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$552+ Cheap flights from Flint, MI (FNT) 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LIS
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Flint to Portugal

Keep the following information in mind while searching for Flint to Portugal flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$643
(United Airlines)

One-way from

$552
(American Airlines)
From Flint Bishop to Portugal
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One-way flight from Flint Bishop to Portugal
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Find flight deals from Flint to Portugal

Cheapest flights from Flint to Portugal
Explore the most affordable flight options available from Flint to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 12/34:42 pmFNT - LIS
2 stops12h 33mUnited Airlines
dom. 12/710:50 amLIS - FNT
2 stops40h 40mUnited Airlines
Deal found 9/16$643
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 10/312:15 pmFNT - LIS
2 stops13h 55mUnited Airlines
vie. 11/75:00 amLIS - FNT
2 stops22h 30mUnited Airlines
Deal found 9/16$738
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/27:00 amFNT - LIS
2 stops20h 20mUnited Airlines
mar. 10/76:15 amLIS - FNT
2 stops21h 14mUnited Airlines
Deal found 9/15$1,295
This United Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 9/194:43 pmFNT - LIS
2 stops23h 47mUnited Airlines
dom. 9/2112:20 pmLIS - FNT
2 stops30h 05mUnited Airlines
Deal found 9/15$4,091

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Flint to Portugal that are best for you.

Fly from

Flint

Fly to

Portugal

Route

Depart

Return

Price

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

mié. 12/3

4:42 pm-10:15 am

2 stops12h 33m

Lisbon Humberto Delgado

dom. 12/7

10:50 am-10:30 pm

2 stops40h 40m

$643

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

vie. 10/31

2:15 pm-8:10 am

2 stops13h 55m

Lisbon Humberto Delgado

vie. 11/7

5:00 am-10:30 pm

2 stops22h 30m

$738

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

dom. 12/21

8:21 pm-9:55 pm

2 stops44h 34m

$552

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

mar. 12/23

4:26 pm-8:55 am

2 stops35h 29m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Flint to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Flint, Michigan to Portugal (average of $612). Flying from Flint, Michigan to Portugal in June is currently the most expensive (average of $1,126). 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.

Related info for your journey

Find useful and relevant information for your journey from Flint 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 Flint to Portugal?

    For a flight from Flint to Portugal, you will be flying from Bishop. Flint Bishop (FNT) is just 4.3 mi from the center of the city.

  • How long is the flight from Flint, Michigan to Portugal?

    United Airlines can get you from Flint, Michigan to Portugal in just under 12h 33m. Your travel time can differ by up to . Airlines will cover a distance of 3775 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Flint, Michigan to Portugal (average of $612). Flying from Flint, Michigan to Portugal in June is currently the most expensive (average of $1,126). 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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