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Portugal

$318+ Cheap flights from the United States to Portugal

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap flight deals from USA to Portugal

Cheapest flights from USA to Portugal
Explore the most affordable flight options available from USA to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.

This LEVEL deal was found by Cheapflights users on 4/22. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 pm
JFK
-
OPO
1 stop11h 45m
LEVEL
Wed 10/710:00 pm
OPO
-
JFK
1 stop28h 40m
LEVEL
Deal found 4/22$566
This Air Europa deal was found by Cheapflights users on 4/25. 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:05 pm
JFK
-
OPO
1 stop12h 10m
Air Europa
Wed 11/117:35 am
OPO
-
JFK
1 stop15h 15m
Air Europa
Deal found 4/25$567
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Sun 11/110:05 pm
JFK
-
OPO
1 stop16h 15m
Air Europa
Sat 11/711:35 am
OPO
-
JFK
1 stop11h 15m
Air Europa
Deal found 4/22$572
This Air Europa deal was found by Cheapflights users on 4/25. 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:05 pm
JFK
-
OPO
1 stop12h 10m
Air Europa
Mon 11/94:05 pm
OPO
-
JFK
1 stop30h 45m
Air Europa
Deal found 4/25$578
This oojo deal was found by Cheapflights users on 4/26. 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.
Fri 11/2010:05 pm
JFK
-
OPO
1 stop12h 10m
Air Europa
Thu 11/264:05 pm
OPO
-
JFK
1 stop30h 45m
Air Europa
Deal found 4/26$593
This Mytrip deal was found by Cheapflights users on 4/26. 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 9/278:25 pm
EWR
-
LIS
2 stops15h 45m
Multiple Airlines
Tue 10/138:35 pm
LIS
-
EWR
2 stops29h 25m
Multiple Airlines
Deal found 4/26$602
This Mytrip deal was found by Cheapflights users on 4/25. 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 9/208:25 pm
EWR
-
LIS
2 stops17h 30m
Multiple Airlines
Tue 9/299:35 pm
LIS
-
EWR
2 stops28h 25m
Multiple Airlines
Deal found 4/25$603
This Iberia deal was found by Cheapflights users on 4/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:45 pm
JFK
-
OPO
1 stop11h 25m
Iberia
Tue 5/510:00 pm
OPO
-
JFK
1 stop29h 00m
Iberia
Deal found 4/24$604
This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:45 pm
EWR
-
LIS
2 stops40h 50m
Scandinavian Airlines
Mon 12/74:55 pm
LIS
-
EWR
2 stops49h 30m
Scandinavian Airlines
Deal found 4/23$604
This Iberia deal was found by Cheapflights users on 4/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:45 pm
JFK
-
OPO
1 stop11h 25m
Iberia
Tue 5/510:00 pm
OPO
-
JFK
1 stop29h 00m
Iberia
Deal found 4/23$605
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 9/218:25 pm
EWR
-
LIS
2 stops17h 00m
Multiple Airlines
Tue 9/299:35 pm
LIS
-
EWR
2 stops28h 25m
Multiple Airlines
Deal found 4/25$607
This LEVEL deal was found by Cheapflights users on 4/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:25 pm
JFK
-
OPO
1 stop27h 35m
LEVEL
Thu 10/158:35 am
OPO
-
JFK
1 stop18h 05m
LEVEL
Deal found 4/25$609

Find flight deals from USA to Portugal

Keep the following information in mind while searching for USA to Portugal flight deals. Data was last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$602
(Mytrip)

One-way from

$318
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$654

Good round-trip deal

$467 or less

Good one-way deal

$275 or less
Provider with most accurate pricing for New York (NYC)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Lisbon Humberto Delgado flights.
Search Deals
From USA to Portugal
Search Deals
One-way flight from USA to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from USA to Portugal.
Search Deals
Price to beat on a one-way flight from USA to Portugal.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Portugal 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 April 27, 2026.
Use the filters below to find and compare flights from the United States to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 8/20

11:35 pm-9:30 pm

1 stop16h 55m

Lisbon Humberto Delgado

Sat 9/5

7:20 pm-10:05 pm

1 stop31h 45m

$745

NewarkPorto

EWR - OPO

EWROPO

Newark

Mon 9/14

11:00 pm-5:50 pm

1 stop13h 50m

Porto

Fri 9/18

6:00 pm-9:00 pm

1 stop32h 00m

$830

NewarkPorto

EWR - OPO

EWROPO

Newark

Thu 9/17

5:20 pm-5:05 pm

2 stops18h 45m

Porto

Thu 9/24

11:50 am-1:15 pm

2 stops30h 25m

$832

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Sat 10/10

5:55 pm-9:35 am

1 stop10h 40m

Lisbon Humberto Delgado

Sun 10/25

8:35 am-4:55 pm

1 stop12h 20m

$837

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Sun 5/31

9:55 am-9:35 am

1 stop18h 40m

Lisbon Humberto Delgado

Mon 6/8

11:35 am-7:25 pm

1 stop12h 50m

$837

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Fri 7/10

8:25 pm-9:35 am

1 stop32h 10m

Lisbon Humberto Delgado

Fri 7/17

11:35 am-7:25 pm

1 stop12h 50m

$837

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Thu 7/9

5:55 pm-9:35 am

1 stop10h 40m

Lisbon Humberto Delgado

Fri 7/17

11:35 am-8:55 am

1 stop26h 20m

$837

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Sun 5/24

9:25 pm-11:05 pm

1 stop20h 40m

Lisbon Humberto Delgado

Tue 10/6

11:00 am-7:25 pm

1 stop13h 25m

$876

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Sun 8/16

6:05 am-10:30 am

1 stop23h 25m

Lisbon Humberto Delgado

Mon 8/24

11:25 am-9:47 am

1 stop27h 22m

$882

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Sat 8/15

8:30 pm-9:20 am

1 stop31h 50m

Lisbon Humberto Delgado

Mon 8/24

11:25 am-4:57 pm

1 stop10h 32m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from USA to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

How far ahead should I book a flight from USA to Portugal?

The best time to book flights from USA to Portugal is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from USA to Portugal (average of $594). Flying from USA to Portugal in June is currently the most expensive (average of $1,068). 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 PT?

Find hourly flight availability from USA to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Portugal as you normally would.

How often are flights from the United States to Portugal delayed?

About 27% of weekly flights between United States and Portugal have experienced delays in the past year, with the average delay time being 149 minutes.

What is the most punctual flight time for the United States to Portugal flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to Portugal flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 20% of flights being delayed.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated April 27, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from the United States to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,466 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,672 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,674 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
TAP AIR PORTUGAL
7.1
Good
2,223 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,927 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How popular is this USA to Portugal flight route?

    The United States to Portugal flight path was viewed by 56 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from USA to Portugal?

    Departing from USA to Portugal will take you 10h 40m. The distance from USA to Portugal is about 3357 mi. This flight may include one or multiple stops.

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

    $130 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from $158 and $165, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to Portugal (average of $594). Flying from USA to Portugal in June is currently the most expensive (average of $1,068). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from USA to Portugal

Discover the top 10 airlines that operate flights from USA to Portugal. 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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$219Average$605FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$244Average$730FlexibilityNo cancel feeOn-time79%
IberiaCheapest$260Average$762FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$339Average$435FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$357Average$626FlexibilityNo cancel feeOn-time77%
KLMCheapest$366Average$826FlexibilityNo cancel feeOn-time75%
PLAYCheapest$370Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$378Average$854FlexibilityNo cancel feeOn-time71%
Air EuropaCheapest$392Average$659FlexibilityNo cancel feeOn-time83%
LEVELCheapest$405Average$639FlexibilityNo cancel feeOn-timeN/A

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