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 48% 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?

British Airways, American Airlines, and United Airlines 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 August 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.

$344 Cheap Flights from Detroit to Portugal in 2026

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.

2:00 pm - 9:20 am

DTW

LIS

14h 20m

1 stop

5:00 am - 2:15 pm

LIS

DTW

14h 15m

1 stop

$681Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

6:20 pm - 9:20 am

DTW

LIS

11h 00m

1 stop

5:00 am - 2:15 pm

LIS

DTW

14h 15m

1 stop

$686Multiple Airlines

Mon, Oct 26 - Fri, Nov 6

11:34 am - 6:55 am

DTW

LIS

14h 21m

2 stops

5:00 am - 5:40 pm

LIS

DTW

17h 40m

2 stops

$711Air Canada

Wed, Nov 18 - Wed, Dec 9

4:10 pm - 9:20 am

DTW

LIS

36h 10m

3 stops

12:25 pm - 2:15 pm

LIS

DTW

30h 50m

1 stop

$727United Airlines

Sat, Nov 28 - Mon, Dec 7

6:26 pm - 9:20 am

DTW

LIS

33h 54m

2 stops

12:25 pm - 2:15 pm

LIS

DTW

30h 50m

1 stop

$732United Airlines

Sat, Nov 28 - Mon, Dec 7

7:11 pm - 10:45 pm

DTW

LIS

22h 34m

2 stops

5:05 am - 1:55 pm

LIS

DTW

13h 50m

1 stop

$748Lufthansa

Tue, Oct 6 - Wed, Oct 14

2:17 pm - 10:45 am

DTW

LIS

15h 28m

1 stop

3:35 pm - 2:02 pm

LIS

DTW

26h 27m

1 stop

$749KLM

Tue, Oct 20 - Sat, Oct 31

6:26 pm - 11:35 pm

DTW

LIS

25h 09m

2 stops

5:00 am - 2:15 pm

LIS

DTW

14h 15m

1 stop

$750Lufthansa

Fri, Oct 30 - Fri, Nov 6

6:46 pm - 6:45 pm

DTW

LIS

18h 59m

2 stops

3:35 pm - 2:02 pm

LIS

DTW

26h 27m

1 stop

$758KLM

Tue, Oct 20 - Sat, Oct 31

12:35 pm - 10:40 am

DTW

LIS

17h 05m

2 stops

5:00 am - 5:40 pm

LIS

DTW

17h 40m

2 stops

$761Air Canada

Mon, Dec 7 - Mon, Dec 14

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Delta flights from Detroit to Portugal

Our best Delta deals on Detroit to Portugal flight tickets

Delta

Oct 13

DTW5:47 pmDetroit Metropolitan Wayne County

16h 08m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Oct 20

LIS5:00 amLisbon Humberto Delgado

20h 00m

2 stops

DTW8:00 pmDetroit Metropolitan Wayne County

$749

Delta

Sep 21

DTW9:20 pmDetroit Metropolitan Wayne County

15h 30m

1 stop

LIS5:50 pmLisbon Humberto Delgado

Oct 1

LIS11:55 amLisbon Humberto Delgado

30h 30m

1 stop

DTW1:25 pmDetroit Metropolitan Wayne County

$764

Delta

Sep 22

DTW10:15 amDetroit Metropolitan Wayne County

17h 35m

2 stops

LIS8:50 amLisbon Humberto Delgado

Oct 2

LIS5:00 amLisbon Humberto Delgado

13h 25m

1 stop

DTW1:25 pmDetroit Metropolitan Wayne County

$769

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets

United Airlines

Nov 28

DTW4:10 pmDetroit Metropolitan Wayne County

36h 10m

3 stops

LIS9:20 amLisbon Humberto Delgado

Dec 7

LIS12:25 pmLisbon Humberto Delgado

30h 50m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$727

United Airlines

Nov 28

DTW6:26 pmDetroit Metropolitan Wayne County

33h 54m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 7

LIS12:25 pmLisbon Humberto Delgado

30h 50m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$732

United Airlines

Oct 13

DTW2:00 pmDetroit Metropolitan Wayne County

14h 20m

1 stop

LIS9:20 amLisbon Humberto Delgado

Oct 20

LIS5:05 amLisbon Humberto Delgado

13h 50m

1 stop

DTW1:55 pmDetroit Metropolitan Wayne County

$733

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/20

2:00 pm-9:20 am

1 stop14h 20m

Lisbon Humberto Delgado

Tue 11/3

5:00 am-2:15 pm

1 stop14h 15m

$681

Quickest round-trip

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 10/26

6:20 pm-9:20 am

1 stop11h 00m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-2:15 pm

1 stop14h 15m

$686

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 11/18

11:34 am-6:55 am

2 stops14h 21m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-5:40 pm

2 stops17h 40m

$711

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 11/28

4:10 pm-9:20 am

3 stops36h 10m

Lisbon Humberto Delgado

Mon 12/7

12:25 pm-2:15 pm

1 stop30h 50m

$727

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 11/28

6:26 pm-9:20 am

2 stops33h 54m

Lisbon Humberto Delgado

Mon 12/7

12:25 pm-2:15 pm

1 stop30h 50m

$732

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/6

7:11 pm-10:45 pm

2 stops22h 34m

Lisbon Humberto Delgado

Wed 10/14

5:05 am-1:55 pm

1 stop13h 50m

$748

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/20

2:17 pm-10:45 am

1 stop15h 28m

Lisbon Humberto Delgado

Sat 10/31

3:35 pm-2:02 pm

1 stop26h 27m

$749

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Fri 10/30

6:26 pm-11:35 pm

2 stops25h 09m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-2:15 pm

1 stop14h 15m

$750

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/20

6:46 pm-6:45 pm

2 stops18h 59m

Lisbon Humberto Delgado

Sat 10/31

3:35 pm-2:02 pm

1 stop26h 27m

$758

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 12/7

12:35 pm-10:40 am

2 stops17h 05m

Lisbon Humberto Delgado

Mon 12/14

5:00 am-5:40 pm

2 stops17h 40m

$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 $664, 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 March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $709.

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 $856 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 38% 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 35m
Direct flights	None

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 August 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 $509	Free Cancellation	Rating 6.8 8,176 reviews	Search Lufthansa flights
WestJet	PriceFrom $522	Free Cancellation	Rating 7.2 3,426 reviews	Search WestJet flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,552 reviews	Search KLM flights
Delta	PriceFrom $561	Free Cancellation	Rating 7.8 8,490 reviews	Search Delta flights
Turkish Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $600	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
Air Canada	PriceFrom $614	Free Cancellation	Rating 7.1 11,425 reviews	Search Air Canada flights
British Airways	PriceFrom $672	Free Cancellation	Rating 6.7 8,150 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $698	Free Cancellation	Rating 7.2 2,356 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.

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Popular cities

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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $498

Flights to Portofrom $523

Flights to Funchalfrom $546

Flights to Farofrom $579

Flights to Ponta Delgadafrom $453

Flights to Lajesfrom $454

Flights to Hortafrom $490

Flights to Pico Islandfrom $451

Flights to Porto Santofrom $880

Flights to Velasfrom $471

Cheap flights from Detroit to Portugal from $344

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 11/2. 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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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

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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

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