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$225+ Cheap flights from Miami (MIA) to Porto (OPO)

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — OPO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to Porto are usually found in February or January, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Miami to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$586
(KAYAK)

One-way from

$225
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$711
From Miami to Porto
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One-way flight from Miami to Porto
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Miami to Porto

Cheapest flights from Miami to Porto
Explore the most affordable flight options available from Miami to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/249:55 pmMIA - OPO
1 stop17h 00mAmerican Airlines
Fri 10/38:15 amOPO - MIA
2 stops18h 35mAmerican Airlines
Deal found 8/18$586
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:00 amMIA - OPO
2 stops25h 45mMultiple Airlines
Sun 11/307:25 pmOPO - MIA
2 stops46h 09mMultiple Airlines
Deal found 8/18$587
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 10/54:56 pmMIA - OPO
1 stop11h 49mUnited Airlines
Mon 10/136:00 amOPO - MIA
2 stops34h 16mUnited Airlines
Deal found 8/18$589
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/239:04 amMIA - OPO
2 stops17h 31mAmerican Airlines
Thu 10/28:15 amOPO - MIA
2 stops18h 35mAmerican Airlines
Deal found 8/18$590
This Iberia deal was found by Cheapflights users on 8/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:20 amMIA - OPO
2 stops26h 35mIberia
Wed 10/88:35 pmOPO - MIA
1 stop28h 20mIberia
Deal found 8/18$591
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/3010:29 amMIA - OPO
2 stops16h 06mAmerican Airlines
Wed 10/158:15 amOPO - MIA
2 stops18h 34mAmerican Airlines
Deal found 8/18$592
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:30 pmMIA - OPO
1 stop19h 35mMultiple Airlines
Wed 10/227:15 amOPO - MIA
1 stop16h 30mMultiple Airlines
Deal found 8/20$595
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 9/264:56 pmMIA - OPO
3 stops35h 39mUnited Airlines
Sat 10/1112:05 pmOPO - MIA
2 stops28h 42mUnited Airlines
Deal found 8/18$596
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:30 pmMIA - OPO
1 stop16h 50mAir Europa
Thu 10/27:35 amOPO - MIA
1 stop16h 10mAir Europa
Deal found 8/18$597
This Trip.com deal was found by Cheapflights users on 8/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:30 pmMIA - OPO
1 stop12h 45mAir Europa
Wed 10/17:35 amOPO - MIA
1 stop16h 10mAir Europa
Deal found 8/20$598
This Iberia deal was found by Cheapflights users on 8/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:55 pmMIA - OPO
1 stop33h 40mIberia
Thu 10/28:15 amOPO - MIA
2 stops41h 17mIberia
Deal found 8/18$599
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:31 pmMIA - OPO
2 stops21h 49mBritish Airways
Wed 10/18:20 pmOPO - MIA
2 stops31h 57mBritish Airways
Deal found 8/18$600

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Miami to Porto that are best for you.

Fly from

Miami

Fly to

Porto

Route

Depart

Return

Price

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 10/13

7:40 pm-4:45 pm

2 stops16h 05m

Porto

Wed 10/29

12:45 pm-3:40 pm

2 stops30h 55m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Fri 9/26

4:56 pm-9:35 am

3 stops35h 39m

Porto

Sat 10/11

6:00 am-2:40 pm

1 stop13h 40m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Wed 9/24

9:55 pm-7:55 pm

1 stop17h 00m

Porto

Fri 10/3

8:15 am-9:50 pm

2 stops18h 35m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 10/12

12:35 am-7:00 pm

1 stop13h 25m

Porto

Mon 10/27

4:10 pm-3:50 pm

1 stop27h 40m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 2/1

4:40 pm-11:10 am

1 stop13h 30m

Porto

Sun 4/19

2:35 pm-2:15 pm

2 stops28h 40m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 2/2

4:40 pm-1:25 pm

2 stops39h 45m

Porto

Sun 4/19

8:40 am-2:15 pm

1 stop34h 35m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 2/1

7:50 pm-11:15 am

1 stop34h 25m

Porto

Fri 4/24

2:35 pm-5:30 pm

2 stops31h 55m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 2/1

4:40 pm-11:10 am

1 stop13h 30m

Porto

Sat 4/25

2:35 pm-5:30 pm

2 stops31h 55m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Tue 2/3

7:50 pm-11:15 am

1 stop34h 25m

Porto

Fri 4/24

2:35 pm-5:30 pm

2 stops31h 55m

$586

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 11/2

10:15 pm-2:10 pm

2 stops58h 55m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 18 results
1
2

Best time to book a flight from Miami to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Miami 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 Miami to Porto

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

Use this chart to determine the optimal time to book a round-trip flight from Miami to Porto. Price data was last updated on August 8, 2025.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Miami to Porto?

Currently, January is the cheapest month in which you can book a flight from Miami to Porto (average of $523). Flying from Miami to Porto in June is currently the most expensive (average of $1,030). 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 MIA to OPO?

Find hourly flight availability from Miami to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

One of the essential ways to save on airfare from Miami to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 5% on airfare.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated August 20, 2025.
Get a feel of what it's like to fly with United Airlines, Air Canada, and TAP AIR PORTUGAL from Miami to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,957 reviews
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Europa
7.0
Good
547 reviews
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,887 reviews
United Airlines
7.4
Good
8,928 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Miami to Porto. 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 Miami to Porto?

    United Airlines, American Airlines, and TAP AIR PORTUGAL can get you from Miami to Porto in just under 13h 25m. Your travel time can differ by up to 22h 14m. Airlines will cover a distance of 4140 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Miami to Porto round-trip?

    According to our current data, SWISS ($377), Air Europa ($469), and TAP AIR PORTUGAL ($472) offers the cheapest pricing from Miami to Porto. SWISS is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common layover locations when flying from Miami to Porto?

    Of the flights from Miami to Porto that have layovers, most of them stop in Lisbon.

  • What are some popular things to do or see while on a layover in Lisbon?

    The majority of Lisbon visitors spend their time at Chiado, Praça do Marquês de Pombal, and Londres. Chiado, Praça do Marquês de Pombal, and Londres are located about 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado. Travelers in need of a car in Lisbon can rent one for about $30 per day.

  • Where are the least popular layover locations for Miami to Porto flights?

    Of the flights from Miami to Porto that have layovers, the fewest flights stop in Madrid.

  • Can I find deals for flights from Miami to Porto that include hotel bookings?

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

  • How can I find direct flights from Miami to Porto?

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

  • Can I find deals for business class flights from Miami to Porto?

    Yes. Cheapflights offers flight deals from Miami to Porto 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 Miami to Porto?

    Currently, January is the cheapest month in which you can book a flight from Miami to Porto (average of $523). Flying from Miami to Porto in June is currently the most expensive (average of $1,030). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Miami to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Miami to Porto

Discover the top 10 airlines that operate flights from Miami to Porto. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$377Average$523FlexibilityNo cancel feeOn-time79%
Air EuropaCheapest$469Average$727FlexibilityNo cancel feeOn-time83%
TAP AIR PORTUGALCheapest$472Average$758FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$494Average$745FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$503Average$743FlexibilityNo cancel feeOn-time71%
IberiaCheapest$525Average$685FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$527Average$693FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$553Average$668FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$567Average$709FlexibilityNo cancel feeOn-time69%
DeltaCheapest$585Average$678FlexibilityNo cancel feeOn-timeN/A

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