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

KLM is the most popular carrier operating from Detroit to Portugal

What airlines fly to Portugal?

United Airlines, Delta and Air Canada 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 37% 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.

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 10 operators available for flights from Detroit to Portugal as of November 2025.

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.

$238 Cheap Flights from Detroit to Portugal in 2025/26

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Find the cheapest flights from Detroit to Portugal

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:12 pm - 8:55 amDTW-LIS

15h 43m2 stops

12:35 pm - 7:44 amLIS-DTW

24h 09m2 stops

$500Multiple Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

7:00 am - 4:25 pmDTW-LIS

28h 25m2 stops

7:00 am - 7:35 pmLIS-DTW

41h 35m2 stops

$507Scandinavian Airlines

Find Deal

Sat, Jan 17 - Fri, Jan 30

7:00 am - 4:25 pmDTW-LIS

28h 25m2 stops

8:05 am - 7:35 pmLIS-DTW

40h 30m2 stops

$510Scandinavian Airlines

Find Deal

Sat, Jan 17 - Tue, Feb 3

5:51 pm - 11:30 pmDTW-LIS

24h 39m2 stops

5:00 am - 2:15 pmLIS-DTW

14h 15m1 stop

$529Lufthansa

Find Deal

Mon, Dec 1 - Wed, Dec 10

6:06 pm - 11:30 pmDTW-LIS

24h 24m2 stops

5:00 am - 2:55 pmLIS-DTW

13h 55m1 stop

$530Lufthansa

Find Deal

Mon, Mar 2 - Tue, Mar 17

7:25 pm - 9:30 amDTW-FNC

34h 05m1 stop

10:20 am - 6:50 pmFNC-DTW

36h 30m1 stop

$541KLM

Find Deal

Tue, Mar 17 - Thu, Mar 26

8:40 pm - 9:35 amDTW-FNC

31h 55m1 stop

6:40 pm - 5:50 pmFNC-DTW

28h 10m1 stop

$641KLM

Find Deal

Sat, Feb 21 - Sat, Feb 28

9:44 am - 1:00 amDTW-FNC

35h 16m2 stops

6:10 pm - 8:54 amFNC-DTW

42h 44m2 stops

$757TAP AIR PORTUGAL

Find Deal

Wed, Mar 18 - Thu, Mar 26

5:25 pm - 11:30 amDTW-FNC

37h 05m2 stops

4:45 pm - 8:59 pmFNC-DTW

32h 14m2 stops

$816British Airways

Find Deal

Sat, Mar 7 - Sat, Mar 14

8:45 am - 8:15 amDTW-PDL

19h 30m2 stops

6:30 am - 7:41 pmPDL-DTW

17h 11m2 stops

$819TAP AIR PORTUGAL

Find Deal

Mon, Feb 2 - Fri, Feb 6

Scandinavian Airlines flights from Detroit to Portugal

Our best Scandinavian Airlines deals on Detroit to Portugal flight tickets

Scandinavian Airlines

Jan 17

DTW7:00 amDetroit Metropolitan Wayne County

28h 25m

2 stops

LIS4:25 pmLisbon Humberto Delgado

Jan 30

LIS7:00 amLisbon Humberto Delgado

41h 35m

2 stops

DTW7:35 pmDetroit Metropolitan Wayne County

$507

Find similar

Scandinavian Airlines

Jan 17

DTW7:00 amDetroit Metropolitan Wayne County

28h 25m

2 stops

LIS4:25 pmLisbon Humberto Delgado

Feb 3

LIS8:05 amLisbon Humberto Delgado

40h 30m

2 stops

DTW7:35 pmDetroit Metropolitan Wayne County

$510

Find similar

Scandinavian Airlines

Jan 22

DTW10:20 amDetroit Metropolitan Wayne County

30h 30m

2 stops

LIS9:50 pmLisbon Humberto Delgado

Feb 3

LIS8:05 amLisbon Humberto Delgado

40h 30m

2 stops

DTW7:35 pmDetroit Metropolitan Wayne County

$514

Find similar

Delta flights from Detroit to Portugal

Our best Delta deals on Detroit to Portugal flight tickets

Delta

Jan 18

DTW6:00 pmDetroit Metropolitan Wayne County

16h 10m

1 stop

LIS3:10 pmLisbon Humberto Delgado

Jan 30

LIS5:00 amLisbon Humberto Delgado

13h 15m

1 stop

DTW1:15 pmDetroit Metropolitan Wayne County

$534

Find similar

Delta

Jan 18

DTW4:45 pmDetroit Metropolitan Wayne County

17h 25m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Feb 4

LIS11:25 amLisbon Humberto Delgado

35h 30m

1 stop

DTW5:55 pmDetroit Metropolitan Wayne County

$539

Find similar

Delta

Jan 19

DTW10:18 amDetroit Metropolitan Wayne County

16h 42m

2 stops

LIS8:00 amLisbon Humberto Delgado

Feb 3

LIS5:00 amLisbon Humberto Delgado

13h 05m

1 stop

DTW1:05 pmDetroit Metropolitan Wayne County

$540

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 12/6

12:12 pm-8:55 am

2 stops15h 43m

Lisbon Humberto Delgado

Sat 12/13

12:35 pm-7:44 am

2 stops24h 09m

$500

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 1/17

7:00 am-4:25 pm

2 stops28h 25m

Lisbon Humberto Delgado

Fri 1/30

7:00 am-7:35 pm

2 stops41h 35m

$507

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 1/17

7:00 am-4:25 pm

2 stops28h 25m

Lisbon Humberto Delgado

Tue 2/3

8:05 am-7:35 pm

2 stops40h 30m

$510

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 12/1

5:51 pm-11:30 pm

2 stops24h 39m

Lisbon Humberto Delgado

Wed 12/10

5:00 am-2:15 pm

1 stop14h 15m

$529

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 3/2

6:06 pm-11:30 pm

2 stops24h 24m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-2:55 pm

1 stop13h 55m

$530

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 3/17

7:25 pm-9:30 am

1 stop34h 05m

Funchal Madeira

Thu 3/26

10:20 am-6:50 pm

1 stop36h 30m

$541

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Sat 2/21

8:40 pm-9:35 am

1 stop31h 55m

Funchal Madeira

Sat 2/28

6:40 pm-5:50 pm

1 stop28h 10m

$641

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Wed 3/18

9:44 am-1:00 am

2 stops35h 16m

Funchal Madeira

Thu 3/26

6:10 pm-8:54 am

2 stops42h 44m

$757

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Sat 3/7

5:25 pm-11:30 am

2 stops37h 05m

Funchal Madeira

Sat 3/14

4:45 pm-8:59 pm

2 stops32h 14m

$816

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Mon 2/2

8:45 am-8:15 am

2 stops19h 30m

Ponta Delgada Nordela

Fri 2/6

6:30 am-7:41 pm

2 stops17h 11m

$819

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 November. Flight prices, which tend to average around $694, 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 Detroit during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $717.

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 Detroit. 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 Detroit 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 Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $902 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 $805 on momondo.

Can stopping save me money on Detroit to Portugal flights?

You could potentially save up to 11% 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

Direct flights	None

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

Search flight deals

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 10 operators available for flights from Detroit to Portugal as of November 2025.
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
Delta	PriceFrom $441	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Turkish Airlines	PriceFrom $559	Free Cancellation	Rating 7.3 4,044 reviews	Search Turkish Airlines flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.7 1,414 reviews	Search KLM flights
British Airways	PriceFrom $592	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights
United Airlines	PriceFrom $601	Free Cancellation	Rating 7.4 9,028 reviews	Search United Airlines flights
Air France	PriceFrom $606	Free Cancellation	Rating 7.4 1,493 reviews	Search Air France flights
American Airlines	PriceFrom $609	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Lufthansa	PriceFrom $631	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
Air Canada	PriceFrom $683	Free Cancellation	Rating 7.1 10,463 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom $694	Free Cancellation	Rating 7.1 2,070 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.