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

KLM, United Airlines, and British Airways 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 November 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.

$322 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.

4:05 pm - 11:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

14h 30m1 stop Frankfurt am Main

5:00 am - 3:15 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

14h 15m1 stop Frankfurt am Main

$359Lufthansa

Sun, Feb 28 - Fri, Mar 19

7:30 pm - 10:20 amDTW Detroit Metropolitan Wayne County-OPO Porto

33h 50m2 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

$702Lufthansa

Tue, Apr 6 - Tue, Apr 20

12:33 pm - 9:30 amDTW Detroit Metropolitan Wayne County-OPO Porto

15h 57m2 stops Chicago O'Hare Intl Newark

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

13h 15m1 stop Frankfurt am Main

$711United Airlines

Wed, Mar 3 - Wed, Mar 10

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

$711Delta

Wed, Apr 7 - Thu, Apr 22

9:20 pm - 10:00 pmDTW Detroit Metropolitan Wayne County-OPO Porto

19h 40m1 stop Paris Charles de Gaulle

11:45 am - 1:32 pmOPO Porto-DTW Detroit Metropolitan Wayne County

30h 47m1 stop Amsterdam Schiphol

$711Delta

Wed, Apr 7 - Wed, Apr 21

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

13h 05m1 stop Paris Charles de Gaulle

7:05 pm - 1:32 pmOPO Porto-DTW Detroit Metropolitan Wayne County

23h 27m1 stop Amsterdam Schiphol

$711KLM

Wed, Apr 7 - Tue, Apr 20

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

11h 20m1 stop Paris Charles de Gaulle

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

17h 43m1 stop Amsterdam Schiphol

$711Multiple Airlines

Wed, Mar 3 - Wed, Mar 10

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

15h 40m1 stop Paris Charles de Gaulle

7:05 pm - 11:53 amOPO Porto-DTW Detroit Metropolitan Wayne County

21h 48m1 stop Amsterdam Schiphol

$711Multiple Airlines

Wed, Apr 7 - Mon, Apr 19

4:05 pm - 3:20 pmDTW Detroit Metropolitan Wayne County-OPO Porto

18h 15m1 stop Frankfurt am Main

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

13h 15m1 stop Frankfurt am Main

$725United Airlines

Sun, Feb 14 - Wed, Feb 17

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

19h 30m1 stop Paris Charles de Gaulle

5:00 am - 1:00 pmOPO Porto-DTW Detroit Metropolitan Wayne County

13h 00m1 stop Amsterdam Schiphol

$761KLM

Sun, Feb 28 - Sat, Mar 6

Cheap last minute flights

Enter your travel dates to find the best prices.

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

22h 20m1 stop Istanbul

5:55 am - 6:00 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

17h 05m1 stop Istanbul

$802Turkish Airlines

Fri, Nov 6 - 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

$802Turkish Airlines

Mon, Nov 9 - Mon, Nov 16

4:28 pm - 8:05 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

22h 37m2 stops Chicago O'Hare Intl Madrid Barajas

8:45 pm - 8:40 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

28h 55m2 stops Madrid Barajas Chicago O'Hare Intl

$822Iberia

Mon, Nov 9 - Mon, Nov 16

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

18h 40m1 stop Newark

5:00 am - 11:59 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

23h 59m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$846United Airlines

Mon, Nov 9 - Mon, Nov 16

4:05 pm - 11:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

14h 30m1 stop Frankfurt am Main

3:35 pm - 8:30 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

33h 55m2 stops Zurich Chicago O'Hare Intl

$854Multiple Airlines

Fri, Nov 6 - Tue, Nov 10

7:00 am - 8:10 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

12:25 pm - 2:15 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

30h 50m1 stop Frankfurt am Main

$868United Airlines

Thu, Nov 5 - Mon, Nov 9

8:35 pm - 5:30 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

15h 55m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 6:48 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

18h 48m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$871Delta

Fri, Nov 6 - Tue, Nov 10

11:07 am - 9:05 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

16h 58m1 stop Philadelphia

6:35 pm - 8:40 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

31h 05m2 stops London Heathrow Chicago O'Hare Intl

$878British Airways

Thu, Nov 5 - Mon, Nov 9

11:07 am - 9:05 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

16h 58m1 stop Philadelphia

6:35 pm - 8:40 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

31h 05m2 stops London Heathrow Chicago O'Hare Intl

$879British Airways

Thu, Nov 5 - Mon, Nov 9

2:17 pm - 11:25 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

16h 08m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 6:48 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

18h 48m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$921Delta

Thu, Nov 5 - Mon, Nov 9

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

Air Canada flights from Detroit to Portugal

Our best Air Canada deals on Detroit to Portugal flight tickets

Air Canada

Nov 30

DTW6:20 pmDetroit Metropolitan Wayne County

10h 00m

1 stop

LIS9:20 amLisbon Humberto Delgado

Dec 15

LIS5:00 amLisbon Humberto Delgado

17h 40m

2 stops

DTW5:40 pmDetroit Metropolitan Wayne County

$729

Air Canada

Dec 2

DTW8:41 amDetroit Metropolitan Wayne County

17h 14m

2 stops

LIS6:55 amLisbon Humberto Delgado

Dec 9

LIS5:00 amLisbon Humberto Delgado

17h 30m

2 stops

DTW5:30 pmDetroit Metropolitan Wayne County

$743

Air Canada

Dec 9

DTW8:41 amDetroit Metropolitan Wayne County

17h 14m

2 stops

LIS6:55 amLisbon Humberto Delgado

Dec 22

LIS6:05 amLisbon Humberto Delgado

16h 35m

2 stops

DTW5:40 pmDetroit Metropolitan Wayne County

$745

Turkish Airlines flights from Detroit to Portugal

Our best Turkish Airlines deals on Detroit to Portugal flight tickets

Turkish Airlines

Apr 6

DTW8:55 pmDetroit Metropolitan Wayne County

37h 40m

1 stop

OPO3:35 pmPorto

Apr 20

OPO10:45 amPorto

37h 05m

1 stop

DTW6:50 pmDetroit Metropolitan Wayne County

$750

Turkish Airlines

Nov 16

DTW8:05 pmDetroit Metropolitan Wayne County

22h 20m

1 stop

LIS11:25 pmLisbon Humberto Delgado

Dec 4

LIS5:55 amLisbon Humberto Delgado

17h 05m

1 stop

DTW6:00 pmDetroit Metropolitan Wayne County

$762

Turkish Airlines

Nov 28

DTW8:05 pmDetroit Metropolitan Wayne County

38h 20m

1 stop

OPO3:25 pmPorto

Dec 2

OPO10:55 amPorto

36h 05m

1 stop

DTW6:00 pmDetroit Metropolitan Wayne County

$791

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Sun 2/28

4:05 pm-11:35 am

1 stop14h 30m

Lisbon Humberto Delgado

Fri 3/19

5:00 am-3:15 pm

1 stop14h 15m

$359

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Tue 4/6

7:30 pm-10:20 am

2 stops33h 50m

Porto

Tue 4/20

6:00 am-2:15 pm

1 stop13h 15m

$702

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 3/3

12:33 pm-9:30 am

2 stops15h 57m

Porto

Wed 3/10

6:00 am-2:15 pm

1 stop13h 15m

$711

Quickest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 4/7

6:45 pm-3:25 pm

1 stop15h 40m

Porto

Thu 4/22

5:00 am-11:53 am

1 stop11h 53m

$711

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 4/7

9:20 pm-10:00 pm

1 stop19h 40m

Porto

Wed 4/21

11:45 am-1:32 pm

1 stop30h 47m

$711

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 4/7

9:20 pm-3:25 pm

1 stop13h 05m

Porto

Tue 4/20

7:05 pm-1:32 pm

1 stop23h 27m

$711

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 3/3

6:15 pm-10:35 am

1 stop11h 20m

Porto

Wed 3/10

5:00 am-5:43 pm

1 stop17h 43m

$711

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Wed 4/7

6:45 pm-3:25 pm

1 stop15h 40m

Porto

Mon 4/19

7:05 pm-11:53 am

1 stop21h 48m

$711

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 2/14

4:05 pm-3:20 pm

1 stop18h 15m

Porto

Wed 2/17

6:00 am-2:15 pm

1 stop13h 15m

$725

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Sun 2/28

9:25 pm-9:55 pm

1 stop19h 30m

Porto

Sat 3/6

5:00 am-1:00 pm

1 stop13h 00m

$761

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	$322
Fastest flight time	9h 35m
Direct flights	None

The best one-way flight to Portugal from Detroit in the past 72 hours is $322. The best round-trip flight deal from Detroit to Portugal found on momondo in the last 72 hours is $359.

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 November 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 8,299 reviews	Search Lufthansa flights
WestJet	PriceFrom $522	Free Cancellation	Rating 7.2 3,441 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 8,698 reviews	Search Delta flights
Air Canada	PriceFrom $578	Free Cancellation	Rating 7.1 11,853 reviews	Search Air Canada flights
United Airlines	PriceFrom $584	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 4,466 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $672	Free Cancellation	Rating 6.7 8,282 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $932	Free Cancellation	Rating 7.2 2,394 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 12/3

Thu 12/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities

Other flights from Detroit

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $364

Flights to Portofrom $400

Flights to Funchalfrom $585

Flights to Farofrom $549

Flights to Ponta Delgadafrom $310

Flights to Lajesfrom $313

Flights to Hortafrom $883

Flights to Pico Islandfrom $699

Flights to Porto Santofrom $791

Flights to Velasfrom $691

Cheap flights from Detroit to Portugal from $322

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 11/12. 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

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Air Canada flights from Detroit to Portugal

Our best Air Canada deals on Detroit to Portugal flight tickets

Turkish Airlines flights from Detroit to Portugal

Our best Turkish 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