$742+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — OPO
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Madison to PortoExplore 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 October 26, 2026.
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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 12/88:15 am -
2 stops19h 15m
Tue 12/156:00 am -
2 stops20h 46m
Deal found 10/24![United Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 10/23. 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.
Tue 10/275:51 am -
2 stops23h 44m
Tue 11/35:00 am -
2 stops22h 01m
Deal found 10/23![Delta logo]()
$809
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:00 pm -
2 stops19h 10m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/25![Lufthansa logo]()
$810
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 10/276:10 am -
1 stop22h 20m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/24![United Airlines logo]()
$815
This Ovago deal was found by Cheapflights users on 10/24. 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.
Tue 12/88:15 am -
1 stop19h 15m
Tue 12/1512:35 pm -
1 stop14h 11m
Deal found 10/24![Lufthansa logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/88:15 am -
2 stops19h 15m
Fri 12/1112:35 pm -
1 stop14h 11m
Deal found 10/21![United Airlines logo]()
$1,099
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 am -
1 stop22h 20m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/26![Multiple Airlines logo]()
$1,103
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 October 26, 2026.
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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/98:15 am -
2 stops19h 15m
Wed 12/166:00 am -
2 stops31h 08m
Deal found 10/25![United Airlines logo]()
$759
This United deal was found by Cheapflights users on 10/21. 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.
Wed 1/67:20 pm -
2 stops21h 05m
Fri 2/2612:35 pm -
1 stop15h 03m
Deal found 10/21![Multiple Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 12/86:00 am -
1 stop21h 30m
Tue 12/156:00 am -
2 stops21h 15m
Deal found 10/24![United Airlines logo]()
$765
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 4/36:50 pm -
2 stops32h 55m
Sat 4/176:00 am -
2 stops20h 54m
Deal found 10/23![United Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 12/88:15 am -
2 stops19h 15m
Fri 12/1112:35 pm -
1 stop14h 11m
Deal found 10/25![United Airlines logo]()
$1,099
Last-minute flights from Madison to PortoDiscover last-minute flight deals from Madison to Porto. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Madison to Porto. Data last updated October 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/23. 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.
Tue 10/275:51 am -
2 stops23h 44m
Tue 11/35:00 am -
2 stops22h 01m
Deal found 10/23![Delta logo]()
$809
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:00 pm -
2 stops19h 10m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/25![Lufthansa logo]()
$810
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 10/276:10 am -
1 stop22h 20m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/24![United Airlines logo]()
$815
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 am -
1 stop22h 20m
Tue 11/36:00 am -
2 stops23h 37m
Deal found 10/26![Multiple Airlines logo]()
$1,103
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 am -
1 stop22h 20m
Tue 11/312:35 pm -
1 stop17h 02m
Deal found 10/24![Brussels Airlines logo]()
$1,528
This BusinessClass deal was found by Cheapflights users on 10/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:43 pm -
2 stops35h 57m
Sat 11/281:45 pm -
2 stops37h 20m
Deal found 10/24![Lufthansa logo]()
$1,512
One-way flights from Madison to PortoSearch for one-way flight options from Madison to Porto. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Madison to Porto. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 11/207:00 pm -
2 stops56h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$742
Find 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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (United Airlines) |
One-way from | $742 (United Airlines) |
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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Madison to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Fri 11/20
7:00 pm-9:30 am
2 stops56h 30m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$742
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Wed 12/9
8:15 am-9:30 am
2 stops19h 15m
Porto
Wed 12/16
6:00 am-7:08 am
2 stops31h 08m
$759
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Tue 12/8
6:00 am-9:30 am
1 stop21h 30m
Porto
Tue 12/15
6:00 am-9:15 pm
2 stops21h 15m
$765
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Wed 1/6
7:20 pm-10:25 pm
2 stops21h 05m
Porto
Fri 2/26
12:35 pm-9:38 pm
1 stop15h 03m
$792
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Sat 4/3
6:50 pm-9:45 am
2 stops32h 55m
Porto
Sat 4/17
6:00 am-8:54 pm
2 stops20h 54m
$845
Quickest round-trip
MadisonPorto
MSN Madison Truax Field - OPO Porto
MSNOPO
Madison Truax Field
Tue 12/8
8:15 am-9:30 am
2 stops19h 15m
Porto
Fri 12/11
12:35 pm-8:46 pm
1 stop14h 11m
$1,099
Sorted by cheapest first
Compare providers for flights from Madison to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madison to Porto in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Madison-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madison-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madison-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Madison-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madison-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
MSN-OPO
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.
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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