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Cheap flights from Miami to Porto from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Porto departing on 9/15. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Miami to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:35 pm - 10:55 pm
MIA
-
OPO
20h 20m
1 stop
Multiple Airlines Logo
10:30 pm - 8:05 pm
OPO
-
MIA
26h 35m
2 stops
$691Multiple Airlines
Thu, Sep 24 - Mon, Oct 12
Iberia Logo
4:36 pm - 11:45 am
MIA
-
OPO
15h 09m
2 stops
Iberia Logo
8:20 am - 7:55 pm
OPO
-
MIA
16h 35m
2 stops
$694Iberia
Thu, Oct 29 - Tue, Dec 1
Multiple Airlines Logo
9:35 pm - 9:45 pm
MIA
-
OPO
19h 10m
1 stop
Multiple Airlines Logo
9:15 pm - 8:10 pm
OPO
-
MIA
27h 55m
2 stops
$697Multiple Airlines
Thu, Sep 17 - Mon, Sep 28
TAP AIR PORTUGAL Logo
11:50 pm - 6:00 pm
MIA
-
OPO
13h 10m
1 stop
TAP AIR PORTUGAL Logo
10:30 am - 9:45 pm
OPO
-
MIA
16h 15m
1 stop
$701TAP AIR PORTUGAL
Fri, Dec 25 - Wed, Jan 6
Air Europa Logo
9:30 pm - 3:15 pm
MIA
-
OPO
12h 45m
1 stop
Air Europa Logo
7:35 am - 6:45 pm
OPO
-
MIA
16h 10m
1 stop
$703Air Europa
Fri, Aug 21 - Sun, Sep 6
Air Europa Logo
9:30 pm - 3:15 pm
MIA
-
OPO
12h 45m
1 stop
Air Europa Logo
7:35 am - 6:45 pm
OPO
-
MIA
16h 10m
1 stop
$704Air Europa
Fri, Aug 21 - Sun, Sep 6
Multiple Airlines Logo
4:55 pm - 1:35 pm
MIA
-
OPO
15h 40m
1 stop
Multiple Airlines Logo
12:25 pm - 8:05 pm
OPO
-
MIA
12h 40m
1 stop
$707Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Air Europa Logo
9:30 pm - 7:20 pm
MIA
-
OPO
16h 50m
1 stop
Air Europa Logo
7:35 am - 6:45 pm
OPO
-
MIA
16h 10m
1 stop
$708Air Europa
Sat, Aug 8 - Fri, Aug 21
Air Europa Logo
9:30 pm - 3:15 pm
MIA
-
OPO
12h 45m
1 stop
Air Europa Logo
7:35 am - 6:45 pm
OPO
-
MIA
16h 10m
1 stop
$711Air Europa
Wed, Aug 12 - Mon, Aug 24
Multiple Airlines Logo
10:00 pm - 8:00 am
MIA
-
OPO
29h 00m
1 stop
Multiple Airlines Logo
12:25 pm - 8:05 pm
OPO
-
MIA
12h 40m
1 stop
$715Multiple Airlines
Mon, Aug 17 - Thu, Aug 27

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SWISS flights from Miami to Porto

Our best SWISS deals on Miami to Porto flight tickets
SWISS
Jun 30
MIA7:40 pmMiami
31h 15m
1 stop
OPO7:55 amPorto
Jul 22
OPO6:45 pmPorto
27h 40m
1 stop
MIA5:25 pmMiami
$1,012
SWISS
Jul 1
MIA7:40 pmMiami
17h 50m
1 stop
OPO6:30 pmPorto
Jul 22
OPO6:45 pmPorto
27h 40m
1 stop
MIA5:25 pmMiami
$1,036
SWISS
Jun 30
MIA7:40 pmMiami
31h 15m
1 stop
OPO7:55 amPorto
Jul 22
OPO2:35 pmPorto
31h 50m
2 stops
MIA5:25 pmMiami
$1,077

United Airlines flights from Miami to Porto

Our best United Airlines deals on Miami to Porto flight tickets
United Airlines
Nov 15
MIA9:00 amMiami
19h 30m
2 stops
OPO9:30 amPorto
Nov 17
OPO12:35 pmPorto
27h 36m
2 stops
MIA11:11 amMiami
$730
United Airlines
Nov 22
MIA8:47 pmMiami
31h 43m
1 stop
OPO9:30 amPorto
Nov 27
OPO12:35 pmPorto
16h 12m
1 stop
MIA11:47 pmMiami
$731
United Airlines
Jul 6
MIA11:12 amMiami
17h 33m
1 stop
OPO9:45 amPorto
Sep 13
OPO12:15 pmPorto
35h 37m
2 stops
MIA6:52 pmMiami
$1,024

momondo Fare Finder

 
Customize your flight search to find flights from Miami to Porto 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 June 29, 2026.
Use the filters below to find and compare flights from Miami to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiPorto

MIA - OPO

MIAOPO

Miami

Thu 9/24

9:35 pm-10:55 pm

1 stop20h 20m

Porto

Mon 10/12

10:30 pm-8:05 pm

2 stops26h 35m

$691

MiamiPorto

MIA - OPO

MIAOPO

Miami

Thu 10/29

4:36 pm-11:45 am

2 stops15h 09m

Porto

Tue 12/1

8:20 am-7:55 pm

2 stops16h 35m

$694

MiamiPorto

MIA - OPO

MIAOPO

Miami

Thu 9/17

9:35 pm-9:45 pm

1 stop19h 10m

Porto

Mon 9/28

9:15 pm-8:10 pm

2 stops27h 55m

$697

MiamiPorto

MIA - OPO

MIAOPO

Miami

Fri 12/25

11:50 pm-6:00 pm

1 stop13h 10m

Porto

Wed 1/6

10:30 am-9:45 pm

1 stop16h 15m

$701

MiamiPorto

MIA - OPO

MIAOPO

Miami

Fri 8/21

9:30 pm-3:15 pm

1 stop12h 45m

Porto

Sun 9/6

7:35 am-6:45 pm

1 stop16h 10m

$703

MiamiPorto

MIA - OPO

MIAOPO

Miami

Fri 8/21

9:30 pm-3:15 pm

1 stop12h 45m

Porto

Sun 9/6

7:35 am-6:45 pm

1 stop16h 10m

$704
Quickest round-trip

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 8/17

4:55 pm-1:35 pm

1 stop15h 40m

Porto

Tue 8/25

12:25 pm-8:05 pm

1 stop12h 40m

$707

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sat 8/8

9:30 pm-7:20 pm

1 stop16h 50m

Porto

Fri 8/21

7:35 am-6:45 pm

1 stop16h 10m

$708

MiamiPorto

MIA - OPO

MIAOPO

Miami

Wed 8/12

9:30 pm-3:15 pm

1 stop12h 45m

Porto

Mon 8/24

7:35 am-6:45 pm

1 stop16h 10m

$711

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 8/17

10:00 pm-8:00 am

1 stop29h 00m

Porto

Thu 8/27

12:25 pm-8:05 pm

1 stop12h 40m

$715

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Miami to Porto

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 typical price of a round-trip flight between Miami and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Miami, with most prices found around $487. If you aren’t able to travel during the month of January, then book flights to Porto from Miami during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $500.

How far in advance should I book a flight from Miami to Porto?

You are more likely to see cheaper flights to Porto from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $710 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Miami for as low as $594 on momondo.

Can stopping save me money on Miami to Porto flights?

You could potentially save up to 45% on your flight if you consider stops on a Miami to Porto flight.

How have Miami to Porto flight prices changed over time?

As of June 2026, prices for Miami to Porto flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Miami to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Miami to Porto (MIA to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Porto

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Miami to Porto takes 12h 30m
There are no direct flights from Miami to Porto. There are no popular flight routes from Miami to Porto.
Search flight deals

Frequently asked questions about flying from Miami to Porto

  • How far is Miami to Porto by plane?

    Porto is 4140.1 mi away from Miami. 12h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Miami Airport to Porto Airport?

    Prices for flights from Miami Airport to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Miami Airport to Porto Airport?

  • How old do you have to be to fly from Miami Airport to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Miami Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Miami to Porto?

Best airlines flying from Miami to Porto

Compare and see reviews for airlines that fly from Miami to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $469Free CancellationRating
7.2
2,308 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $479Free CancellationRating
7.1
11,767 reviews
Search American Airlines flights
KLMPriceFrom $494Free CancellationRating
7.8
1,531 reviews
Search KLM flights
Air EuropaPriceFrom $494Free CancellationRating
7.0
623 reviews
Search Air Europa flights
IberiaPriceFrom $500Free CancellationRating
7.0
3,247 reviews
Search Iberia flights
United AirlinesPriceFrom $558Free CancellationRating
7.4
9,897 reviews
Search United Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,451 reviews
Search Delta flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Esposende
Lamego
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Mesao Frio
Penafiel
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Porto?

It is quick and easy to find Miami to Porto 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 Porto that suits you.

Can I find flights from Miami to Porto with flexible booking policies on momondo?

All flight searches from Miami to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Miami to Porto?

Once you have performed a search for Miami to Porto 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 Miami to Porto right now. Can momondo alert me if prices change?

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

An easier way to manage your Porto trip

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