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$322+ Cheap flights from Michigan 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — OPO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Michigan to Porto

Keep the following information in mind while searching for Michigan to Porto flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$564
(Expedia)

One-way from

$404
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$790
Provider with most accurate pricing for Detroit (DTT)-Porto flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Porto flights.
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From Michigan to Porto
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One-way flight from Michigan to Porto
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Highest demand for flights based on searches. 32% potential increase in price ($441 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Michigan to Porto

Cheapest flights from Michigan to Porto
Explore the most affordable flight options available from Michigan to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:55 pmORD - OPO
2 stops14h 45mAmerican Airlines
Fri 10/318:20 amOPO - ORD
2 stops17h 55mAmerican Airlines
Deal found 3/31$558
This United deal was found by Cheapflights users on 4/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:00 pmORD - OPO
1 stop17h 45mUnited Airlines
Tue 11/116:00 amOPO - ORD
2 stops23h 12mUnited Airlines
Deal found 4/1$563
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:45 amORD - OPO
2 stops26h 05mBritish Airways
Mon 5/1212:20 pmOPO - ORD
1 stop31h 55mBritish Airways
Deal found 3/31$564
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:22 pmORD - OPO
2 stops16h 18mMultiple Airlines
Wed 5/218:35 pmOPO - ORD
1 stop23h 40mMultiple Airlines
Deal found 4/1$565
This Delta deal was found by Cheapflights users on 4/2. 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 5/65:10 pmORD - OPO
1 stop16h 20mDelta
Tue 5/136:20 amOPO - ORD
1 stop13h 50mDelta
Deal found 4/2$569
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:40 pmORD - OPO
2 stops19h 10mLufthansa
Tue 11/1112:30 pmOPO - ORD
1 stop13h 35mLufthansa
Deal found 4/2$576
This Delta deal was found by Cheapflights users on 4/2. 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.
Mon 5/56:45 pmMDW - OPO
2 stops38h 45mDelta
Tue 5/136:20 amOPO - MDW
2 stops17h 25mDelta
Deal found 4/2$584
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:30 pmORD - OPO
1 stop13h 10mIberia
Tue 9/98:15 amOPO - ORD
1 stop12h 00mIberia
Deal found 4/1$587
This KLM deal was found by Cheapflights users on 4/2. 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.
Wed 5/74:50 pmORD - OPO
1 stop16h 45mKLM
Wed 5/146:20 amOPO - ORD
2 stops16h 10mKLM
Deal found 4/2$588
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:00 pmORD - OPO
1 stop17h 00mTAP AIR PORTUGAL
Fri 10/249:00 amOPO - ORD
1 stop13h 10mTAP AIR PORTUGAL
Deal found 4/1$591
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:25 amORD - OPO
1 stop22h 25mTurkish Airlines
Tue 9/94:50 pmOPO - ORD
1 stop22h 50mTurkish Airlines
Deal found 4/1$603
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/112:20 pmORD - OPO
1 stop21h 55mSWISS
Wed 5/2112:20 pmOPO - ORD
1 stop33h 35mSWISS
Deal found 4/1$621

Cheapflights Fare Finder

Customize your flight search to find flights from Michigan 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 April 2, 2025.
Use the filters below to find and compare flights from Michigan to Porto that are best for you.

Fly from

Michigan

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 4/27

4:30 pm-7:55 pm

1 stop21h 25m

Porto

Mon 5/12

12:20 pm-2:15 pm

1 stop31h 55m

$560

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 5/5

11:45 am-7:50 pm

2 stops26h 05m

Porto

Mon 5/12

12:20 pm-2:15 pm

1 stop31h 55m

$564

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 5/11

1:22 pm-11:40 am

2 stops16h 18m

Porto

Wed 5/21

8:35 pm-2:15 pm

1 stop23h 40m

$565

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 5/6

5:10 pm-3:30 pm

1 stop16h 20m

Porto

Tue 5/13

6:20 am-2:10 pm

1 stop13h 50m

$569

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 5/5

6:45 pm-3:30 pm

2 stops38h 45m

Porto

Tue 5/13

6:20 am-5:45 pm

2 stops17h 25m

$584

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 9/3

4:30 pm-11:40 am

1 stop13h 10m

Porto

Tue 9/9

8:15 am-2:15 pm

1 stop12h 00m

$587

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 5/7

4:50 pm-3:35 pm

1 stop16h 45m

Porto

Wed 5/14

6:20 am-4:30 pm

2 stops16h 10m

$588

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 9/26

6:00 pm-10:55 pm

1 stop22h 55m

Porto

Wed 10/1

6:00 pm-12:35 pm

1 stop24h 35m

$594

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 9/3

11:25 am-3:50 pm

1 stop22h 25m

Porto

Tue 9/9

4:50 pm-9:40 am

1 stop22h 50m

$603

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 5/11

2:20 pm-6:15 pm

1 stop21h 55m

Porto

Wed 5/21

12:20 pm-3:55 pm

1 stop33h 35m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 33 results
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Best time to book a flight from Michigan to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Michigan 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 Michigan to Porto

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

Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,081). 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 MI to OPO?

Find hourly flight availability from Michigan 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 April 2, 2025.

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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

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.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

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).

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 April 2, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Michigan to Porto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Michigan 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 Michigan?

    Porto (OPO) is the airport you will fly into if you book a flight from Michigan to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • What are the cheapest airlines to fly from Michigan to Porto one-way?

    One-way options have recently been found by users for as low as $491 on Air Canada. Other airlines that offer cheap prices include SWISS from $543 and United Airlines from $549 one-way.

  • What are the most popular routes from Michigan to Porto?

    While some choose either Chicago Midway - Porto or Grand Rapids Gerald R. Ford Intl - Porto, Chicago O'Hare Intl - Porto is the most popular route from Michigan to Porto.

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

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

  • How can I find direct flights from Michigan to Porto?

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

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

    Yes. Cheapflights offers flight deals from Michigan 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 Michigan to Porto?

    Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,081). 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 Michigan?

Book flights to Michigan if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Michigan to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Michigan to Porto

Discover the top 3 airlines that operate flights from Michigan 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$568Average$963FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$811Average$1,304FlexibilityNo cancel feeOn-time69%
DeltaCheapest$843Average$1,073FlexibilityNo cancel feeOn-timeN/A

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