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Cheap flights from Madison to Portugal from $406

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 2/21. 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 Madison to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:32 pm - 12:50 pm
MSN
-
OPO
18h 18m2 stops
Lufthansa Logo
6:00 am - 4:44 pm
OPO
-
MSN
16h 44m2 stops
$479Lufthansa
Fri, Jan 23 - Tue, Jan 27
Lufthansa Logo
12:32 pm - 7:55 pm
MSN
-
LIS
25h 23m2 stops
Lufthansa Logo
5:00 am - 9:07 pm
LIS
-
MSN
22h 07m2 stops
$487Lufthansa
Thu, Feb 5 - Fri, Feb 20
United Airlines Logo
8:15 am - 8:10 am
MSN
-
LIS
17h 55m2 stops
United Airlines Logo
11:20 am - 9:05 pm
LIS
-
MSN
39h 45m2 stops
$491United Airlines
Fri, Jan 30 - Tue, Feb 3
Lufthansa Logo
5:25 pm - 12:50 pm
MSN
-
OPO
37h 25m2 stops
Lufthansa Logo
1:45 pm - 5:03 pm
OPO
-
MSN
33h 18m2 stops
$491Lufthansa
Thu, Feb 5 - Mon, Feb 16
United Airlines Logo
8:15 am - 8:10 am
MSN
-
LIS
17h 55m2 stops
United Airlines Logo
5:00 am - 4:44 pm
LIS
-
MSN
17h 44m2 stops
$499United Airlines
Fri, Jan 30 - Tue, Feb 3
Delta Logo
6:20 am - 11:20 am
MSN
-
LIS
23h 00m2 stops
Delta Logo
5:00 am - 10:38 pm
LIS
-
MSN
23h 38m2 stops
$501Delta
Sat, Feb 21 - Sat, Mar 7
American Airlines Logo
4:47 pm - 9:05 am
MSN
-
LIS
10h 18m1 stop
American Airlines Logo
6:30 am - 7:46 pm
LIS
-
MSN
19h 16m2 stops
$504American Airlines
Thu, Feb 5 - Fri, Feb 20
United Airlines Logo
6:30 am - 11:40 am
MSN
-
OPO
23h 10m2 stops
United Airlines Logo
6:00 am - 5:47 pm
OPO
-
MSN
17h 47m2 stops
$506United Airlines
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
8:24 pm - 9:55 pm
MSN
-
LIS
20h 31m2 stops
British Airways Logo
11:00 am - 11:25 pm
LIS
-
MSN
18h 25m2 stops
$507British Airways
Mon, Mar 23 - Tue, Mar 31
British Airways Logo
8:24 pm - 9:55 pm
MSN
-
LIS
20h 31m2 stops
British Airways Logo
5:05 pm - 11:25 pm
LIS
-
MSN
36h 20m2 stops
$574British Airways
Mon, Mar 23 - Mon, Mar 30

United Airlines flights from Madison to Portugal

Our best United Airlines deals on Madison to Portugal flight tickets
United Airlines
Jan 30
MSN6:30 amMadison Truax Field
19h 40m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 3
LIS11:20 amLisbon Humberto Delgado
39h 45m
2 stops
MSN9:05 pmMadison Truax Field
$491
Find similar
United Airlines
Jan 30
MSN8:15 amMadison Truax Field
17h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 3
LIS5:00 amLisbon Humberto Delgado
17h 44m
2 stops
MSN4:44 pmMadison Truax Field
$499
Find similar
United Airlines
Jan 30
MSN8:15 amMadison Truax Field
21h 25m
2 stops
OPO11:40 amPorto
Feb 3
OPO6:00 amPorto
19h 07m
2 stops
MSN7:07 pmMadison Truax Field
$506
Find similar

Delta flights from Madison to Portugal

Our best Delta deals on Madison to Portugal flight tickets
Delta
Feb 21
MSN6:20 amMadison Truax Field
23h 00m
2 stops
LIS11:20 amLisbon Humberto Delgado
Mar 7
LIS5:00 amLisbon Humberto Delgado
23h 38m
2 stops
MSN10:38 pmMadison Truax Field
$501
Find similar
Delta
Apr 8
MSN1:20 pmMadison Truax Field
19h 30m
2 stops
LIS2:50 pmLisbon Humberto Delgado
Apr 29
LIS5:00 amLisbon Humberto Delgado
22h 57m
2 stops
MSN9:57 pmMadison Truax Field
$659
Find similar
Delta
Apr 1
MSN10:57 amMadison Truax Field
17h 58m
2 stops
LIS10:55 amLisbon Humberto Delgado
Apr 9
LIS5:00 amLisbon Humberto Delgado
23h 58m
2 stops
MSN10:58 pmMadison Truax Field
$664
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 December 18, 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

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 1/23

12:32 pm-12:50 pm

2 stops18h 18m

Porto

Tue 1/27

6:00 am-4:44 pm

2 stops16h 44m

$479

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Thu 2/5

12:32 pm-7:55 pm

2 stops25h 23m

Lisbon Humberto Delgado

Fri 2/20

5:00 am-9:07 pm

2 stops22h 07m

$487

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 1/30

8:15 am-8:10 am

2 stops17h 55m

Lisbon Humberto Delgado

Tue 2/3

11:20 am-9:05 pm

2 stops39h 45m

$491

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 2/5

5:25 pm-12:50 pm

2 stops37h 25m

Porto

Mon 2/16

1:45 pm-5:03 pm

2 stops33h 18m

$491

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 1/30

8:15 am-8:10 am

2 stops17h 55m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-4:44 pm

2 stops17h 44m

$499

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Sat 2/21

6:20 am-11:20 am

2 stops23h 00m

Lisbon Humberto Delgado

Sat 3/7

5:00 am-10:38 pm

2 stops23h 38m

$501

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Thu 2/5

4:47 pm-9:05 am

1 stop10h 18m

Lisbon Humberto Delgado

Fri 2/20

6:30 am-7:46 pm

2 stops19h 16m

$504

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 1/30

6:30 am-11:40 am

2 stops23h 10m

Porto

Tue 2/3

6:00 am-5:47 pm

2 stops17h 47m

$506

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Mon 3/23

8:24 pm-9:55 pm

2 stops20h 31m

Lisbon Humberto Delgado

Tue 3/31

11:00 am-11:25 pm

2 stops18h 25m

$507

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Mon 3/23

8:24 pm-9:55 pm

2 stops20h 31m

Lisbon Humberto Delgado

Mon 3/30

5:05 pm-11:25 pm

2 stops36h 20m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 15% 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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Madison to Portugal takes 16h 55m
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 $555Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
KLMPriceFrom $700Free CancellationRating
7.7
1,430 reviews
Search KLM flights
DeltaPriceFrom $711Free CancellationRating
7.9
8,007 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.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

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