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$320+ Cheap flights from Madison (MSN) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — OPO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 3, 2025.

Round-trip from

$730
(United Airlines)

One-way from

$320
(Kiwi.com)
From Madison Truax Field to Porto
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One-way flight 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 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 9/228:15 amMSN - OPO
2 stops19h 20mUnited Airlines
Tue 9/3012:50 pmOPO - MSN
2 stops27h 05mUnited Airlines
Deal found 7/3$730
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 9/221:23 pmMSN - OPO
2 stops20h 07mDelta
Fri 10/36:40 amOPO - MSN
2 stops19h 43mDelta
Deal found 7/3$807
This Iberia deal was found by Cheapflights users on 7/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:18 pmMSN - OPO
2 stops17h 37mIberia
Thu 10/28:15 amOPO - MSN
2 stops17h 32mIberia
Deal found 7/3$819
This Ovago deal was found by Cheapflights users on 7/3. 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.
Tue 9/2312:19 pmMSN - OPO
2 stops16h 56mLufthansa
Sat 10/412:05 pmOPO - MSN
2 stops16h 23mLufthansa
Deal found 7/3$1,060
This Gurufare deal was found by Cheapflights users on 7/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:18 pmMSN - OPO
2 stops18h 02mBritish Airways
Sat 10/48:15 amOPO - MSN
2 stops15h 39mBritish Airways
Deal found 7/3$1,326
This Lufthansa deal was found by Cheapflights users on 7/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:20 amMSN - OPO
1 stop21h 25mMultiple Airlines
Sun 8/2412:10 pmOPO - MSN
2 stops16h 13mMultiple Airlines
Deal found 7/2$1,940

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 3, 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

Mon 9/22

8:15 am-9:35 am

2 stops19h 20m

Porto

Tue 9/30

12:50 pm-9:55 am

2 stops27h 05m

$730

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 9/22

1:23 pm-3:30 pm

2 stops20h 07m

Porto

Fri 10/3

6:40 am-8:23 pm

2 stops19h 43m

$807

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 9/21

8:18 pm-7:55 pm

2 stops17h 37m

Porto

Thu 10/2

8:15 am-7:47 pm

2 stops17h 32m

$819

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Tue 9/23

12:19 pm-11:15 am

2 stops16h 56m

Porto

Sat 10/4

12:05 pm-10:28 pm

2 stops16h 23m

$1,060

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 9/25

8:18 pm-8:20 pm

2 stops18h 02m

Porto

Sat 10/4

8:15 am-5:54 pm

2 stops15h 39m

$1,326

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 8/1

6:20 am-9:45 am

1 stop21h 25m

Porto

Sun 8/24

12:10 pm-10:23 pm

2 stops16h 13m

$1,940

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sat 9/27

6:08 pm-9:15 am

2 stops57h 07m

$320

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Sun 9/21

10:51 am-6:55 am

2 stops14h 04m

$583

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 9/26

3:48 pm-9:35 am

2 stops35h 47m

$655

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 9/25

6:40 pm-3:55 pm

2 stops15h 15m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 3, 2025.
See what other customers who have flown with Delta, United Airlines, and Air Canada 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
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,820 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,207 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Madison to Porto one-way?

    $583 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Iberia, with prices starting from $655 and $657, respectively.

  • 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 $1,033). 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 Madison?

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

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