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Cheap flights from Detroit to Portugal from $314

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 10/14. 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
2:00 pm - 9:20 am
DTW
-
LIS
14h 20m
1 stop
Multiple Airlines Logo
5:00 am - 2:15 pm
LIS
-
DTW
14h 15m
1 stop
$681Multiple Airlines
Tue, Oct 20 - Tue, Nov 3
Multiple Airlines Logo
6:26 pm - 9:20 am
DTW
-
LIS
34h 54m
2 stops
Multiple Airlines Logo
5:00 am - 2:15 pm
LIS
-
DTW
14h 15m
1 stop
$695Multiple Airlines
Sat, Oct 31 - Wed, Nov 18
Lufthansa Logo
6:00 pm - 11:30 pm
DTW
-
LIS
24h 30m
2 stops
Lufthansa Logo
5:00 am - 4:57 pm
LIS
-
DTW
16h 57m
2 stops
$699Lufthansa
Wed, Jan 6 - Wed, Jan 13
Air Canada Logo
6:26 pm - 9:20 am
DTW
-
LIS
34h 54m
2 stops
Air Canada Logo
11:20 am - 3:27 pm
LIS
-
DTW
33h 07m
2 stops
$719Air Canada
Sat, Oct 31 - Wed, Nov 18
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
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
$738United Airlines
Tue, Oct 13 - Tue, Oct 20
Air Canada Logo
2:00 pm - 9:20 am
DTW
-
LIS
14h 20m
1 stop
Air Canada Logo
6:45 am - 9:29 pm
LIS
-
DTW
19h 44m
2 stops
$742Air Canada
Mon, Sep 21 - Tue, Oct 6
Delta Logo
5:47 pm - 2:55 pm
DTW
-
LIS
16h 08m
2 stops
Delta Logo
5:00 am - 8:00 pm
LIS
-
DTW
20h 00m
2 stops
$749Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
5:47 pm - 2:55 pm
DTW
-
LIS
16h 08m
2 stops
Delta Logo
5:00 am - 8:00 pm
LIS
-
DTW
20h 00m
2 stops
$754Delta
Tue, Oct 13 - Tue, Oct 20
Lufthansa Logo
7:11 pm - 10:45 pm
DTW
-
LIS
22h 34m
2 stops
Lufthansa Logo
5:05 am - 1:55 pm
LIS
-
DTW
13h 50m
1 stop
$760Lufthansa
Mon, Sep 28 - Tue, Oct 6

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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
Oct 6
DTW9:20 pmDetroit Metropolitan Wayne County
12h 35m
1 stop
LIS2:55 pmLisbon Humberto Delgado
Oct 14
LIS5:00 amLisbon Humberto Delgado
17h 19m
1 stop
DTW5:19 pmDetroit Metropolitan Wayne County
$764
Delta
Oct 6
DTW8:07 pmDetroit Metropolitan Wayne County
16h 43m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 14
LIS5:00 amLisbon Humberto Delgado
17h 19m
1 stop
DTW5:19 pmDetroit Metropolitan Wayne County
$768

United Airlines flights from Detroit to Portugal

Our best United Airlines deals on Detroit to Portugal flight tickets
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 26
DTW10:13 amDetroit Metropolitan Wayne County
20h 07m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 2
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$753
United Airlines
Oct 26
DTW10:13 amDetroit Metropolitan Wayne County
20h 07m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 2
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$754

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 August 2, 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

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

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 10/31

6:26 pm-9:20 am

2 stops34h 54m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-2:15 pm

1 stop14h 15m

$695

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 1/6

6:00 pm-11:30 pm

2 stops24h 30m

Lisbon Humberto Delgado

Wed 1/13

5:00 am-4:57 pm

2 stops16h 57m

$699

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 10/31

6:26 pm-9:20 am

2 stops34h 54m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-3:27 pm

2 stops33h 07m

$719
Quickest round-trip

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

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

$738

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 9/21

2:00 pm-9:20 am

1 stop14h 20m

Lisbon Humberto Delgado

Tue 10/6

6:45 am-9:29 pm

2 stops19h 44m

$742

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/13

5:47 pm-2:55 pm

2 stops16h 08m

Lisbon Humberto Delgado

Tue 10/20

5:00 am-8:00 pm

2 stops20h 00m

$749

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 10/13

5:47 pm-2:55 pm

2 stops16h 08m

Lisbon Humberto Delgado

Tue 10/20

5:00 am-8:00 pm

2 stops20h 00m

$754

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 9/28

7:11 pm-10:45 pm

2 stops22h 34m

Lisbon Humberto Delgado

Tue 10/6

5:05 am-1:55 pm

1 stop13h 50m

$760

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 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?

  • 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
8,173 reviews
Search Lufthansa flights
WestJetPriceFrom $522Free CancellationRating
7.2
3,424 reviews
Search WestJet flights
KLMPriceFrom $528Free CancellationRating
7.8
1,552 reviews
Search KLM flights
DeltaPriceFrom $561Free CancellationRating
7.8
8,488 reviews
Search Delta flights
Turkish AirlinesPriceFrom $597Free CancellationRating
7.4
4,461 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
Air CanadaPriceFrom $614Free CancellationRating
7.1
11,419 reviews
Search Air Canada flights
British AirwaysPriceFrom $672Free CancellationRating
6.7
8,143 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $698Free CancellationRating
7.2
2,354 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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