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Cheap flights from Detroit to Portugal from $313

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 8/22. 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
5:30 pm - 9:45 pm
DTW
-
LIS
23h 15m
1 stop
Multiple Airlines Logo
11:00 pm - 5:20 pm
LIS
-
DTW
23h 20m
2 stops
$673Multiple Airlines
Fri, Aug 28 - Mon, Sep 7
Multiple Airlines Logo
6:20 pm - 9:20 am
DTW
-
LIS
10h 00m
1 stop
Multiple Airlines Logo
5:00 am - 2:15 pm
LIS
-
DTW
14h 15m
1 stop
$689Multiple Airlines
Sun, Nov 15 - Fri, Nov 27
United Airlines Logo
2:36 pm - 8:10 am
DTW
-
LIS
12h 34m
2 stops
United Airlines Logo
5:00 am - 2:15 pm
LIS
-
DTW
14h 15m
1 stop
$704United Airlines
Sun, Nov 15 - Fri, Nov 27
WestJet Logo
5:30 pm - 9:45 pm
DTW
-
LIS
23h 15m
1 stop
WestJet Logo
6:10 am - 5:20 pm
LIS
-
DTW
16h 10m
1 stop
$710WestJet
Fri, Aug 28 - Thu, Sep 10
Air Canada Logo
6:20 pm - 10:40 am
DTW
-
LIS
35h 20m
2 stops
Air Canada Logo
11:20 am - 5:23 pm
LIS
-
DTW
35h 03m
2 stops
$713Air Canada
Sun, Nov 15 - Fri, Nov 27
WestJet Logo
5:30 pm - 10:35 pm
DTW
-
LIS
24h 05m
1 stop
WestJet Logo
6:10 am - 5:20 pm
LIS
-
DTW
16h 10m
1 stop
$721WestJet
Thu, Aug 27 - Thu, Sep 10
Multiple Airlines Logo
5:30 pm - 10:35 pm
DTW
-
LIS
24h 05m
1 stop
Multiple Airlines Logo
8:55 pm - 5:39 pm
LIS
-
DTW
49h 44m
2 stops
$726Multiple Airlines
Thu, Aug 27 - Thu, Sep 10
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
$731WestJet
Sun, Aug 23 - Tue, Sep 8
United Airlines Logo
2:00 pm - 9:20 am
DTW
-
LIS
14h 20m
1 stop
United Airlines Logo
5:05 am - 1:55 pm
LIS
-
DTW
13h 50m
1 stop
$733United Airlines
Tue, Oct 13 - Tue, Oct 20
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
$871SWISS
Mon, Sep 28 - Tue, Oct 6

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American Airlines flights from Detroit to Portugal

Our best American Airlines deals on Detroit to Portugal flight tickets
American Airlines
Oct 27
DTW5:24 pmDetroit Metropolitan Wayne County
14h 26m
2 stops
LIS11:50 amLisbon Humberto Delgado
Nov 1
LIS7:45 amLisbon Humberto Delgado
17h 55m
2 stops
DTW8:40 pmDetroit Metropolitan Wayne County
$781
American Airlines
Aug 4
DTW12:58 pmDetroit Metropolitan Wayne County
15h 07m
1 stop
LIS9:05 amLisbon Humberto Delgado
Aug 12
LIS8:55 amLisbon Humberto Delgado
17h 38m
2 stops
DTW9:33 pmDetroit Metropolitan Wayne County
$1,244
American Airlines
Aug 4
DTW1:41 pmDetroit Metropolitan Wayne County
14h 24m
2 stops
LIS9:05 amLisbon Humberto Delgado
Aug 12
LIS8:55 amLisbon Humberto Delgado
17h 38m
2 stops
DTW9:33 pmDetroit Metropolitan Wayne County
$1,248

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets
United Airlines
Nov 15
DTW2:36 pmDetroit Metropolitan Wayne County
12h 34m
2 stops
LIS8:10 amLisbon Humberto Delgado
Nov 27
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$704
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
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
$738

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 23, 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

Fri 8/28

5:30 pm-9:45 pm

1 stop23h 15m

Lisbon Humberto Delgado

Mon 9/7

11:00 pm-5:20 pm

2 stops23h 20m

$673
Quickest round-trip

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 11/15

6:20 pm-9:20 am

1 stop10h 00m

Lisbon Humberto Delgado

Fri 11/27

5:00 am-2:15 pm

1 stop14h 15m

$689

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 11/15

2:36 pm-8:10 am

2 stops12h 34m

Lisbon Humberto Delgado

Fri 11/27

5:00 am-2:15 pm

1 stop14h 15m

$704

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Fri 8/28

5:30 pm-9:45 pm

1 stop23h 15m

Lisbon Humberto Delgado

Thu 9/10

6:10 am-5:20 pm

1 stop16h 10m

$710

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 11/15

6:20 pm-10:40 am

2 stops35h 20m

Lisbon Humberto Delgado

Fri 11/27

11:20 am-5:23 pm

2 stops35h 03m

$713

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 8/27

5:30 pm-10:35 pm

1 stop24h 05m

Lisbon Humberto Delgado

Thu 9/10

6:10 am-5:20 pm

1 stop16h 10m

$721

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 8/27

5:30 pm-10:35 pm

1 stop24h 05m

Lisbon Humberto Delgado

Thu 9/10

8:55 pm-5:39 pm

2 stops49h 44m

$726

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 8/23

5:30 pm-9:45 pm

1 stop23h 15m

Lisbon Humberto Delgado

Tue 9/8

6:15 am-5:20 pm

1 stop16h 05m

$731

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/13

2:00 pm-9:20 am

1 stop14h 20m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-1:55 pm

1 stop13h 50m

$733

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

$871

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 $857 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?

  • 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
LufthansaPriceFrom $509Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights
WestJetPriceFrom $522Free CancellationRating
7.2
3,411 reviews
Search WestJet flights
KLMPriceFrom $528Free CancellationRating
7.8
1,544 reviews
Search KLM flights
DeltaPriceFrom $561Free CancellationRating
7.8
8,479 reviews
Search Delta flights
Turkish AirlinesPriceFrom $597Free CancellationRating
7.4
4,447 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights
Air CanadaPriceFrom $614Free CancellationRating
7.1
11,371 reviews
Search Air Canada flights
British AirwaysPriceFrom $672Free CancellationRating
6.7
8,127 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $682Free CancellationRating
7.2
2,344 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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