What airlines fly to Porto?

United Airlines, Delta and KLM are the top three most popular airlines that fly to Porto from Michigan according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 4 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Michigan to Porto?

Iberia, Air France, and Delta are the most popular carriers operating from Michigan to Porto

When did momondo last update prices for flights from Michigan to Porto Airport?

Prices for flights from Michigan to Porto Airport refresh daily.

How many operators does momondo search for flights from Michigan to Porto Airport?

The number of operators available for flights from Michigan to Porto Airport is 10 as of December 2025.

How old do you have to be to fly from Michigan to Porto Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Michigan to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$290 Cheap Flights from Michigan to Porto in 2025/26

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Find the cheapest flights from Michigan to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 1:05 pm

ORD

OPO

11h 55m1 stop

6:55 am - 3:00 pm

OPO

ORD

14h 05m1 stop

$462TAP AIR PORTUGAL

Wed, Feb 11 - Wed, Mar 4

7:10 pm - 10:00 pm

ORD

OPO

20h 50m1 stop

8:55 am - 3:00 pm

OPO

ORD

12h 05m1 stop

$472TAP AIR PORTUGAL

Wed, Feb 4 - Wed, Feb 11

8:15 pm - 10:00 pm

ORD

OPO

19h 45m1 stop

6:00 pm - 3:25 pm

OPO

ORD

27h 25m1 stop

$482TAP AIR PORTUGAL

Fri, Jan 16 - Thu, Jan 22

4:10 pm - 11:15 am

ORD

OPO

13h 05m1 stop

12:05 pm - 4:20 pm

OPO

ORD

34h 15m1 stop

$483SWISS

Mon, Feb 2 - Mon, Feb 9

12:50 pm - 12:05 pm

ORD

OPO

17h 15m2 stops

6:00 am - 1:10 pm

OPO

ORD

13h 10m1 stop

$505Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

12:50 pm - 11:40 am

GRR

OPO

17h 50m2 stops

6:00 am - 10:00 pm

OPO

GRR

21h 00m2 stops

$506United Airlines

Fri, Jan 30 - Tue, Feb 3

6:50 pm - 5:25 pm

ORD

OPO

16h 35m2 stops

12:05 pm - 4:20 pm

OPO

ORD

34h 15m1 stop

$517SWISS

Mon, Feb 2 - Mon, Feb 9

12:48 pm - 10:30 am

MDW

OPO

15h 42m2 stops

4:10 pm - 5:45 pm

OPO

MDW

31h 35m2 stops

$590Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

12:47 pm - 10:30 am

MDW

OPO

16h 43m2 stops

5:00 am - 5:55 pm

OPO

MDW

18h 55m2 stops

$592Delta

Tue, Mar 17 - Tue, Mar 31

5:59 pm - 3:30 pm

MDW

OPO

15h 31m2 stops

5:00 am - 6:31 pm

OPO

MDW

19h 31m2 stops

$689Delta

Wed, Apr 15 - Tue, Apr 21

TAP AIR PORTUGAL flights from Michigan to Porto

Our best TAP AIR PORTUGAL deals on Michigan to Porto flight tickets

TAP AIR PORTUGAL

Feb 11

ORD7:10 pmChicago O'Hare Intl

11h 55m

1 stop

OPO1:05 pmPorto

Mar 4

OPO6:55 amPorto

14h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$462

Find similar

TAP AIR PORTUGAL

Feb 4

ORD7:10 pmChicago O'Hare Intl

20h 50m

1 stop

OPO10:00 pmPorto

Feb 11

OPO8:55 amPorto

12h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$472

Find similar

TAP AIR PORTUGAL

Jan 16

ORD8:15 pmChicago O'Hare Intl

19h 45m

1 stop

OPO10:00 pmPorto

Jan 22

OPO6:00 pmPorto

27h 25m

1 stop

ORD3:25 pmChicago O'Hare Intl

$482

Find similar

SWISS flights from Michigan to Porto

Our best SWISS deals on Michigan to Porto flight tickets

SWISS

Feb 2

ORD4:10 pmChicago O'Hare Intl

13h 05m

1 stop

OPO11:15 amPorto

Feb 9

OPO12:05 pmPorto

34h 15m

1 stop

ORD4:20 pmChicago O'Hare Intl

$483

Find similar

SWISS

Feb 2

ORD6:50 pmChicago O'Hare Intl

16h 35m

2 stops

OPO5:25 pmPorto

Feb 9

OPO12:05 pmPorto

34h 15m

1 stop

ORD4:20 pmChicago O'Hare Intl

$517

Find similar

SWISS

Jan 16

ORD5:50 pmChicago O'Hare Intl

39h 25m

2 stops

OPO3:15 pmPorto

Jan 22

OPO12:05 pmPorto

30h 40m

1 stop

ORD12:45 pmChicago O'Hare Intl

$525

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/11

7:10 pm-1:05 pm

1 stop11h 55m

Porto

Wed 3/4

6:55 am-3:00 pm

1 stop14h 05m

$462

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

7:10 pm-10:00 pm

1 stop20h 50m

Porto

Wed 2/11

8:55 am-3:00 pm

1 stop12h 05m

$472

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 1/16

8:15 pm-10:00 pm

1 stop19h 45m

Porto

Thu 1/22

6:00 pm-3:25 pm

1 stop27h 25m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 2/2

4:10 pm-11:15 am

1 stop13h 05m

Porto

Mon 2/9

12:05 pm-4:20 pm

1 stop34h 15m

$483

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 2/2

12:50 pm-12:05 pm

2 stops17h 15m

Porto

Mon 2/9

6:00 am-1:10 pm

1 stop13h 10m

$505

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Fri 1/30

12:50 pm-11:40 am

2 stops17h 50m

Porto

Tue 2/3

6:00 am-10:00 pm

2 stops21h 00m

$506

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 2/2

6:50 pm-5:25 pm

2 stops16h 35m

Porto

Mon 2/9

12:05 pm-4:20 pm

1 stop34h 15m

$517

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/4

12:48 pm-10:30 am

2 stops15h 42m

Porto

Wed 2/11

4:10 pm-5:45 pm

2 stops31h 35m

$590

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 3/17

12:47 pm-10:30 am

2 stops16h 43m

Porto

Tue 3/31

5:00 am-5:55 pm

2 stops18h 55m

$592

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 4/15

5:59 pm-3:30 pm

2 stops15h 31m

Porto

Tue 4/21

5:00 am-6:31 pm

2 stops19h 31m

$689

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Michigan to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Michigan, with most prices found around $602. If you aren’t able to travel during the month of January, then book flights to Porto from Michigan during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $607.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $941. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,218. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from Michigan to Porto when you can find flight prices for as low as $1,014. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,108 on average. Flights to Porto from Michigan in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Michigan to Porto flights?

You could potentially save up to 1% on your flight if you consider stops on a Michigan to Porto flight.

Cheap Michigan to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Michigan to Porto

Fastest flight time	11h 00m
Direct flights	None

The fastest flight from Michigan to Porto takes 11h 00m

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

Search flight deals

When did momondo last update prices for flights from Michigan to Porto Airport?
Prices for flights from Michigan to Porto Airport refresh daily.
How many operators does momondo search for flights from Michigan to Porto Airport?
The number of operators available for flights from Michigan to Porto Airport is 10 as of December 2025.
How old do you have to be to fly from Michigan to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Michigan to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Michigan to Porto

Compare and see reviews for airlines that fly from Michigan to Porto with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $441	Free Cancellation	Rating 7.9 8,021 reviews	Search Delta flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.7 1,429 reviews	Search KLM flights
Lufthansa	PriceFrom $694	Free Cancellation	Rating 6.8 7,639 reviews	Search Lufthansa flights
United Airlines	PriceFrom $714	Free Cancellation	Rating 7.4 9,100 reviews	Search United Airlines flights

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Esposende

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Pinhao

Curia

Penafiel

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Mira

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Why use momondo?

Why should I use momondo to find a flight deal from Michigan 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 Michigan to Porto for you.

Can I find flights from Michigan to Porto with flexible booking policies on momondo?

Flights from Michigan 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 Michigan to Porto?

Once you have performed a search for Michigan to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Michigan to Porto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Michigan and alert you when they change.