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Cheap flights from Detroit to Portugal from $318

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 8/1. 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.
Multiple Airlines Logo
6:50 pm - 10:35 pm
DTW
-
LIS
22h 45m
2 stops
Multiple Airlines Logo
6:10 am - 9:40 pm
LIS
-
DTW
20h 30m
2 stops
$640Multiple Airlines
Thu, Aug 20 - Sat, Sep 5
Multiple Airlines Logo
6:50 pm - 10:35 pm
DTW
-
LIS
22h 45m
2 stops
Multiple Airlines Logo
6:10 am - 5:20 pm
LIS
-
DTW
16h 10m
1 stop
$657Multiple Airlines
Thu, Aug 20 - Sat, Sep 5
WestJet Logo
5:30 pm - 8:55 pm
DTW
-
LIS
22h 25m
1 stop
WestJet Logo
6:10 am - 5:20 pm
LIS
-
DTW
16h 10m
1 stop
$687WestJet
Sat, Aug 29 - Thu, Sep 10
WestJet Logo
5:30 pm - 9:55 pm
DTW
-
LIS
23h 25m
1 stop
WestJet Logo
6:10 am - 5:20 pm
LIS
-
DTW
16h 10m
1 stop
$691WestJet
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
2:52 pm - 8:40 am
DTW
-
PDL
13h 48m
1 stop
United Airlines Logo
11:00 am - 6:12 pm
PDL
-
DTW
11h 12m
1 stop
$806United Airlines
Mon, Aug 17 - Wed, Aug 26
United Airlines Logo
10:30 am - 8:40 am
DTW
-
PDL
18h 10m
2 stops
United Airlines Logo
11:00 am - 11:56 pm
PDL
-
DTW
16h 56m
2 stops
$811United Airlines
Mon, Aug 17 - Wed, Aug 26
KLM Logo
10:30 pm - 9:35 am
DTW
-
FNC
30h 05m
1 stop
KLM Logo
6:00 pm - 4:29 pm
FNC
-
DTW
26h 29m
1 stop
$845KLM
Mon, Oct 19 - Fri, Oct 30
KLM Logo
7:45 pm - 9:15 am
DTW
-
FNC
32h 30m
2 stops
KLM Logo
6:00 pm - 6:48 pm
FNC
-
DTW
28h 48m
1 stop
$849KLM
Tue, Oct 20 - Fri, Oct 30
TAP AIR PORTUGAL Logo
8:00 am - 1:15 pm
DTW
-
FNC
24h 15m
2 stops
TAP AIR PORTUGAL Logo
4:10 am - 10:20 pm
FNC
-
DTW
22h 10m
2 stops
$914TAP AIR PORTUGAL
Tue, Oct 20 - Fri, Oct 30
TAP AIR PORTUGAL Logo
3:08 pm - 12:10 am
DTW
-
FNC
28h 02m
2 stops
TAP AIR PORTUGAL Logo
9:15 pm - 10:20 pm
FNC
-
DTW
29h 05m
2 stops
$922TAP AIR PORTUGAL
Tue, Oct 20 - Thu, Oct 29

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WestJet flights from Detroit to Portugal

Our best WestJet deals on Detroit to Portugal flight tickets
WestJet
Aug 29
DTW5:30 pmDetroit Metropolitan Wayne County
22h 25m
1 stop
LIS8:55 pmLisbon Humberto Delgado
Sep 10
LIS6:10 amLisbon Humberto Delgado
16h 10m
1 stop
DTW5:20 pmDetroit Metropolitan Wayne County
$687
WestJet
Sep 5
DTW5:30 pmDetroit Metropolitan Wayne County
23h 25m
1 stop
LIS9:55 pmLisbon Humberto Delgado
Sep 12
LIS6:10 amLisbon Humberto Delgado
16h 10m
1 stop
DTW5:20 pmDetroit Metropolitan Wayne County
$691
WestJet
Aug 20
DTW5:30 pmDetroit Metropolitan Wayne County
24h 05m
1 stop
LIS10:35 pmLisbon Humberto Delgado
Sep 5
LIS6:10 amLisbon Humberto Delgado
16h 10m
1 stop
DTW5:20 pmDetroit Metropolitan Wayne County
$692

British Airways flights from Detroit to Portugal

Our best British Airways deals on Detroit to Portugal flight tickets
British Airways
Jul 19
DTW10:53 amDetroit Metropolitan Wayne County
17h 12m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jul 27
LIS6:45 pmLisbon Humberto Delgado
31h 01m
2 stops
DTW8:46 pmDetroit Metropolitan Wayne County
$1,299
British Airways
Jul 19
DTW10:53 amDetroit Metropolitan Wayne County
17h 12m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jul 27
LIS6:45 pmLisbon Humberto Delgado
31h 01m
2 stops
DTW8:46 pmDetroit Metropolitan Wayne County
$1,308

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 12, 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

Thu 8/20

6:50 pm-10:35 pm

2 stops22h 45m

Lisbon Humberto Delgado

Sat 9/5

6:10 am-9:40 pm

2 stops20h 30m

$640

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 8/20

6:50 pm-10:35 pm

2 stops22h 45m

Lisbon Humberto Delgado

Sat 9/5

6:10 am-5:20 pm

1 stop16h 10m

$657

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 8/29

5:30 pm-8:55 pm

1 stop22h 25m

Lisbon Humberto Delgado

Thu 9/10

6:10 am-5:20 pm

1 stop16h 10m

$687

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 9/5

5:30 pm-9:55 pm

1 stop23h 25m

Lisbon Humberto Delgado

Sat 9/12

6:10 am-5:20 pm

1 stop16h 10m

$691
Quickest round-trip

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Mon 8/17

2:52 pm-8:40 am

1 stop13h 48m

Ponta Delgada Nordela

Wed 8/26

11:00 am-6:12 pm

1 stop11h 12m

$806

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Mon 8/17

10:30 am-8:40 am

2 stops18h 10m

Ponta Delgada Nordela

Wed 8/26

11:00 am-11:56 pm

2 stops16h 56m

$811

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 10/19

10:30 pm-9:35 am

1 stop30h 05m

Funchal Madeira

Fri 10/30

6:00 pm-4:29 pm

1 stop26h 29m

$845

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 10/20

7:45 pm-9:15 am

2 stops32h 30m

Funchal Madeira

Fri 10/30

6:00 pm-6:48 pm

1 stop28h 48m

$849

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 10/20

8:00 am-1:15 pm

2 stops24h 15m

Funchal Madeira

Fri 10/30

4:10 am-10:20 pm

2 stops22h 10m

$914

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 10/20

3:08 pm-12:10 am

2 stops28h 02m

Funchal Madeira

Thu 10/29

9:15 pm-10:20 pm

2 stops29h 05m

$922

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 September. Flight prices, which tend to average around $441, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Portugal from Detroit during March instead. Flights to Portugal in March, while not as cheap as those in September, still average around $477.

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

10h 00m

Direct flights

None
The fastest flight from Detroit to Portugal takes 10h 00m
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
8,458 reviews
Search Delta flights
LufthansaPriceFrom $509Free CancellationRating
6.8
8,131 reviews
Search Lufthansa flights
WestJetPriceFrom $521Free CancellationRating
7.2
3,409 reviews
Search WestJet flights
KLMPriceFrom $528Free CancellationRating
7.8
1,537 reviews
Search KLM flights
Turkish AirlinesPriceFrom $588Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,980 reviews
Search United Airlines flights
Air CanadaPriceFrom $614Free CancellationRating
7.1
11,332 reviews
Search Air Canada flights
British AirwaysPriceFrom $672Free CancellationRating
6.7
8,105 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $682Free CancellationRating
7.2
2,336 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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