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$590+ Cheap flights from Saint Paul, MN 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — OPO
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Saint Paul to Porto are usually found in January or February, 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 August 1, 2025.

Round-trip from

$590
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$996
From Saint Paul to Porto
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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 11/1211:15 amMSP - OPO
2 stops16h 15mUnited Airlines
Fri 11/216:00 amOPO - MSP
2 stops39h 49mUnited Airlines
Deal found 7/31$590
This Gurufare deal was found by Cheapflights users on 8/1. 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.
Wed 11/1211:47 amMSP - OPO
1 stop15h 43mLufthansa
Fri 11/216:00 amOPO - MSP
2 stops21h 45mLufthansa
Deal found 8/1$607
This Ovago deal was found by Cheapflights users on 7/30. 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.
Mon 12/86:19 pmMSP - OPO
2 stops31h 21mBritish Airways
Tue 12/168:20 amOPO - MSP
2 stops21h 55mBritish Airways
Deal found 7/30$609
This Iberia deal was found by Cheapflights users on 7/29. 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.
Tue 11/117:25 amMSP - OPO
2 stops26h 35mIberia
Fri 11/218:20 amOPO - MSP
2 stops15h 30mIberia
Deal found 7/29$613
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:30 pmMSP - OPO
2 stops37h 10mAir Canada
Tue 12/166:00 amOPO - MSP
2 stops39h 49mAir Canada
Deal found 7/31$614
This KLM deal was found by Cheapflights users on 7/31. 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.
Mon 12/84:20 pmMSP - OPO
1 stop12h 10mMultiple Airlines
Tue 12/1611:25 amOPO - MSP
1 stop31h 40mMultiple Airlines
Deal found 7/31$624
This KLM deal was found by Cheapflights users on 7/30. 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.
Mon 12/84:20 pmMSP - OPO
1 stop12h 10mKLM
Tue 12/166:05 amOPO - MSP
2 stops17h 25mKLM
Deal found 7/30$636
This Delta deal was found by Cheapflights users on 8/1. 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 11/114:25 pmMSP - OPO
1 stop12h 05mDelta
Sat 11/2211:25 amOPO - MSP
2 stops26h 47mDelta
Deal found 8/1$671

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 August 1, 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

Wed 11/12

11:15 am-9:30 am

2 stops16h 15m

Porto

Fri 11/21

6:00 am-3:49 pm

2 stops39h 49m

$590

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Wed 11/12

11:47 am-9:30 am

1 stop15h 43m

Porto

Fri 11/21

6:00 am-9:45 pm

2 stops21h 45m

$607

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 12/8

6:19 pm-7:40 am

2 stops31h 21m

Porto

Tue 12/16

8:20 am-12:15 am

2 stops21h 55m

$609

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Tue 11/11

7:25 am-4:00 pm

2 stops26h 35m

Porto

Fri 11/21

8:20 am-5:50 pm

2 stops15h 30m

$613

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 12/8

4:30 pm-11:40 am

2 stops37h 10m

Porto

Tue 12/16

6:00 am-3:49 pm

2 stops39h 49m

$614

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 12/8

4:20 pm-10:30 am

1 stop12h 10m

Porto

Tue 12/16

11:25 am-1:05 pm

1 stop31h 40m

$624

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 12/8

4:20 pm-10:30 am

1 stop12h 10m

Porto

Tue 12/16

6:05 am-5:30 pm

2 stops17h 25m

$636

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Tue 11/11

4:25 pm-10:30 am

1 stop12h 05m

Porto

Sat 11/22

11:25 am-8:12 am

2 stops26h 47m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 25, 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 $1,033). 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.

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 August 1, 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 August 1, 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
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
2,859 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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.

  • 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 $1,033). 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 Porto?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Saint Paul to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$551Average$855FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$589Average$982FlexibilityNo cancel feeOn-time69%
DeltaCheapest$614Average$1,005FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$650Average$1,091FlexibilityNo cancel feeOn-time75%

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