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

United Airlines, British Airways, and Air Canada are the most popular carriers operating from Detroit to Portugal

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.

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.

$328 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

$687Lufthansa

Sun, Apr 11 - Wed, Apr 21

4:05 pm - 11:45 amDTW Detroit Metropolitan Wayne County-OPO Porto

14h 40m1 stop Frankfurt am Main

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

13h 15m1 stop Frankfurt am Main

$701Lufthansa

Mon, Nov 23 - Tue, Dec 8

9:20 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

13h 05m1 stop Paris Charles de Gaulle

6:55 pm - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

21h 58m1 stop Amsterdam Schiphol

$702KLM

Sun, Apr 11 - Tue, Apr 20

9:20 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

13h 05m1 stop Paris Charles de Gaulle

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

11h 53m1 stop Amsterdam Schiphol

$702KLM

Mon, Apr 12 - Thu, Apr 22

6:45 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

15h 40m1 stop Paris Charles de Gaulle

6:55 pm - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

21h 58m1 stop Amsterdam Schiphol

$702Multiple Airlines

Mon, Apr 12 - Tue, Apr 20

6:45 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

15h 40m1 stop Paris Charles de Gaulle

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

11h 53m1 stop Amsterdam Schiphol

$702Multiple Airlines

Sun, Apr 11 - Thu, Apr 22

5:30 pm - 9:45 amDTW Detroit Metropolitan Wayne County-OPO Porto

11h 15m1 stop Newark

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

13h 15m1 stop Frankfurt am Main

$707United Airlines

Tue, Apr 13 - Thu, Apr 22

12:11 pm - 9:45 amDTW Detroit Metropolitan Wayne County-OPO Porto

16h 34m1 stop Newark

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

13h 15m1 stop Frankfurt am Main

$707United Airlines

Tue, Apr 13 - Tue, Apr 20

9:20 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

13h 05m1 stop Paris Charles de Gaulle

11:45 am - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

29h 08m1 stop Amsterdam Schiphol

$712Delta

Tue, Apr 13 - Mon, Apr 19

9:20 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

13h 05m1 stop Paris Charles de Gaulle

11:45 am - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

29h 08m1 stop Amsterdam Schiphol

$712Delta

Sun, Apr 11 - Mon, Apr 19

Cheap last minute flights

Enter your travel dates to find the best prices.

5:05 pm - 11:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

14h 30m1 stop Frankfurt am Main

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

14h 15m1 stop Frankfurt am Main

$762Lufthansa

Wed, Oct 28 - Wed, Nov 4

9:05 pm - 3:25 pmDTW Detroit Metropolitan Wayne County-OPO Porto

38h 20m1 stop Istanbul

10:55 am - 6:00 pmOPO Porto-DTW Detroit Metropolitan Wayne County

36h 05m1 stop Istanbul

$766Turkish Airlines

Fri, Oct 30 - Tue, Nov 10

5:05 pm - 11:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

14h 30m1 stop Frankfurt am Main

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

14h 15m1 stop Frankfurt am Main

$769Lufthansa

Wed, Oct 28 - Wed, Nov 4

3:35 pm - 9:30 amDTW Detroit Metropolitan Wayne County-OPO Porto

13h 55m1 stop Newark

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

13h 15m1 stop Frankfurt am Main

$774United Airlines

Wed, Oct 28 - Tue, Nov 10

3:35 pm - 9:30 amDTW Detroit Metropolitan Wayne County-OPO Porto

13h 55m1 stop Newark

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

13h 15m1 stop Frankfurt am Main

$774United Airlines

Wed, Oct 28 - Wed, Nov 11

5:12 pm - 10:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

13h 08m2 stops Newark 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

$776Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

7:15 pm - 10:35 amDTW Detroit Metropolitan Wayne County-OPO Porto

11h 20m1 stop Paris Charles de Gaulle

11:15 am - 3:29 pmOPO Porto-DTW Detroit Metropolitan Wayne County

33h 14m1 stop Amsterdam Schiphol

$780Delta

Wed, Oct 28 - Mon, Nov 9

9:25 pm - 9:55 pmDTW Detroit Metropolitan Wayne County-OPO Porto

19h 30m1 stop Paris Charles de Gaulle

11:15 am - 3:29 pmOPO Porto-DTW Detroit Metropolitan Wayne County

33h 14m1 stop Amsterdam Schiphol

$780Delta

Sun, Nov 1 - Mon, Nov 9

8:34 am - 6:55 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

18h 21m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

14h 15m1 stop Frankfurt am Main

$781Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

9:05 pm - 11:25 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

22h 20m1 stop Istanbul

11:30 am - 6:00 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

35h 30m1 stop Istanbul

$802Turkish Airlines

Fri, Oct 30 - Tue, Nov 10

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Turkish Airlines flights from Detroit to Portugal

Our best Turkish Airlines deals on Detroit to Portugal flight tickets

Turkish Airlines

Mar 11

DTW9:05 pmDetroit Metropolitan Wayne County

31h 50m

1 stop

OPO9:55 amPorto

Mar 18

OPO10:55 amPorto

36h 05m

1 stop

DTW7:00 pmDetroit Metropolitan Wayne County

$726

Turkish Airlines

Oct 30

DTW9:05 pmDetroit Metropolitan Wayne County

38h 20m

1 stop

OPO3:25 pmPorto

Nov 10

OPO10:55 amPorto

36h 05m

1 stop

DTW6:00 pmDetroit Metropolitan Wayne County

$766

Turkish Airlines

Nov 5

DTW9:05 pmDetroit Metropolitan Wayne County

21h 20m

1 stop

LIS11:25 pmLisbon Humberto Delgado

Nov 16

LIS5:55 amLisbon Humberto Delgado

17h 05m

1 stop

DTW6:00 pmDetroit Metropolitan Wayne County

$802

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets

United Airlines

Apr 13

DTW12:11 pmDetroit Metropolitan Wayne County

16h 34m

1 stop

OPO9:45 amPorto

Apr 20

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$707

United Airlines

Apr 12

DTW11:30 amDetroit Metropolitan Wayne County

17h 15m

2 stops

OPO9:45 amPorto

Apr 22

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$711

United Airlines

Dec 9

DTW2:00 pmDetroit Metropolitan Wayne County

14h 30m

2 stops

OPO9:30 amPorto

Dec 16

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$724

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 4/11

7:30 pm-11:25 pm

2 stops22h 55m

Porto

Wed 4/21

6:00 am-2:15 pm

1 stop13h 15m

$687

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 11/23

4:05 pm-11:45 am

1 stop14h 40m

Porto

Tue 12/8

6:00 am-2:15 pm

1 stop13h 15m

$701

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 4/11

9:20 pm-3:25 pm

1 stop13h 05m

Porto

Tue 4/20

6:55 pm-11:53 am

1 stop21h 58m

$702

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 4/12

9:20 pm-3:25 pm

1 stop13h 05m

Porto

Thu 4/22

5:00 am-11:53 am

1 stop11h 53m

$702

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 4/12

6:45 pm-3:25 pm

1 stop15h 40m

Porto

Tue 4/20

6:55 pm-11:53 am

1 stop21h 58m

$702

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 4/11

6:45 pm-3:25 pm

1 stop15h 40m

Porto

Thu 4/22

5:00 am-11:53 am

1 stop11h 53m

$702

Quickest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

5:30 pm-9:45 am

1 stop11h 15m

Porto

Thu 4/22

6:00 am-2:15 pm

1 stop13h 15m

$707

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

12:11 pm-9:45 am

1 stop16h 34m

Porto

Tue 4/20

6:00 am-2:15 pm

1 stop13h 15m

$707

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/13

9:20 pm-3:25 pm

1 stop13h 05m

Porto

Mon 4/19

11:45 am-11:53 am

1 stop29h 08m

$712

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 4/11

9:20 pm-3:25 pm

1 stop13h 05m

Porto

Mon 4/19

11:45 am-11:53 am

1 stop29h 08m

$712

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	$328
Fastest flight time	9h 35m
Direct flights	None

The best one-way flight to Portugal from Detroit in the past 72 hours is $328. The best round-trip flight deal from Detroit to Portugal found on momondo in the last 72 hours is $687.

The fastest flight from Detroit to Portugal takes 9h 35m

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 8,295 reviews	Search Lufthansa flights
WestJet	PriceFrom $522	Free Cancellation	Rating 7.2 3,444 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 8,683 reviews	Search Delta flights
Air Canada	PriceFrom $578	Free Cancellation	Rating 7.1 11,820 reviews	Search Air Canada flights
United Airlines	PriceFrom $584	Free Cancellation	Rating 7.3 10,444 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 2,386 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

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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $449

Flights to Portofrom $408

Flights to Funchalfrom $406

Flights to Farofrom $568

Flights to Ponta Delgadafrom $554

Flights to Lajesfrom $546

Flights to Hortafrom $584

Flights to Pico Islandfrom $664

Flights to Porto Santofrom $1,001

Flights to Velasfrom $688

Cheap flights from Detroit to Portugal from $328

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 2/23. 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

Cheap round-trip flights

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Cheap last minute flights

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Filter for what you want

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Turkish Airlines flights from Detroit to Portugal

Our best Turkish Airlines 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