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$270+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LIS
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$695
(Mytrip)

One-way from

$270
(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. 19% potential increase in price ($226 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 1, 2025.

This oojo deal was found by Cheapflights users on 3/31. 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 11/268:10 pmDTW - LIS
1 stop33h 25mTurkish Airlines
Sun 12/74:00 pmLIS - DTW
1 stop31h 15mTurkish Airlines
Deal found 3/31$679
This Air Canada deal was found by Cheapflights users on 3/31. 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 11/2610:35 amDTW - LIS
1 stop17h 45mAir Canada
Sun 12/75:00 amLIS - DTW
2 stops20h 11mAir Canada
Deal found 3/31$682
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:18 amDTW - LIS
2 stops21h 02mUnited Airlines
Mon 11/35:00 amLIS - DTW
1 stop13h 55mUnited Airlines
Deal found 3/31$686
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 5/126:45 amDTW - LIS
3 stops31h 00mMultiple Airlines
Wed 5/218:05 amLIS - DTW
3 stops33h 10mMultiple Airlines
Deal found 3/31$695
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 10/151:50 pmDTW - LIS
2 stops14h 00mDelta
Mon 11/35:00 amLIS - DTW
2 stops20h 11mDelta
Deal found 4/1$713
This Gurufare deal was found by Cheapflights users on 3/31. 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 12/2411:13 amDTW - LIS
1 stop16h 52mBritish Airways
Sat 1/106:40 pmLIS - DTW
2 stops33h 07mBritish Airways
Deal found 3/31$765
This Mytrip deal was found by Cheapflights users on 3/31. 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 4/16:45 amDTW - PDL
2 stops37h 00mMultiple Airlines
Tue 4/87:30 amPDL - DTW
2 stops21h 29mMultiple Airlines
Deal found 3/31$775
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Mon 10/62:30 pmDTW - LIS
2 stops23h 30mTAP AIR PORTUGAL
Wed 10/1512:55 pmLIS - DTW
2 stops36h 07mTAP AIR PORTUGAL
Deal found 3/31$787
This lol.travel deal was found by Cheapflights users on 4/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/204:00 pmDTW - LIS
1 stop18h 25mLufthansa
Tue 5/65:05 amLIS - DTW
1 stop14h 05mLufthansa
Deal found 4/1$794
This Finnair deal was found by Cheapflights users on 3/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:52 pmDTW - LIS
2 stops24h 33mFinnair
Thu 5/156:35 amLIS - DTW
2 stops22h 54mFinnair
Deal found 3/31$812
This Air France deal was found by Cheapflights users on 3/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/219:20 pmDTW - LIS
1 stop12h 30mAir France
Wed 4/3010:00 amLIS - DTW
1 stop13h 24mAir France
Deal found 3/31$815
This Expedia deal was found by Cheapflights users on 3/31. 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.
Mon 4/212:10 pmDTW - FNC
2 stops38h 25mSWISS
Mon 4/285:15 pmFNC - DTW
2 stops28h 48mSWISS
Deal found 3/31$821

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 1, 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

Mon 5/12

6:45 am-6:45 pm

3 stops31h 00m

Lisbon Humberto Delgado

Wed 5/21

8:05 am-12:15 pm

3 stops33h 10m

$695

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 9/9

9:00 pm-11:35 pm

1 stop21h 35m

Lisbon Humberto Delgado

Sun 9/21

10:55 am-7:05 pm

1 stop37h 10m

$699

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 4/20

4:00 pm-3:25 pm

1 stop18h 25m

Lisbon Humberto Delgado

Tue 5/6

5:05 am-2:10 pm

1 stop14h 05m

$794

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 4/20

7:35 pm-10:30 am

1 stop9h 55m

Lisbon Humberto Delgado

Tue 5/6

11:25 am-8:15 pm

1 stop13h 50m

$801

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sat 5/3

5:40 pm-10:35 pm

2 stops47h 55m

Lisbon Humberto Delgado

Wed 5/14

1:10 pm-9:41 pm

2 stops37h 31m

$802

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Wed 5/7

5:52 pm-11:25 pm

2 stops24h 33m

Lisbon Humberto Delgado

Thu 5/15

6:35 am-12:29 am

2 stops22h 54m

$812

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Mon 4/21

9:20 pm-2:50 pm

1 stop12h 30m

Lisbon Humberto Delgado

Wed 4/30

10:00 am-6:24 pm

1 stop13h 24m

$815

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Tue 4/15

5:50 pm-2:50 pm

1 stop16h 00m

Lisbon Humberto Delgado

Wed 4/23

5:00 am-3:45 pm

1 stop15h 45m

$819

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

Mon 4/21

2:10 pm-9:35 am

2 stops38h 25m

Funchal Madeira

Mon 4/28

5:15 pm-5:03 pm

2 stops28h 48m

$821

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

Sun 5/4

10:25 pm-6:40 pm

1 stop15h 15m

Lisbon Humberto Delgado

Tue 5/13

5:00 am-1:35 pm

1 stop13h 35m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 36 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, 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 1, 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 1, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

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?

    $583 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 British Airways and Aer Lingus, with prices starting from $607 and $668, 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 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$559Average$663FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$561Average$892FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$562Average$1,187FlexibilityNo cancel feeOn-time69%
KLMCheapest$563Average$882FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$567Average$745FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$576Average$986FlexibilityNo cancel feeOn-time76%
DeltaCheapest$588Average$1,021FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$609Average$890FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$771Average$970FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$940Average$1,218FlexibilityNo cancel feeOn-timeN/A

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