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Cheap flights from Porto to the United States from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to the United States departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Scandinavian Airlines Logo
5:35 pm - 3:40 pmOPO-EWR
27h 05m1 stop
Scandinavian Airlines Logo
5:40 pm - 4:45 pmEWR-OPO
18h 05m2 stops
$382Scandinavian Airlines
Find Deal
lun., nov. 3 - dom., nov. 9
Scandinavian Airlines Logo
5:55 pm - 2:55 pmOPO-EWR
26h 00m1 stop
Scandinavian Airlines Logo
5:15 pm - 5:05 pmEWR-OPO
18h 50m1 stop
$392Scandinavian Airlines
Find Deal
vie., oct. 17 - jue., oct. 23
TAP AIR PORTUGAL Logo
6:35 pm - 10:00 pmOPO-EWR
8h 25mnonstop
TAP AIR PORTUGAL Logo
12:15 am - 11:50 amEWR-OPO
6h 35mnonstop
$454TAP AIR PORTUGAL
Find Deal
vie., nov. 7 - mar., nov. 11
TAP AIR PORTUGAL Logo
5:45 pm - 8:25 pmOPO-BOS
7h 40mnonstop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 amBOS-OPO
6h 40mnonstop
$459TAP AIR PORTUGAL
Find Deal
dom., sep. 7 - lun., sep. 22
United Airlines Logo
6:00 am - 2:40 pmOPO-MIA
13h 40m1 stop
United Airlines Logo
7:45 am - 6:05 amMIA-OPO
17h 20m1 stop
$478United Airlines
Find Deal
jue., ago. 28 - mié., sep. 10
United Airlines Logo
6:00 am - 2:40 pmOPO-MIA
13h 40m1 stop
United Airlines Logo
7:45 am - 6:05 amMIA-OPO
17h 20m1 stop
$482United Airlines
Find Deal
jue., ago. 28 - mié., sep. 10
KLM Logo
6:30 am - 10:44 pmOPO-MIA
21h 14m2 stops
KLM Logo
4:50 pm - 10:30 amMIA-OPO
12h 40m1 stop
$528KLM
Find Deal
lun., nov. 17 - jue., nov. 27
Iberia Logo
12:20 pm - 6:55 pmOPO-JFK
11h 35m1 stop
Iberia Logo
5:30 pm - 11:40 amJFK-OPO
13h 10m2 stops
$529Iberia
Find Deal
mié., sep. 10 - mar., sep. 16
Iberia Logo
12:20 pm - 6:55 pmOPO-JFK
11h 35m1 stop
Iberia Logo
8:40 pm - 11:40 amJFK-OPO
10h 00m1 stop
$538Iberia
Find Deal
sáb., sep. 13 - sáb., sep. 20
KLM Logo
7:00 pm - 1:40 pmOPO-BOS
23h 40m1 stop
KLM Logo
10:20 pm - 3:30 pmBOS-OPO
12h 10m1 stop
$608KLM
Find Deal
sáb., sep. 6 - dom., sep. 14

Scandinavian Airlines flights from Porto to United States

Our best Scandinavian Airlines deals on Porto to United States flight tickets
Scandinavian Airlines
Nov 3
OPO5:35 pmPorto
27h 05m
1 stop
EWR3:40 pmNewark
Nov 9
EWR5:40 pmNewark
18h 05m
2 stops
OPO4:45 pmPorto
$382
Find similar
Scandinavian Airlines
Oct 17
OPO5:55 pmPorto
26h 00m
1 stop
EWR2:55 pmNewark
Oct 23
EWR5:15 pmNewark
18h 50m
1 stop
OPO5:05 pmPorto
$392
Find similar
Scandinavian Airlines
Nov 3
OPO5:35 pmPorto
25h 00m
2 stops
EWR1:35 pmNewark
Nov 9
EWR5:40 pmNewark
18h 05m
2 stops
OPO4:45 pmPorto
$416
Find similar

Iberia flights from Porto to United States

Our best Iberia deals on Porto to United States flight tickets
Iberia
Sep 10
OPO12:20 pmPorto
11h 35m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Sep 16
JFK5:30 pmNew York John F Kennedy Intl
13h 10m
2 stops
OPO11:40 amPorto
$529
Find similar
Iberia
Sep 13
OPO12:20 pmPorto
11h 35m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Sep 20
JFK8:40 pmNew York John F Kennedy Intl
10h 00m
1 stop
OPO11:40 amPorto
$538
Find similar
Iberia
Aug 4
OPO10:00 pmPorto
28h 40m
1 stop
JFK9:40 pmNew York John F Kennedy Intl
Dec 16
JFK11:45 pmNew York John F Kennedy Intl
16h 30m
1 stop
OPO9:15 pmPorto
$895
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto to United States 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 julio 31, 2025.
Use the filters below to find and compare flights from Porto to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoNewark

OPO - EWR

OPOEWR

Porto

lun. 11/3

5:35 pm-3:40 pm

1 stop27h 05m

Newark

dom. 11/9

5:40 pm-4:45 pm

2 stops18h 05m

$382

PortoNewark

OPO - EWR

OPOEWR

Porto

vie. 10/17

5:55 pm-2:55 pm

1 stop26h 00m

Newark

jue. 10/23

5:15 pm-5:05 pm

1 stop18h 50m

$392

PortoNewark

OPO - EWR

OPOEWR

Porto

vie. 11/7

6:35 pm-10:00 pm

Nonstop8h 25m

Newark

mar. 11/11

12:15 am-11:50 am

Nonstop6h 35m

$454

PortoBoston

OPO - BOS

OPOBOS

Porto

dom. 9/7

5:45 pm-8:25 pm

Nonstop7h 40m

Boston Logan Intl

lun. 9/22

11:15 pm-10:55 am

Nonstop6h 40m

$459

PortoMiami

OPO - MIA

OPOMIA

Porto

jue. 8/28

6:00 am-2:40 pm

1 stop13h 40m

Miami

mié. 9/10

7:45 am-6:05 am

1 stop17h 20m

$478

PortoMiami

OPO - MIA

OPOMIA

Porto

jue. 8/28

6:00 am-2:40 pm

1 stop13h 40m

Miami

mié. 9/10

7:45 am-6:05 am

1 stop17h 20m

$482

PortoMiami

OPO - MIA

OPOMIA

Porto

lun. 11/17

6:30 am-10:44 pm

2 stops21h 14m

Miami

jue. 11/27

4:50 pm-10:30 am

1 stop12h 40m

$528

PortoNew York

OPO - JFK

OPOJFK

Porto

mié. 9/10

12:20 pm-6:55 pm

1 stop11h 35m

New York John F Kennedy Intl

mar. 9/16

5:30 pm-11:40 am

2 stops13h 10m

$529

PortoNew York

OPO - JFK

OPOJFK

Porto

sáb. 9/13

12:20 pm-6:55 pm

1 stop11h 35m

New York John F Kennedy Intl

sáb. 9/20

8:40 pm-11:40 am

1 stop10h 00m

$538

PortoBoston

OPO - BOS

OPOBOS

Porto

sáb. 9/6

7:00 pm-1:40 pm

1 stop23h 40m

Boston Logan Intl

dom. 9/14

10:20 pm-3:30 pm

1 stop12h 10m

$608

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 the United States from

How to get the cheapest flight ticket from Porto to United States

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 United States?

In general, February is the cheapest month to fly from Porto to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $511. If you aren’t able to travel during the month of February, then book flights to United States from Porto during January instead. Flights to United States in January, while not as cheap as those in February, still average around $528.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Porto. The lowest ticket price found for a Wednesday departure recently was $662. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $802. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $542. Try not to purchase tickets in the morning because they tend to be around $721. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Porto to United States flight route?

Fly from Porto to New York John F Kennedy Intl for the best Porto - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Porto for as low as $417 on momondo.

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

There are 3 cabin classes available to choose from on Porto to United States 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 Porto to United States flights?

You could potentially save up to 19% on your flight if you consider stops on a Porto to United States flight.

Cheap Porto to United States flight deals and tips

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

Best Price Found

$251

Fastest flight time

7h 40m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in United States

8 airports
The best one-way flight to United States from Porto in the past 72 hours is $251. The best round-trip flight deal from Porto to United States found on momondo in the last 72 hours is $382.
The fastest flight from Porto to United States takes 7h 40m
Direct flights go from Porto to United States on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airlines offering direct flights are: United Airlines, Lufthansa and TAP AIR PORTUGAL.
There are 8 airports near United States: Newark (EWR), Los Angeles (LAX), Miami (MIA), Baltimore/Washington (BWI), Boston Logan Intl (BOS), Fort Lauderdale (FLL), New York LaGuardia (LGA), New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from Porto Airport to United States?

    Prices for flights from Porto Airport to United States are refreshed on a daily basis.

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

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

    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 Porto Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Porto to United States?

Best airlines flying from Porto to United States

Compare and see reviews for airlines that fly from Porto to United States with momondo
Airline
Rating
Free Cancellation
Price
Azores AirlinesPriceFrom $290Free CancellationRating
7.5
67 reviews
Search Azores Airlines flights
IberiaPriceFrom $414Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
American AirlinesPriceFrom $431Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air EuropaPriceFrom $444Free CancellationRating
7.0
543 reviews
Search Air Europa flights
TAP AIR PORTUGALPriceFrom $446Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $467Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $494Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
KLMPriceFrom $508Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Brussels AirlinesPriceFrom $516Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $665Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to United States from Porto with this policy.

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

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

If you are not ready to book a flight from Porto to United States now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United States and let you know when they change.

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