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$250+ Cheap flights from Michigan 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — LIS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Michigan to Portugal

Cheapest flights from Michigan to Portugal
Explore the most affordable flight options available from Michigan to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 pmORD - LIS
1 stop16h 05mLufthansa
Mon 1/122:10 pmLIS - ORD
1 stop30h 00mLufthansa
Deal found 12/21$498
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - LIS
1 stop19h 40mLufthansa
Mon 1/122:10 pmLIS - ORD
1 stop30h 00mLufthansa
Deal found 12/21$500
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:30 pmORD - LIS
1 stop30h 25mMultiple Airlines
Mon 1/122:10 pmLIS - ORD
2 stops26h 35mMultiple Airlines
Deal found 12/21$523
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/309:15 pmORD - LIS
1 stop31h 00mUnited Airlines
Sat 1/1711:20 amLIS - ORD
1 stop33h 35mUnited Airlines
Deal found 12/21$532
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/302:22 pmORD - LIS
2 stops12h 43mAmerican Airlines
Sat 1/1710:40 amLIS - ORD
2 stops18h 47mAmerican Airlines
Deal found 12/21$561
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/298:58 pmORD - LIS
1 stop31h 17mUnited Airlines
Mon 1/1211:20 amLIS - ORD
1 stop31h 41mUnited Airlines
Deal found 12/21$585
This Delta deal was found by Cheapflights users on 12/21. 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 12/316:02 pmORD - LIS
2 stops17h 28mDelta
Mon 1/1212:20 pmLIS - ORD
2 stops35h 06mDelta
Deal found 12/21$594
This Delta deal was found by Cheapflights users on 12/21. 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 12/315:20 pmORD - LIS
1 stop18h 10mDelta
Sat 1/1011:25 amLIS - ORD
2 stops35h 05mDelta
Deal found 12/21$596
This KLM deal was found by Cheapflights users on 12/21. 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.
Tue 12/305:20 pmORD - OPO
1 stop11h 10mKLM
Mon 1/1211:25 amOPO - ORD
1 stop33h 45mKLM
Deal found 12/21$744
This Expedia deal was found by Cheapflights users on 12/21. 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.
Tue 12/305:40 pmORD - OPO
1 stop16h 20mIberia
Mon 1/128:40 pmOPO - ORD
2 stops24h 57mIberia
Deal found 12/21$772
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmORD - FAO
1 stop15h 50mAer Lingus
Sun 1/1111:10 amFAO - ORD
1 stop14h 05mAer Lingus
Deal found 12/21$804
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/257:49 pmDTW - LIS
1 stop9h 26mUnited Airlines
Sun 12/285:00 amLIS - DTW
2 stops23h 38mUnited Airlines
Deal found 12/21$819

Find flight deals from Michigan to Portugal

Keep the following information in mind while searching for Michigan to Portugal flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(Booking.com)

One-way from

$250
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$1,409
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 Michigan to Portugal
Search Deals
One-way flight from Michigan to Portugal
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Michigan 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 December 23, 2025.
Use the filters below to find and compare flights from Michigan to Portugal that are best for you.

Fly from

Michigan

Fly to

Portugal

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 2/4

7:20 pm-11:10 am

2 stops57h 50m

Faro

Wed 2/11

10:35 am-4:45 pm

2 stops36h 10m

$481

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 2/4

7:10 pm-11:50 pm

1 stop22h 40m

Faro

Wed 2/11

6:05 am-3:00 pm

1 stop14h 55m

$484

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 1/20

11:20 am-9:20 am

2 stops16h 00m

Lisbon Humberto Delgado

Wed 1/28

6:10 am-2:10 pm

1 stop14h 00m

$489

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

7:10 pm-5:00 pm

1 stop15h 50m

Porto

Sun 2/8

6:55 am-2:45 pm

1 stop13h 50m

$489

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 1/14

7:10 pm-11:50 pm

1 stop22h 40m

Faro

Thu 3/12

11:15 am-4:25 pm

1 stop34h 10m

$492

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 1/25

7:10 pm-4:05 pm

1 stop14h 55m

Lisbon Humberto Delgado

Wed 1/28

4:55 pm-4:55 pm

1 stop30h 00m

$499

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/23

5:40 pm-3:10 pm

2 stops16h 30m

Lisbon Humberto Delgado

Wed 4/1

5:00 am-6:00 pm

2 stops19h 00m

$500

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 1/5

6:00 am-8:10 am

2 stops20h 10m

Lisbon Humberto Delgado

Thu 1/15

6:10 am-11:39 pm

2 stops23h 29m

$500

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 2/17

6:17 pm-5:30 pm

2 stops17h 13m

Lisbon Humberto Delgado

Tue 2/24

4:50 pm-5:45 pm

2 stops30h 55m

$501

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 3/4

12:45 pm-11:20 am

2 stops16h 35m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-6:40 pm

2 stops18h 40m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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Best time to book a flight from Michigan to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Michigan 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 Michigan to Portugal

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

Currently, September is the cheapest month in which you can book a flight from Michigan to Portugal (average of $441). Flying from Michigan to Portugal in June is currently the most expensive (average of $873). 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 MI to PT?

Find hourly flight availability from Michigan 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 December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Michigan to Portugal in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Michigan to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Michigan to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Michigan to Portugal flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • How long is the flight from Michigan to Portugal?

    Departing from Michigan to Portugal will take you 16h. Michigan and Portugal are separated by a distance of 3996 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $287. However, be on the lookout for offers from TAP AIR PORTUGAL and American Airlines, as they are both options that can get you from Michigan to Portugal for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Michigan 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 Michigan to Portugal?

    Currently, September is the cheapest month in which you can book a flight from Michigan to Portugal (average of $441). Flying from Michigan to Portugal in June is currently the most expensive (average of $873). 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 Michigan 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 Michigan to Portugal

Discover the top 10 airlines that operate flights from Michigan 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$441Average$904FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$559Average$640FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$559Average$986FlexibilityNo cancel feeOn-time69%
KLMCheapest$568Average$857FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$579Average$1,140FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$592Average$1,027FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$608Average$872FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$609Average$1,112FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$652Average$941FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$694Average$845FlexibilityNo cancel feeOn-timeN/A

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