo
10:25 am - 7:56 pmLIS-MSN
15h 31m1 stop
$1,235Lufthansa
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
5:01 pm - 7:55 amMSN-LIS
9h 54m1 stop
American Airlines Logo
11:00 am - 9:29 pmLIS-MSN
16h 29m2 stops
$1,412American Airlines
Find Deal
Fri, Mar 13 - Sun, Mar 29
Multiple Airlines Logo
10:45 am - 9:20 amMSN-LIS
17h 35m3 stops
Multiple Airlines Logo
11:20 am - 10:38 pmLIS-MSN
16h 18m2 stops
$1,687Multiple Airlines
Find Deal
Fri, Mar 13 - Thu, Mar 26
Multiple Airlines Logo
10:45 am - 9:20 amMSN-LIS
17h 35m3 stops
Multiple Airlines Logo
12:50 pm - 9:53 amLIS-MSN
27h 03m2 stops
$1,699Multiple Airlines
Find Deal
Fri, Mar 13 - Sun, Mar 29
Air Canada Logo
10:45 am - 9:20 amMSN-LIS
17h 35m3 stops
Air Canada Logo
8:10 pm - 4:51 pmLIS-MSN
26h 41m3 stops
$2,170Air Canada
Find Deal
Fri, Mar 13 - Sun, Mar 29

Lufthansa flights from Madison to Portugal

Our best Lufthansa deals on Madison to Portugal flight tickets
Lufthansa
Mar 27
MSN2:40 pmMadison Truax Field
15h 50m
2 stops
LIS11:30 amLisbon Humberto Delgado
Mar 31
LIS4:20 pmLisbon Humberto Delgado
34h 34m
2 stops
MSN8:54 pmMadison Truax Field
$944
Find similar
Lufthansa
Mar 27
MSN2:40 pmMadison Truax Field
15h 50m
2 stops
LIS11:30 amLisbon Humberto Delgado
Mar 31
LIS10:25 amLisbon Humberto Delgado
15h 31m
1 stop
MSN7:56 pmMadison Truax Field
$1,235
Find similar
Lufthansa
Mar 27
MSN2:40 pmMadison Truax Field
15h 50m
2 stops
LIS11:30 amLisbon Humberto Delgado
Mar 31
LIS10:25 amLisbon Humberto Delgado
15h 31m
1 stop
MSN7:56 pmMadison Truax Field
$1,236
Find similar

United Airlines flights from Madison to Portugal

Our best United Airlines deals on Madison to Portugal flight tickets
United Airlines
Mar 13
MSN6:50 pmMadison Truax Field
35h 35m
2 stops
LIS11:25 amLisbon Humberto Delgado
Mar 26
LIS5:00 amLisbon Humberto Delgado
22h 38m
2 stops
MSN10:38 pmMadison Truax Field
$701
Find similar
United Airlines
Mar 27
MSN2:40 pmMadison Truax Field
13h 50m
2 stops
OPO9:30 amPorto
Mar 31
OPO6:00 amPorto
18h 54m
2 stops
MSN6:54 pmMadison Truax Field
$727
Find similar
United Airlines
Mar 13
MSN6:50 pmMadison Truax Field
33h 05m
2 stops
LIS8:55 amLisbon Humberto Delgado
Mar 29
LIS11:25 amLisbon Humberto Delgado
34h 00m
2 stops
MSN3:25 pmMadison Truax Field
$845
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Madison 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 November 5, 2025.
Use the filters below to find and compare flights from Madison to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

6:50 pm-11:25 am

2 stops35h 35m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-10:38 pm

2 stops22h 38m

$701

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 3/27

2:40 pm-9:30 am

2 stops13h 50m

Porto

Tue 3/31

6:00 am-6:54 pm

2 stops18h 54m

$727

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

6:50 pm-8:55 am

2 stops33h 05m

Lisbon Humberto Delgado

Sun 3/29

11:25 am-3:25 pm

2 stops34h 00m

$845

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/27

2:40 pm-11:30 am

2 stops15h 50m

Lisbon Humberto Delgado

Tue 3/31

4:20 pm-8:54 pm

2 stops34h 34m

$944

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

5:01 pm-7:55 am

1 stop9h 54m

Lisbon Humberto Delgado

Thu 3/26

7:00 am-9:27 pm

2 stops19h 27m

$1,134

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/27

2:40 pm-11:30 am

2 stops15h 50m

Lisbon Humberto Delgado

Tue 3/31

10:25 am-7:56 pm

1 stop15h 31m

$1,235

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

5:01 pm-7:55 am

1 stop9h 54m

Lisbon Humberto Delgado

Sun 3/29

11:00 am-9:29 pm

2 stops16h 29m

$1,412

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

10:45 am-9:20 am

3 stops17h 35m

Lisbon Humberto Delgado

Thu 3/26

11:20 am-10:38 pm

2 stops16h 18m

$1,687

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

10:45 am-9:20 am

3 stops17h 35m

Lisbon Humberto Delgado

Sun 3/29

12:50 pm-9:53 am

2 stops27h 03m

$1,699

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

10:45 am-9:20 am

3 stops17h 35m

Lisbon Humberto Delgado

Sun 3/29

8:10 pm-4:51 pm

3 stops26h 41m

$2,170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Madison 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 month to fly to Portugal?

The cheapest month to fly to Portugal from Madison is in February. Flight prices, which tend to average around $599, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Madison during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $656.

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

According to our data, Sunday is the cheapest day to fly to Portugal from Madison. The lowest ticket price found for a Sunday departure recently was $773. 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 $1,247.

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 Madison to Portugal during this time can be as low as $872. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $972 per ticket.

Can stopping save me money on Madison to Portugal flights?

You could potentially save up to 31% on your flight if you consider stops on a Madison to Portugal flight.

Cheap Madison to Portugal flight deals and tips

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

Direct flights

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

  • When did momondo last update prices for flights from Madison Truax Field Airport to Portugal?

    Prices for flights from Madison Truax Field Airport to Portugal refresh daily.

  • How many operators does momondo search for flights from Madison Truax Field Airport to Portugal?

  • How old do you have to be to fly from Madison Truax Field Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Madison Truax Field 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 Madison to Portugal

Compare and see reviews for airlines that fly from Madison to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $543Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
KLMPriceFrom $700Free CancellationRating
7.7
1,405 reviews
Search KLM flights
DeltaPriceFrom $711Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Why use momondo?

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

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 Portugal from Madison.

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

Yes. momondo allows you to filter the results for Madison to Portugal flights to just show those with flexible booking policies.

How can momondo help me find flights from Madison to Portugal?

Once all potential Madison to Portugal 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 Madison to Portugal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Madison to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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