HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$282+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Portugal with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$622
(Turkish Airlines)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$801
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. 18% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find 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 20, 2025.

This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/139:10 pmDTW - LIS
1 stop33h 25mTurkish Airlines
Tue 3/184:00 pmLIS - DTW
1 stop31h 15mTurkish Airlines
Deal found 2/20$622
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:17 pmDTW - LIS
1 stop11h 48mMultiple Airlines
Tue 5/139:15 pmLIS - DTW
2 stops46h 29mMultiple Airlines
Deal found 2/20$629
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/114:19 pmDTW - LIS
2 stops13h 56mUnited Airlines
Wed 3/195:00 amLIS - DTW
1 stop13h 55mUnited Airlines
Deal found 2/20$676
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:30 amDTW - LIS
2 stops16h 50mAir Canada
Sun 12/75:00 amLIS - DTW
2 stops33h 51mAir Canada
Deal found 2/20$680
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/94:45 pmDTW - LIS
1 stop14h 40mLufthansa
Fri 3/215:00 amLIS - DTW
1 stop13h 55mLufthansa
Deal found 2/20$694
This Mytrip deal was found by Cheapflights users on 2/19. 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 3/258:48 pmDTW - FNC
3 stops34h 17mMultiple Airlines
Mon 3/311:25 pmFNC - DTW
2 stops28h 10mMultiple Airlines
Deal found 2/19$700
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/297:14 pmDTW - PDL
1 stop31h 06mMultiple Airlines
Fri 4/46:05 pmPDL - DTW
1 stop10h 54mMultiple Airlines
Deal found 2/20$701
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:42 pmDTW - LIS
2 stops36h 28mBritish Airways
Sun 11/166:40 pmLIS - DTW
2 stops31h 30mBritish Airways
Deal found 2/20$723
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:00 amDTW - LIS
2 stops31h 20mSWISS
Mon 4/285:55 amLIS - DTW
2 stops40h 08mSWISS
Deal found 2/20$808
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Fri 9/2612:00 pmDTW - LIS
2 stops29h 35mTAP AIR PORTUGAL
Tue 10/75:55 pmLIS - DTW
1 stop33h 08mTAP AIR PORTUGAL
Deal found 2/20$869
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:05 pmDTW - PDL
2 stops20h 45mTAP AIR PORTUGAL
Thu 9/187:40 pmPDL - DTW
2 stops42h 29mTAP AIR PORTUGAL
Deal found 2/20$873
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:45 amDTW - FNC
2 stops24h 40mTAP AIR PORTUGAL
Mon 9/19:50 pmFNC - DTW
2 stops53h 13mTAP AIR PORTUGAL
Deal found 2/19$1,218

Find flights from Detroit to Portugal within your budget

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 20, 2025.

Fly from

Detroit

Fly to

Portugal

Route

Depart

Return

Price

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 3/13

9:10 pm-10:35 am

1 stop33h 25m

Lisbon Humberto Delgado

Tue 3/18

4:00 pm-7:15 pm

1 stop31h 15m

$622

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 5/7

5:17 pm-10:05 am

1 stop11h 48m

Lisbon Humberto Delgado

Tue 5/13

9:15 pm-2:44 pm

2 stops46h 29m

$629

DetroitLajes

DTW - TER

DTWTER

Detroit Metropolitan Wayne County

Tue 3/18

8:29 pm-8:50 am

2 stops33h 21m

Lajes

Tue 3/25

5:55 pm-12:59 am

1 stop10h 04m

$655

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 3/11

4:19 pm-10:15 am

2 stops13h 56m

Lisbon Humberto Delgado

Wed 3/19

5:00 am-2:55 pm

1 stop13h 55m

$676

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 3/9

5:57 pm-11:30 pm

2 stops25h 33m

Lisbon Humberto Delgado

Wed 3/19

5:00 am-2:55 pm

1 stop13h 55m

$696

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Tue 3/25

8:48 pm-11:05 am

3 stops34h 17m

Funchal Madeira

Mon 3/31

1:25 pm-12:35 pm

2 stops28h 10m

$700

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

Sat 3/29

7:14 pm-5:20 am

1 stop31h 06m

Ponta Delgada Nordela

Fri 4/4

6:05 pm-12:59 am

1 stop10h 54m

$701

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 4/8

7:17 am-11:10 am

2 stops22h 53m

Lisbon Humberto Delgado

Fri 4/25

11:25 am-10:03 am

2 stops27h 38m

$787

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 4/9

11:00 am-11:20 pm

2 stops31h 20m

Lisbon Humberto Delgado

Mon 4/28

12:35 pm-5:03 pm

2 stops33h 28m

$808

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Fri 4/11

5:55 pm-10:05 am

2 stops35h 10m

Lisbon Humberto Delgado

Fri 4/25

11:05 am-8:54 pm

1 stop14h 49m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 26 results
1
2
3

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.

Travel insights for flights from Detroit to Portugal

Get recent, data-driven insights about flights from Detroit to Portugal including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Detroit to Portugal (average of $612). Flying from Detroit to Portugal in June is currently the most expensive (average of $1,234). 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.

What is the cheapest time of day to fly from DTT to PT?

Find hourly flight availability from Detroit to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 20, 2025.
Read reviews from past customers who have flown KLM, SWISS and United Airlines from Detroit to Portugal. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Turkish Airlines
7.3
Good
3,832 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Scandinavian Airlines
7.3
Good
1,325 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

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

    $455 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on United Airlines and Icelandair, with prices starting from $468 and $511, 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, January is the cheapest month in which you can book a flight from Detroit to Portugal (average of $612). Flying from Detroit to Portugal in June is currently the most expensive (average of $1,234). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Athens flights
O'Hare Intl to Dublin flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Madrid flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Orly flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Lisbon flights
Detroit to Heathrow flights
O'Hare Intl to Frankfurt flights
Midway to Charles de Gaulle flights
O'Hare Intl to Zurich flights
Midway to Leonardo da Vinci/Fiumicino flights
Midway to Heathrow flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Krakow flights
Detroit to Leonardo da Vinci/Fiumicino flights
Detroit to Charles de Gaulle flights
Midway to Athens flights
O'Hare Intl to Copenhagen flights
Midway to Dublin flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Edinburgh flights
Midway to Barcelona-El Prat flights
Detroit to Frankfurt flights
O'Hare Intl to Vienna flights
O'Hare Intl to Oslo Gardermoen flights
O'Hare Intl to Linate flights
Detroit to Gatwick flights
O'Hare Intl to Bruxelles-National flights
Detroit to Amsterdam flights
O'Hare Intl to Sabiha Gokcen flights
O'Hare Intl to Munich flights
Detroit to Istanbul flights
Midway to Madrid flights
Detroit to London City flights
Detroit to Dublin flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Belgrade flights
Midway to Lisbon flights
Detroit to Keflavik Intl flights
Midway to Istanbul flights
O'Hare Intl to Prague flights
Midway to Amsterdam flights

Top 9 airlines flying from Detroit to Portugal

Discover the top 9 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$552Average$765FlexibilityNo cancel feeOn-time77%
DeltaCheapest$553Average$1,021FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$559Average$681FlexibilityNo cancel feeOn-time77%
KLMCheapest$563Average$960FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$567Average$737FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,189FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$576Average$965FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$609Average$897FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$678Average$990FlexibilityNo cancel feeOn-time67%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.