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Portugal

$226+ Cheap flights from Detroit (DTT) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LIS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Detroit to Portugal

Cheapest flights from Detroit to Portugal
Explore the most affordable flight options available from Detroit to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:35 pm
DTW
-
LIS
1 stop18h 15m
Delta
Fri 5/85:00 am
LIS
-
DTW
1 stop13h 35m
Delta
Deal found 2/1$519
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:15 pm
DTW
-
LIS
2 stops15h 05m
Multiple Airlines
Tue 3/245:00 am
LIS
-
DTW
1 stop13h 55m
Multiple Airlines
Deal found 2/2$523
This Vliegwinkel deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:00 am
DTW
-
LIS
1 stop25h 40m
Multiple Airlines
Wed 2/2512:05 pm
LIS
-
DTW
1 stop17h 04m
Multiple Airlines
Deal found 2/1$524
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/97:15 am
DTW
-
LIS
2 stops19h 55m
United Airlines
Wed 2/255:00 am
LIS
-
DTW
1 stop14h 15m
United Airlines
Deal found 2/1$526
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:03 am
DTW
-
LIS
2 stops17h 47m
Delta
Tue 11/35:00 am
LIS
-
DTW
1 stop15h 55m
Delta
Deal found 2/2$527
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:19 pm
DTW
-
LIS
2 stops12h 51m
United Airlines
Wed 3/45:00 am
LIS
-
DTW
1 stop13h 55m
United Airlines
Deal found 2/2$528
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:15 pm
DTW
-
LIS
2 stops16h 15m
Multiple Airlines
Wed 4/15:05 am
LIS
-
DTW
1 stop13h 50m
Multiple Airlines
Deal found 2/1$530
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:10 pm
DTW
-
LIS
1 stop24h 45m
WestJet
Sat 6/136:00 am
LIS
-
DTW
1 stop16h 20m
WestJet
Deal found 2/3$532
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/174:38 pm
DTW
-
LIS
1 stop10h 32m
United Airlines
Thu 2/265:00 am
LIS
-
DTW
1 stop14h 15m
United Airlines
Deal found 2/3$535
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/102:33 pm
DTW
-
LIS
1 stop12h 37m
United Airlines
Thu 2/195:00 am
LIS
-
DTW
1 stop14h 15m
United Airlines
Deal found 2/2$536
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/174:38 pm
DTW
-
LIS
1 stop10h 32m
United Airlines
Tue 2/2411:20 am
LIS
-
DTW
2 stops33h 05m
United Airlines
Deal found 2/3$537
This KLM deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:35 pm
DTW
-
FNC
1 stop32h 00m
KLM
Mon 3/1610:25 am
FNC
-
DTW
1 stop31h 45m
KLM
Deal found 2/2$569

Find flight deals from Detroit to Portugal

Keep the following information in mind while searching for Detroit to Portugal flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(Delta)

One-way from

$226
(Trip.com)

Popular in

June

Cheapest in

December

Average price

$770
Provider with most accurate pricing for Detroit (DTT)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Lisbon Humberto Delgado flights.
Search Deals
From Detroit (DTT) to Portugal
Search Deals
One-way flight from Detroit (DTT) to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Detroit to Portugal that are best for you.

Fly from

Detroit

Fly to

Portugal

Route

Depart

Return

Price

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 5/4

6:35 pm-5:50 pm

1 stop18h 15m

Lisbon Humberto Delgado

Fri 5/8

5:00 am-1:35 pm

1 stop13h 35m

$519

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 2/17

4:38 pm-8:10 am

1 stop10h 32m

Lisbon Humberto Delgado

Fri 2/27

5:00 am-8:22 pm

2 stops20h 22m

$545

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 2/18

4:38 pm-8:10 am

1 stop10h 32m

Lisbon Humberto Delgado

Fri 2/27

5:00 am-5:57 pm

2 stops17h 57m

$545

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 3/2

8:35 pm-9:35 am

1 stop32h 00m

Funchal Madeira

Mon 3/16

10:25 am-2:10 pm

1 stop31h 45m

$569

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 3/17

7:25 pm-9:30 am

1 stop34h 05m

Funchal Madeira

Wed 3/25

10:25 am-4:55 pm

1 stop34h 30m

$575

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 2/16

4:05 pm-11:30 am

1 stop14h 25m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-2:15 pm

1 stop14h 15m

$579

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 2/15

4:05 pm-1:20 pm

2 stops16h 15m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-5:25 pm

2 stops17h 25m

$585

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 2/19

7:43 pm-10:15 am

1 stop9h 32m

Lisbon Humberto Delgado

Thu 2/26

5:00 am-2:15 pm

1 stop14h 15m

$585

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 3/17

4:29 pm-9:00 am

1 stop12h 31m

Lisbon Humberto Delgado

Tue 3/24

6:30 pm-2:40 pm

1 stop24h 10m

$587

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 2/19

7:43 pm-10:15 am

1 stop9h 32m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-6:08 pm

2 stops18h 08m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 34 results
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Best time to book a flight from Detroit to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Portugal

What is the cheapest month to book a flight from Detroit to Portugal?

Currently, September is the cheapest month in which you can book a flight from Detroit to Portugal (average of $441). Flying from Detroit to Portugal in July is currently the most expensive (average of $806). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Air Canada from Detroit to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,236 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,684 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to Portugal?

    Located just 0.6 mi from the city center, Detroit All airports (DTT) is the airport most travelers will use when flying to Portugal from Detroit.

  • How long is the flight from Detroit to Portugal?

    A quick flight from Detroit to Portugal can take about 10h 32m. Delta provides one of the quickest options available for as low as $545. Airlines will cover a distance of 3777 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Detroit to Portugal one-way?

    $355 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and TAP AIR PORTUGAL, with prices starting from $355 and $366, respectively.

  • What are the most popular routes from Detroit to Portugal?

    When deciding which route to take from Detroit to Portugal consider Detroit Metropolitan Wayne County - Lisbon Humberto Delgado, Detroit Metropolitan Wayne County - Ponta Delgada Nordela or Detroit Metropolitan Wayne County - Funchal Madeira as they are the most popular.

  • Can I find deals for flights from Detroit to Portugal that include hotel bookings?

    Yes. In addition to deals on Detroit to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Portugal.

  • Can I find deals for business class flights from Detroit to Portugal?

    Yes. Cheapflights offers flight deals from Detroit to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to Portugal?

    Currently, September is the cheapest month in which you can book a flight from Detroit to Portugal (average of $441). Flying from Detroit to Portugal in July is currently the most expensive (average of $806). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Detroit to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Detroit to Portugal

Discover the top 10 airlines that operate flights from Detroit to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$441Average$995FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$528Average$836FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$579Average$1,140FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$588Average$651FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$599Average$1,042FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$600Average$920FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$609Average$898FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$615Average$823FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$683Average$972FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$694Average$845FlexibilityNo cancel feeOn-timeN/A

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