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$614+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — OPO
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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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 July 25, 2025.

Round-trip from

$614
(United Airlines)
From Madison Truax Field to Porto
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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 July 25, 2025.

This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 11/92:48 pmMSN - OPO
2 stops12h 42mUnited Airlines
Fri 11/216:00 amOPO - MSN
2 stops19h 21mUnited Airlines
Deal found 7/24$614
This United deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:26 pmMSN - OPO
2 stops17h 49mMultiple Airlines
Tue 11/412:35 pmOPO - MSN
1 stop16h 10mMultiple Airlines
Deal found 7/24$633
This Ovago deal was found by Cheapflights users on 7/24. 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.
Sun 11/94:35 pmMSN - OPO
2 stops18h 05mBritish Airways
Fri 11/218:20 amOPO - MSN
2 stops21h 13mBritish Airways
Deal found 7/24$640
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:51 amMSN - OPO
2 stops19h 54mAmerican Airlines
Sat 11/228:40 pmOPO - MSN
2 stops19h 43mAmerican Airlines
Deal found 7/24$673
This KLM deal was found by Cheapflights users on 7/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:00 pmMSN - OPO
2 stops14h 30mKLM
Fri 11/2111:25 amOPO - MSN
2 stops15h 19mKLM
Deal found 7/24$762
This Ovago deal was found by Cheapflights users on 7/24. 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.
Sun 11/92:48 pmMSN - OPO
2 stops18h 27mLufthansa
Fri 11/2112:35 pmOPO - MSN
1 stop16h 31mLufthansa
Deal found 7/24$779
This Ovago deal was found by Cheapflights users on 7/24. 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.
Sun 11/99:51 amMSN - OPO
2 stops19h 54mIberia
Sun 11/238:40 pmOPO - MSN
2 stops29h 02mIberia
Deal found 7/24$1,612

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 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

Sun 11/9

2:48 pm-9:30 am

2 stops12h 42m

Porto

Fri 11/21

6:00 am-7:21 pm

2 stops19h 21m

$614

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Tue 10/28

12:26 pm-11:15 am

2 stops17h 49m

Porto

Tue 11/4

12:35 pm-10:45 pm

1 stop16h 10m

$633

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 11/9

4:35 pm-4:40 pm

2 stops18h 05m

Porto

Fri 11/21

8:20 am-11:33 pm

2 stops21h 13m

$640

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 11/9

9:51 am-11:45 am

2 stops19h 54m

Porto

Sat 11/22

8:40 pm-10:23 am

2 stops19h 43m

$673

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 11/10

2:00 pm-10:30 am

2 stops14h 30m

Porto

Fri 11/21

11:25 am-8:44 pm

2 stops15h 19m

$762

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 11/9

2:48 pm-3:15 pm

2 stops18h 27m

Porto

Fri 11/21

12:35 pm-11:06 pm

1 stop16h 31m

$779

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 11/9

9:51 am-11:45 am

2 stops19h 54m

Porto

Sun 11/23

8:40 pm-7:42 pm

2 stops29h 02m

$1,612

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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 July 25, 2025.
See what other customers who have flown with KLM, United Airlines, and American Airlines 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.
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,375 reviews
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,876 reviews
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,855 reviews
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,253 reviews
KLM
7.8
Good
1,375 reviews

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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.

  • What is the cheapest month to book a flight from Madison to Porto?

    Currently, January is the cheapest month in which you can book a flight from Madison to Porto (average of $523). Flying from Madison to Porto in June is currently the most expensive (average of $1,031). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

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