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Cheap flights from Flint to Portugal from $641

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Flint to Portugal departing on 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Flint to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 8:10 am
FNT
-
LIS
18h 10m
2 stops
United Airlines Logo
12:25 pm - 5:18 pm
LIS
-
FNT
33h 53m
2 stops
$932United Airlines
Mon, Dec 14 - Mon, Dec 28
United Airlines Logo
5:30 am - 10:35 am
FNT
-
LIS
24h 05m
2 stops
United Airlines Logo
5:05 am - 11:51 pm
LIS
-
FNT
23h 46m
2 stops
$1,080United Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
2:27 pm - 8:20 am
FNT
-
LIS
12h 53m
2 stops
United Airlines Logo
10:25 am - 8:23 pm
LIS
-
FNT
14h 58m
2 stops
$1,566United Airlines
Wed, Jul 29 - Tue, Aug 4

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United Airlines flights from Flint to Portugal

Our best United Airlines deals on Flint to Portugal flight tickets
United Airlines
Dec 14
FNT9:00 amFlint Bishop
18h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 28
LIS12:25 pmLisbon Humberto Delgado
33h 53m
2 stops
FNT5:18 pmFlint Bishop
$932
United Airlines
Aug 29
FNT5:30 amFlint Bishop
24h 05m
2 stops
LIS10:35 amLisbon Humberto Delgado
Sep 5
LIS5:05 amLisbon Humberto Delgado
23h 46m
2 stops
FNT11:51 pmFlint Bishop
$1,080
United Airlines
Jul 29
FNT2:27 pmFlint Bishop
12h 53m
2 stops
LIS8:20 amLisbon Humberto Delgado
Aug 4
LIS10:25 amLisbon Humberto Delgado
14h 58m
2 stops
FNT8:23 pmFlint Bishop
$1,566

British Airways flights from Flint to Portugal

Our best British Airways deals on Flint to Portugal flight tickets
British Airways
Jul 20
FNT5:40 pmFlint Bishop
24h 30m
2 stops
LIS11:10 pmLisbon Humberto Delgado
Jul 27
LIS7:10 amLisbon Humberto Delgado
21h 24m
2 stops
FNT11:34 pmFlint Bishop
$1,285
British Airways
Jul 24
FNT5:40 pmFlint Bishop
24h 30m
2 stops
LIS11:10 pmLisbon Humberto Delgado
Jul 27
LIS6:45 pmLisbon Humberto Delgado
33h 49m
2 stops
FNT11:34 pmFlint Bishop
$10,920

momondo 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, momondo users made 832,500 searches. Data last updated July 18, 2026.
Use the filters below to find and compare flights from Flint to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Mon 12/14

9:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Mon 12/28

12:25 pm-5:18 pm

2 stops33h 53m

$932

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Sat 8/29

5:30 am-10:35 am

2 stops24h 05m

Lisbon Humberto Delgado

Sat 9/5

5:05 am-11:51 pm

2 stops23h 46m

$1,080
Quickest round-trip

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Wed 7/29

2:27 pm-8:20 am

2 stops12h 53m

Lisbon Humberto Delgado

Tue 8/4

10:25 am-8:23 pm

2 stops14h 58m

$1,566
Cheapest one-way
Quickest one-way

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Thu 7/30

2:27 pm-10:30 am

2 stops15h 03m

$641

FlintLisbon

FNT - LIS

FNTLIS

Flint Bishop

Fri 7/24

6:30 am-9:20 am

2 stops21h 50m

$771

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portugal from

How to get the cheapest flight ticket from Flint to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Flint Bishop to Portugal?

United Airlines is the most popular carrier operating from Flint Bishop to Portugal

What airlines fly to Portugal?

United Airlines, Delta and Lufthansa are the top three most popular airlines that fly to Portugal from Flint according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Cheap Flint to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Flint to Portugal

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from Flint to Portugal takes 18h 10m
There are no direct flights from Flint to Portugal. There are no popular flight routes from Flint to Portugal.
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Frequently asked questions about flying from Flint to Portugal

  • When did momondo last update prices for flights from Flint Bishop Airport to Portugal?

    Prices for flights from Flint Bishop Airport to Portugal were last updated today.

  • How old do you have to be to fly from Flint Bishop Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Flint Bishop Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Flint to Portugal?

It is quick and easy to find Flint to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

Can I find flights from Flint to Portugal with flexible booking policies on momondo?

Flights from Flint to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Flint to Portugal?

Once you have performed a search for Flint to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Flint to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Flint and alert you when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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1 adult
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Find better results for your trip to Portugal

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