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$537+ Cheap flights from Madison (MSN) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — OPO
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
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Find flight deals from Madison to Porto

Cheapest flights from Madison to Porto
Explore the most affordable flight options available from Madison to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:26 pmMSN - OPO
2 stops15h 04mUnited Airlines
mié. 11/1212:30 pmOPO - MSN
2 stops32h 24mUnited Airlines
Deal found 10/15$592
This Ovago deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:26 pmMSN - OPO
2 stops17h 14mLufthansa
mié. 11/1212:35 pmOPO - MSN
1 stop16h 10mLufthansa
Deal found 10/15$648
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/282:48 pmMSN - OPO
2 stops15h 52mLufthansa
mar. 11/46:00 amOPO - MSN
2 stops16h 50mLufthansa
Deal found 10/15$761
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:00 amMSN - OPO
2 stops22h 30mDelta
mar. 11/46:05 amOPO - MSN
2 stops17h 07mDelta
Deal found 10/16$765

Cheap flight deals from Madison to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 16, 2025.

Round-trip from

$537
(Cheapflightsfares)
From Madison Truax Field to Porto
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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, Cheapflights users made 2,558,603 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from Madison to Porto that are best for you.

Fly from

Madison

Fly to

Porto

Route

Depart

Return

Price

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mié. 2/11

12:38 pm-11:40 pm

2 stops29h 02m

Porto

mié. 2/25

6:00 am-9:03 pm

2 stops21h 03m

$537

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mié. 2/11

6:30 am-3:25 pm

2 stops26h 55m

Porto

mié. 2/25

12:35 pm-8:15 pm

1 stop13h 40m

$563

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mié. 11/5

12:26 pm-9:30 am

2 stops15h 04m

Porto

mié. 11/12

12:30 pm-2:54 pm

2 stops32h 24m

$592

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mié. 11/5

12:26 pm-11:40 am

2 stops17h 14m

Porto

mié. 11/12

12:35 pm-10:45 pm

1 stop16h 10m

$648

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

vie. 3/27

2:40 pm-9:30 am

2 stops13h 50m

Porto

mar. 3/31

6:00 am-6:54 pm

2 stops18h 54m

$727

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mar. 10/28

2:48 pm-11:40 am

2 stops15h 52m

Porto

mar. 11/4

6:00 am-4:50 pm

2 stops16h 50m

$761

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

mar. 10/28

7:00 am-10:30 am

2 stops22h 30m

Porto

mar. 11/4

6:05 am-5:12 pm

2 stops17h 07m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Best time to book a flight from Madison to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Madison with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated octubre 16, 2025.
See what other customers who have flown with Delta and KLM from Madison to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,980 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,980 reviews
Delta
7.9
Good
7,980 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,980 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Madison to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Madison to Porto?

    For as low as $563, Lufthansa can have you in Porto from Madison in 26h 55m. The distance between Madison and Porto is about 3958 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Madison to Porto that include hotel bookings?

    Yes. In addition to deals on Madison to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madison to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madison to Porto.

  • Can I find deals for business class flights from Madison to Porto?

    Yes. Cheapflights offers flight deals from Madison to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Top 2 airlines flying from Madison to Porto

Discover the top 2 airlines that operate flights from Madison to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$700Average$846FlexibilityNo cancel feeOn-time75%
DeltaCheapest$711Average$842FlexibilityNo cancel feeOn-timeN/A

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