How long is the flight from Madison to Porto?

For as low as $503, United Airlines can have you in Porto from Madison in 21h 25m. The distance between Madison and Porto is about 3958 mi.

What are the cheapest airlines flying from Madison to Porto round-trip?

According to our current data, KLM ($700), and Delta ($711) offers the cheapest pricing from Madison to Porto.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from MSN to OPO?

When flying from Madison to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$503+ Flights from Madison to Porto

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Madison to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Madison to Porto

Best flights from Madison to Porto
Discover carefully curated flight deals from Madison to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Fri 2/68:15 amMSN - OPO

2 stops21h 25mUnited Airlines

Tue 2/106:00 amOPO - MSN

2 stops19h 07mUnited Airlines

Deal found 12/2

$503

One-way flights from Madison to Porto
Search for one-way flight options from Madison to Porto. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Thu 4/307:00 amMSN - OPO

2 stops20h 45mUnited Airlines

Deal found 12/3

$561

Thu 4/304:48 pmMSN - OPO

3 stops46h 02mMultiple Airlines

Deal found 12/3

$800

Thu 4/306:49 pmMSN - OPO

2 stops19h 31mBritish Airways

Deal found 12/2

$1,174

Thu 4/301:04 pmMSN - OPO

3 stops19h 56mAir Canada

Deal found 12/2

$1,258

Find flight deals from Madison to Porto

Round-trip from	$488 (Delta)

From Madison Truax Field to Porto

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Fri 2/6

8:15 am-11:40 am

2 stops21h 25m

Porto

Tue 2/10

6:00 am-7:07 pm

2 stops19h 07m

$503

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 4/30

7:00 am-9:45 am

2 stops20h 45m

$561

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 4/30

4:48 pm-8:50 pm

3 stops46h 02m

$800

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 4/30

6:49 pm-8:20 pm

2 stops19h 31m

$1,174

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Thu 4/30

1:04 pm-3:00 pm

3 stops19h 56m

$1,258

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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

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

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,011 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,428 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Madison to Porto?
For as low as $503, United Airlines can have you in Porto from Madison in 21h 25m. The distance between Madison and Porto is about 3958 mi.
What are the cheapest airlines flying from Madison to Porto round-trip?
According to our current data, KLM ($700), and Delta ($711) offers the cheapest pricing from Madison to Porto.
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

Aveiro

Arcos de Valdevez

Coimbra

Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Madison to Porto

O'Hare Intl to Lisbon flights

Minneapolis to Lisbon flights

Minneapolis to Porto flights

O'Hare Intl to Porto flights

O'Hare Intl to Funchal flights

O'Hare Intl to Ponta Delgada flights

Milwaukee to Lisbon flights

Minneapolis to Funchal flights

O'Hare Intl to Faro flights

Madison to Lisbon flights

Green Bay to Lisbon flights

Milwaukee to Porto flights

Minneapolis to Ponta Delgada flights

O'Hare Intl to Lajes flights

Minneapolis to Lajes flights

Madison to Ponta Delgada flights

Milwaukee to Ponta Delgada flights

Wausau to Lisbon flights

Other flights to Porto

Top 2 airlines flying from Madison to Porto

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$700	Average$846	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$711	Average$842	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$503+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Madison to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Madison to Porto

Best flights from Madison to PortoDiscover carefully curated flight deals from Madison to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Discover carefully curated flight deals from Madison to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Find flight deals from Madison to Porto

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Madison to Porto that are best for you.

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.

Reviews of airlines servicing Porto

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.

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?

What are the cheapest airlines flying from Madison to Porto round-trip?

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

How can I find direct flights from Madison to Porto?

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

Traveling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Madison to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Madison to Porto

100% Free

Book with Flexibility

Travel Smart

Best flights from Madison to Porto
Discover carefully curated flight deals from Madison to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.