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$276+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LIS
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$812
(Gurufare)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$932
Provider with most accurate pricing for Detroit (DTT)-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Lisbon Humberto Delgado flights.
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From Detroit (DTT) to Portugal
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One-way flight from Detroit (DTT) to Portugal
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Highest demand for flights based on searches. 18% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/22. 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 8/185:32 pmDTW - PDL
1 stop11h 08mUnited Airlines
Wed 8/2711:00 amPDL - DTW
1 stop11h 08mUnited Airlines
Deal found 4/22$605
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:03 amDTW - LIS
2 stops29h 37mScandinavian Airlines
Wed 9/36:25 pmLIS - DTW
2 stops32h 40mScandinavian Airlines
Deal found 4/23$812
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/74:00 pmDTW - LIS
1 stop14h 25mUnited Airlines
Thu 5/1512:55 pmLIS - DTW
2 stops31h 25mUnited Airlines
Deal found 4/23$819
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Wed 5/74:00 pmDTW - LIS
1 stop14h 25mMultiple Airlines
Thu 5/1511:25 amLIS - DTW
1 stop15h 00mMultiple Airlines
Deal found 4/23$825
This FlightHub deal was found by Cheapflights users on 4/23. 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 8/289:00 pmDTW - LIS
1 stop31h 55mTurkish Airlines
Fri 9/511:10 amLIS - DTW
1 stop36h 55mTurkish Airlines
Deal found 4/23$835
This British Airways deal was found by Cheapflights users on 4/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:53 pmDTW - LIS
2 stops16h 02mBritish Airways
Tue 9/307:15 amLIS - DTW
2 stops18h 29mBritish Airways
Deal found 4/24$846
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:12 amDTW - LIS
2 stops19h 08mAir Canada
Tue 10/1411:25 amLIS - DTW
2 stops13h 40mAir Canada
Deal found 4/23$861
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:00 pmDTW - LIS
1 stop15h 05mAmerican Airlines
Wed 8/2011:05 amLIS - DTW
2 stops18h 04mAmerican Airlines
Deal found 4/23$879
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/710:00 amDTW - LIS
2 stops17h 50mDelta
Thu 5/155:00 amLIS - DTW
2 stops18h 37mDelta
Deal found 4/23$888
This Travelocity deal was found by Cheapflights users on 4/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:38 pmDTW - LIS
2 stops18h 12mIberia
Mon 10/208:45 pmLIS - DTW
2 stops31h 10mIberia
Deal found 4/23$896
This oojo deal was found by Cheapflights users on 4/22. 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.
Sat 10/115:40 pmDTW - PDL
2 stops36h 05mTAP AIR PORTUGAL
Sat 10/187:35 pmPDL - DTW
2 stops52h 27mTAP AIR PORTUGAL
Deal found 4/22$949
This FlightHub deal was found by Cheapflights users on 4/24. 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 9/52:30 pmDTW - LIS
2 stops26h 00mTAP AIR PORTUGAL
Sat 9/135:55 pmLIS - DTW
1 stop19h 27mTAP AIR PORTUGAL
Deal found 4/24$992

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 April 24, 2025.
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

Wed 8/27

10:03 am-8:40 pm

2 stops29h 37m

Lisbon Humberto Delgado

Wed 9/3

6:25 pm-10:05 pm

2 stops32h 40m

$812

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 5/7

4:00 pm-11:25 am

1 stop14h 25m

Lisbon Humberto Delgado

Thu 5/15

12:55 pm-3:20 pm

2 stops31h 25m

$819

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 5/7

4:00 pm-11:25 am

1 stop14h 25m

Lisbon Humberto Delgado

Thu 5/15

11:25 am-9:25 pm

1 stop15h 00m

$825

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 8/28

9:00 pm-9:55 am

1 stop31h 55m

Lisbon Humberto Delgado

Fri 9/5

11:10 am-7:05 pm

1 stop36h 55m

$835

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 9/22

8:53 pm-5:55 pm

2 stops16h 02m

Lisbon Humberto Delgado

Tue 9/30

7:15 am-8:44 pm

2 stops18h 29m

$846

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 10/1

9:12 am-9:20 am

2 stops19h 08m

Lisbon Humberto Delgado

Tue 10/14

11:25 am-8:05 pm

2 stops13h 40m

$861

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Thu 8/14

1:00 pm-9:05 am

1 stop15h 05m

Lisbon Humberto Delgado

Wed 8/20

11:05 am-12:09 am

2 stops18h 04m

$879

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 5/7

10:00 am-8:50 am

2 stops17h 50m

Lisbon Humberto Delgado

Thu 5/15

5:00 am-6:37 pm

2 stops18h 37m

$888

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 9/20

12:38 pm-11:50 am

2 stops18h 12m

Lisbon Humberto Delgado

Mon 10/20

8:45 pm-10:55 pm

2 stops31h 10m

$896

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Fri 9/5

2:30 pm-9:30 pm

2 stops26h 00m

Lisbon Humberto Delgado

Sat 9/13

5:55 pm-8:22 am

1 stop19h 27m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 25 results
1
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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, 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 $1,203). 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 April 24, 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 April 24, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France 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.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,775 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Icelandair. You may also be able to find cheap deals on Scandinavian Airlines and TAP AIR PORTUGAL, with prices starting from $544 and $562, 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 $1,203). 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$559Average$651FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$561Average$873FlexibilityNo cancel feeOn-time77%
KLMCheapest$563Average$879FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$567Average$745FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,201FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$576Average$1,064FlexibilityNo cancel feeOn-time76%
DeltaCheapest$587Average$1,039FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$609Average$912FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$771Average$967FlexibilityNo cancel feeOn-time67%

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