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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
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
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 September 13, 2025.

Round-trip from

$400
(Mytrip)

One-way from

$225
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$721
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 ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 13, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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.
Mon 10/2710:45 pmMIA - OPO
1 stop28h 05mAir Europa
Wed 11/127:35 amOPO - MIA
1 stop16h 55mAir Europa
Deal found 9/11$400
This lol.travel deal was found by Cheapflights users on 9/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:39 pmMIA - OPO
1 stop16h 51mUnited Airlines
Wed 11/1212:35 pmOPO - MIA
1 stop26h 14mUnited Airlines
Deal found 9/12$410
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Wed 11/59:45 pmMIA - OPO
1 stop16h 35mAir Europa
Tue 11/1111:35 amOPO - MIA
1 stop12h 55mAir Europa
Deal found 9/11$422
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:40 pmMIA - OPO
1 stop13h 35mSWISS
Wed 11/1912:10 pmOPO - MIA
1 stop31h 30mSWISS
Deal found 9/12$426
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Wed 11/198:00 amMIA - OPO
2 stops22h 15mMultiple Airlines
Mon 12/112:05 pmOPO - MIA
1 stop34h 25mMultiple Airlines
Deal found 9/12$428
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/124:42 pmMIA - OPO
1 stop11h 48mUnited Airlines
Wed 11/1912:35 pmOPO - MIA
1 stop15h 29mUnited Airlines
Deal found 9/11$436
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Mon 10/2712:45 pmMIA - OPO
2 stops19h 20mMultiple Airlines
Mon 11/37:20 pmOPO - MIA
1 stop27h 10mMultiple Airlines
Deal found 9/12$438
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:40 pmMIA - OPO
1 stop13h 35mSWISS
Wed 11/1212:10 pmOPO - MIA
1 stop31h 30mSWISS
Deal found 9/12$440
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 11/114:42 pmMIA - OPO
1 stop11h 48mUnited Airlines
Wed 11/1912:35 pmOPO - MIA
1 stop15h 29mUnited Airlines
Deal found 9/12$444
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Mon 12/17:50 pmMIA - OPO
1 stop34h 25mSWISS
Mon 12/157:20 pmOPO - MIA
1 stop24h 20mSWISS
Deal found 9/13$447

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 September 13, 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

Tue 11/4

4:42 pm-9:30 am

1 stop11h 48m

Porto

Thu 11/13

12:35 pm-11:04 pm

1 stop15h 29m

$444

MiamiPorto

MIA - OPO

MIAOPO

Miami

Tue 11/25

7:45 am-9:30 am

1 stop20h 45m

Porto

Mon 12/1

1:45 pm-4:55 pm

1 stop32h 10m

$452

MiamiPorto

MIA - OPO

MIAOPO

Miami

Wed 11/26

8:05 am-10:30 am

2 stops21h 25m

Porto

Wed 12/10

11:25 am-8:20 pm

1 stop13h 55m

$468

MiamiPorto

MIA - OPO

MIAOPO

Miami

Tue 11/25

6:45 pm-12:50 pm

1 stop13h 05m

Porto

Wed 12/10

1:45 pm-4:55 pm

1 stop32h 10m

$469

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 11/24

6:45 pm-12:50 pm

1 stop13h 05m

Porto

Wed 12/10

1:45 pm-4:55 pm

1 stop32h 10m

$469

MiamiPorto

MIA - OPO

MIAOPO

Miami

Fri 11/14

4:42 pm-9:30 am

1 stop11h 48m

Porto

Wed 11/19

12:35 pm-11:04 pm

1 stop15h 29m

$469

MiamiPorto

MIA - OPO

MIAOPO

Miami

Sun 11/23

7:00 am-9:30 am

2 stops21h 30m

Porto

Wed 12/3

6:00 am-10:42 pm

2 stops21h 42m

$470

MiamiPorto

MIA - OPO

MIAOPO

Miami

Wed 11/26

11:09 am-9:30 am

1 stop17h 21m

Porto

Sat 12/6

12:00 pm-5:30 pm

1 stop34h 30m

$471

MiamiPorto

MIA - OPO

MIAOPO

Miami

Wed 11/12

4:42 pm-9:30 am

1 stop11h 48m

Porto

Sat 11/22

12:35 pm-11:04 pm

1 stop15h 29m

$477

MiamiPorto

MIA - OPO

MIAOPO

Miami

Tue 11/11

12:23 pm-9:30 am

2 stops16h 07m

Porto

Wed 11/19

12:35 pm-10:53 am

2 stops27h 18m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 22 results
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2
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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 29, 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 $1,027). 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 September 13, 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 September 13, 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
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,934 reviews
United Airlines
7.4
Good
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
1,977 reviews
United Airlines
7.4
Good
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
556 reviews
United Airlines
7.4
Good
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
2,928 reviews
United Airlines
7.4
Good
8,934 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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, Delta, and Lufthansa can get you from Miami to Porto in just under 11h 48m. Your travel time can differ by up to 9h 37m. 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 ($470) 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 $20 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 $1,027). 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

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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 September 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$377Average$523FlexibilityNo cancel feeOn-time79%
Air EuropaCheapest$469Average$726FlexibilityNo cancel feeOn-time83%
TAP AIR PORTUGALCheapest$470Average$749FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$503Average$741FlexibilityNo cancel feeOn-time71%
IberiaCheapest$525Average$689FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$527Average$693FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$550Average$753FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$553Average$668FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$559Average$707FlexibilityNo cancel feeOn-time69%
KLMCheapest$571Average$614FlexibilityNo cancel feeOn-time75%

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