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

United Airlines, WestJet, and KLM are the most popular carriers operating from Detroit to Portugal

What airlines fly to Portugal?

United Airlines, Delta and Lufthansa 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 46% 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 May 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.

$331 Cheap Flights from Detroit to Portugal in 2026

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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.

8:50 pm - 3:35 pm

DTW

LIS

37h 45m

1 stop

5:55 am - 6:45 pm

LIS

DTW

17h 50m

1 stop

$700Turkish Airlines

Tue, Oct 6 - Wed, Oct 14

8:50 pm - 11:20 pm

DTW

LIS

21h 30m

1 stop

5:55 am - 6:45 pm

LIS

DTW

17h 50m

1 stop

$701Turkish Airlines

Tue, Oct 6 - Wed, Oct 14

6:10 pm - 9:55 pm

DTW

LIS

22h 45m

1 stop

6:10 am - 5:20 pm

LIS

DTW

16h 10m

1 stop

$718WestJet

Sat, May 23 - Sat, Jun 6

6:10 pm - 9:55 pm

DTW

LIS

22h 45m

1 stop

6:10 am - 5:20 pm

LIS

DTW

16h 10m

1 stop

$721WestJet

Sat, May 23 - Sat, Jun 6

9:16 am - 9:05 am

DTW

PDL

19h 49m

2 stops

9:35 am - 5:20 pm

PDL

DTW

35h 45m

2 stops

$982Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

4:00 pm - 6:35 pm

DTW

FNC

21h 35m

2 stops

9:55 pm - 10:20 pm

FNC

DTW

28h 25m

2 stops

$984Multiple Airlines

Tue, Oct 20 - Thu, Oct 29

6:55 pm - 9:45 am

DTW

PDL

34h 50m

2 stops

6:30 am - 10:20 pm

PDL

DTW

43h 50m

2 stops

$1,006TAP AIR PORTUGAL

Fri, Sep 18 - Fri, Oct 2

6:00 am - 8:40 am

DTW

PDL

22h 40m

2 stops

11:00 am - 8:12 pm

PDL

DTW

13h 12m

1 stop

$1,031United Airlines

Sun, May 31 - Sun, Jun 7

9:05 am - 8:40 am

DTW

PDL

19h 35m

1 stop

11:00 am - 11:24 pm

PDL

DTW

16h 24m

1 stop

$1,032United Airlines

Sun, May 31 - Sun, Jun 7

4:00 pm - 12:10 am

DTW

FNC

27h 10m

2 stops

4:10 am - 10:20 pm

FNC

DTW

22h 10m

2 stops

$1,072TAP AIR PORTUGAL

Tue, Oct 20 - Thu, Oct 29

WestJet flights from Detroit to Portugal

Our best WestJet deals on Detroit to Portugal flight tickets

WestJet

May 23

DTW6:10 pmDetroit Metropolitan Wayne County

22h 45m

1 stop

LIS9:55 pmLisbon Humberto Delgado

Jun 6

LIS6:10 amLisbon Humberto Delgado

16h 10m

1 stop

DTW5:20 pmDetroit Metropolitan Wayne County

$712

WestJet

May 23

DTW6:10 pmDetroit Metropolitan Wayne County

22h 45m

1 stop

LIS9:55 pmLisbon Humberto Delgado

Jun 6

LIS6:10 amLisbon Humberto Delgado

16h 10m

1 stop

DTW5:20 pmDetroit Metropolitan Wayne County

$718

WestJet

May 23

DTW6:10 pmDetroit Metropolitan Wayne County

22h 45m

1 stop

LIS9:55 pmLisbon Humberto Delgado

Jun 6

LIS6:10 amLisbon Humberto Delgado

16h 10m

1 stop

DTW5:20 pmDetroit Metropolitan Wayne County

$721

Iberia flights from Detroit to Portugal

Our best Iberia deals on Detroit to Portugal flight tickets

Iberia

May 6

DTW9:43 amDetroit Metropolitan Wayne County

25h 22m

2 stops

LIS4:05 pmLisbon Humberto Delgado

May 11

LIS8:45 pmLisbon Humberto Delgado

29h 36m

2 stops

DTW9:21 pmDetroit Metropolitan Wayne County

$982

Iberia

Aug 21

DTW10:23 amDetroit Metropolitan Wayne County

20h 12m

2 stops

FNC11:35 amFunchal Madeira

Sep 5

FNC12:15 pmFunchal Madeira

37h 05m

2 stops

DTW8:20 pmDetroit Metropolitan Wayne County

$1,304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/6

8:50 pm-3:35 pm

1 stop37h 45m

Lisbon Humberto Delgado

Wed 10/14

5:55 am-6:45 pm

1 stop17h 50m

$700

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/6

8:50 pm-11:20 pm

1 stop21h 30m

Lisbon Humberto Delgado

Wed 10/14

5:55 am-6:45 pm

1 stop17h 50m

$701

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 5/23

6:10 pm-9:55 pm

1 stop22h 45m

Lisbon Humberto Delgado

Sat 6/6

6:10 am-5:20 pm

1 stop16h 10m

$718

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 5/23

6:10 pm-9:55 pm

1 stop22h 45m

Lisbon Humberto Delgado

Sat 6/6

6:10 am-5:20 pm

1 stop16h 10m

$721

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Mon 6/15

9:16 am-9:05 am

2 stops19h 49m

Ponta Delgada Nordela

Mon 6/22

9:35 am-5:20 pm

2 stops35h 45m

$982

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 10/20

4:00 pm-6:35 pm

2 stops21h 35m

Funchal Madeira

Thu 10/29

9:55 pm-10:20 pm

2 stops28h 25m

$984

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Fri 9/18

6:55 pm-9:45 am

2 stops34h 50m

Ponta Delgada Nordela

Fri 10/2

6:30 am-10:20 pm

2 stops43h 50m

$1,006

Quickest round-trip

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Sun 5/31

6:00 am-8:40 am

2 stops22h 40m

Ponta Delgada Nordela

Sun 6/7

11:00 am-8:12 pm

1 stop13h 12m

$1,031

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Sun 5/31

9:05 am-8:40 am

1 stop19h 35m

Ponta Delgada Nordela

Sun 6/7

11:00 am-11:24 pm

1 stop16h 24m

$1,032

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 10/20

4:00 pm-12:10 am

2 stops27h 10m

Funchal Madeira

Thu 10/29

4:10 am-10:20 pm

2 stops22h 10m

$1,072

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 October. Flight prices, which tend to average around $434, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Portugal from Detroit during September instead. Flights to Portugal in September, while not as cheap as those in October, still average around $441.

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 $880 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 $649 on momondo.

Can stopping save me money on Detroit to Portugal flights?

You could potentially save up to 59% 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

Fastest flight time	9h 45m
Direct flights	None

The fastest flight from Detroit to Portugal takes 9h 45m

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 May 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
Delta	PriceFrom $441	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
Lufthansa	PriceFrom $509	Free Cancellation	Rating 6.8 7,974 reviews	Search Lufthansa flights
WestJet	PriceFrom $521	Free Cancellation	Rating 7.2 3,331 reviews	Search WestJet flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Turkish Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 4,350 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $599	Free Cancellation	Rating 6.7 7,944 reviews	Search British Airways flights
United Airlines	PriceFrom $601	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
Air Canada	PriceFrom $614	Free Cancellation	Rating 7.1 10,999 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom $694	Free Cancellation	Rating 7.2 2,234 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 $434

Flights to Portofrom $426

Flights to Funchalfrom $594

Flights to Farofrom $579

Flights to Ponta Delgadafrom $630

Flights to Lajesfrom $694

Flights to Pico Islandfrom $628

Flights to Hortafrom $779

Flights to Porto Santofrom $845

Flights to Velasfrom $754

Cheap flights from Detroit to Portugal from $331

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 5/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Detroit to Portugal

Our best WestJet deals on Detroit to Portugal flight tickets

Iberia flights from Detroit to Portugal

Our best Iberia deals on Detroit to Portugal flight tickets

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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

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

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