How do I get Price Alerts for flights from Madison to Porto?

Price Alerts will notify you by email when the price for flights to Porto from Madison decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Madison to Porto with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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?

There is 1 operator available for flights from Madison Truax Field Airport to Porto Airport as of August 2026.

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.

$727 Cheap Flights from Madison to Porto in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Madison to Porto

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 3:25 pm-

17h 35m

5:00 am - 5:26 pm-

18h 26m

$727KLM

Mon, Dec 7 - Thu, Dec 10

8:00 am - 9:30 am-

19h 30m

6:00 am - 3:00 pm-

39h 00m

$750United Airlines

Mon, Dec 7 - Thu, Dec 10

8:00 am - 9:30 am-

19h 30m

12:35 pm - 7:56 pm-

13h 21m

$754United Airlines

Mon, Dec 7 - Thu, Dec 10

6:30 am - 9:30 am-

21h 00m

6:00 am - 1:50 pm-

37h 50m

$754United Airlines

Mon, Dec 7 - Thu, Dec 10

2:50 pm - 9:30 am-

12h 40m

6:00 am - 9:44 am-

33h 44m

$755United Airlines

Mon, Dec 7 - Thu, Dec 10

Save money when you book flights with momondo

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Delta flights from Madison to Porto

Our best Delta deals on Madison to Porto flight tickets

Delta

Oct 27

MSN5:21 pmMadison Truax Field

23h 39m

2 stops

OPO10:00 pmPorto

Nov 3

OPO5:00 amPorto

20h 06m

2 stops

MSN7:06 pmMadison Truax Field

$782

Delta

Oct 27

MSN5:21 pmMadison Truax Field

23h 39m

2 stops

OPO10:00 pmPorto

Nov 3

OPO5:00 amPorto

20h 06m

2 stops

MSN7:06 pmMadison Truax Field

$783

Delta

Oct 21

MSN9:27 amMadison Truax Field

19h 03m

2 stops

OPO10:30 amPorto

Oct 27

OPO5:00 amPorto

21h 01m

2 stops

MSN9:01 pmMadison Truax Field

$832

SWISS flights from Madison to Porto

Our best SWISS deals on Madison to Porto flight tickets

SWISS

Oct 27

MSN6:10 amMadison Truax Field

22h 20m

1 stop

OPO9:30 amPorto

Nov 3

OPO12:05 pmPorto

17h 32m

2 stops

MSN11:37 pmMadison Truax Field

$862

SWISS

Oct 27

MSN6:10 amMadison Truax Field

22h 20m

1 stop

OPO9:30 amPorto

Nov 3

OPO12:05 pmPorto

17h 32m

2 stops

MSN11:37 pmMadison Truax Field

$863

SWISS

Oct 27

MSN6:10 amMadison Truax Field

22h 20m

1 stop

OPO9:30 amPorto

Nov 3

OPO12:05 pmPorto

17h 32m

2 stops

MSN11:37 pmMadison Truax Field

$866

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 12/7

3:50 pm-3:25 pm

2 stops17h 35m

Porto

Thu 12/10

5:00 am-5:26 pm

2 stops18h 26m

$727

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 12/7

8:00 am-9:30 am

1 stop19h 30m

Porto

Thu 12/10

6:00 am-3:00 pm

2 stops39h 00m

$750

Quickest round-trip

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 12/7

8:00 am-9:30 am

1 stop19h 30m

Porto

Thu 12/10

12:35 pm-7:56 pm

1 stop13h 21m

$754

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 12/7

6:30 am-9:30 am

2 stops21h 00m

Porto

Thu 12/10

6:00 am-1:50 pm

2 stops37h 50m

$754

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Mon 12/7

2:50 pm-9:30 am

2 stops12h 40m

Porto

Thu 12/10

6:00 am-9:44 am

2 stops33h 44m

$755

Cheapest one-way

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 8/12

5:48 pm-8:25 pm

3 stops44h 37m

$515

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 8/12

6:05 pm-7:45 am

2 stops55h 40m

$625

Quickest one-way

MadisonPorto

MSN - OPO

MSNOPO

Madison Truax Field

Wed 8/12

10:57 am-9:45 am

1 stop16h 48m

$707

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	17h 35m
Direct flights	None

The fastest flight from Madison to Porto takes 17h 35m

There are no direct flights from Madison to Porto. There are no popular flight routes from Madison to Porto.

Search flight deals

Frequently asked questions about flying from Madison to Porto

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 17h 35m.
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?
There is 1 operator available for flights from Madison Truax Field Airport to Porto Airport as of August 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Madison to Porto is KLM (100% of total bookings).

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
KLM	PriceFrom $700	Free Cancellation	Rating 7.8 1,552 reviews		Search KLM flights

Frequently asked questions about flying from Madison to Porto

How do I get Price Alerts for flights from Madison to Porto?
Price Alerts will notify you by email when the price for flights to Porto from Madison decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Madison to Porto with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Pinhao

Esposende

Lamego

Chaves

Arcos de Valdevez

Guimarães

Viseu

Espinho

Ponte de Lima

Mesao Frio

Penafiel

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.

An easier way to manage your Porto trip

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Find better results for your trip to Portugal

Nearby airports

Airlines

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Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

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Algarve Airport

Cheap flights from Madison to Porto from $515

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madison to Porto departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Madison to Porto

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Madison to Porto

Our best Delta deals on Madison to Porto flight tickets

SWISS flights from Madison to Porto

Our best SWISS deals on Madison to Porto flight tickets

momondo Fare Finder

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

When to book flights from Madison to Porto

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Frequently asked questions about flying from Madison to Porto

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Madison

According to popular flight searches on momondo this year

Complete your trip to Porto

Explore popular destinations other users love

According to popular flight searches on momondo this year