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Cheap flights from Porto to the United States from $286

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 11/12. 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 - 1:25 pmOPO-EWR
24h 50m2 stops
Scandinavian Airlines Logo
5:30 pm - 4:55 pmEWR-OPO
18h 25m1 stop
$368Scandinavian Airlines
Find Deal
vie., nov. 21 - jue., nov. 27
Scandinavian Airlines Logo
5:35 pm - 1:35 pmOPO-EWR
25h 00m2 stops
Scandinavian Airlines Logo
5:30 pm - 4:45 pmEWR-OPO
18h 15m1 stop
$385Scandinavian Airlines
Find Deal
lun., nov. 10 - dom., nov. 23
Iberia Logo
8:40 pm - 1:55 pmOPO-MIA
22h 15m1 stop
Iberia Logo
10:00 pm - 7:40 amMIA-OPO
28h 40m2 stops
$498Iberia
Find Deal
lun., ene. 12 - lun., ene. 19
TAP AIR PORTUGAL Logo
6:35 pm - 10:00 pmOPO-EWR
8h 25mnonstop
TAP AIR PORTUGAL Logo
12:25 am - 12:00 pmEWR-OPO
6h 35mnonstop
$499TAP AIR PORTUGAL
Find Deal
vie., nov. 21 - vie., nov. 28
United Airlines Logo
6:00 am - 6:13 pmOPO-LGA
17h 13m2 stops
United Airlines Logo
6:15 am - 11:40 amLGA-OPO
24h 25m2 stops
$502United Airlines
Find Deal
jue., dic. 18 - jue., ene. 8
United Airlines Logo
6:00 am - 4:05 pmOPO-LGA
39h 05m2 stops
United Airlines Logo
2:59 pm - 3:25 pmLGA-OPO
19h 26m2 stops
$503United Airlines
Find Deal
vie., feb. 13 - mié., feb. 18
Iberia Logo
8:20 am - 10:05 pmOPO-MIA
18h 45m2 stops
Iberia Logo
10:40 pm - 7:40 amMIA-OPO
28h 00m2 stops
$503Iberia
Find Deal
lun., ene. 12 - mié., ene. 21
Air Europa Logo
11:35 am - 7:30 pmOPO-MIA
12h 55m1 stop
Air Europa Logo
9:45 pm - 3:15 pmMIA-OPO
12h 30m1 stop
$515Air Europa
Find Deal
mar., ene. 13 - lun., ene. 19
Air Europa Logo
11:35 am - 5:35 pmOPO-JFK
11h 00m1 stop
Air Europa Logo
11:05 pm - 6:50 amJFK-OPO
27h 45m1 stop
$531Air Europa
Find Deal
jue., oct. 16 - dom., oct. 26
TAP AIR PORTUGAL Logo
7:00 am - 3:40 pmOPO-LAX
15h 40m1 stop
TAP AIR PORTUGAL Logo
4:45 pm - 6:00 pmLAX-OPO
17h 15m1 stop
$677TAP AIR PORTUGAL
Find Deal
jue., oct. 30 - jue., nov. 6

Scandinavian Airlines flights from Porto to United States

Our best Scandinavian Airlines deals on Porto to United States flight tickets
Scandinavian Airlines
Nov 21
OPO5:35 pmPorto
24h 50m
2 stops
EWR1:25 pmNewark
Nov 27
EWR5:30 pmNewark
18h 25m
1 stop
OPO4:55 pmPorto
$368
Find similar
Scandinavian Airlines
Nov 10
OPO5:35 pmPorto
25h 00m
2 stops
EWR1:35 pmNewark
Nov 23
EWR5:30 pmNewark
18h 15m
1 stop
OPO4:45 pmPorto
$385
Find similar
Scandinavian Airlines
Nov 7
OPO5:35 pmPorto
24h 50m
2 stops
EWR1:25 pmNewark
Nov 13
EWR5:30 pmNewark
18h 25m
1 stop
OPO4:55 pmPorto
$387
Find similar

SWISS flights from Porto to United States

Our best SWISS deals on Porto to United States flight tickets
SWISS
Jan 13
OPO12:05 pmPorto
34h 25m
1 stop
MIA5:30 pmMiami
Jan 22
MIA7:50 pmMiami
34h 20m
1 stop
OPO11:10 amPorto
$497
Find similar
SWISS
Oct 30
OPO7:25 pmPorto
26h 15m
1 stop
JFK5:40 pmNew York John F Kennedy Intl
Nov 6
JFK9:00 pmNew York John F Kennedy Intl
15h 40m
1 stop
OPO5:40 pmPorto
$498
Find similar
SWISS
Oct 30
OPO7:25 pmPorto
26h 15m
1 stop
JFK5:40 pmNew York John F Kennedy Intl
Nov 6
JFK4:25 pmNew York John F Kennedy Intl
20h 15m
1 stop
OPO5:40 pmPorto
$500
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 septiembre 17, 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

vie. 11/21

5:35 pm-1:25 pm

2 stops24h 50m

Newark

jue. 11/27

5:30 pm-4:55 pm

1 stop18h 25m

$368

PortoNewark

OPO - EWR

OPOEWR

Porto

lun. 11/10

5:35 pm-1:35 pm

2 stops25h 00m

Newark

dom. 11/23

5:30 pm-4:45 pm

1 stop18h 15m

$385

PortoMiami

OPO - MIA

OPOMIA

Porto

lun. 1/12

8:40 pm-1:55 pm

1 stop22h 15m

Miami

lun. 1/19

10:00 pm-7:40 am

2 stops28h 40m

$498

PortoNewark

OPO - EWR

OPOEWR

Porto

vie. 11/21

6:35 pm-10:00 pm

Nonstop8h 25m

Newark

vie. 11/28

12:25 am-12:00 pm

Nonstop6h 35m

$499

PortoNew York

OPO - LGA

OPOLGA

Porto

jue. 12/18

6:00 am-6:13 pm

2 stops17h 13m

New York LaGuardia

jue. 1/8

6:15 am-11:40 am

2 stops24h 25m

$502

PortoNew York

OPO - LGA

OPOLGA

Porto

vie. 2/13

6:00 am-4:05 pm

2 stops39h 05m

New York LaGuardia

mié. 2/18

2:59 pm-3:25 pm

2 stops19h 26m

$503

PortoMiami

OPO - MIA

OPOMIA

Porto

lun. 1/12

8:20 am-10:05 pm

2 stops18h 45m

Miami

mié. 1/21

10:40 pm-7:40 am

2 stops28h 00m

$503

PortoMiami

OPO - MIA

OPOMIA

Porto

mar. 1/13

11:35 am-7:30 pm

1 stop12h 55m

Miami

lun. 1/19

9:45 pm-3:15 pm

1 stop12h 30m

$515

PortoNew York

OPO - JFK

OPOJFK

Porto

jue. 10/16

11:35 am-5:35 pm

1 stop11h 00m

New York John F Kennedy Intl

dom. 10/26

11:05 pm-6:50 am

1 stop27h 45m

$531

PortoLos Angeles

OPO - LAX

OPOLAX

Porto

jue. 10/30

7:00 am-3:40 pm

1 stop15h 40m

Los Angeles

jue. 11/6

4:45 pm-6:00 pm

1 stop17h 15m

$677

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 $505. 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 $527.

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 $651. 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 $781. 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 $706. 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 Newark 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 $560 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 9% 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

$454

Fastest flight time

7h 35m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from Porto in the past 72 hours is $454. The best round-trip flight deal from Porto to United States found on momondo in the last 72 hours is $476.
The fastest flight from Porto to United States takes 7h 35m
Direct flights go from Porto to United States every day.
There are 2 airports near United States: Newark (EWR), Boston Logan Intl (BOS)
Search flight deals

  • 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 $308Free CancellationRating
7.5
73 reviews
Search Azores Airlines flights
IberiaPriceFrom $433Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
Air EuropaPriceFrom $444Free CancellationRating
7.0
557 reviews
Search Air Europa flights
TAP AIR PORTUGALPriceFrom $459Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $467Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
United AirlinesPriceFrom $494Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LufthansaPriceFrom $670Free CancellationRating
6.8
7,409 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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