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Cheap flights from Detroit to Portugal from $299

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:30 pm - 9:45 pm
DTW
-
LIS
23h 15m
1 stop
WestJet Logo
6:15 am - 5:20 pm
LIS
-
DTW
16h 05m
1 stop
$637WestJet
Sun, Sep 20 - Tue, Sep 22
WestJet Logo
5:30 pm - 9:45 pm
DTW
-
LIS
23h 15m
1 stop
WestJet Logo
6:15 am - 5:20 pm
LIS
-
DTW
16h 05m
1 stop
$640WestJet
Sun, Sep 20 - Tue, Sep 22
WestJet Logo
5:30 pm - 9:55 pm
DTW
-
LIS
23h 25m
1 stop
WestJet Logo
6:15 am - 5:20 pm
LIS
-
DTW
16h 05m
1 stop
$644WestJet
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
6:50 pm - 9:45 pm
DTW
-
LIS
21h 55m
2 stops
Multiple Airlines Logo
6:15 am - 5:20 pm
LIS
-
DTW
16h 05m
1 stop
$646Multiple Airlines
Sun, Sep 20 - Tue, Sep 22
Multiple Airlines Logo
6:50 pm - 9:45 pm
DTW
-
LIS
21h 55m
2 stops
Multiple Airlines Logo
6:15 am - 9:29 pm
LIS
-
DTW
20h 14m
2 stops
$650Multiple Airlines
Sun, Sep 20 - Tue, Sep 22
United Airlines Logo
4:01 pm - 8:40 am
DTW
-
PDL
12h 39m
1 stop
United Airlines Logo
11:00 am - 6:12 pm
PDL
-
DTW
11h 12m
1 stop
$871United Airlines
Sun, Sep 6 - Wed, Sep 16
SWISS Logo
9:02 am - 9:30 am
DTW
-
FNC
43h 28m
2 stops
SWISS Logo
10:00 am - 10:15 pm
FNC
-
DTW
41h 15m
2 stops
$875SWISS
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
10:30 am - 8:40 am
DTW
-
PDL
18h 10m
2 stops
United Airlines Logo
11:00 am - 6:12 pm
PDL
-
DTW
11h 12m
1 stop
$876United Airlines
Sun, Sep 6 - Wed, Sep 16
TAP AIR PORTUGAL Logo
8:00 am - 11:40 am
DTW
-
FNC
22h 40m
2 stops
TAP AIR PORTUGAL Logo
5:50 am - 10:20 pm
FNC
-
DTW
21h 30m
2 stops
$914TAP AIR PORTUGAL
Mon, Sep 28 - Tue, Oct 6
TAP AIR PORTUGAL Logo
6:55 pm - 12:10 am
DTW
-
FNC
24h 15m
2 stops
TAP AIR PORTUGAL Logo
9:55 pm - 10:20 pm
FNC
-
DTW
29h 25m
2 stops
$933TAP AIR PORTUGAL
Mon, Sep 28 - Sun, Oct 4

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American Airlines flights from Detroit to Portugal

Our best American Airlines deals on Detroit to Portugal flight tickets
American Airlines
Jul 22
DTW5:30 pmDetroit Metropolitan Wayne County
10h 35m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jul 29
LIS11:05 amLisbon Humberto Delgado
17h 54m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$1,251
American Airlines
Jul 19
DTW10:25 amDetroit Metropolitan Wayne County
17h 40m
2 stops
LIS9:05 amLisbon Humberto Delgado
Jul 28
LIS11:05 amLisbon Humberto Delgado
17h 54m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$1,256
American Airlines
Jul 20
DTW7:17 pmDetroit Metropolitan Wayne County
15h 28m
2 stops
LIS3:45 pmLisbon Humberto Delgado
Jul 27
LIS11:05 amLisbon Humberto Delgado
17h 54m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$1,318

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets
United Airlines
Nov 18
DTW7:48 pmDetroit Metropolitan Wayne County
9h 32m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 27
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$704
United Airlines
Nov 18
DTW10:15 amDetroit Metropolitan Wayne County
19h 05m
1 stop
LIS10:20 amLisbon Humberto Delgado
Dec 2
LIS12:25 pmLisbon Humberto Delgado
30h 50m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$724
United Airlines
Nov 23
DTW2:07 pmDetroit Metropolitan Wayne County
15h 13m
2 stops
LIS10:20 amLisbon Humberto Delgado
Dec 2
LIS12:25 pmLisbon Humberto Delgado
30h 50m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$728

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Detroit to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 9/20

5:30 pm-9:45 pm

1 stop23h 15m

Lisbon Humberto Delgado

Tue 9/22

6:15 am-5:20 pm

1 stop16h 05m

$637

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 9/20

5:30 pm-9:45 pm

1 stop23h 15m

Lisbon Humberto Delgado

Tue 9/22

6:15 am-5:20 pm

1 stop16h 05m

$640

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 9/19

5:30 pm-9:55 pm

1 stop23h 25m

Lisbon Humberto Delgado

Tue 9/22

6:15 am-5:20 pm

1 stop16h 05m

$644

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 9/20

6:50 pm-9:45 pm

2 stops21h 55m

Lisbon Humberto Delgado

Tue 9/22

6:15 am-5:20 pm

1 stop16h 05m

$646

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 9/20

6:50 pm-9:45 pm

2 stops21h 55m

Lisbon Humberto Delgado

Tue 9/22

6:15 am-9:29 pm

2 stops20h 14m

$650
Quickest round-trip

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Sun 9/6

4:01 pm-8:40 am

1 stop12h 39m

Ponta Delgada Nordela

Wed 9/16

11:00 am-6:12 pm

1 stop11h 12m

$871

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 9/28

9:02 am-9:30 am

2 stops43h 28m

Funchal Madeira

Tue 10/6

10:00 am-10:15 pm

2 stops41h 15m

$875

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Sun 9/6

10:30 am-8:40 am

2 stops18h 10m

Ponta Delgada Nordela

Wed 9/16

11:00 am-6:12 pm

1 stop11h 12m

$876

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 9/28

8:00 am-11:40 am

2 stops22h 40m

Funchal Madeira

Tue 10/6

5:50 am-10:20 pm

2 stops21h 30m

$914

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 9/28

6:55 pm-12:10 am

2 stops24h 15m

Funchal Madeira

Sun 10/4

9:55 pm-10:20 pm

2 stops29h 25m

$933

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

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

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 January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $688.

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 $858 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 52% 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

14h 20m

Direct flights

None
The fastest flight from Detroit to Portugal takes 14h 20m
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?

  • 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
DeltaPriceFrom $441Free CancellationRating
7.8
8,476 reviews
Search Delta flights
LufthansaPriceFrom $509Free CancellationRating
6.8
8,143 reviews
Search Lufthansa flights
WestJetPriceFrom $522Free CancellationRating
7.2
3,409 reviews
Search WestJet flights
KLMPriceFrom $528Free CancellationRating
7.8
1,541 reviews
Search KLM flights
Turkish AirlinesPriceFrom $597Free CancellationRating
7.4
4,449 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights
Air CanadaPriceFrom $614Free CancellationRating
7.1
11,352 reviews
Search Air Canada flights
British AirwaysPriceFrom $672Free CancellationRating
6.7
8,122 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $682Free CancellationRating
7.2
2,338 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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Find better results for your trip to Portugal

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