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$271+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$511
(Gotogate)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$845

Good round-trip deal

$551 or less

Good one-way deal

$260 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. 19% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Gotogate deal was found by Cheapflights users on 4/21. 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 11/98:30 pmIAD - LIS
1 stop14h 35mScandinavian Airlines
Sun 11/164:55 pmLIS - IAD
1 stop29h 20mScandinavian Airlines
Deal found 4/21$493
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:20 pmIAD - LIS
Nonstop7h 20mTAP AIR PORTUGAL
Mon 10/135:30 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 4/22$511
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:00 pmBOS - LIS
1 stop13h 05mIberia
Mon 9/152:00 pmLIS - BOS
1 stop12h 15mIberia
Deal found 4/22$545
This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:35 pmBOS - LIS
1 stop17h 30mScandinavian Airlines
Sun 2/14:55 pmLIS - BOS
1 stop27h 55mScandinavian Airlines
Deal found 4/21$547
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 9/211:00 pmBOS - LIS
1 stop13h 05mMultiple Airlines
Sun 9/1410:55 amLIS - BOS
1 stop15h 20mMultiple Airlines
Deal found 4/21$548
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 9/711:00 pmBOS - LIS
1 stop16h 40mVueling
Fri 9/199:10 amLIS - BOS
1 stop17h 05mVueling
Deal found 4/21$568
This oojo deal was found by Cheapflights users on 4/21. 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.
Sun 10/1210:20 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Sat 10/1810:00 pmLIS - BOS
1 stop27h 40mTAP AIR PORTUGAL
Deal found 4/21$578
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:50 pmEWR - LIS
2 stops22h 20mScandinavian Airlines
Wed 8/277:15 amLIS - EWR
2 stops35h 00mScandinavian Airlines
Deal found 4/22$590
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:55 pmEWR - LIS
Nonstop6h 45mTAP AIR PORTUGAL
Fri 2/2712:05 pmLIS - EWR
Nonstop8h 25mTAP AIR PORTUGAL
Deal found 4/21$591
This oojo deal was found by Cheapflights users on 4/21. 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 9/179:05 pmIAD - LIS
1 stop10h 10mRoyal Air Maroc
Tue 9/306:40 pmLIS - IAD
1 stop29h 25mRoyal Air Maroc
Deal found 4/21$594
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:15 amEWR - LIS
1 stop26h 00mMultiple Airlines
Wed 6/258:50 amLIS - EWR
1 stop17h 10mMultiple Airlines
Deal found 4/20$596
This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:30 pmIAD - LIS
1 stop14h 35mMultiple Airlines
Tue 11/186:10 pmLIS - IAD
2 stops28h 05mMultiple Airlines
Deal found 4/21$596

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 22, 2025.
Use the filters below to find and compare flights from the United States to Portugal that are best for you.

Fly from

USA

Fly to

Portugal

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 9/6

11:00 pm-5:05 pm

1 stop13h 05m

Lisbon Humberto Delgado

Mon 9/15

2:00 pm-9:15 pm

1 stop12h 15m

$545

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 9/2

11:00 pm-5:05 pm

1 stop13h 05m

Lisbon Humberto Delgado

Sun 9/14

10:55 am-9:15 pm

1 stop15h 20m

$548

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 9/7

11:00 pm-8:40 pm

1 stop16h 40m

Lisbon Humberto Delgado

Fri 9/19

9:10 am-9:15 pm

1 stop17h 05m

$568

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 10/12

10:20 pm-9:50 am

Nonstop6h 30m

Lisbon Humberto Delgado

Sat 10/18

10:00 pm-8:40 pm

1 stop27h 40m

$578

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Mon 8/18

6:50 pm-10:10 pm

2 stops22h 20m

Lisbon Humberto Delgado

Wed 8/27

7:15 am-1:15 pm

2 stops35h 00m

$590

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 10/15

5:35 pm-5:30 am

Nonstop6h 55m

Lisbon Humberto Delgado

Wed 10/29

6:45 pm-11:10 pm

Nonstop8h 25m

$593

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/16

9:55 am-10:05 pm

2 stops31h 10m

Lisbon Humberto Delgado

Mon 10/27

4:55 pm-4:50 pm

1 stop27h 55m

$596

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Sun 6/8

1:15 am-8:15 am

1 stop26h 00m

Lisbon Humberto Delgado

Wed 6/25

8:50 am-9:00 pm

1 stop17h 10m

$596

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Mon 8/4

2:20 pm-9:20 am

2 stops14h 00m

Lisbon Humberto Delgado

Fri 9/5

11:25 am-6:07 pm

1 stop11h 42m

$600

New YorkLisbon

JFK - LIS

JFKLIS

New York John F Kennedy Intl

Wed 9/3

11:10 pm-9:20 pm

1 stop17h 10m

Lisbon Humberto Delgado

Thu 9/11

10:20 pm-10:10 pm

1 stop28h 50m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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.

Cheapflights Insights

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

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 $1,203). 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 22, 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 April 22, 2025.
Read through reviews of airlines operating flights from USA to Portugal, such as Aegean Airlines, Delta and Porter Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
736 reviews
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Delta
8.0
Very good
7,920 reviews
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Porter Airlines
8.0
Very good
284 reviews
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,331 reviews
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air Transat
7.8
Good
385 reviews
Aegean Airlines
8.1
Very good
736 reviews

Boarding

7.8

Crew

8.6

Entertainment

6.9

Overall

8.1

Comfort

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 21 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?

    $271 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Iberia, with prices starting from $288 and $292, 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 $1,203). 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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Alternative routes for USA to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
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Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Heathrow flights
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Boston to Heathrow flights
Miami to Madrid flights
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LaGuardia to Charles de Gaulle flights
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O'Hare Intl to Leonardo da Vinci/Fiumicino flights
San Francisco to Heathrow flights
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John F Kennedy Intl to Madrid flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Dulles Intl to Charles de Gaulle flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
Newark to Madrid flights
O'Hare Intl to Charles de Gaulle flights
John F Kennedy Intl to Dublin flights
Newark to Malpensa flights
O'Hare Intl to Athens flights
Boston to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Atlanta to Heathrow flights
John F Kennedy Intl to Amsterdam flights
LaGuardia to Gatwick flights
LaGuardia to Athens flights
Boston to Dublin flights
Los Angeles to Charles de Gaulle flights

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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$260Average$695FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$322Average$723FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$323Average$740FlexibilityNo cancel feeOn-time77%
PLAYCheapest$332Average$509FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$370Average$802FlexibilityNo cancel feeOn-time76%
SWISSCheapest$377Average$876FlexibilityNo cancel feeOn-time79%
VuelingCheapest$403Average$729FlexibilityNo cancel feeOn-time88%
Air EuropaCheapest$458Average$721FlexibilityNo cancel feeOn-time83%
IcelandairCheapest$464Average$654FlexibilityNo cancel feeOn-time76%
IberiaCheapest$471Average$868FlexibilityNo cancel feeOn-time77%

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