HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$202+ Cheap flights from the United States 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OPO
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Porto with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Porto

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) 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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$479
(Kiwi.com)

One-way from

$202
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$508

Good round-trip deal

$565 or less

Good one-way deal

$326 or less
Provider with most accurate pricing for New York (NYC)-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Porto flights.
Search Deals
From USA to Porto
Search Deals
One-way flight from USA to Porto
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a round-trip flight from USA to Porto.
Search Deals
Price to beat on a one-way flight from USA to Porto.
Search Deals

Find flight deals from USA to Porto

Cheapest flights from USA to Porto
Explore the most affordable flight options available from USA to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
mar. 2/411:25 pmBOS - OPO
2 stops13h 35mMultiple Airlines
mar. 2/118:35 amOPO - BOS
1 stop18h 05mMultiple Airlines
Deal found 1/28$479
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
jue. 3/2010:55 pmBOS - OPO
1 stop13h 45mSWISS
mié. 3/2612:05 pmOPO - BOS
1 stop13h 15mSWISS
Deal found 1/28$489
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/2211:05 pmJFK - OPO
1 stop16h 15mAir Europa
sáb. 3/2911:35 amOPO - JFK
1 stop11h 15mAir Europa
Deal found 1/30$492
This Booking.com deal was found by Cheapflights users on 1/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/136:40 pmEWR - OPO
1 stop12h 30mScandinavian Airlines
lun. 3/2410:55 amOPO - EWR
1 stop33h 55mScandinavian Airlines
Deal found 1/30$492
This Mytrip deal was found by Cheapflights users on 1/29. 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.
jue. 2/2711:00 pmEWR - OPO
1 stop11h 25mMultiple Airlines
jue. 3/610:50 amOPO - EWR
1 stop15h 10mMultiple Airlines
Deal found 1/29$495
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
mar. 3/47:05 pmORD - OPO
1 stop17h 25mSWISS
mar. 3/1112:05 pmOPO - ORD
1 stop34h 10mSWISS
Deal found 1/28$497
This Trip.com deal was found by Cheapflights users on 1/30. 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.
mar. 4/85:40 pmBOS - OPO
1 stop12h 35mScandinavian Airlines
mié. 4/2312:05 pmOPO - BOS
1 stop32h 30mScandinavian Airlines
Deal found 1/30$498
This Mytrip deal was found by Cheapflights users on 1/29. 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.
jue. 3/136:45 pmJFK - OPO
1 stop12h 25mScandinavian Airlines
lun. 3/1710:55 amOPO - JFK
1 stop34h 00mScandinavian Airlines
Deal found 1/29$500
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/39:15 pmBOS - OPO
1 stop8h 40mAzores Airlines
mar. 2/112:10 pmOPO - BOS
1 stop10h 55mAzores Airlines
Deal found 1/29$500
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
mié. 10/111:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
mié. 10/156:10 pmOPO - BOS
Nonstop7h 35mTAP AIR PORTUGAL
Deal found 1/30$510
This Gotogate deal was found by Cheapflights users on 1/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/411:35 amORD - OPO
2 stops18h 30mAir Canada
mar. 3/116:00 amOPO - ORD
2 stops18h 37mAir Canada
Deal found 1/30$511
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
mié. 2/269:25 pmORD - OPO
1 stop20h 10mMultiple Airlines
mié. 3/57:20 pmOPO - ORD
1 stop26h 55mMultiple Airlines
Deal found 1/29$513

Find flights from USA to Porto within your budget

Customize your flight search to find flights from USA 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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mié. 5/7

6:50 pm-8:15 pm

1 stop20h 25m

Porto

jue. 5/15

9:10 pm-5:40 pm

1 stop25h 30m

$431

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

jue. 3/20

10:55 pm-4:40 pm

1 stop13h 45m

Porto

mié. 3/26

12:05 pm-9:20 pm

1 stop13h 15m

$489

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

sáb. 3/22

11:05 pm-7:20 pm

1 stop16h 15m

Porto

sáb. 3/29

11:35 am-6:50 pm

1 stop11h 15m

$492

NewarkPorto

EWR - OPO

EWROPO

Newark

jue. 3/13

6:40 pm-11:10 am

1 stop12h 30m

Porto

lun. 3/24

10:55 am-4:50 pm

1 stop33h 55m

$492

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

jue. 3/20

10:55 pm-4:40 pm

1 stop13h 45m

Porto

mié. 3/26

6:00 am-10:39 pm

2 stops20h 39m

$493

NewarkPorto

EWR - OPO

EWROPO

Newark

jue. 2/27

11:00 pm-3:25 pm

1 stop11h 25m

Porto

jue. 3/6

10:50 am-9:00 pm

1 stop15h 10m

$495

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 3/4

7:05 pm-6:30 pm

1 stop17h 25m

Porto

mar. 3/11

12:05 pm-5:15 pm

1 stop34h 10m

$497

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

mar. 4/8

5:40 pm-11:15 am

1 stop12h 35m

Porto

mié. 4/23

12:05 pm-3:35 pm

1 stop32h 30m

$498

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

lun. 3/3

9:15 pm-10:55 am

1 stop8h 40m

Porto

mar. 3/25

2:10 pm-9:05 pm

1 stop10h 55m

$507

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 3/4

11:35 am-12:05 pm

2 stops18h 30m

Porto

mar. 3/11

6:00 am-7:37 pm

2 stops18h 37m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from USA to Porto

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

Travel insights for flights from USA to Porto

Get recent, data-driven insights about flights from USA to Porto including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from USA to Porto (average of $523). Flying from USA to Porto in June is currently the most expensive (average of $1,091). 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 US to OPO?

Find hourly flight availability from USA 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 enero 30, 2025.

When flying from USA to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 enero 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from USA to Porto by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
786 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from USA to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from United States?

    Porto (OPO) is the airport you will fly into if you book a flight from United States to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • What are the cheapest airlines to fly from USA to Porto one-way?

    The cheapest airlines for a one-way flight from USA to Porto are Azores Airlines ($233), TAP AIR PORTUGAL ($268), and Iberia ($288).

  • What are the most popular routes from USA to Porto?

    When deciding which route to take from USA to Porto consider Newark - Porto, New York John F Kennedy Intl - Porto or New York LaGuardia - Porto as they are the most popular.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to Porto (average of $523). Flying from USA to Porto in June is currently the most expensive (average of $1,091). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
Dulles Intl to Lisbon flights
LaGuardia to Lisbon flights
Newark to Porto flights
Miami to Lisbon flights
O'Hare Intl to Lisbon flights
San Francisco to Lisbon flights
Reagan-National to Lisbon flights
Boston to Ponta Delgada flights
Baltimore to Lisbon flights
Los Angeles to Lisbon flights
John F Kennedy Intl to Porto flights
Philadelphia to Lisbon flights
John F Kennedy Intl to Ponta Delgada flights
Dallas/Fort Worth to Lisbon flights
LaGuardia to Porto flights
Seattle to Lisbon flights
Newark to Ponta Delgada flights
Midway to Lisbon flights
Boston to Porto flights
Pearson Intl to Lisbon flights
Atlanta to Lisbon flights
Charlotte to Lisbon flights
Denver to Lisbon flights
Hobby to Lisbon flights
LaGuardia to Ponta Delgada flights
Love Field to Lisbon flights
Orlando to Lisbon flights
John F Kennedy Intl to Funchal flights
Newark to Funchal flights
George Bush Intcntl to Lisbon flights
Dulles Intl to Porto flights
Tampa to Lisbon flights
Stewart to Lisbon flights
Minneapolis to Lisbon flights
Portland to Lisbon flights
Sky Harbor Intl to Lisbon flights
Detroit to Lisbon flights
Raleigh to Lisbon flights
LaGuardia to Funchal flights
Reagan-National to Porto flights
Fort Lauderdale to Lisbon flights
O'Hare Intl to Porto flights
Austin to Lisbon flights
Los Angeles to Porto flights
John F Kennedy Intl to Faro flights
Baltimore to Porto flights

Top 10 airlines flying from USA to Porto

Discover the top 10 airlines that operate flights from USA 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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$375Average$897FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$377Average$881FlexibilityNo cancel feeOn-time79%
Azores AirlinesCheapest$382Average$748FlexibilityNo cancel feeOn-time74%
PLAYCheapest$402Average$634FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$421Average$992FlexibilityNo cancel feeOn-time77%
DeltaCheapest$423Average$993FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$425Average$929FlexibilityNo cancel feeOn-time75%
LEVELCheapest$435Average$587FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$446Average$895FlexibilityNo cancel feeOn-time88%
Air EuropaCheapest$470Average$774FlexibilityNo cancel feeOn-time83%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.