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

TAP AIR PORTUGAL, United Airlines, and Air Canada 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 44% 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 August 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.

$249 Cheap Flights from Michigan to Porto in 2025

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Find the cheapest flights from Michigan to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

7:15 am - 6:30 pmORD-OPO

29h 15m2 stops

12:05 pm - 4:20 pmOPO-ORD

34h 15m1 stop

$476

Find Deal

Tue, Nov 4 - Tue, Nov 18

5:31 pm - 9:30 amORD-OPO

9h 59m1 stop

6:00 am - 1:10 pmOPO-ORD

13h 10m1 stop

$484United Airlines

Find Deal

Wed, Nov 12 - Tue, Nov 25

8:10 pm - 6:00 pmORD-OPO

16h 50m1 stop

6:55 am - 3:00 pmOPO-ORD

14h 05m1 stop

$493TAP AIR PORTUGAL

Find Deal

Wed, Oct 29 - Sun, Nov 9

6:00 pm - 6:55 pmORD-OPO

18h 55m1 stop

7:00 am - 4:10 pmOPO-ORD

15h 10m1 stop

$505TAP AIR PORTUGAL

Find Deal

Thu, Oct 9 - Fri, Oct 24

12:50 pm - 1:10 pmORD-OPO

18h 20m2 stops

6:00 am - 10:05 pmOPO-ORD

22h 05m2 stops

$508Air Canada

Find Deal

Wed, Nov 12 - Tue, Nov 25

9:40 am - 11:45 amORD-OPO

20h 05m2 stops

8:40 pm - 5:38 pmOPO-ORD

26h 58m2 stops

$513Iberia

Find Deal

Wed, Nov 5 - Wed, Nov 12

8:40 am - 11:25 amORD-OPO

20h 45m2 stops

6:00 am - 8:11 pmOPO-ORD

20h 11m2 stops

$544Air Canada

Find Deal

Mon, Oct 13 - Tue, Oct 21

10:50 pm - 11:45 pmORD-OPO

19h 55m1 stop

6:00 am - 1:10 pmOPO-ORD

13h 10m1 stop

$550Lufthansa

Find Deal

Wed, Oct 29 - Sun, Nov 9

4:20 pm - 11:40 amORD-OPO

13h 20m1 stop

6:00 am - 1:10 pmOPO-ORD

13h 10m1 stop

$556Lufthansa

Find Deal

Wed, Jan 14 - Sat, Jan 24

5:40 pm - 11:45 amORD-OPO

13h 05m2 stops

8:40 pm - 9:05 amOPO-ORD

42h 25m2 stops

$582Iberia

Find Deal

Wed, Oct 29 - Sun, Nov 9

SWISS flights from Michigan to Porto

Our best SWISS deals on Michigan to Porto flight tickets

SWISS

Oct 20

ORD7:05 pmChicago O'Hare Intl

16h 20m

2 stops

OPO5:25 pmPorto

Nov 2

OPO6:35 pmPorto

51h 45m

2 stops

ORD4:20 pmChicago O'Hare Intl

$581

Find similar

SWISS

Oct 29

ORD7:50 pmChicago O'Hare Intl

31h 05m

2 stops

OPO7:55 amPorto

Nov 9

OPO6:35 pmPorto

51h 45m

2 stops

ORD4:20 pmChicago O'Hare Intl

$587

Find similar

SWISS

Oct 29

ORD7:50 pmChicago O'Hare Intl

31h 05m

2 stops

OPO7:55 amPorto

Nov 9

OPO6:35 pmPorto

51h 45m

2 stops

ORD4:20 pmChicago O'Hare Intl

$588

Find similar

KLM flights from Michigan to Porto

Our best KLM deals on Michigan to Porto flight tickets

KLM

Sep 29

MDW7:15 pmChicago Midway

14h 20m

2 stops

OPO3:35 pmPorto

Oct 7

OPO6:15 amPorto

18h 10m

2 stops

MDW6:25 pmChicago Midway

$670

Find similar

KLM

Dec 3

MDW9:30 amChicago Midway

19h 00m

2 stops

OPO10:30 amPorto

Dec 7

OPO6:30 amPorto

42h 06m

2 stops

MDW6:36 pmChicago Midway

$672

Find similar

KLM

Sep 16

MDW7:15 pmChicago Midway

14h 20m

2 stops

OPO3:35 pmPorto

Oct 22

OPO6:15 amPorto

17h 28m

2 stops

MDW5:43 pmChicago Midway

$764

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/4

7:15 am-6:30 pm

2 stops29h 15m

Porto

Tue 11/18

12:05 pm-4:20 pm

1 stop34h 15m

$476

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/12

5:31 pm-9:30 am

1 stop9h 59m

Porto

Tue 11/25

6:00 am-1:10 pm

1 stop13h 10m

$484

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 10/29

8:10 pm-6:00 pm

1 stop16h 50m

Porto

Sun 11/9

6:55 am-3:00 pm

1 stop14h 05m

$493

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 10/9

6:00 pm-6:55 pm

1 stop18h 55m

Porto

Fri 10/24

7:00 am-4:10 pm

1 stop15h 10m

$505

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/12

12:50 pm-1:10 pm

2 stops18h 20m

Porto

Tue 11/25

6:00 am-10:05 pm

2 stops22h 05m

$508

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/5

9:40 am-11:45 am

2 stops20h 05m

Porto

Wed 11/12

8:40 pm-5:38 pm

2 stops26h 58m

$513

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 10/13

8:40 am-11:25 am

2 stops20h 45m

Porto

Tue 10/21

6:00 am-8:11 pm

2 stops20h 11m

$544

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 10/29

10:50 pm-11:45 pm

1 stop19h 55m

Porto

Sun 11/9

6:00 am-1:10 pm

1 stop13h 10m

$550

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 1/14

4:20 pm-11:40 am

1 stop13h 20m

Porto

Sat 1/24

6:00 am-1:10 pm

1 stop13h 10m

$556

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 10/29

5:40 pm-11:45 am

2 stops13h 05m

Porto

Sun 11/9

8:40 pm-9:05 am

2 stops42h 25m

$582

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 16% 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

Best Price Found	$249
Fastest flight time	9h 59m
Direct flights	None
Airports in Porto	1 airport

The best one-way flight to Porto from Michigan in the past 72 hours is $249. The best round-trip flight deal from Michigan to Porto found on momondo in the last 72 hours is $476.

The fastest flight from Michigan to Porto takes 9h 59m

There are no direct flights from Michigan to Porto. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Porto Airport, Chicago Midway Airport - Porto Airport and Grand Rapids Gerald R. Ford Intl Airport - Porto Airport.

There is 1 airport near Porto: Porto (OPO)

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 August 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 8.0 7,985 reviews	Search Delta flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
United Airlines	PriceFrom $790	Free Cancellation	Rating 7.4 8,905 reviews	Search United Airlines flights

Aveiro

Vila Nova de Gaia

Coimbra

Matosinhos

Braga

Caminha

Guimarães

Chaves

Esposende

Lamego

Arcos de Valdevez

Espinho

Viseu

Ponte de Lima

Santa Maria da Feira

Curia

Penafiel

Mesao Frio

Pinhao

Baiao

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.