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 54% 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.

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

TAP AIR PORTUGAL, United Airlines, and KLM 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 November 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.

$262 Cheap Flights from Michigan to Porto in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

7:00 am - 11:00 amORD-OPO

22h 00m2 stops

5:55 pm - 4:10 pmOPO-ORD

28h 15m1 stop

$421Scandinavian Airlines

Find Deal

mar., abr. 14 - dom., abr. 19

7:10 pm - 5:00 pmORD-OPO

15h 50m1 stop

4:55 pm - 2:45 pmOPO-ORD

27h 50m1 stop

$425TAP AIR PORTUGAL

Find Deal

mié., ene. 14 - sáb., ene. 24

7:05 am - 11:15 amORD-OPO

22h 10m2 stops

12:30 pm - 8:05 pmOPO-ORD

13h 35m1 stop

$455Multiple Airlines

Find Deal

mar., dic. 2 - mié., dic. 10

12:50 pm - 12:50 pmORD-OPO

18h 00m2 stops

6:00 am - 1:10 pmOPO-ORD

13h 10m1 stop

$459Multiple Airlines

Find Deal

lun., nov. 17 - mar., nov. 25

6:50 pm - 6:35 pmORD-OPO

17h 45m1 stop

12:05 pm - 5:20 pmOPO-ORD

34h 15m1 stop

$463SWISS

Find Deal

lun., feb. 23 - lun., mar. 9

6:50 pm - 6:35 pmORD-OPO

17h 45m1 stop

12:05 pm - 4:20 pmOPO-ORD

34h 15m1 stop

$469SWISS

Find Deal

mié., feb. 11 - lun., feb. 16

4:10 pm - 9:30 amORD-OPO

11h 20m1 stop

6:00 am - 3:20 pmOPO-ORD

15h 20m1 stop

$474United Airlines

Find Deal

dom., feb. 22 - vie., mar. 6

5:20 pm - 10:30 amORD-OPO

11h 10m1 stop

11:15 am - 2:20 pmOPO-ORD

33h 05m1 stop

$477Delta

Find Deal

lun., feb. 23 - mar., mar. 3

11:15 am - 9:30 amORD-OPO

16h 15m2 stops

6:00 am - 3:20 pmOPO-ORD

15h 20m1 stop

$478United Airlines

Find Deal

dom., feb. 22 - vie., mar. 6

5:20 pm - 10:30 amORD-OPO

11h 10m1 stop

11:15 am - 9:27 amOPO-ORD

28h 12m2 stops

$487Delta

Find Deal

dom., feb. 22 - mar., mar. 3

SWISS flights from Michigan to Porto

Our best SWISS deals on Michigan to Porto flight tickets

SWISS

Feb 23

ORD6:50 pmChicago O'Hare Intl

17h 45m

1 stop

OPO6:35 pmPorto

Mar 9

OPO12:05 pmPorto

34h 15m

1 stop

ORD5:20 pmChicago O'Hare Intl

$463

Find similar

SWISS

Feb 11

ORD6:50 pmChicago O'Hare Intl

17h 45m

1 stop

OPO6:35 pmPorto

Feb 16

OPO12:05 pmPorto

34h 15m

1 stop

ORD4:20 pmChicago O'Hare Intl

$469

Find similar

SWISS

Feb 23

ORD6:50 pmChicago O'Hare Intl

36h 35m

2 stops

OPO1:25 pmPorto

Mar 9

OPO7:20 pmPorto

27h 00m

1 stop

ORD5:20 pmChicago O'Hare Intl

$516

Find similar

TAP AIR PORTUGAL flights from Michigan to Porto

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

TAP AIR PORTUGAL

Nov 12

ORD7:10 pmChicago O'Hare Intl

13h 55m

1 stop

OPO3:05 pmPorto

Nov 19

OPO8:55 amPorto

12h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$425

Find similar

TAP AIR PORTUGAL

Nov 12

ORD7:10 pmChicago O'Hare Intl

15h 50m

1 stop

OPO5:00 pmPorto

Nov 18

OPO6:00 pmPorto

27h 00m

1 stop

ORD3:00 pmChicago O'Hare Intl

$440

Find similar

TAP AIR PORTUGAL

Nov 12

ORD7:10 pmChicago O'Hare Intl

32h 45m

1 stop

OPO9:55 amPorto

Nov 19

OPO8:55 amPorto

12h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$444

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 4/14

7:00 am-11:00 am

2 stops22h 00m

Porto

dom. 4/19

5:55 pm-4:10 pm

1 stop28h 15m

$421

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 1/14

7:10 pm-5:00 pm

1 stop15h 50m

Porto

sáb. 1/24

4:55 pm-2:45 pm

1 stop27h 50m

$425

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 12/2

7:05 am-11:15 am

2 stops22h 10m

Porto

mié. 12/10

12:30 pm-8:05 pm

1 stop13h 35m

$455

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 11/17

12:50 pm-12:50 pm

2 stops18h 00m

Porto

mar. 11/25

6:00 am-1:10 pm

1 stop13h 10m

$459

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 2/23

6:50 pm-6:35 pm

1 stop17h 45m

Porto

lun. 3/9

12:05 pm-5:20 pm

1 stop34h 15m

$463

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 2/11

6:50 pm-6:35 pm

1 stop17h 45m

Porto

lun. 2/16

12:05 pm-4:20 pm

1 stop34h 15m

$469

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 2/22

4:10 pm-9:30 am

1 stop11h 20m

Porto

vie. 3/6

6:00 am-3:20 pm

1 stop15h 20m

$474

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 2/23

5:20 pm-10:30 am

1 stop11h 10m

Porto

mar. 3/3

11:15 am-2:20 pm

1 stop33h 05m

$477

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 2/22

11:15 am-9:30 am

2 stops16h 15m

Porto

vie. 3/6

6:00 am-3:20 pm

1 stop15h 20m

$478

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 2/22

5:20 pm-10:30 am

1 stop11h 10m

Porto

mar. 3/3

11:15 am-9:27 am

2 stops28h 12m

$487

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 November 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 8,002 reviews	Search Delta flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
United Airlines	PriceFrom $738	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights

Vila Nova de Gaia

Coimbra

Aveiro

Matosinhos

Braga

Lamego

Guimarães

Esposende

Chaves

Espinho

Viseu

Ponte de Lima

Arcos de Valdevez

Pinhao

Curia

Penafiel

Mesao Frio

Mira

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.