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 TAP AIR PORTUGAL ($254), PLAY ($316), and Iberia ($343).

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 Boston Logan Intl - Porto as they are the most popular.

What are the most popular airlines that fly from USA to Porto?

Consider LEVEL, American Airlines or Air France when booking your flight. These represent the most popular airlines when flying from USA to Porto.

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

Users have found that booking a flight from USA to Porto at least 40 days early can save you up to 55% on average compared to booking a flight this week. If booking 40 days before your flight isn’t an option for you, users have found flights from USA to Porto for as little as $776 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,182 for flights departing within the next 3 days.

What is the cheapest month to fly from USA to Porto?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Porto. Flights to Porto from USA in November are about $778 on average during November, but can be found for as low as $298.

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.

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.

$539+ Flights from the United States to Porto - Compare & Save Big

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Cheap flight deals from USA to Porto

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$545 (Kiwi.com)
One-way from	$254 (oojo)
Popular in	July
Cheapest in	November
Average price	$868
Good round-trip deal	$565 or less
Good one-way deal	$321 or less

Provider with most accurate pricing for New York (NYC)-Porto flight deals.

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Provider most trusted by Cheapflights users for New York (NYC)-Porto flights.

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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 ($235 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Price to beat on a round-trip flight from USA to Porto.

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Price to beat on a one-way flight from USA to Porto.

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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 May 1, 2025.

Sun 11/231:55 pmDFW - OPO

1 stop11h 45mIberia

Wed 12/34:40 pmOPO - DFW

1 stop18h 50mIberia

Deal found 4/29

$530

Sun 11/910:05 pmJFK - OPO

1 stop12h 10mAir Europa

Sun 11/167:35 amOPO - JFK

1 stop15h 15mAir Europa

Deal found 4/30

$545

Wed 10/14:45 pmJFK - OPO

1 stop13h 05mMultiple Airlines

Wed 10/87:35 amOPO - JFK

2 stops15h 55mMultiple Airlines

Deal found 4/30

$565

Wed 8/206:00 amORD - OPO

1 stop21h 45mMultiple Airlines

Thu 8/2812:10 pmOPO - ORD

1 stop32h 41mMultiple Airlines

Deal found 4/30

$565

Wed 10/810:05 pmJFK - OPO

1 stop17h 20mTAP AIR PORTUGAL

Tue 10/1410:30 pmOPO - JFK

1 stop26h 35mTAP AIR PORTUGAL

Deal found 4/29

$570

Wed 8/201:55 pmORD - OPO

2 stops13h 25mAir Canada

Thu 8/2812:10 pmOPO - ORD

2 stops25h 50mAir Canada

Deal found 4/30

$572

Thu 11/1312:30 pmJFK - OPO

2 stops23h 25mScandinavian Airlines

Mon 11/175:35 pmOPO - JFK

1 stop27h 20mScandinavian Airlines

Deal found 4/30

$573

Wed 10/84:45 pmJFK - OPO

1 stop9h 50mBritish Airways

Thu 10/99:55 amOPO - JFK

1 stop13h 10mBritish Airways

Deal found 4/29

$575

Thu 11/131:00 pmBWI - OPO

2 stops16h 50mDelta

Fri 11/2111:45 amOPO - BWI

2 stops16h 11mDelta

Deal found 4/30

$576

Sat 9/206:15 pmORD - OPO

1 stop14h 45mTAP AIR PORTUGAL

Fri 9/269:00 amOPO - ORD

1 stop13h 30mTAP AIR PORTUGAL

Deal found 4/30

$577

Fri 12/126:25 pmORD - OPO

1 stop14h 50mUnited Airlines

Mon 12/2212:30 pmOPO - ORD

1 stop30h 55mUnited Airlines

Deal found 4/30

$587

Tue 8/267:00 amORD - OPO

2 stops22h 00mScandinavian Airlines

Fri 9/55:55 pmOPO - ORD

1 stop28h 15mScandinavian Airlines

Deal found 4/30

$598

Best flights from USA to Porto
Discover carefully curated flight deals from USA to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sun 5/1111:10 pmJFK - OPO

2 stops29h 30mMultiple Airlines

Fri 5/237:10 pmOPO - JFK

1 stop31h 50mMultiple Airlines

Deal found 4/30

$545

Sun 5/1110:05 pmJFK - OPO

1 stop12h 10mAir Europa

Thu 5/157:35 amOPO - JFK

1 stop15h 10mAir Europa

Deal found 4/29

$550

Wed 8/201:55 pmORD - OPO

2 stops13h 25mAir Canada

Thu 8/2812:10 pmOPO - ORD

2 stops25h 50mAir Canada

Deal found 4/30

$572

Sat 9/206:15 pmORD - OPO

1 stop14h 45mTAP AIR PORTUGAL

Fri 9/269:00 amOPO - ORD

1 stop13h 30mTAP AIR PORTUGAL

Deal found 4/30

$577

Sun 7/139:40 pmDFW - OPO

1 stop16h 15mIberia

Tue 8/268:15 amOPO - DFW

1 stop17h 55mIberia

Deal found 4/30

$580

Tue 8/267:00 amORD - OPO

2 stops22h 00mScandinavian Airlines

Fri 9/55:55 pmOPO - ORD

1 stop28h 15mScandinavian Airlines

Deal found 4/30

$598

Fri 10/104:30 pmORD - OPO

1 stop13h 10mAmerican Airlines

Tue 10/218:15 amOPO - ORD

2 stops19h 10mAmerican Airlines

Deal found 4/29

$607

Tue 9/167:50 pmORD - OPO

1 stop38h 00mTurkish Airlines

Tue 9/3010:50 amOPO - ORD

1 stop28h 50mTurkish Airlines

Deal found 4/30

$610

Tue 7/16:03 pmBOS - OPO

2 stops34h 17mUnited Airlines

Thu 8/2812:10 pmOPO - BOS

2 stops34h 38mUnited Airlines

Deal found 4/30

$611

Tue 7/17:13 amBOS - OPO

2 stops31h 17mBritish Airways

Tue 7/88:40 pmOPO - BOS

2 stops31h 54mBritish Airways

Deal found 4/30

$612

Wed 8/272:20 pmORD - OPO

1 stop15h 05mSWISS

Thu 9/48:40 amOPO - ORD

1 stop13h 15mSWISS

Deal found 4/30

$625

Wed 7/95:20 pmBOS - OPO

1 stop10h 05mKLM

Tue 7/226:35 amOPO - BOS

1 stop12h 00mKLM

Deal found 4/30

$631

Last-minute flights from USA to Porto
Discover last-minute flight deals from USA to Porto. Data last updated May 1, 2025 and is based on user searches.

Thu 5/14:15 pmBOS - OPO

2 stops39h 20mMultiple Airlines

Wed 5/1410:00 pmOPO - BOS

1 stop28h 05mMultiple Airlines

Deal found 4/30

$605

Sat 5/37:15 pmBOS - OPO

1 stop19h 50mPLAY

Sun 5/119:05 pmOPO - BOS

1 stop25h 45mPLAY

Deal found 4/29

$652

Mon 5/54:15 pmBOS - OPO

2 stops22h 30mMultiple Airlines

Sun 5/1110:10 pmOPO - BOS

2 stops20h 45mMultiple Airlines

Deal found 4/29

$619

Mon 5/510:50 pmBOS - OPO

1 stop12h 25mVueling

Wed 5/144:55 pmOPO - BOS

1 stop33h 10mVueling

Deal found 4/30

$646

Mon 5/59:35 pmBOS - OPO

1 stop31h 15mTurkish Airlines

Tue 5/2710:50 amOPO - BOS

1 stop37h 50mTurkish Airlines

Deal found 4/29

$712

Tue 5/66:35 pmBOS - OPO

1 stop10h 25mTAP AIR PORTUGAL

Wed 5/146:10 pmOPO - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 4/30

$718

Wed 5/78:25 pmJFK - OPO

3 stops29h 25mMultiple Airlines

Wed 5/147:10 amOPO - JFK

2 stops20h 20mMultiple Airlines

Deal found 4/30

$571

Wed 5/711:00 pmEWR - OPO

1 stop33h 55mMultiple Airlines

Wed 5/144:05 pmOPO - EWR

2 stops28h 15mMultiple Airlines

Deal found 4/29

$650

Thu 5/88:45 pmJFK - OPO

1 stop33h 30mRoyal Air Maroc

Fri 5/167:00 pmOPO - JFK

1 stop20h 00mRoyal Air Maroc

Deal found 4/29

$701

Thu 5/86:50 pmBWI - OPO

2 stops23h 10mMultiple Airlines

Mon 5/124:00 pmOPO - BWI

2 stops30h 40mMultiple Airlines

Deal found 4/29

$718

Fri 5/97:05 amLGA - OPO

2 stops32h 55mMultiple Airlines

Thu 5/1510:30 pmOPO - LGA

2 stops24h 38mMultiple Airlines

Deal found 4/30

$617

Sat 5/1010:05 pmJFK - OPO

1 stop16h 15mAir Europa

Thu 5/1511:35 amOPO - JFK

1 stop11h 10mAir Europa

Deal found 4/30

$605

One-way flights from USA to Porto
Search for one-way flight options from USA to Porto. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sat 8/1610:35 pmIAD - OPO

1 stop16h 50mTAP AIR PORTUGAL

Deal found 4/29

$254

Mon 8/1810:20 pmIAD - OPO

2 stops27h 30mMultiple Airlines

Deal found 4/29

$281

Mon 8/187:25 pmORD - OPO

2 stops21h 10mMultiple Airlines

Deal found 4/30

$293

Sun 8/106:00 pmORD - OPO

1 stop10h 00mTAP AIR PORTUGAL

Deal found 4/30

$304

Mon 8/181:51 pmBWI - OPO

1 stop16h 04mMultiple Airlines

Deal found 4/29

$304

Sat 5/107:15 pmBOS - OPO

1 stop19h 50mPLAY

Deal found 4/30

$316

Mon 6/239:55 amLGA - OPO

3 stops42h 55mMultiple Airlines

Deal found 4/30

$318

Mon 5/128:25 pmJFK - OPO

2 stops18h 50mMultiple Airlines

Deal found 4/29

$321

Mon 5/510:50 pmBOS - OPO

2 stops17h 45mMultiple Airlines

Deal found 4/29

$324

Tue 7/2910:05 pmJFK - OPO

1 stop11h 05mTAP AIR PORTUGAL

Deal found 4/30

$339

Mon 5/1210:50 pmBOS - OPO

1 stop12h 25mIberia

Deal found 4/30

$343

Mon 7/1411:40 pmJFK - OPO

1 stop11h 35mIberia

Deal found 4/28

$344

Cheapflights Fare Finder

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

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Sun 5/11

11:10 pm-9:40 am

2 stops29h 30m

Porto

Fri 5/23

7:10 pm-10:00 pm

1 stop31h 50m

$545

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Sun 5/11

10:05 pm-3:15 pm

1 stop12h 10m

Porto

Thu 5/15

7:35 am-5:45 pm

1 stop15h 10m

$550

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Mon 8/25

6:55 pm-11:00 am

1 stop35h 05m

Porto

Fri 9/12

5:55 pm-5:00 pm

1 stop28h 05m

$556

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 10/9

6:00 pm-6:55 pm

1 stop18h 55m

Porto

Fri 10/24

9:00 am-4:10 pm

1 stop13h 10m

$567

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Wed 10/8

10:05 pm-8:25 pm

1 stop17h 20m

Porto

Tue 10/14

10:30 pm-8:05 pm

1 stop26h 35m

$570

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 9/16

6:06 pm-9:20 am

2 stops33h 14m

Porto

Tue 9/30

12:50 pm-9:51 am

1 stop27h 01m

$572

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Wed 10/8

4:45 pm-7:35 am

1 stop9h 50m

Porto

Thu 10/9

9:55 am-6:05 pm

1 stop13h 10m

$575

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 7/13

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Tue 8/26

8:15 am-8:10 pm

1 stop17h 55m

$580

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 10/13

10:30 pm-11:20 pm

2 stops18h 50m

Porto

Tue 11/11

12:30 pm-8:05 pm

1 stop13h 35m

$593

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 8/26

7:00 am-11:00 am

2 stops22h 00m

Porto

Fri 9/5

5:55 pm-4:10 pm

1 stop28h 15m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from the United States to Porto

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 $1,071). 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?

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

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

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 a feel of what it's like to fly with Delta, Porter Airlines and KLM 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

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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.

Porter Airlines

8.0

Very good

285 reviews

Delta

8.0

Very good

7,934 reviews

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

1,334 reviews

Delta

8.0

Very good

7,934 reviews

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

385 reviews

Delta

8.0

Very good

7,934 reviews

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.

Azores Airlines

7.6

Good

66 reviews

Delta

8.0

Very good

7,934 reviews

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

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 TAP AIR PORTUGAL ($254), PLAY ($316), and Iberia ($343).
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 Boston Logan Intl - 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 $1,071). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

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Top 10 airlines flying from USA to Porto

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$269	Average$636	FlexibilityNo cancel fee	On-time77%
Azores Airlines	Cheapest$293	Average$671	FlexibilityNo cancel fee	On-time74%
TAP AIR PORTUGAL	Cheapest$375	Average$818	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$377	Average$820	FlexibilityNo cancel fee	On-time79%
Air France	Cheapest$422	Average$1,056	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$425	Average$946	FlexibilityNo cancel fee	On-time75%
LEVEL	Cheapest$433	Average$592	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$435	Average$999	FlexibilityNo cancel fee	On-timeN/A
Air Europa	Cheapest$469	Average$769	FlexibilityNo cancel fee	On-time83%
American Airlines	Cheapest$479	Average$883	FlexibilityNo cancel fee	On-time71%

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$254+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from USA to Porto with Cheapflights

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Cheap flight deals from USA to Porto

Keep the following information in mind while searching for USA to Porto flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from USA to Porto

Cheapest flights from USA to PortoExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Porto that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from the United States to Porto

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

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 May 1, 2025.

Rainfall in Porto by month

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

Temperature in Porto by month

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

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 May 1, 2025.

Get a feel of what it's like to fly with Delta, Porter Airlines and KLM 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.

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?

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

What are the most popular routes from USA to Porto?

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

How can I find direct flights from USA to Porto?

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

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

Traveling to a place near the United States?

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Alternative routes for USA to Porto

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Top 10 airlines flying from USA to Porto

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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 May 1, 2025.