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

TAP AIR PORTUGAL, British Airways, and American Airlines are the most popular carriers operating from Michigan to Porto

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 53% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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 September 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.

$228 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

12:50 pm - 1:15 pmORD-OPO

18h 25m2 stops

12:10 pm - 4:20 pmOPO-ORD

34h 10m1 stop

$435Multiple Airlines

Find Deal

mié., nov. 5 - mié., nov. 12

1:36 pm - 9:30 amORD-OPO

14h 54m1 stop

12:35 pm - 11:43 pmOPO-ORD

17h 08m2 stops

$436United Airlines

Find Deal

lun., oct. 27 - mié., nov. 12

4:45 pm - 11:45 amORD-OPO

13h 00m1 stop

8:20 am - 2:30 pmOPO-ORD

12h 10m1 stop

$440Iberia

Find Deal

mié., nov. 5 - mié., nov. 12

4:45 pm - 8:00 pmORD-OPO

21h 15m1 stop

8:20 am - 2:30 pmOPO-ORD

12h 10m1 stop

$445Iberia

Find Deal

mié., nov. 5 - mié., nov. 12

6:50 pm - 11:15 amORD-OPO

34h 25m1 stop

12:05 pm - 4:20 pmOPO-ORD

34h 15m1 stop

$453SWISS

Find Deal

mar., nov. 25 - mar., dic. 2

6:50 pm - 11:15 amORD-OPO

34h 25m1 stop

12:05 pm - 4:20 pmOPO-ORD

34h 15m1 stop

$454SWISS

Find Deal

mar., nov. 25 - mar., dic. 2

7:15 am - 11:15 amORD-OPO

22h 00m2 stops

6:00 am - 1:01 pmOPO-ORD

37h 01m2 stops

$472Air Canada

Find Deal

mar., nov. 25 - mié., dic. 3

9:35 am - 10:30 amORD-OPO

18h 55m2 stops

11:25 am - 7:55 amOPO-ORD

26h 30m2 stops

$478Delta

Find Deal

lun., nov. 24 - mié., dic. 3

10:30 am - 10:30 amORD-OPO

19h 00m2 stops

6:00 am - 9:53 pmOPO-ORD

21h 53m2 stops

$479Delta

Find Deal

lun., oct. 27 - mié., nov. 12

7:15 am - 11:15 amORD-OPO

22h 00m2 stops

6:00 am - 8:05 amOPO-ORD

32h 05m2 stops

$480Air Canada

Find Deal

mar., nov. 25 - mar., dic. 2

Delta flights from Michigan to Porto

Our best Delta deals on Michigan to Porto flight tickets

Delta

Nov 24

ORD9:35 amChicago O'Hare Intl

18h 55m

2 stops

OPO10:30 amPorto

Dec 3

OPO11:25 amPorto

26h 30m

2 stops

ORD7:55 amChicago O'Hare Intl

$478

Find similar

Delta

Oct 27

ORD10:30 amChicago O'Hare Intl

19h 00m

2 stops

OPO10:30 amPorto

Nov 12

OPO6:00 amPorto

21h 53m

2 stops

ORD9:53 pmChicago O'Hare Intl

$479

Find similar

Delta

Nov 5

MDW10:40 amChicago Midway

17h 50m

2 stops

OPO10:30 amPorto

Nov 12

OPO11:15 amPorto

18h 17m

2 stops

MDW11:32 pmChicago Midway

$492

Find similar

United Airlines flights from Michigan to Porto

Our best United Airlines deals on Michigan to Porto flight tickets

United Airlines

Oct 27

ORD1:36 pmChicago O'Hare Intl

14h 54m

1 stop

OPO9:30 amPorto

Nov 12

OPO12:35 pmPorto

17h 08m

2 stops

ORD11:43 pmChicago O'Hare Intl

$436

Find similar

United Airlines

Mar 3

ORD2:00 pmChicago O'Hare Intl

13h 30m

2 stops

OPO9:30 amPorto

Mar 17

OPO12:35 pmPorto

12h 57m

1 stop

ORD8:32 pmChicago O'Hare Intl

$448

Find similar

United Airlines

Nov 26

ORD2:30 pmChicago O'Hare Intl

13h 00m

1 stop

OPO9:30 amPorto

Dec 3

OPO6:00 amPorto

13h 10m

1 stop

ORD1:10 pmChicago O'Hare Intl

$450

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 11/5

12:50 pm-1:15 pm

2 stops18h 25m

Porto

mié. 11/12

12:10 pm-4:20 pm

1 stop34h 10m

$435

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 10/27

1:36 pm-9:30 am

1 stop14h 54m

Porto

mié. 11/12

12:35 pm-11:43 pm

2 stops17h 08m

$436

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 11/5

4:45 pm-11:45 am

1 stop13h 00m

Porto

mié. 11/12

8:20 am-2:30 pm

1 stop12h 10m

$440

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 11/5

4:45 pm-8:00 pm

1 stop21h 15m

Porto

mié. 11/12

8:20 am-2:30 pm

1 stop12h 10m

$445

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 11/25

6:50 pm-11:15 am

1 stop34h 25m

Porto

mar. 12/2

12:05 pm-4:20 pm

1 stop34h 15m

$453

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 11/25

6:50 pm-11:15 am

1 stop34h 25m

Porto

mar. 12/2

12:05 pm-4:20 pm

1 stop34h 15m

$454

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 11/25

7:15 am-11:15 am

2 stops22h 00m

Porto

mié. 12/3

6:00 am-1:01 pm

2 stops37h 01m

$472

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 11/24

9:35 am-10:30 am

2 stops18h 55m

Porto

mié. 12/3

11:25 am-7:55 am

2 stops26h 30m

$478

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 10/27

10:30 am-10:30 am

2 stops19h 00m

Porto

mié. 11/12

6:00 am-9:53 pm

2 stops21h 53m

$479

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 11/25

7:15 am-11:15 am

2 stops22h 00m

Porto

mar. 12/2

6:00 am-8:05 am

2 stops32h 05m

$480

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 9% 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

Direct flights	None

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 September 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 7,964 reviews	Search Delta flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
United Airlines	PriceFrom $739	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Vila Nova de Gaia

Aveiro

Coimbra

Braga

Matosinhos

Caminha

Guimarães

Esposende

Lamego

Chaves

Espinho

Arcos de Valdevez

Viseu

Ponte de Lima

Pinhao

Santa Maria da Feira

Curia

Penafiel

Mesao Frio

Mira

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.