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Cheap flights from the United States to Porto from $221

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Porto departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to Porto

Recent round-trip flight deals from the United States to Porto

Air Europa Logo
10:45 pm - 6:50 amMIA-OPO
28h 05m1 stop
Air Europa Logo
7:35 am - 7:30 pmOPO-MIA
16h 55m1 stop
$404Air Europa
Find Deal
lun., oct. 27 - mié., nov. 12
Air Europa Logo
10:45 pm - 10:50 amMIA-OPO
32h 05m1 stop
Air Europa Logo
11:35 am - 7:30 pmOPO-MIA
12h 55m1 stop
$405Air Europa
Find Deal
lun., oct. 27 - mié., nov. 12
United Airlines Logo
4:50 pm - 9:30 amMIA-OPO
36h 40m2 stops
United Airlines Logo
12:35 pm - 11:04 pmOPO-MIA
15h 29m1 stop
$415United Airlines
Find Deal
lun., oct. 27 - mié., nov. 12
United Airlines Logo
5:30 am - 9:30 amBOS-OPO
23h 00m2 stops
United Airlines Logo
12:35 pm - 10:34 amOPO-BOS
26h 59m2 stops
$428United Airlines
Find Deal
jue., nov. 6 - mié., nov. 12
Delta Logo
7:25 pm - 3:30 pmBOS-OPO
15h 05m1 stop
Delta Logo
6:30 am - 1:40 pmOPO-BOS
12h 10m1 stop
$438Delta
Find Deal
mar., oct. 14 - jue., oct. 23
Iberia Logo
5:20 pm - 4:00 pmMIA-OPO
17h 40m1 stop
Iberia Logo
12:25 pm - 8:45 pmOPO-MIA
13h 20m1 stop
$446Iberia
Find Deal
mar., nov. 25 - mar., dic. 9
Delta Logo
10:20 pm - 3:30 pmBOS-OPO
12h 10m1 stop
Delta Logo
6:15 am - 7:23 pmOPO-BOS
18h 08m2 stops
$449Delta
Find Deal
mar., oct. 14 - mar., oct. 21
TAP AIR PORTUGAL Logo
10:00 pm - 5:00 pmJFK-OPO
14h 00m1 stop
TAP AIR PORTUGAL Logo
10:10 am - 8:05 pmOPO-JFK
14h 55m1 stop
$450TAP AIR PORTUGAL
Find Deal
jue., nov. 13 - lun., nov. 17
TAP AIR PORTUGAL Logo
10:05 pm - 8:25 pmJFK-OPO
17h 20m1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:05 pmOPO-JFK
13h 05m1 stop
$451TAP AIR PORTUGAL
Find Deal
lun., oct. 20 - mar., nov. 4
Iberia Logo
10:30 pm - 4:00 pmMIA-OPO
12h 30m1 stop
Iberia Logo
8:40 pm - 12:20 pmOPO-MIA
20h 40m2 stops
$455Iberia
Find Deal
lun., dic. 1 - lun., dic. 8

TAP AIR PORTUGAL flights from United States to Porto

Our best TAP AIR PORTUGAL deals on United States to Porto flight tickets
TAP AIR PORTUGAL
Nov 13
JFK10:00 pmNew York John F Kennedy Intl
14h 00m
1 stop
OPO5:00 pmPorto
Nov 17
OPO10:10 amPorto
14h 55m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
$450
Find similar
TAP AIR PORTUGAL
Oct 20
JFK10:05 pmNew York John F Kennedy Intl
17h 20m
1 stop
OPO8:25 pmPorto
Nov 4
OPO12:00 pmPorto
13h 05m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
$451
Find similar
TAP AIR PORTUGAL
Oct 15
JFK10:05 pmNew York John F Kennedy Intl
15h 55m
1 stop
OPO7:00 pmPorto
Nov 14
OPO12:00 pmPorto
13h 05m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
$452
Find similar

Air Europa flights from United States to Porto

Our best Air Europa deals on United States to Porto flight tickets
Air Europa
Oct 27
MIA10:45 pmMiami
28h 05m
1 stop
OPO6:50 amPorto
Nov 12
OPO7:35 amPorto
16h 55m
1 stop
MIA7:30 pmMiami
$404
Find similar
Air Europa
Oct 27
MIA10:45 pmMiami
32h 05m
1 stop
OPO10:50 amPorto
Nov 12
OPO11:35 amPorto
12h 55m
1 stop
MIA7:30 pmMiami
$405
Find similar
Air Europa
Oct 27
MIA10:45 pmMiami
12h 30m
1 stop
OPO3:15 pmPorto
Nov 12
OPO7:35 amPorto
16h 55m
1 stop
MIA7:30 pmMiami
$418
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 septiembre 16, 2025.
Use the filters below to find and compare flights from the United States to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiPorto

MIA - OPO

MIAOPO

Miami

lun. 10/27

10:45 pm-6:50 am

1 stop28h 05m

Porto

mié. 11/12

7:35 am-7:30 pm

1 stop16h 55m

$404

MiamiPorto

MIA - OPO

MIAOPO

Miami

lun. 10/27

10:45 pm-10:50 am

1 stop32h 05m

Porto

mié. 11/12

11:35 am-7:30 pm

1 stop12h 55m

$405

MiamiPorto

MIA - OPO

MIAOPO

Miami

lun. 10/27

4:50 pm-9:30 am

2 stops36h 40m

Porto

mié. 11/12

12:35 pm-11:04 pm

1 stop15h 29m

$415

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

jue. 11/6

5:30 am-9:30 am

2 stops23h 00m

Porto

mié. 11/12

12:35 pm-10:34 am

2 stops26h 59m

$428

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

mar. 10/14

7:25 pm-3:30 pm

1 stop15h 05m

Porto

jue. 10/23

6:30 am-1:40 pm

1 stop12h 10m

$438

MiamiPorto

MIA - OPO

MIAOPO

Miami

mar. 11/25

5:20 pm-4:00 pm

1 stop17h 40m

Porto

mar. 12/9

12:25 pm-8:45 pm

1 stop13h 20m

$446

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

mar. 10/14

10:20 pm-3:30 pm

1 stop12h 10m

Porto

mar. 10/21

6:15 am-7:23 pm

2 stops18h 08m

$449

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

jue. 11/13

10:00 pm-5:00 pm

1 stop14h 00m

Porto

lun. 11/17

10:10 am-8:05 pm

1 stop14h 55m

$450

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

lun. 10/20

10:05 pm-8:25 pm

1 stop17h 20m

Porto

mar. 11/4

12:00 pm-8:05 pm

1 stop13h 05m

$451

MiamiPorto

MIA - OPO

MIAOPO

Miami

lun. 12/1

10:30 pm-4:00 pm

1 stop12h 30m

Porto

lun. 12/8

8:40 pm-12:20 pm

2 stops20h 40m

$455

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 United States 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 cheapest month to fly to Porto?

The month of March is, on average, the cheapest month to fly to Porto from United States, with most prices found around $580. If you aren’t able to travel during the month of March, then book flights to Porto from United States during February instead. Flights to Porto in February, while not as cheap as those in March, still average around $588.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $814. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,005. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

At noon is the cheapest time of day to fly from United States to Porto when you can find flight prices for as low as $435. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,137 on average. Flights to Porto from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United States to Porto flight route?

Fly from Boston Logan Intl to Porto for the best United States - Porto flight prices

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

You are more likely to see cheaper flights to Porto from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $678 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from United States for as low as $580 on momondo.

What cabin class options are available on United States to Porto flights?

There are 3 cabin classes available to choose from on United States to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Porto flights?

You could potentially save up to 26% on your flight if you consider stops on a United States to Porto flight.

Cheap United States to Porto flight deals and tips

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

Best Price Found

$241

Fastest flight time

6h 35m

Direct flights

Every day

Airports in Porto

1 airport
The best one-way flight to Porto from United States in the past 72 hours is $241. The best round-trip flight deal from United States to Porto found on momondo in the last 72 hours is $565.
The fastest flight from United States to Porto takes 6h 35m
Direct flights go from United States to Porto every day.
There is 1 airport near Porto: Porto (OPO)
Search flight deals

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

    Prices for flights from United States to Porto Airport refresh daily.

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

  • How old do you have to be to fly from United States 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 United States 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 plane model from United States to Porto?

Best airlines flying from United States to Porto

Compare and see reviews for airlines that fly from United States to Porto with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $269Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
Azores AirlinesPriceFrom $299Free CancellationRating
7.5
73 reviews
Search Azores Airlines flights
SWISSPriceFrom $338Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
British AirwaysPriceFrom $374Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
IberiaPriceFrom $375Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
Air EuropaPriceFrom $392Free CancellationRating
7.0
556 reviews
Search Air Europa flights
KLMPriceFrom $394Free CancellationRating
7.8
1,386 reviews
Search KLM flights
LEVELPriceFrom $402Free CancellationRating
4.0
4 reviews
Search LEVEL flights
United AirlinesPriceFrom $453Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
LufthansaPriceFrom $457Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

Traveling to a place near Porto?

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

Why use momondo?

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

It is quick and easy to find United States 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 United States to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Porto?

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

Of course. momondo tracks the price of United States to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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