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

Iberia, Icelandair, and Air France are the most popular carriers operating from Michigan to Portugal

How long is the flight from Michigan to Portugal?

Average flight duration from Michigan to Portugal depends on which airport you fly into and out of. Flying from Grand Rapids to Lisbon is 9h 39m on average, while flying from Detroit to Lisbon is 10h 05m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portugal from Michigan according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 10 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

How many flights depart from Michigan to Portugal on average per week?

2 flights are operational weekly from Michigan to Portugal as of December 2025. The most popular departure day for this route is Fri, with 100% of flights per week taking off on this day.

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

Prices for flights from Michigan to Portugal are refreshed on a daily basis.

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

As of December 2025, there are 18 operators available to choose from for flights from Michigan to Portugal.

How old do you have to be to fly from Michigan to Portugal?

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 Portugal.

What documentation or ID do you need to fly to Portugal?

The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$242 Cheap Flights from Michigan to Portugal in 2025/26

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Find the cheapest flights from Michigan to Portugal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:45 pm - 6:30 pm

ORD

OPO

20h 45m2 stops

12:05 pm - 12:45 pm

OPO

ORD

30h 40m1 stop

$442SWISS

Tue, Feb 24 - Tue, Mar 3

5:55 pm - 12:05 pm

ORD

OPO

12h 10m1 stop

1:45 pm - 6:25 pm

OPO

ORD

34h 40m1 stop

$456Multiple Airlines

Mon, Jan 19 - Mon, Jan 26

5:55 pm - 12:05 pm

ORD

OPO

12h 10m1 stop

7:25 pm - 12:45 pm

OPO

ORD

23h 20m1 stop

$460Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

5:55 pm - 12:05 pm

ORD

OPO

12h 10m1 stop

12:55 pm - 12:10 pm

OPO

ORD

29h 15m1 stop

$467Brussels Airlines

Mon, Feb 23 - Mon, Mar 2

7:10 pm - 10:50 am

ORD

FAO

33h 40m1 stop

12:00 pm - 4:45 pm

FAO

ORD

58h 45m2 stops

$471Scandinavian Airlines

Sun, Jan 18 - Sat, Jan 31

7:10 pm - 10:00 pm

ORD

OPO

20h 50m1 stop

6:55 am - 3:00 pm

OPO

ORD

14h 05m1 stop

$472TAP AIR PORTUGAL

Wed, Feb 4 - Wed, Feb 11

8:25 pm - 11:50 pm

ORD

FAO

21h 25m1 stop

6:05 am - 2:45 pm

FAO

ORD

14h 40m1 stop

$484TAP AIR PORTUGAL

Sun, Feb 1 - Sun, Feb 8

5:39 pm - 3:10 pm

ORD

LIS

16h 31m2 stops

5:00 am - 2:30 pm

LIS

ORD

15h 30m1 stop

$490Delta

Mon, Mar 23 - Wed, Apr 1

1:57 pm - 3:10 pm

ORD

LIS

19h 13m2 stops

11:25 am - 2:20 pm

LIS

ORD

32h 55m1 stop

$491Delta

Tue, Jan 6 - Thu, Jan 15

7:20 pm - 4:05 pm

ORD

LIS

14h 45m1 stop

4:55 pm - 4:55 pm

LIS

ORD

30h 00m1 stop

$499Scandinavian Airlines

Sat, Jan 17 - Wed, Jan 28

Delta flights from Michigan to Portugal

Our best Delta deals on Michigan to Portugal flight tickets

Delta

Mar 23

ORD5:39 pmChicago O'Hare Intl

16h 31m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Mar 31

LIS11:55 amLisbon Humberto Delgado

32h 35m

1 stop

ORD2:30 pmChicago O'Hare Intl

$490

Find similar

Delta

Jan 6

ORD2:30 pmChicago O'Hare Intl

18h 40m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Jan 14

LIS5:00 amLisbon Humberto Delgado

15h 20m

1 stop

ORD2:20 pmChicago O'Hare Intl

$491

Find similar

Delta

Jan 7

ORD4:25 pmChicago O'Hare Intl

12h 10m

1 stop

LIS10:35 amLisbon Humberto Delgado

Jan 14

LIS5:00 amLisbon Humberto Delgado

15h 20m

1 stop

ORD2:20 pmChicago O'Hare Intl

$492

Find similar

United Airlines flights from Michigan to Portugal

Our best United Airlines deals on Michigan to Portugal flight tickets

United Airlines

Feb 25

GRR9:15 amGrand Rapids Gerald R. Ford Intl

41h 40m

3 stops

LIS7:55 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

29h 49m

2 stops

GRR12:09 pmGrand Rapids Gerald R. Ford Intl

$490

Find similar

United Airlines

Feb 25

GRR4:56 pmGrand Rapids Gerald R. Ford Intl

12h 19m

2 stops

LIS10:15 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

29h 49m

2 stops

GRR12:09 pmGrand Rapids Gerald R. Ford Intl

$491

Find similar

United Airlines

Jan 23

GRR9:00 amGrand Rapids Gerald R. Ford Intl

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

20h 18m

2 stops

GRR8:18 pmGrand Rapids Gerald R. Ford Intl

$499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 2/24

3:45 pm-6:30 pm

2 stops20h 45m

Porto

Tue 3/3

12:05 pm-12:45 pm

1 stop30h 40m

$442

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 1/19

5:55 pm-12:05 pm

1 stop12h 10m

Porto

Mon 1/26

1:45 pm-6:25 pm

1 stop34h 40m

$456

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 2/24

5:55 pm-12:05 pm

1 stop12h 10m

Porto

Tue 3/3

7:25 pm-12:45 pm

1 stop23h 20m

$460

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 2/23

5:55 pm-12:05 pm

1 stop12h 10m

Porto

Mon 3/2

12:55 pm-12:10 pm

1 stop29h 15m

$467

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 1/18

7:10 pm-10:50 am

1 stop33h 40m

Faro

Sat 1/31

12:00 pm-4:45 pm

2 stops58h 45m

$471

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

7:10 pm-10:00 pm

1 stop20h 50m

Porto

Wed 2/11

6:55 am-3:00 pm

1 stop14h 05m

$472

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 2/1

8:25 pm-11:50 pm

1 stop21h 25m

Faro

Sun 2/8

6:05 am-2:45 pm

1 stop14h 40m

$484

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/23

5:39 pm-3:10 pm

2 stops16h 31m

Lisbon Humberto Delgado

Wed 4/1

5:00 am-2:30 pm

1 stop15h 30m

$490

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 1/6

1:57 pm-3:10 pm

2 stops19h 13m

Lisbon Humberto Delgado

Thu 1/15

11:25 am-2:20 pm

1 stop32h 55m

$491

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 1/17

7:20 pm-4:05 pm

1 stop14h 45m

Lisbon Humberto Delgado

Wed 1/28

4:55 pm-4:55 pm

1 stop30h 00m

$499

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 Portugal

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

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Michigan is in November. Flight prices, which tend to average around $652, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Michigan during January instead. Flights to Portugal in January, while not as cheap as those in November, still average around $721.

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

According to our data, Wednesday is the cheapest day to fly to Portugal from Michigan. The lowest ticket price found for a Wednesday departure recently was $764. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,028.

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

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Michigan to Portugal during this time can be as low as $881. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $967 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $900 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Michigan for as low as $753 on momondo.

Can stopping save me money on Michigan to Portugal flights?

You could potentially save up to 15% on your flight if you consider stops on a Michigan to Portugal flight.

Cheap Michigan to Portugal flight deals and tips

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

Fastest flight time	7h 55m
Direct flights	Mon, Thu, Sat and Sun
Airports in Portugal	99 airports

The fastest flight from Michigan to Portugal takes 7h 55m

Direct flights go from Michigan to Portugal on Monday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 99 airports in Portugal. From Michigan there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

When did momondo last update prices for flights from Michigan to Portugal?
Prices for flights from Michigan to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Michigan to Portugal?
As of December 2025, there are 18 operators available to choose from for flights from Michigan to Portugal.
How old do you have to be to fly from Michigan to Portugal?
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 Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Michigan to Portugal

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $441	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Turkish Airlines	PriceFrom $559	Free Cancellation	Rating 7.3 4,108 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,097 reviews	Search United Airlines flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Air France	PriceFrom $579	Free Cancellation	Rating 7.4 1,509 reviews	Search Air France flights
British Airways	PriceFrom $603	Free Cancellation	Rating 6.7 7,597 reviews	Search British Airways flights
Lufthansa	PriceFrom $608	Free Cancellation	Rating 6.8 7,639 reviews	Search Lufthansa flights
American Airlines	PriceFrom $609	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Air Canada	PriceFrom $652	Free Cancellation	Rating 7.1 10,549 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom $694	Free Cancellation	Rating 7.2 2,093 reviews	Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from Michigan to Portugal?

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 Portugal for you.

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

Flights from Michigan to Portugal 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 Portugal?

Once all potential Michigan to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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