How popular is this USA to Portugal flight route?

The United States to Portugal flight path was viewed by 28 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?

$236 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 Azores Airlines and Icelandair, with prices starting from $265 and $303, respectively.

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

To save up to 19% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from USA to Portugal from $857 1-2 weeks out and tickets from $990 for flights departing within the next 72 hours.

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

Our data shows that January tends to be the cheapest month to fly to Portugal from USA. Users have commonly found prices around $802 for the month, but tickets can be as low as $427. Due to multiple factors, prepare for potentially higher prices in June.

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.

$523+ Flights from the United States to Portugal

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Cheap flight deals from USA to Portugal

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$548 (FlightHub)
One-way from	$236 (oojo)
Popular in	June
Cheapest in	January
Average price	$945
Good round-trip deal	$565 or less
Good one-way deal	$263 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 ($195 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Sun 10/269:30 pmIAD - LIS

1 stop14h 35mScandinavian Airlines

Mon 11/34:55 pmLIS - IAD

1 stop29h 20mScandinavian Airlines

Deal found 4/30

$504

Wed 10/810:20 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Wed 10/1512:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 5/1

$515

Sun 9/2111:00 pmBOS - LIS

1 stop13h 05mIberia

Sun 9/289:10 amLIS - BOS

1 stop17h 05mIberia

Deal found 4/29

$542

Fri 9/55:40 pmBOS - LIS

1 stop34h 20mScandinavian Airlines

Mon 11/34:55 pmLIS - BOS

1 stop27h 55mScandinavian Airlines

Deal found 4/29

$546

Wed 5/1411:35 pmBOS - LIS

1 stop16h 45mIcelandair

Sun 5/1810:25 pmLIS - BOS

1 stop25h 25mIcelandair

Deal found 4/30

$548

Tue 9/2311:00 pmBOS - LIS

1 stop16h 35mMultiple Airlines

Thu 10/29:10 amLIS - BOS

1 stop17h 05mMultiple Airlines

Deal found 4/29

$560

Thu 11/208:30 pmIAD - LIS

1 stop14h 35mMultiple Airlines

Wed 12/312:50 pmLIS - IAD

2 stops33h 25mMultiple Airlines

Deal found 4/29

$582

Thu 9/257:25 amBOS - LIS

1 stop10h 45mAmerican Airlines

Sun 10/512:30 pmLIS - BOS

1 stop12h 20mAmerican Airlines

Deal found 4/29

$583

Fri 11/76:10 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Sun 11/235:10 pmLIS - BOS

Nonstop7h 55mTAP AIR PORTUGAL

Deal found 4/29

$585

Thu 8/149:25 pmBOS - LIS

1 stop19h 10mAer Lingus

Wed 8/2710:15 pmLIS - BOS

1 stop21h 25mAer Lingus

Deal found 4/30

$588

Thu 11/69:35 pmBOS - LIS

Nonstop6h 25mDelta

Thu 11/1311:15 amLIS - BOS

Nonstop8h 05mDelta

Deal found 4/29

$589

Thu 11/205:40 pmEWR - LIS

1 stop24h 00mScandinavian Airlines

Mon 12/14:55 pmLIS - EWR

1 stop27h 55mScandinavian Airlines

Deal found 4/29

$595

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

Wed 5/1411:35 pmBOS - LIS

1 stop16h 45mIcelandair

Sun 5/1810:25 pmLIS - BOS

1 stop25h 25mIcelandair

Deal found 4/30

$548

Thu 5/84:15 pmBOS - LIS

2 stops23h 20mMultiple Airlines

Wed 5/149:10 pmLIS - BOS

2 stops21h 50mMultiple Airlines

Deal found 4/29

$556

Sun 5/47:15 pmBOS - LIS

1 stop20h 25mPLAY

Fri 5/99:20 pmLIS - BOS

1 stop25h 30mPLAY

Deal found 4/30

$564

Mon 5/510:50 pmBOS - LIS

1 stop13h 15mVueling

Wed 5/1410:05 pmLIS - BOS

1 stop28h 00mVueling

Deal found 4/29

$569

Mon 7/285:40 pmBOS - LIS

2 stops18h 25mScandinavian Airlines

Mon 8/188:15 pmLIS - BOS

1 stop24h 20mScandinavian Airlines

Deal found 4/30

$578

Wed 5/2810:50 pmBOS - LIS

1 stop16h 45mIberia

Wed 9/102:00 pmLIS - BOS

1 stop12h 15mIberia

Deal found 4/29

$590

Wed 5/149:50 pmEWR - LIS

1 stop11h 55mSWISS

Wed 5/2112:05 pmLIS - EWR

1 stop13h 05mSWISS

Deal found 4/30

$596

Wed 7/93:04 pmEWR - LIS

2 stops15h 01mAir Canada

Wed 9/1711:25 amLIS - EWR

1 stop13h 32mAir Canada

Deal found 4/30

$598

Wed 5/148:30 pmEWR - LIS

1 stop20h 20mUnited Airlines

Thu 5/2210:25 amLIS - EWR

Nonstop7h 35mUnited Airlines

Deal found 4/30

$613

Tue 5/1310:05 pmJFK - LIS

1 stop12h 10mAir Europa

Wed 5/218:05 pmLIS - JFK

1 stop26h 40mAir Europa

Deal found 4/30

$624

Wed 5/148:30 pmEWR - LIS

1 stop20h 20mLufthansa

Tue 5/2010:25 amLIS - EWR

Nonstop7h 45mLufthansa

Deal found 4/30

$632

Tue 7/2210:50 pmEWR - OPO

1 stop18h 55mTAP AIR PORTUGAL

Thu 10/96:05 pmOPO - EWR

1 stop31h 55mTAP AIR PORTUGAL

Deal found 4/30

$635

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

Thu 5/14:15 pmBOS - PDL

2 stops35h 15mMultiple Airlines

Thu 5/156:05 pmPDL - BOS

Nonstop5h 45mMultiple Airlines

Deal found 4/29

$621

Sun 5/47:15 pmBOS - LIS

1 stop20h 25mPLAY

Fri 5/99:20 pmLIS - BOS

1 stop25h 30mPLAY

Deal found 4/30

$564

Mon 5/510:50 pmBOS - LIS

1 stop13h 15mVueling

Wed 5/1410:05 pmLIS - BOS

1 stop28h 00mVueling

Deal found 4/29

$569

Mon 5/58:25 pmJFK - LIS

3 stops33h 35mMultiple Airlines

Mon 5/129:00 pmLIS - JFK

1 stop30h 30mMultiple Airlines

Deal found 4/28

$622

Mon 5/511:00 pmEWR - LIS

1 stop19h 05mMultiple Airlines

Thu 5/296:00 amLIS - EWR

1 stop20h 00mMultiple Airlines

Deal found 4/29

$625

Mon 5/53:30 pmLGA - LIS

2 stops22h 10mMultiple Airlines

Mon 5/1210:45 pmLIS - LGA

2 stops27h 45mMultiple Airlines

Deal found 4/28

$666

Tue 5/611:52 amSFO - LIS

1 stop13h 13mAmerican Airlines

Thu 5/157:20 amLIS - SFO

1 stop17h 55mAmerican Airlines

Deal found 4/29

$682

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

Wed 5/77:30 pmSFO - LIS

1 stop19h 50mMultiple Airlines

Wed 5/1411:25 amLIS - SFO

1 stop16h 45mMultiple Airlines

Deal found 4/30

$655

Wed 5/77:30 pmSFO - LIS

1 stop19h 50mSWISS

Fri 5/235:55 amLIS - SFO

1 stop18h 15mSWISS

Deal found 4/28

$678

Thu 5/84:15 pmBOS - LIS

2 stops23h 20mMultiple Airlines

Wed 5/149:10 pmLIS - BOS

2 stops21h 50mMultiple Airlines

Deal found 4/29

$556

Sat 5/1010:05 pmJFK - LIS

1 stop12h 10mAir Europa

Wed 5/218:05 pmLIS - JFK

1 stop26h 40mAir Europa

Deal found 4/28

$655

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

Sun 9/2110:20 pmBOS - PDL

1 stop12h 40mTAP AIR PORTUGAL

Deal found 4/30

$236

Mon 5/59:15 pmBOS - PDL

1 stop19h 45mMultiple Airlines

Deal found 4/30

$258

Tue 10/219:15 pmBOS - PDL

Nonstop5h 05mAzores Airlines

Deal found 4/30

$265

Mon 7/148:25 pmEWR - LIS

2 stops19h 20mMultiple Airlines

Deal found 4/30

$285

Tue 7/1512:15 amJFK - LIS

2 stops37h 35mMultiple Airlines

Deal found 4/30

$300

Sat 5/178:25 pmEWR - LIS

1 stop19h 55mIcelandair

Deal found 4/30

$303

Sat 5/1711:10 pmJFK - LIS

1 stop17h 10mIcelandair

Deal found 4/30

$303

Mon 5/128:50 pmBOS - LIS

3 stops43h 10mMultiple Airlines

Deal found 4/30

$307

Sun 7/2011:40 pmJFK - LIS

1 stop16h 00mIberia

Deal found 4/30

$307

Fri 7/1811:00 pmBOS - LIS

1 stop16h 35mIberia

Deal found 4/30

$308

Mon 5/128:55 pmJFK - LIS

1 stop12h 10mAzores Airlines

Deal found 4/30

$316

Mon 5/510:50 pmBOS - LIS

1 stop13h 15mVueling

Deal found 4/29

$317

Cheapflights Fare Finder

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

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 10/26

9:30 pm-4:05 pm

1 stop14h 35m

Lisbon Humberto Delgado

Mon 11/3

4:55 pm-5:15 pm

1 stop29h 20m

$504

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 10/8

10:20 pm-10:40 am

Nonstop7h 20m

Lisbon Humberto Delgado

Wed 10/15

12:00 pm-3:20 pm

Nonstop8h 20m

$515

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/14

11:35 pm-9:20 pm

1 stop16h 45m

Lisbon Humberto Delgado

Sun 5/18

10:25 pm-6:50 pm

1 stop25h 25m

$548

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/8

4:15 pm-8:35 pm

2 stops23h 20m

Lisbon Humberto Delgado

Wed 5/14

9:10 pm-2:00 pm

2 stops21h 50m

$556

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 5/4

7:15 pm-8:40 pm

1 stop20h 25m

Lisbon Humberto Delgado

Fri 5/9

9:20 pm-5:50 pm

1 stop25h 30m

$564

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 5/5

10:50 pm-5:05 pm

1 stop13h 15m

Lisbon Humberto Delgado

Wed 5/14

10:05 pm-9:05 pm

1 stop28h 00m

$569

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 7/28

5:40 pm-5:05 pm

2 stops18h 25m

Lisbon Humberto Delgado

Mon 8/18

8:15 pm-3:35 pm

1 stop24h 20m

$578

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/28

10:50 pm-8:35 pm

1 stop16h 45m

Lisbon Humberto Delgado

Wed 9/10

2:00 pm-9:15 pm

1 stop12h 15m

$590

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 10/1

9:05 pm-9:05 pm

1 stop19h 00m

Lisbon Humberto Delgado

Tue 10/7

6:40 pm-7:05 pm

1 stop29h 25m

$595

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Sat 8/16

6:50 pm-10:05 pm

1 stop22h 15m

Lisbon Humberto Delgado

Tue 9/2

9:05 pm-2:55 pm

1 stop22h 50m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results

...

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 $1,178). 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?

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

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

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

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

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

How popular is this USA to Portugal flight route?
The United States to Portugal flight path was viewed by 28 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?
$236 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 Azores Airlines and Icelandair, with prices starting from $265 and $303, 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 $1,178). 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

Top 10 airlines flying from USA to Portugal

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$259	Average$682	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$269	Average$707	FlexibilityNo cancel fee	On-time77%
Turkish Airlines	Cheapest$322	Average$727	FlexibilityNo cancel fee	On-time77%
PLAY	Cheapest$332	Average$387	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$370	Average$804	FlexibilityNo cancel fee	On-time76%
SWISS	Cheapest$377	Average$858	FlexibilityNo cancel fee	On-time79%
Vueling	Cheapest$403	Average$722	FlexibilityNo cancel fee	On-time88%
Air Europa	Cheapest$457	Average$720	FlexibilityNo cancel fee	On-time83%
Icelandair	Cheapest$464	Average$647	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$472	Average$861	FlexibilityNo cancel fee	On-time77%

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$236+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from USA to Portugal with Cheapflights

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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 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 Portugal

Cheapest flights from USA to PortugalExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

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

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.

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?

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 May 1, 2025.

Rainfall in Portugal by month

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

Temperature in Portugal by month

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

Reviews of airlines servicing Portugal

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.

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?

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

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

How can I find direct flights from USA to Portugal?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from USA to Portugal

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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 May 1, 2025.