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

United Airlines, British Airways, and Delta 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 44% 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.

$340 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 - 11:45 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

$705Lufthansa

Mon, Mar 1 - Wed, Mar 3

6:20 pm - 9:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

10h 00m1 stop Toronto Pearson Intl

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

14h 15m1 stop Frankfurt am Main

$716Multiple Airlines

Sun, Dec 6 - Tue, Dec 22

4:05 pm - 3:30 pmDTW Detroit Metropolitan Wayne County-OPO Porto

18h 25m1 stop Frankfurt am Main

6:00 am - 5:39 pmOPO Porto-DTW Detroit Metropolitan Wayne County

40h 39m2 stops Frankfurt am Main Toronto Pearson Intl

$719Multiple Airlines

Mon, Mar 1 - Wed, Mar 3

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

$726United Airlines

Sun, Feb 14 - Wed, Feb 17

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

$727United Airlines

Mon, Mar 1 - Wed, Mar 3

11:04 am - 9:05 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

17h 01m1 stop Philadelphia

11:05 am - 10:46 amLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

27h 41m1 stop Philadelphia

$731British Airways

Sun, Feb 7 - Wed, Mar 17

6:19 pm - 11:30 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

24h 11m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

14h 15m1 stop Frankfurt am Main

$733Lufthansa

Tue, Mar 2 - Thu, Mar 11

6:00 am - 6:55 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

19h 55m2 stops Newark Montreal Pierre Elliott Trudeau Intl

12:50 pm - 6:29 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

34h 39m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$743Air Canada

Wed, Dec 9 - Tue, Dec 15

7:10 pm - 6:55 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

30h 45m2 stops Newark Montreal Pierre Elliott Trudeau Intl

12:50 pm - 8:52 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

37h 02m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$743Air Canada

Tue, Dec 8 - Tue, Dec 15

6:00 am - 9:45 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

35h 45m2 stops Philadelphia London Heathrow

11:05 am - 11:24 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

16h 19m1 stop Philadelphia

$782British Airways

Sun, Mar 21 - Fri, Mar 26

Cheap last minute flights

Enter your travel dates to find the best prices.

3:35 pm - 8:10 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

11h 35m1 stop Newark

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

14h 15m1 stop Frankfurt am Main

$786Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

5:12 pm - 8:10 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

9h 58m1 stop Newark

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

14h 15m1 stop Frankfurt am Main

$787United Airlines

Wed, Nov 11 - Fri, Nov 27

2:09 pm - 11:30 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

28h 21m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

14h 15m1 stop Frankfurt am Main

$787Lufthansa

Wed, Nov 11 - Fri, Nov 27

10:13 am - 8:10 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

16h 57m2 stops Washington, D.C. Dulles Intl Newark

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

14h 15m1 stop Frankfurt am Main

$791United Airlines

Wed, Nov 11 - Wed, Nov 18

6:20 pm - 2:50 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

15h 30m2 stops Toronto Pearson Intl Frankfurt am Main

5:00 am - 5:36 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

17h 36m2 stops Frankfurt am Main Toronto Pearson Intl

$798Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

4:28 pm - 9:55 pmDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

24h 27m2 stops Chicago O'Hare Intl London Heathrow

11:05 am - 6:08 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

12h 03m1 stop Philadelphia

$810British Airways

Wed, Nov 11 - Fri, Nov 27

12:30 pm - 11:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

17h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

11:30 am - 10:55 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

16h 25m2 stops Amsterdam Schiphol Minneapolis St Paul

$832Delta

Wed, Nov 11 - Fri, Nov 27

2:48 pm - 11:20 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

15h 32m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 8:38 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

20h 38m2 stops Amsterdam Schiphol Minneapolis St Paul

$832Delta

Wed, Nov 11 - Fri, Nov 27

11:07 am - 8:50 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

16h 43m1 stop Philadelphia

6:35 pm - 9:42 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

32h 07m2 stops London Heathrow Chicago O'Hare Intl

$879British Airways

Fri, Nov 13 - Mon, Nov 16

8:05 pm - 10:35 amDTW Detroit Metropolitan Wayne County-LIS Lisbon Humberto Delgado

33h 30m1 stop Istanbul

4:10 pm - 6:00 pmLIS Lisbon Humberto Delgado-DTW Detroit Metropolitan Wayne County

30h 50m1 stop Istanbul

$1,077Turkish Airlines

Tue, Nov 10 - Thu, Nov 12

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Air Canada flights from Detroit to Portugal

Our best Air Canada deals on Detroit to Portugal flight tickets

Air Canada

Dec 9

DTW8:41 amDetroit Metropolitan Wayne County

17h 14m

2 stops

LIS6:55 amLisbon Humberto Delgado

Dec 16

LIS6:00 amLisbon Humberto Delgado

16h 40m

2 stops

DTW5:40 pmDetroit Metropolitan Wayne County

$746

Air Canada

Jan 18

DTW6:00 amDetroit Metropolitan Wayne County

22h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 27

LIS11:20 amLisbon Humberto Delgado

31h 44m

2 stops

DTW2:04 pmDetroit Metropolitan Wayne County

$753

Air Canada

Apr 11

DTW6:20 pmDetroit Metropolitan Wayne County

11h 45m

1 stop

LIS11:05 amLisbon Humberto Delgado

Apr 23

LIS11:25 amLisbon Humberto Delgado

34h 54m

2 stops

DTW5:19 pmDetroit Metropolitan Wayne County

$759

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets

United Airlines

Feb 14

DTW4:05 pmDetroit Metropolitan Wayne County

18h 15m

1 stop

OPO3:20 pmPorto

Feb 17

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$726

United Airlines

Mar 1

DTW4:05 pmDetroit Metropolitan Wayne County

14h 40m

1 stop

OPO11:45 amPorto

Mar 3

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$727

United Airlines

Dec 6

DTW5:20 pmDetroit Metropolitan Wayne County

11h 10m

1 stop

OPO9:30 amPorto

Dec 22

OPO6:00 amPorto

13h 15m

1 stop

DTW2:15 pmDetroit Metropolitan Wayne County

$729

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 3/1

4:05 pm-11:45 am

1 stop14h 40m

Porto

Wed 3/3

6:00 am-2:15 pm

1 stop13h 15m

$705

Quickest round-trip

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Sun 12/6

6:20 pm-9:20 am

1 stop10h 00m

Lisbon Humberto Delgado

Tue 12/22

5:00 am-2:15 pm

1 stop14h 15m

$716

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 3/1

4:05 pm-3:30 pm

1 stop18h 25m

Porto

Wed 3/3

6:00 am-5:39 pm

2 stops40h 39m

$719

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

$726

DetroitPorto

DTW Detroit Metropolitan Wayne County - OPO Porto

DTWOPO

Detroit Metropolitan Wayne County

Mon 3/1

4:05 pm-11:45 am

1 stop14h 40m

Porto

Wed 3/3

6:00 am-2:15 pm

1 stop13h 15m

$727

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Sun 2/7

11:04 am-9:05 am

1 stop17h 01m

Lisbon Humberto Delgado

Wed 3/17

11:05 am-10:46 am

1 stop27h 41m

$731

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Tue 3/2

6:19 pm-11:30 pm

2 stops24h 11m

Lisbon Humberto Delgado

Thu 3/11

5:00 am-2:15 pm

1 stop14h 15m

$733

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Wed 12/9

6:00 am-6:55 am

2 stops19h 55m

Lisbon Humberto Delgado

Tue 12/15

12:50 pm-6:29 pm

2 stops34h 39m

$743

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Tue 12/8

7:10 pm-6:55 am

2 stops30h 45m

Lisbon Humberto Delgado

Tue 12/15

12:50 pm-8:52 pm

2 stops37h 02m

$743

DetroitLisbon

DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado

DTWLIS

Detroit Metropolitan Wayne County

Sun 3/21

6:00 am-9:45 pm

2 stops35h 45m

Lisbon Humberto Delgado

Fri 3/26

11:05 am-11:24 pm

1 stop16h 19m

$782

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 $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 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 $766.

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 $874 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 $705 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	$340
Fastest flight time	9h 58m
Direct flights	None

The best one-way flight to Portugal from Detroit in the past 72 hours is $340. The best round-trip flight deal from Detroit to Portugal found on momondo in the last 72 hours is $705.

The fastest flight from Detroit to Portugal takes 9h 58m

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 8,290 reviews	Search Lufthansa flights
WestJet	PriceFrom $522	Free Cancellation	Rating 7.2 3,435 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 8,700 reviews	Search Delta flights
Air Canada	PriceFrom $578	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $600	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
British Airways	PriceFrom $672	Free Cancellation	Rating 6.7 8,286 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $932	Free Cancellation	Rating 7.2 2,395 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

Other flights from Detroit

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Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $358

Flights to Portofrom $399

Flights to Funchalfrom $594

Flights to Farofrom $577

Flights to Ponta Delgadafrom $401

Flights to Lajesfrom $312

Flights to Hortafrom $433

Flights to Pico Islandfrom $585

Flights to Porto Santofrom $931

Flights to Velasfrom $588

Cheap flights from Detroit to Portugal from $340

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 2/20. 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

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Cheap last minute flights

Big names and deals

Big names and deals

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Filter for what you want

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Price Alerts

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Air Canada flights from Detroit to Portugal

Our best Air Canada 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