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$217+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OPO
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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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 November 20, 2024.

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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.
Sun 12/810:30 pmIAD - OPO
1 stop13h 30mTAP AIR PORTUGAL
Tue 12/246:55 amOPO - IAD
1 stop12h 35mTAP AIR PORTUGAL
Deal found 11/19$448
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/18. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:20 pmORD - OPO
1 stop15h 40mTAP AIR PORTUGAL
Fri 12/136:55 amOPO - ORD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 11/18$478
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Tue 12/39:55 pmBOS - OPO
1 stop32h 20mMultiple Airlines
Wed 12/116:00 amOPO - BOS
2 stops21h 39mMultiple Airlines
Deal found 11/19$482
This oojo deal was found by Cheapflights users on 11/18. 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.
Wed 12/410:05 pmJFK - OPO
1 stop16h 15mAir Europa
Sun 12/811:35 amOPO - JFK
1 stop11h 15mAir Europa
Deal found 11/18$491
This Gotogate deal was found by Cheapflights users on 11/20. 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.
Sun 12/84:00 pmORD - OPO
2 stops17h 10mMultiple Airlines
Mon 12/236:55 pmOPO - ORD
1 stop27h 20mMultiple Airlines
Deal found 11/20$494
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Tue 12/39:55 pmBOS - OPO
1 stop32h 20mSWISS
Wed 12/117:25 pmOPO - BOS
1 stop29h 55mSWISS
Deal found 11/19$495
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Tue 12/38:40 pmBOS - OPO
1 stop11h 10mLufthansa
Wed 12/116:00 amOPO - BOS
1 stop12h 25mLufthansa
Deal found 11/19$498
This Gotogate deal was found by Cheapflights users on 11/18. 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.
Mon 12/28:00 amMIA - OPO
2 stops22h 35mMultiple Airlines
Mon 12/912:00 pmOPO - MIA
1 stop31h 40mMultiple Airlines
Deal found 11/18$502
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/34:45 pmORD - OPO
1 stop13h 00mAmerican Airlines
Thu 12/128:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 11/19$503
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:35 amORD - OPO
2 stops18h 05mAir Canada
Tue 12/106:00 amOPO - ORD
2 stops19h 32mAir Canada
Deal found 11/19$506
This Booking.com deal was found by Cheapflights users on 11/19. 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.
Tue 12/37:10 amBOS - OPO
2 stops23h 05mAir Canada
Tue 12/106:00 amOPO - BOS
2 stops21h 39mAir Canada
Deal found 11/19$507
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:00 amMIA - OPO
2 stops22h 35mAir Canada
Tue 12/106:00 amOPO - MIA
2 stops20h 37mAir Canada
Deal found 11/19$507

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/2

8:25 pm-11:05 am

1 stop32h 40m

Porto

Tue 2/11

6:00 pm-3:30 pm

1 stop27h 30m

$439

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 2/15

5:30 pm-11:00 am

1 stop12h 30m

Porto

Sun 2/23

6:00 pm-1:00 pm

1 stop24h 00m

$444

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 12/3

9:55 pm-11:15 am

1 stop32h 20m

Porto

Wed 12/11

6:00 am-10:39 pm

2 stops21h 39m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/2

8:25 pm-7:20 pm

2 stops16h 55m

Porto

Tue 2/11

8:10 pm-3:30 pm

2 stops25h 20m

$485

New YorkPorto

JFK - OPO

JFKOPO

New York John F Kennedy Intl

Wed 12/4

10:05 pm-7:20 pm

1 stop16h 15m

Porto

Wed 12/11

7:35 am-5:50 pm

1 stop15h 15m

$491

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 4/3

10:50 pm-8:00 am

1 stop28h 10m

Porto

Tue 4/8

10:00 pm-9:05 pm

1 stop28h 05m

$491

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 12/3

9:55 pm-11:15 am

1 stop32h 20m

Porto

Wed 12/11

7:25 pm-8:20 pm

1 stop29h 55m

$495

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/3

4:45 pm-11:45 am

1 stop13h 00m

Porto

Thu 12/12

8:20 am-2:30 pm

1 stop12h 10m

$503

MiamiPorto

MIA - OPO

MIAOPO

Miami

Mon 1/13

12:20 pm-3:25 pm

2 stops22h 05m

Porto

Sun 1/26

6:00 am-9:37 pm

2 stops20h 37m

$504

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/3

11:35 am-11:40 am

2 stops18h 05m

Porto

Wed 12/11

6:00 am-10:07 pm

2 stops22h 07m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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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 $517). Flying from USA to Porto in June is currently the most expensive (average of $993). 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 November 20, 2024.

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 November 20, 2024.
Get a feel of what it's like to fly with Air Canada, Vueling and Lufthansa 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
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

SWISS
7.6
Good
1,637 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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 Vueling ($217), TAP AIR PORTUGAL ($235), and Azores Airlines ($262).

  • 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 LaGuardia - Porto or New York John F Kennedy 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 $517). Flying from USA to Porto in June is currently the most expensive (average of $993). 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

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Alternative routes for USA to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$356Average$840FlexibilityNo cancel feeOn-time88%
TAP AIR PORTUGALCheapest$376Average$783FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$377Average$883FlexibilityNo cancel feeOn-time79%
Azores AirlinesCheapest$391Average$724FlexibilityNo cancel feeOn-time74%
PLAYCheapest$402Average$609FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$419Average$808FlexibilityNo cancel feeOn-time75%
DeltaCheapest$421Average$833FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$421Average$952FlexibilityNo cancel feeOn-time77%
LEVELCheapest$433Average$609FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$479Average$844FlexibilityNo cancel feeOn-time71%
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