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Cheap flights from Madison to Porto from $492

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Madison to Porto departing on 3/9. 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 Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:54 pm - 9:30 am
MSN
-
OPO
12h 36m
2 stops
United Airlines Logo
12:30 pm - 2:58 pm
OPO
-
MSN
31h 28m
2 stops
$492United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
2:50 pm - 9:30 am
MSN
-
OPO
13h 40m
2 stops
United Airlines Logo
12:30 pm - 10:37 pm
OPO
-
MSN
39h 07m
3 stops
$505United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
12:57 pm - 11:40 am
MSN
-
OPO
16h 43m
2 stops
United Airlines Logo
12:30 pm - 2:58 pm
OPO
-
MSN
31h 28m
2 stops
$507United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:49 am - 11:40 am
MSN
-
OPO
18h 51m
2 stops
United Airlines Logo
6:00 am - 9:32 pm
OPO
-
MSN
21h 32m
2 stops
$607United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
2:50 pm - 9:30 am
MSN
-
OPO
13h 40m
2 stops
United Airlines Logo
12:35 pm - 10:37 pm
OPO
-
MSN
15h 02m
1 stop
$700United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
12:57 pm - 11:40 am
MSN
-
OPO
16h 43m
2 stops
United Airlines Logo
12:35 pm - 10:37 pm
OPO
-
MSN
15h 02m
1 stop
$999United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:45 am - 6:55 am
MSN
-
OPO
14h 10m
2 stops
United Airlines Logo
12:15 pm - 8:54 pm
OPO
-
MSN
38h 39m
2 stops
$1,129United Airlines
Sat, Jul 4 - Sat, Jul 18
Air Canada Logo
1:04 pm - 6:50 am
MSN
-
OPO
35h 46m
2 stops
Air Canada Logo
12:15 pm - 4:51 pm
OPO
-
MSN
34h 36m
2 stops
$1,157Air Canada
Sat, Jul 4 - Sat, Jul 18
Lufthansa Logo
1:04 pm - 10:20 am
MSN
-
OPO
15h 16m
2 stops
Lufthansa Logo
9:00 am - 7:56 pm
OPO
-
MSN
16h 56m
1 stop
$1,223Lufthansa
Sat, Jul 4 - Sat, Jul 18
Lufthansa Logo
1:04 pm - 10:20 am
MSN
-
OPO
15h 16m
2 stops
Lufthansa Logo
9:00 am - 7:56 pm
OPO
-
MSN
16h 56m
1 stop
$1,296Lufthansa
Sat, Jul 4 - Sat, Jul 18

Lufthansa flights from Madison to Porto

Our best Lufthansa deals on Madison to Porto flight tickets
Lufthansa
Jul 4
MSN1:04 pmMadison Truax Field
15h 16m
2 stops
OPO10:20 amPorto
Jul 18
OPO9:00 amPorto
16h 56m
1 stop
MSN7:56 pmMadison Truax Field
$1,223
Lufthansa
Jul 4
MSN1:04 pmMadison Truax Field
15h 16m
2 stops
OPO10:20 amPorto
Jul 18
OPO9:00 amPorto
16h 56m
1 stop
MSN7:56 pmMadison Truax Field
$1,296

United Airlines flights from Madison to Porto

Our best United Airlines deals on Madison to Porto flight tickets
United Airlines
Mar 9
MSN3:54 pmMadison Truax Field
12h 36m
2 stops
OPO9:30 amPorto
Mar 16
OPO12:30 pmPorto
31h 28m
2 stops
MSN2:58 pmMadison Truax Field
$492
United Airlines
Mar 9
MSN2:50 pmMadison Truax Field
13h 40m
2 stops
OPO9:30 amPorto
Mar 16
OPO12:30 pmPorto
39h 07m
3 stops
MSN10:37 pmMadison Truax Field
$505
United Airlines
Mar 4
MSN12:57 pmMadison Truax Field
16h 43m
2 stops
OPO11:40 amPorto
Mar 8
OPO12:30 pmPorto
31h 28m
2 stops
MSN2:58 pmMadison Truax Field
$507

momondo Fare Finder

 
Customize your flight search to find flights from Madison to Porto 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 January 25, 2026.
Use the filters below to find and compare flights from Madison to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 3/9

3:54 pm-9:30 am

2 stops12h 36m

Porto

Mon 3/16

12:30 pm-2:58 pm

2 stops31h 28m

$492

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 3/9

2:50 pm-9:30 am

2 stops13h 40m

Porto

Mon 3/16

12:30 pm-10:37 pm

3 stops39h 07m

$505

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 3/4

12:57 pm-11:40 am

2 stops16h 43m

Porto

Sun 3/8

12:30 pm-2:58 pm

2 stops31h 28m

$507

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 3/4

10:49 am-11:40 am

2 stops18h 51m

Porto

Sun 3/8

6:00 am-9:32 pm

2 stops21h 32m

$607

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 3/9

2:50 pm-9:30 am

2 stops13h 40m

Porto

Mon 3/16

12:35 pm-10:37 pm

1 stop15h 02m

$700

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 3/4

12:57 pm-11:40 am

2 stops16h 43m

Porto

Sun 3/8

12:35 pm-10:37 pm

1 stop15h 02m

$999

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sat 7/4

10:45 am-6:55 am

2 stops14h 10m

Porto

Sat 7/18

12:15 pm-8:54 pm

2 stops38h 39m

$1,129

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sat 7/4

1:04 pm-6:50 am

2 stops35h 46m

Porto

Sat 7/18

12:15 pm-4:51 pm

2 stops34h 36m

$1,157

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sat 7/4

1:04 pm-10:20 am

2 stops15h 16m

Porto

Sat 7/18

9:00 am-7:56 pm

1 stop16h 56m

$1,223

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sat 7/4

1:04 pm-10:20 am

2 stops15h 16m

Porto

Sat 7/18

9:00 am-7:56 pm

1 stop16h 56m

$1,296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Madison to Porto

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 airline that flies from Madison Truax Field to Porto?

United Airlines is the most popular carrier operating from Madison Truax Field to Porto

When to book flights from Madison to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Madison to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Madison to Porto (MSN to OPO) flight deals and tips

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

Fastest flight time

12h 36m

Direct flights

None
The fastest flight from Madison to Porto takes 12h 36m
There are no direct flights from Madison to Porto. There are no popular flight routes from Madison to Porto.
Search flight deals

  • How far is Madison Truax Field to Porto by plane?

    A flight from Madison Truax Field to Porto will travel around 3968.4 mi. By plane, this route typically takes 12h 36m.

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

    Prices for flights from Madison Truax Field Airport to Porto Airport are updated daily.

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

  • How old do you have to be to fly from Madison Truax Field Airport to Porto 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 Madison Truax Field Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto 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 Porto 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 Madison to Porto?

Best airlines flying from Madison to Porto

Compare and see reviews for airlines that fly from Madison to Porto with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $700Free CancellationRating
7.7
1,442 reviews
Search KLM flights
DeltaPriceFrom $711Free CancellationRating
7.9
8,111 reviews
Search Delta flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Esposende
Lamego
Guimarães
Espinho
Chaves
Pinhao
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Madison to Porto for you.

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

Flights from Madison to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Madison and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Porto from Madison. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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