What airlines fly to Portugal?

United Airlines, Delta and WestJet are the top three most popular airlines that fly to Portugal from Detroit according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

Iberia, Air France, and British Airways are the most popular carriers operating from Detroit to Portugal

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

Prices for flights from Detroit to Portugal are updated daily.

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

There are 9 operators available for flights from Detroit to Portugal as of October 2026.

How old do you have to be to fly from Detroit 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 Detroit to Portugal.

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

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$333 Cheap Flights from Detroit to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 pm - 11:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

22h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 2:15 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 15m1 stop Frankfurt am Main

$696Lufthansa

Tue, Apr 13 - Wed, Apr 21

2:48 pm - 4:00 pmDTW Detroit Metropolitan Wayne County-OPO Porto

20h 12m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

6:00 am - 2:15 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 15m1 stop Frankfurt am Main

$697Multiple Airlines

Tue, Apr 13 - Wed, Apr 21

4:10 pm - 3:40 pmDTW Detroit Metropolitan Wayne County-OPO Porto

18h 30m1 stop Frankfurt am Main

6:00 am - 2:15 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 15m1 stop Frankfurt am Main

$704Lufthansa

Tue, Apr 13 - Wed, Apr 21

7:30 pm - 11:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

22h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

11:05 am - 5:38 pmOPO Porto-DTW Detroit Metropolitan Wayne County

35h 33m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$706Multiple Airlines

Tue, Apr 13 - Wed, Apr 21

6:15 pm - 10:35 amDTW Detroit Metropolitan Wayne County-OPO Porto

11h 20m1 stop Paris Charles de Gaulle

5:00 am - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

11h 53m1 stop Amsterdam Schiphol

$711Delta

Tue, Mar 2 - Wed, Mar 31

6:20 pm - 9:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

10h 00m1 stop Toronto Pearson Intl

6:05 am - 5:40 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

16h 35m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$717Air Canada

Sun, Dec 6 - Tue, Dec 22

2:40 pm - 9:30 amDTW Detroit Metropolitan Wayne County-OPO Porto

13h 50m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 2:15 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 15m1 stop Frankfurt am Main

$729United Airlines

Tue, Dec 1 - Tue, Dec 8

8:50 am - 9:30 amDTW Detroit Metropolitan Wayne County-OPO Porto

19h 40m1 stop Newark

6:00 am - 2:15 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 15m1 stop Frankfurt am Main

$729United Airlines

Tue, Dec 1 - Tue, Dec 8

6:20 pm - 9:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

10h 00m1 stop Toronto Pearson Intl

5:00 am - 5:40 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

17h 40m2 stops Frankfurt am Main Toronto Pearson Intl

$729Air Canada

Mon, Nov 30 - Tue, Dec 15

10:30 am - 10:35 amDTW Detroit Metropolitan Wayne County-OPO Porto

19h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 5:43 pmOPO Porto-DTW Detroit Metropolitan Wayne County

17h 43m1 stop Amsterdam Schiphol

$766Delta

Sun, Feb 28 - Sat, Mar 6

Cheap last minute flights

Enter your travel dates to find the best prices.

8:30 am - 8:10 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

18h 40m1 stop Newark

5:00 am - 2:15 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

14h 15m1 stop Frankfurt am Main

$782United Airlines

Mon, Nov 2 - Wed, Nov 11

7:45 pm - 10:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

9h 35m1 stop Washington, D.C. Dulles Intl

5:00 am - 2:15 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

14h 15m1 stop Frankfurt am Main

$782United Airlines

Mon, Nov 2 - Tue, Nov 10

8:05 pm - 11:25 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

22h 20m1 stop Istanbul

4:10 pm - 6:00 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

30h 50m1 stop Istanbul

$797Turkish Airlines

Thu, Nov 5 - Mon, Nov 16

2:09 pm - 11:30 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

28h 21m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:00 am - 10:22 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

22h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

$798Lufthansa

Mon, Nov 2 - Tue, Nov 10

2:09 pm - 11:30 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

28h 21m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:00 am - 10:22 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

22h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

$798Lufthansa

Mon, Nov 2 - Thu, Nov 12

9:05 pm - 10:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

32h 30m1 stop Istanbul

4:10 pm - 6:00 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

30h 50m1 stop Istanbul

$802Turkish Airlines

Thu, Nov 5 - Mon, Nov 9

6:15 pm - 11:25 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

12h 10m1 stop Paris Charles de Gaulle

11:30 am - 3:29 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

32h 59m1 stop Amsterdam Schiphol

$807Delta

Mon, Nov 2 - Mon, Nov 9

2:15 pm - 8:00 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

12h 45m1 stop New York LaGuardia

11:30 am - 3:29 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

32h 59m1 stop Amsterdam Schiphol

$808Delta

Sun, Nov 1 - Mon, Nov 9

10:13 am - 10:05 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

18h 52m1 stop Washington, D.C. Dulles Intl

5:00 am - 2:15 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

14h 15m1 stop Frankfurt am Main

$836Multiple Airlines

Sun, Nov 1 - Sun, Nov 8

1:34 pm - 9:05 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

14h 31m2 stops Chicago O'Hare Intl Philadelphia

8:20 am - 9:34 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

18h 14m2 stops Madrid Barajas Chicago O'Hare Intl

$908American Airlines

Thu, Nov 5 - Mon, Nov 16

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Delta flights from Detroit to Portugal

Our best Delta deals on Detroit to Portugal flight tickets

Delta

Mar 2

DTW6:15 pmDetroit Metropolitan Wayne County

11h 20m

1 stop

OPO10:35 amPorto

Mar 31

OPO5:00 amPorto

11h 53m

1 stop

DTW11:53 amDetroit Metropolitan Wayne County

$711

Delta

Feb 28

DTW10:30 amDetroit Metropolitan Wayne County

19h 05m

2 stops

OPO10:35 amPorto

Mar 6

OPO5:00 amPorto

17h 43m

1 stop

DTW5:43 pmDetroit Metropolitan Wayne County

$766

Delta

Feb 17

DTW2:00 pmDetroit Metropolitan Wayne County

20h 10m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Feb 22

LIS11:30 amLisbon Humberto Delgado

35h 21m

1 stop

DTW5:51 pmDetroit Metropolitan Wayne County

$767

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets

United Airlines

Dec 1

DTW8:50 amDetroit Metropolitan Wayne County

19h 40m

1 stop

OPO9:30 amPorto

Dec 8

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$729

United Airlines

Nov 30

DTW5:12 pmDetroit Metropolitan Wayne County

9h 58m

1 stop

LIS8:10 amLisbon Humberto Delgado

Dec 15

LIS5:00 amLisbon Humberto Delgado

14h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$736

United Airlines

Nov 30

DTW10:48 amDetroit Metropolitan Wayne County

16h 22m

2 stops

LIS8:10 amLisbon Humberto Delgado

Dec 15

LIS5:00 amLisbon Humberto Delgado

19h 09m

2 stops

DTW7:09 pmDetroit Metropolitan Wayne County

$737

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

7:30 pm-11:25 pm

2 stops22h 55m

Porto

Wed 4/21

6:00 am-2:15 pm

1 stop13h 15m

$696

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

2:48 pm-4:00 pm

2 stops20h 12m

Porto

Wed 4/21

6:00 am-2:15 pm

1 stop13h 15m

$697

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

4:10 pm-3:40 pm

1 stop18h 30m

Porto

Wed 4/21

6:00 am-2:15 pm

1 stop13h 15m

$704

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

7:30 pm-11:25 pm

2 stops22h 55m

Porto

Wed 4/21

11:05 am-5:38 pm

2 stops35h 33m

$706

Quickest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 3/2

6:15 pm-10:35 am

1 stop11h 20m

Porto

Wed 3/31

5:00 am-11:53 am

1 stop11h 53m

$711

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Sun 12/6

6:20 pm-9:20 am

1 stop10h 00m

Lisbon Humberto Delgado

Tue 12/22

6:05 am-5:40 pm

2 stops16h 35m

$717

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 12/1

2:40 pm-9:30 am

2 stops13h 50m

Porto

Tue 12/8

6:00 am-2:15 pm

1 stop13h 15m

$729

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 12/1

8:50 am-9:30 am

1 stop19h 40m

Porto

Tue 12/8

6:00 am-2:15 pm

1 stop13h 15m

$729

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Mon 11/30

6:20 pm-9:20 am

1 stop10h 00m

Lisbon Humberto Delgado

Tue 12/15

5:00 am-5:40 pm

2 stops17h 40m

$729

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 2/28

10:30 am-10:35 am

2 stops19h 05m

Porto

Sat 3/6

5:00 am-5:43 pm

1 stop17h 43m

$766

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 Detroit 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

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Detroit is in February. Flight prices, which tend to average around $687, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Detroit during November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $731.

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

You are more likely to see cheaper flights to Portugal from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $884 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Detroit for as low as $707 on momondo.

Can stopping save me money on Detroit to Portugal flights?

You could potentially save up to 26% on your flight if you consider stops on a Detroit to Portugal flight.

Cheap Detroit to Portugal flight deals and tips

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

Best Price Found	$333
Fastest flight time	9h 50m
Direct flights	None

The best one-way flight to Portugal from Detroit in the past 72 hours is $333. The best round-trip flight deal from Detroit to Portugal found on momondo in the last 72 hours is $696.

The fastest flight from Detroit to Portugal takes 9h 50m

There are no direct flights from Detroit to Portugal. There are no popular flight routes from Detroit to Portugal.

Search flight deals

Frequently asked questions about flying from Detroit to Portugal

When did momondo last update prices for flights from Detroit to Portugal?
Prices for flights from Detroit to Portugal are updated daily.
How many operators does momondo search for flights from Detroit to Portugal?
There are 9 operators available for flights from Detroit to Portugal as of October 2026.
How old do you have to be to fly from Detroit 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 Detroit to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Detroit to Portugal

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $508	Free Cancellation	Rating 6.8 8,297 reviews	Search Lufthansa flights
WestJet	PriceFrom $522	Free Cancellation	Rating 7.2 3,442 reviews	Search WestJet flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Delta	PriceFrom $571	Free Cancellation	Rating 7.8 8,692 reviews	Search Delta flights
Air Canada	PriceFrom $578	Free Cancellation	Rating 7.1 11,833 reviews	Search Air Canada flights
United Airlines	PriceFrom $584	Free Cancellation	Rating 7.3 10,451 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 4,461 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $672	Free Cancellation	Rating 6.7 8,275 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $932	Free Cancellation	Rating 7.2 2,388 reviews	Search TAP AIR PORTUGAL flights

Why use momondo?

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

It is quick and easy to find Detroit to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

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

Yes. All flights to Portugal from Detroit on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Detroit to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Detroit to Portugal.

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

If you are not ready to book a flight from Detroit to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

Other flights from Detroit

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $364

Flights to Portofrom $377

Flights to Funchalfrom $561

Flights to Farofrom $616

Flights to Ponta Delgadafrom $438

Flights to Lajesfrom $310

Flights to Hortafrom $750

Flights to Pico Islandfrom $591

Flights to Porto Santofrom $888

Flights to Velasfrom $667

Cheap flights from Detroit to Portugal from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Portugal departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Detroit to Portugal

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Cheap last minute flights

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Delta flights from Detroit to Portugal

Our best Delta deals on Detroit to Portugal flight tickets

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Detroit to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Detroit to Portugal

What is the cheapest month to fly to Portugal?

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

Can stopping save me money on Detroit to Portugal flights?

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

What airlines fly to Portugal?

Cheap Detroit to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Detroit to Portugal

Best airlines flying from Detroit to Portugal

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

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Detroit flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year