HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$502+ Cheap flights from Flint (FNT) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LIS
Jan 18 — Jan 251
Sun 1/18
Sun 1/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Flint to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 19, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/227:00 amFNT - LIS
2 stops22h 15mUnited Airlines
Sun 12/2811:55 amLIS - FNT
2 stops32h 56mUnited Airlines
Deal found 12/17$1,460

Find flight deals from Flint to Portugal

Keep the following information in mind while searching for Flint to Portugal flight deals. Data was last updated December 19, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$502
(United Airlines)
Provider with most accurate pricing for Flint Bishop-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-Lisbon Humberto Delgado flights.
Search Deals
From Flint Bishop to Portugal
Search Deals

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 December 19, 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

Fri 1/30

7:00 am-1:20 pm

2 stops25h 20m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-10:45 pm

2 stops22h 45m

$502

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Tue 5/19

7:15 am-11:00 am

2 stops22h 45m

Lisbon Humberto Delgado

Tue 6/16

11:25 am-1:08 pm

2 stops30h 43m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 to Portugal?

Currently, September is the cheapest month in which you can book a flight from Flint to Portugal (average of $441). Flying from Flint 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.

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 to Portugal?

    Departing from Flint to Portugal will take you 25h 20m. Flint and Portugal are separated by 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 to Portugal?

    Currently, September is the cheapest month in which you can book a flight from Flint to Portugal (average of $441). Flying from Flint 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Flint to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Dublin flights
O'Hare Intl to Madrid flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Athens flights
O'Hare Intl to Orly flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to London City flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Frederic Chopin flights
Detroit to Heathrow flights
O'Hare Intl to Stansted flights
Detroit to Istanbul flights
Midway to Heathrow flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Lisbon flights
Midway to Charles de Gaulle flights
O'Hare Intl to Zurich flights
O'Hare Intl to Krakow flights
Detroit to Leonardo da Vinci/Fiumicino flights
Detroit to Charles de Gaulle flights
O'Hare Intl to Munich flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Naples flights
Detroit to Frankfurt flights
O'Hare Intl to Luton flights
Midway to Dublin flights
O'Hare Intl to Vienna flights
O'Hare Intl to Linate flights
O'Hare Intl to Sabiha Gokcen flights
O'Hare Intl to Edinburgh flights
Midway to Athens flights
O'Hare Intl to Beauvais-Tille flights
Midway to Madrid flights
Detroit to Amsterdam flights
Detroit to Dublin flights
Detroit to Gatwick flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Florence flights
Midway to Lisbon flights
Detroit to Orly flights
Detroit to London City flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights