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$227+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Mar 2 — Mar 91
Sun 3/2
Sun 3/9
1 adult, Economy
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Cheap flight deals from USA to Portugal

Keep the following information in mind while searching for USA to Portugal flight deals. Data was last updated February 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$502
(Gotogate)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$619

Good round-trip deal

$479 or less

Good one-way deal

$254 or less
Provider with most accurate pricing for New York (NYC)-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Lisbon Humberto Delgado flights.
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From USA to Portugal
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One-way flight from USA to Portugal
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Highest demand for flights based on searches. 21% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from USA to Portugal.
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Price to beat on a one-way flight from USA to Portugal.
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Find 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 February 25, 2025.

This Gotogate deal was found by Cheapflights users on 2/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:10 pmBOS - PDL
1 stop25h 35mTAP AIR PORTUGAL
Tue 5/67:40 pmPDL - BOS
1 stop22h 35mTAP AIR PORTUGAL
Deal found 2/24$502
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:15 pmBOS - LIS
1 stop20h 05mPLAY
Mon 5/269:30 pmLIS - BOS
1 stop25h 20mPLAY
Deal found 2/23$504
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/187:15 pmBOS - PDL
2 stops24h 30mMultiple Airlines
Fri 5/239:50 amPDL - BOS
2 stops36h 00mMultiple Airlines
Deal found 2/24$505
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:06 amBOS - LIS
3 stops34h 34mMultiple Airlines
Mon 5/129:30 pmLIS - BOS
2 stops30h 59mMultiple Airlines
Deal found 2/24$509
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:50 pmBOS - LIS
1 stop17h 40mVueling
Wed 5/142:00 pmLIS - BOS
1 stop12h 05mVueling
Deal found 2/24$517
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2312:55 amEWR - OPO
2 stops33h 00mMultiple Airlines
Tue 4/16:35 pmOPO - EWR
2 stops31h 25mMultiple Airlines
Deal found 2/24$521
This United deal was found by Cheapflights users on 2/24. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:00 amORD - LIS
2 stops18h 30mUnited Airlines
Tue 4/811:25 amLIS - ORD
2 stops31h 50mUnited Airlines
Deal found 2/24$522
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:20 amORD - LIS
1 stop20h 00mAir Canada
Wed 4/911:25 amLIS - ORD
1 stop29h 22mAir Canada
Deal found 2/24$523
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:05 pmORD - LIS
1 stop13h 30mSWISS
Wed 3/1212:15 pmLIS - ORD
1 stop34h 00mSWISS
Deal found 2/23$524
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:20 pmJFK - LIS
1 stop19h 25mMultiple Airlines
Tue 4/86:15 amLIS - JFK
2 stops21h 15mMultiple Airlines
Deal found 2/24$526
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:20 amORD - LIS
1 stop20h 00mMultiple Airlines
Tue 4/86:10 pmLIS - ORD
1 stop24h 00mMultiple Airlines
Deal found 2/24$527
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/24. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2511:00 pmJFK - LIS
Nonstop6h 55mTAP AIR PORTUGAL
Tue 4/15:00 pmLIS - JFK
Nonstop8h 05mTAP AIR PORTUGAL
Deal found 2/24$527

Find flights from USA to Portugal within your budget

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 February 25, 2025.

Fly from

USA

Fly to

Portugal

Route

Depart

Return

Price

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Tue 3/25

7:10 pm-11:45 pm

1 stop25h 35m

Ponta Delgada Nordela

Tue 5/6

7:40 pm-2:15 pm

1 stop22h 35m

$502

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/22

7:15 pm-8:20 pm

1 stop20h 05m

Lisbon Humberto Delgado

Mon 5/26

9:30 pm-5:50 pm

1 stop25h 20m

$504

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Sun 5/18

7:15 pm-11:45 pm

2 stops24h 30m

Ponta Delgada Nordela

Fri 5/23

9:50 am-5:50 pm

2 stops36h 00m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 5/4

5:06 am-8:40 pm

3 stops34h 34m

Lisbon Humberto Delgado

Mon 5/12

9:30 pm-11:29 pm

2 stops30h 59m

$509

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/7

10:50 pm-9:30 pm

1 stop17h 40m

Lisbon Humberto Delgado

Wed 5/14

2:00 pm-9:05 pm

1 stop12h 05m

$517

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 4/1

10:00 am-10:30 am

2 stops18h 30m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-1:15 pm

2 stops31h 50m

$522

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 4/2

7:20 am-9:20 am

1 stop20h 00m

Lisbon Humberto Delgado

Wed 4/9

11:25 am-10:47 am

1 stop29h 22m

$523

New YorkLisbon

JFK - LIS

JFKLIS

New York John F Kennedy Intl

Tue 3/25

11:00 pm-9:55 am

Nonstop6h 55m

Lisbon Humberto Delgado

Tue 4/1

5:00 pm-8:05 pm

Nonstop8h 05m

$527

NewarkPorto

EWR - OPO

EWROPO

Newark

Sun 3/30

5:15 pm-11:10 am

1 stop12h 55m

Porto

Wed 4/30

12:15 pm-1:15 pm

2 stops30h 00m

$528

New YorkLisbon

JFK - LIS

JFKLIS

New York John F Kennedy Intl

Thu 3/27

11:05 pm-7:15 pm

1 stop16h 10m

Lisbon Humberto Delgado

Fri 4/4

8:05 pm-5:45 pm

1 stop26h 40m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 60 results
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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.

Travel insights for flights from USA to Portugal

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

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 $612). Flying from USA to Portugal in June is currently the most expensive (average of $1,230). 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 February 25, 2025.

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.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 February 25, 2025.
Read through reviews of airlines operating flights from USA to Portugal, such as Delta, Porter Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
8,163 reviews
Delta
8.0
Very good
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
7.9
Good
277 reviews
Delta
8.0
Very good
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
1,332 reviews
Delta
8.0
Very good
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
63 reviews
Delta
8.0
Very good
8,163 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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 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 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $243 is the cheapest one-way deal found within the past few days, from Azores Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $249 and $254, 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 $612). Flying from USA to Portugal in June is currently the most expensive (average of $1,230). 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 Portugal

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 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 February 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$260Average$744FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$323Average$743FlexibilityNo cancel feeOn-time77%
PLAYCheapest$332Average$511FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$370Average$773FlexibilityNo cancel feeOn-time76%
SWISSCheapest$377Average$891FlexibilityNo cancel feeOn-time79%
VuelingCheapest$403Average$776FlexibilityNo cancel feeOn-time88%
LufthansaCheapest$435Average$1,125FlexibilityNo cancel feeOn-time76%
Air EuropaCheapest$465Average$729FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$479Average$947FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$480Average$925FlexibilityNo cancel feeOn-timeN/A
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