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$235+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — LIS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$568
(Mytrip)

One-way from

$235
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,114
From Detroit (DTT) to Portugal
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One-way flight from Detroit (DTT) to Portugal
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:30 pmDTW - LIS
1 stop19h 50mIcelandair
dom. 11/169:20 pmLIS - DTW
1 stop26h 00mIcelandair
Deal found 7/30$565
This Mytrip deal was found by Cheapflights users on 7/29. 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.
mié. 9/248:50 pmDTW - LIS
2 stops31h 30mMultiple Airlines
lun. 9/295:55 amLIS - DTW
2 stops23h 04mMultiple Airlines
Deal found 7/29$568
This United Airlines deal was found by Cheapflights users on 7/31. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/237:15 amDTW - LIS
2 stops22h 00mUnited Airlines
mar. 12/211:20 amLIS - DTW
2 stops41h 38mUnited Airlines
Deal found 7/31$581
This Air Canada deal was found by Cheapflights users on 7/30. 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.
mié. 11/126:15 pmDTW - LIS
1 stop9h 40mAir Canada
jue. 11/2010:55 amLIS - DTW
2 stops33h 33mAir Canada
Deal found 7/30$584
This FlightHub deal was found by Cheapflights users on 7/28. 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.
sáb. 10/182:17 pmDTW - LIS
2 stops26h 48mScandinavian Airlines
lun. 10/274:55 pmLIS - DTW
2 stops33h 25mScandinavian Airlines
Deal found 7/28$594
This oojo deal was found by Cheapflights users on 7/31. 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.
lun. 10/69:00 pmDTW - LIS
1 stop21h 35mTurkish Airlines
mié. 10/155:55 amLIS - DTW
1 stop18h 10mTurkish Airlines
Deal found 7/31$607
This Lufthansa deal was found by Cheapflights users on 7/30. 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.
dom. 11/95:51 pmDTW - LIS
2 stops24h 39mLufthansa
mar. 11/185:00 amLIS - DTW
1 stop13h 55mLufthansa
Deal found 7/30$610
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/91:46 pmDTW - LIS
2 stops21h 19mIberia
jue. 11/206:30 amLIS - DTW
2 stops18h 43mIberia
Deal found 7/30$617
This Mytrip deal was found by Cheapflights users on 7/30. 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.
sáb. 11/810:42 amDTW - PDL
1 stop16h 13mMultiple Airlines
sáb. 11/155:55 pmPDL - DTW
1 stop18h 16mMultiple Airlines
Deal found 7/30$642
This oojo deal was found by Cheapflights users on 7/31. 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.
mié. 11/1911:32 amDTW - PDL
2 stops27h 03mTAP AIR PORTUGAL
mié. 11/267:25 pmPDL - DTW
2 stops27h 35mTAP AIR PORTUGAL
Deal found 7/31$721
This oojo deal was found by Cheapflights users on 7/30. 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.
jue. 9/1110:45 amDTW - FNC
2 stops21h 40mTAP AIR PORTUGAL
lun. 9/159:50 pmFNC - DTW
2 stops52h 17mTAP AIR PORTUGAL
Deal found 7/30$804
This Mytrip deal was found by Cheapflights users on 7/29. 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.
vie. 9/129:05 pmDTW - TER
3 stops46h 10mMultiple Airlines
vie. 9/197:10 amTER - DTW
2 stops20h 49mMultiple Airlines
Deal found 7/29$882

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 julio 31, 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

mié. 9/24

8:50 pm-9:20 am

2 stops31h 30m

Lisbon Humberto Delgado

lun. 9/29

5:55 am-11:59 pm

2 stops23h 04m

$568

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

sáb. 10/18

2:17 pm-10:05 pm

2 stops26h 48m

Lisbon Humberto Delgado

lun. 10/27

4:55 pm-10:20 pm

2 stops33h 25m

$594

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

lun. 10/6

9:00 pm-11:35 pm

1 stop21h 35m

Lisbon Humberto Delgado

mié. 10/15

5:55 am-7:05 pm

1 stop18h 10m

$607

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

mié. 10/29

6:15 pm-8:55 am

1 stop10h 40m

Lisbon Humberto Delgado

lun. 11/10

5:00 am-4:45 pm

2 stops40h 45m

$620

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

mié. 10/29

5:15 pm-2:50 pm

1 stop17h 35m

Lisbon Humberto Delgado

lun. 11/10

12:30 pm-1:55 pm

1 stop30h 25m

$629

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

sáb. 10/18

8:30 pm-9:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

dom. 10/26

9:20 pm-7:20 pm

1 stop26h 00m

$646

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

dom. 10/19

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

mié. 10/29

5:00 am-5:36 pm

2 stops16h 36m

$675

DetroitLisbon

DTW - LIS

DTWLIS

Detroit Metropolitan Wayne County

mié. 9/24

8:05 am-5:40 am

1 stop16h 35m

Lisbon Humberto Delgado

mar. 10/7

11:45 am-8:04 pm

1 stop13h 19m

$680

DetroitPonta Delgada

DTW - PDL

DTWPDL

Detroit Metropolitan Wayne County

lun. 9/22

5:30 pm-6:35 pm

2 stops21h 05m

Ponta Delgada Nordela

mar. 9/30

7:25 pm-9:07 pm

2 stops29h 42m

$733

DetroitFunchal

DTW - FNC

DTWFNC

Detroit Metropolitan Wayne County

jue. 9/11

10:45 am-1:25 pm

2 stops21h 40m

Funchal Madeira

lun. 9/15

9:50 pm-9:07 pm

2 stops52h 17m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 26 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 $1,129). 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 julio 31, 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.

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 julio 31, 2025.
Read reviews from past customers who have flown KLM, Air France, and United Airlines 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.
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.4
Good
1,457 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,933 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    $355 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 Icelandair and American Airlines, with prices starting from $455 and $461, 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 $1,129). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$441Average$1,077FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$559Average$646FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$561Average$873FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$567Average$743FlexibilityNo cancel feeOn-time70%
KLMCheapest$568Average$877FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$601Average$1,095FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$609Average$877FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$692Average$948FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$694Average$940FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$700Average$938FlexibilityNo cancel feeOn-time76%

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