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Cheap flights from Madison to Portugal from $401

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 10/15. 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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Cheap round-trip flights

American Airlines Logo
2:24 pm - 4:00 pmMSN-OPO
20h 36m2 stops
American Airlines Logo
8:20 am - 8:19 pmOPO-MSN
17h 59m2 stops
$558American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
8:09 am - 7:40 amMSN-OPO
18h 31m2 stops
American Airlines Logo
8:20 am - 10:49 pmOPO-MSN
20h 29m2 stops
$559American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Lufthansa Logo
2:48 pm - 2:45 pmMSN-OPO
18h 57m2 stops
Lufthansa Logo
12:35 pm - 10:45 pmOPO-MSN
16h 10m1 stop
$677Lufthansa
Find Deal
Thu, Oct 30 - Thu, Nov 6
Lufthansa Logo
2:48 pm - 11:40 amMSN-OPO
15h 52m2 stops
Lufthansa Logo
12:35 pm - 10:45 pmOPO-MSN
16h 10m1 stop
$683Lufthansa
Find Deal
Tue, Oct 28 - Tue, Nov 4
British Airways Logo
4:29 pm - 10:05 amMSN-LIS
35h 36m2 stops
British Airways Logo
3:55 pm - 8:42 pmLIS-MSN
33h 47m2 stops
$746British Airways
Find Deal
Tue, Oct 14 - Sat, Nov 1
United Airlines Logo
5:45 pm - 9:20 amMSN-LIS
33h 35m2 stops
United Airlines Logo
11:55 am - 3:03 pmLIS-MSN
32h 08m2 stops
$801United Airlines
Find Deal
Tue, Oct 14 - Sat, Nov 1
United Airlines Logo
2:48 pm - 11:35 amMSN-LIS
15h 47m2 stops
United Airlines Logo
6:10 am - 4:50 pmLIS-MSN
16h 40m2 stops
$824United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
British Airways Logo
4:29 pm - 3:25 pmMSN-LIS
16h 56m2 stops
British Airways Logo
11:05 am - 11:36 pmLIS-MSN
18h 31m2 stops
$826British Airways
Find Deal
Thu, Oct 16 - Thu, Oct 23
Multiple Airlines Logo
3:11 pm - 11:50 amMSN-LIS
15h 39m2 stops
Multiple Airlines Logo
7:05 am - 9:29 pmLIS-MSN
19h 24m2 stops
$827Multiple Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
8:00 am - 8:10 amMSN-LIS
19h 10m1 stop
Multiple Airlines Logo
11:25 am - 4:51 pmLIS-MSN
35h 26m2 stops
$943Multiple Airlines
Find Deal
Fri, Mar 13 - Sun, Mar 29

British Airways flights from Madison to Portugal

Our best British Airways deals on Madison to Portugal flight tickets
British Airways
Oct 14
MSN4:29 pmMadison Truax Field
35h 36m
2 stops
LIS10:05 amLisbon Humberto Delgado
Nov 1
LIS3:55 pmLisbon Humberto Delgado
33h 47m
2 stops
MSN8:42 pmMadison Truax Field
$746
Find similar
British Airways
Oct 16
MSN4:29 pmMadison Truax Field
16h 56m
2 stops
LIS3:25 pmLisbon Humberto Delgado
Oct 23
LIS11:05 amLisbon Humberto Delgado
18h 31m
2 stops
MSN11:36 pmMadison Truax Field
$826
Find similar

American Airlines flights from Madison to Portugal

Our best American Airlines deals on Madison to Portugal flight tickets
American Airlines
Oct 28
MSN2:24 pmMadison Truax Field
20h 36m
2 stops
OPO4:00 pmPorto
Nov 4
OPO8:20 amPorto
17h 59m
2 stops
MSN8:19 pmMadison Truax Field
$558
Find similar
American Airlines
Oct 28
MSN8:09 amMadison Truax Field
18h 31m
2 stops
OPO7:40 amPorto
Nov 4
OPO8:20 amPorto
20h 29m
2 stops
MSN10:49 pmMadison Truax Field
$559
Find similar
American Airlines
Oct 30
MSN8:09 amMadison Truax Field
18h 31m
2 stops
OPO7:40 amPorto
Nov 6
OPO8:20 amPorto
21h 38m
2 stops
MSN11:58 pmMadison Truax Field
$608
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 September 17, 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

Tue 10/28

2:24 pm-4:00 pm

2 stops20h 36m

Porto

Tue 11/4

8:20 am-8:19 pm

2 stops17h 59m

$558

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Tue 10/28

8:09 am-7:40 am

2 stops18h 31m

Porto

Tue 11/4

8:20 am-10:49 pm

2 stops20h 29m

$559

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 10/30

2:48 pm-2:45 pm

2 stops18h 57m

Porto

Thu 11/6

12:35 pm-10:45 pm

1 stop16h 10m

$677

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Tue 10/28

2:48 pm-11:40 am

2 stops15h 52m

Porto

Tue 11/4

12:35 pm-10:45 pm

1 stop16h 10m

$683

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Tue 10/14

4:29 pm-10:05 am

2 stops35h 36m

Lisbon Humberto Delgado

Sat 11/1

3:55 pm-8:42 pm

2 stops33h 47m

$746

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Tue 10/14

5:45 pm-9:20 am

2 stops33h 35m

Lisbon Humberto Delgado

Sat 11/1

11:55 am-3:03 pm

2 stops32h 08m

$801

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Thu 10/30

2:48 pm-11:35 am

2 stops15h 47m

Lisbon Humberto Delgado

Thu 11/6

6:10 am-4:50 pm

2 stops16h 40m

$824

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Thu 10/16

4:29 pm-3:25 pm

2 stops16h 56m

Lisbon Humberto Delgado

Thu 10/23

11:05 am-11:36 pm

2 stops18h 31m

$826

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

3:11 pm-11:50 am

2 stops15h 39m

Lisbon Humberto Delgado

Fri 3/20

7:05 am-9:29 pm

2 stops19h 24m

$827

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 3/13

8:00 am-8:10 am

1 stop19h 10m

Lisbon Humberto Delgado

Sun 3/29

11:25 am-4:51 pm

2 stops35h 26m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 1% 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
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $700Free CancellationRating
7.8
1,386 reviews
Search KLM flights
DeltaPriceFrom $711Free CancellationRating
7.9
7,961 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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