HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$341+ Cheap flights from Saint Paul, MN 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — OPO
oct. 17 — oct. 241
ven. 10/17
ven. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Saint Paul 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.

Cheapflights Tip: The best prices from Saint Paul to Porto are usually found in December or January, booked 23 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Saint Paul to Porto

Keep the following information in mind while searching for Saint Paul to Porto flight deals. Data was last updated septembre 17, 2025.

Round-trip from

$535
(United Airlines)

One-way from

$341
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$1,090
From Saint Paul to Porto
Search Deals
One-way flight from Saint Paul to Porto
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Saint Paul to Porto

Cheapest flights from Saint Paul to Porto
Explore the most affordable flight options available from Saint Paul to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/2711:27 amMSP - OPO
2 stops17h 03mUnited Airlines
mer. 11/1212:35 pmOPO - MSP
2 stops27h 50mUnited Airlines
Deal found 9/15$535
This United Airlines deal was found by Cheapflights users on 9/17. 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.
mer. 11/2611:27 amMSP - OPO
2 stops16h 03mUnited Airlines
mer. 12/36:00 amOPO - MSP
2 stops20h 59mUnited Airlines
Deal found 9/17$540
This Delta deal was found by Cheapflights users on 9/17. 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.
lun. 12/84:20 pmMSP - OPO
1 stop12h 10mDelta
mar. 12/166:05 amOPO - MSP
2 stops20h 41mDelta
Deal found 9/17$543
This American Airlines deal was found by Cheapflights users on 9/17. 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.
lun. 12/811:58 amMSP - OPO
2 stops17h 47mAmerican Airlines
mar. 12/168:20 amOPO - MSP
2 stops16h 59mAmerican Airlines
Deal found 9/17$559
This KLM deal was found by Cheapflights users on 9/15. 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.
lun. 12/84:20 pmMSP - OPO
1 stop12h 10mKLM
mar. 12/1611:25 amOPO - MSP
1 stop31h 40mKLM
Deal found 9/15$575
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/76:25 pmMSP - OPO
2 stops21h 25mMultiple Airlines
sam. 11/159:55 pmOPO - MSP
2 stops25h 30mMultiple Airlines
Deal found 9/15$580
This KLM deal was found by Cheapflights users on 9/17. 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.
mer. 11/264:28 pmMSP - OPO
1 stop12h 02mKLM
mer. 12/36:00 amOPO - MSP
2 stops17h 15mKLM
Deal found 9/17$587
This American Airlines deal was found by Cheapflights users on 9/15. 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.
jeu. 10/3011:20 amMSP - OPO
2 stops15h 20mAmerican Airlines
jeu. 11/68:20 amOPO - MSP
2 stops20h 42mAmerican Airlines
Deal found 9/15$608
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/84:20 pmMSP - OPO
1 stop12h 10mMultiple Airlines
mar. 12/166:05 amOPO - MSP
2 stops17h 10mMultiple Airlines
Deal found 9/15$612

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Paul 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 septembre 17, 2025.
Use the filters below to find and compare flights from Saint Paul to Porto that are best for you.

Fly from

Saint Paul

Fly to

Porto

Route

Depart

Return

Price

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

lun. 10/27

11:27 am-9:30 am

2 stops17h 03m

Porto

mer. 11/12

12:35 pm-10:25 am

2 stops27h 50m

$535

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

mer. 3/11

5:44 pm-9:30 am

1 stop10h 46m

Porto

mar. 3/17

6:00 am-3:49 pm

2 stops38h 49m

$536

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

mar. 3/10

5:44 pm-9:30 am

1 stop10h 46m

Porto

mar. 3/24

6:00 am-10:29 pm

2 stops21h 29m

$540

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

lun. 3/9

5:44 pm-9:30 am

1 stop10h 46m

Porto

mar. 3/17

6:00 am-10:29 pm

2 stops21h 29m

$540

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

mar. 3/10

5:44 pm-9:30 am

1 stop10h 46m

Porto

mar. 3/17

12:35 pm-10:58 pm

1 stop15h 23m

$543

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

mar. 10/7

9:00 am-7:40 pm

3 stops52h 40m

$341

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

dim. 12/28

7:40 am-3:15 pm

2 stops25h 35m

$470

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

dim. 12/28

5:55 pm-10:25 pm

1 stop22h 30m

$508

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

mar. 10/7

6:00 am-9:45 am

1 stop21h 45m

$512

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

dim. 12/28

6:25 pm-6:10 pm

3 stops17h 45m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Saint Paul to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Saint Paul 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.

Cheapflights Insights

Everything you need to know about your flight from Saint Paul to Porto

How far ahead should I book a flight from Saint Paul to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Saint Paul to Porto. Price data was last updated on September 12, 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Saint Paul to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Saint Paul to Porto?

Currently, January is the cheapest month in which you can book a flight from Saint Paul to Porto (average of $523). Flying from Saint Paul to Porto in June is currently the most expensive (average of $1,028). 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.

What is the cheapest time of day to fly from SA1 to OPO?

Find hourly flight availability from Saint Paul to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Paul to Porto as you normally would.

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 septembre 17, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Saint Paul to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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!
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,409 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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 Saint Paul to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Saint Paul?

    For a flight from Saint Paul to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 0 inbound flights from Saint Paul per day. 4 airlines have flights to Porto from Saint Paul on a regular basis.

  • How long is the flight from Saint Paul to Porto?

    For as low as $535, United Airlines can have you in Porto from Saint Paul in 17h 03m. Saint Paul and Porto are separated by a distance of 4069 mi.

  • Can I find deals for flights from Saint Paul to Porto that include hotel bookings?

    Yes. In addition to deals on Saint Paul to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint Paul to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Paul to Porto.

  • Can I find deals for business class flights from Saint Paul to Porto?

    Yes. Cheapflights offers flight deals from Saint Paul 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 Saint Paul to Porto?

    Currently, January is the cheapest month in which you can book a flight from Saint Paul to Porto (average of $523). Flying from Saint Paul to Porto in June is currently the most expensive (average of $1,028). 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
Arcos de Valdevez
Coimbra

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 Saint Paul to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Minneapolis to Lisbon flights
Minneapolis to Porto flights
Minneapolis to Funchal flights
Minneapolis to Ponta Delgada flights
Fargo to Lisbon flights
Minneapolis to Lajes flights

Top 4 airlines flying from Saint Paul to Porto

Discover the top 4 airlines that operate flights from Saint Paul to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$551Average$633FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$589Average$928FlexibilityNo cancel feeOn-time69%
DeltaCheapest$614Average$967FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$626Average$999FlexibilityNo cancel feeOn-time75%

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.