How popular is this USA to Portugal flight route?

The United States to Portugal flight path was viewed by 51 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 9h 23m. The distance from USA to Portugal is about 3374 mi. This flight may include one or multiple stops.

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

$203 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $234 and $247, respectively.

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.

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).

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.

$194+ Cheap Flights from the United States to Portugal

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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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 October 29, 2025.

Sun 11/1610:00 pmEWR - LIS

1 stop11h 35mMultiple Airlines

Sun 11/235:00 amLIS - EWR

1 stop16h 00mMultiple Airlines

Deal found 10/28

$424

Tue 11/183:40 pmEWR - LIS

1 stop11h 20mMultiple Airlines

Mon 11/2411:15 amLIS - EWR

1 stop12h 50mMultiple Airlines

Deal found 10/28

$425

Tue 11/113:40 pmEWR - LIS

1 stop11h 20mDelta

Mon 11/175:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/28

$426

Tue 11/186:00 amEWR - LIS

2 stops22h 20mUnited Airlines

Sun 11/235:00 amLIS - EWR

1 stop16h 00mUnited Airlines

Deal found 10/28

$427

Wed 11/2610:00 pmEWR - LIS

1 stop11h 35mSWISS

Wed 12/312:15 pmLIS - EWR

1 stop13h 15mSWISS

Deal found 10/29

$428

Tue 11/116:00 amEWR - LIS

2 stops21h 00mDelta

Tue 11/1811:15 amLIS - EWR

2 stops17h 02mDelta

Deal found 10/28

$429

Wed 11/129:34 pmEWR - LIS

2 stops30h 46mUnited Airlines

Tue 11/1811:20 amLIS - EWR

2 stops28h 07mUnited Airlines

Deal found 10/27

$430

Mon 12/2912:15 amEWR - LIS

1 stop11h 45mTAP AIR PORTUGAL

Mon 1/196:00 pmLIS - EWR

1 stop33h 05mTAP AIR PORTUGAL

Deal found 10/27

$432

Tue 11/115:15 pmEWR - LIS

1 stop15h 05mUnited Airlines

Wed 11/1910:15 amLIS - EWR

Nonstop8h 10mUnited Airlines

Deal found 10/27

$433

Wed 11/269:34 pmEWR - LIS

1 stop31h 41mUnited Airlines

Sun 11/3010:50 amLIS - EWR

1 stop26h 37mUnited Airlines

Deal found 10/27

$434

Mon 11/107:45 pmEWR - LIS

1 stop31h 15mDelta

Thu 11/2010:40 amLIS - EWR

2 stops27h 10mDelta

Deal found 10/27

$435

Mon 11/175:30 pmJFK - LIS

1 stop14h 50mLufthansa

Tue 12/166:10 amLIS - JFK

1 stop14h 30mLufthansa

Deal found 10/28

$437

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 October 29, 2025.

Sat 11/153:40 pmEWR - LIS

1 stop11h 20mMultiple Airlines

Sat 11/225:30 amLIS - EWR

1 stop14h 25mMultiple Airlines

Deal found 10/27

$426

Wed 12/107:52 pmEWR - LIS

1 stop9h 23mUnited Airlines

Mon 12/226:10 amLIS - EWR

2 stops30h 08mUnited Airlines

Deal found 10/27

$429

Fri 12/56:00 amEWR - LIS

2 stops21h 00mVirgin Atlantic

Wed 12/1011:15 amLIS - EWR

1 stop12h 50mVirgin Atlantic

Deal found 10/28

$429

Fri 11/149:29 amEWR - LIS

2 stops17h 31mDelta

Fri 11/215:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/27

$431

Tue 1/138:40 pmMIA - LIS

1 stop14h 25mScandinavian Airlines

Sun 1/254:55 pmLIS - MIA

1 stop30h 40mScandinavian Airlines

Deal found 10/27

$479

Mon 12/81:01 pmORD - LIS

2 stops12h 59mKLM

Tue 12/169:30 amLIS - ORD

2 stops17h 05mKLM

Deal found 10/27

$501

Sat 11/153:55 pmJFK - LIS

2 stops15h 55mBrussels Airlines

Sun 11/231:40 pmLIS - JFK

1 stop28h 40mBrussels Airlines

Deal found 10/27

$505

Mon 4/610:50 pmBOS - LIS

1 stop17h 40mLEVEL

Wed 5/65:45 pmLIS - BOS

1 stop32h 20mLEVEL

Deal found 10/28

$532

Fri 11/217:35 pmJFK - LIS

1 stop16h 35mSWISS

Tue 11/2512:35 pmLIS - JFK

1 stop29h 30mSWISS

Deal found 10/28

$547

Thu 3/195:45 pmIAD - LIS

2 stops17h 30mITA Airways

Mon 3/2311:35 amLIS - IAD

2 stops32h 05mITA Airways

Deal found 10/29

$649

Wed 12/106:55 pmBOS - LIS

1 stop12h 15mBritish Airways

Wed 12/1712:55 pmLIS - BOS

1 stop11h 50mBritish Airways

Deal found 10/27

$672

Wed 4/19:50 pmBOS - LIS

1 stop37h 00mTurkish Airlines

Mon 4/610:50 amLIS - BOS

1 stop38h 05mTurkish Airlines

Deal found 10/27

$682

Tue 1/1312:55 pmDCA - LIS

2 stops15h 25mAir Canada

Tue 2/35:00 amLIS - DCA

2 stops19h 45mAir Canada

Deal found 10/28

$783

Thu 11/136:00 amEWR - LIS

2 stops22h 20mUnited Airlines

Mon 11/176:10 amLIS - EWR

2 stops19h 20mUnited Airlines

Deal found 10/29

$429

Wed 11/127:45 pmEWR - LIS

1 stop31h 15mDelta

Wed 11/1911:15 amLIS - EWR

2 stops26h 33mDelta

Deal found 10/27

$435

Wed 11/269:34 pmEWR - LIS

1 stop31h 41mUnited Airlines

Wed 12/311:55 amLIS - EWR

1 stop17h 02mUnited Airlines

Deal found 10/29

$430

Wed 1/75:05 pmEWR - LIS

1 stop13h 15mDelta

Tue 1/205:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/27

$440

Wed 11/267:00 amMIA - LIS

2 stops20h 55mMultiple Airlines

Wed 12/35:00 amLIS - MIA

1 stop14h 40mMultiple Airlines

Deal found 10/28

$485

Tue 1/208:15 pmJFK - LIS

Nonstop6h 45mVirgin Atlantic

Fri 2/610:00 amLIS - JFK

Nonstop8h 10mVirgin Atlantic

Deal found 10/28

$490

Thu 11/133:55 pmJFK - LIS

2 stops15h 55mBrussels Airlines

Wed 11/197:25 pmLIS - JFK

1 stop22h 55mBrussels Airlines

Deal found 10/27

$505

Mon 1/59:44 pmEWR - LIS

2 stops30h 36mUnited Airlines

Mon 1/1911:20 amLIS - EWR

1 stop14h 14mUnited Airlines

Deal found 10/27

$432

Wed 1/75:05 pmEWR - LIS

1 stop19h 25mDelta

Sat 1/175:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/27

$440

Thu 1/81:50 pmBOS - LIS

2 stops21h 00mScandinavian Airlines

Mon 1/196:10 pmLIS - BOS

2 stops32h 43mScandinavian Airlines

Deal found 10/28

$536

Fri 1/168:35 pmBWI - LIS

1 stop32h 20mFinnair

Wed 2/183:55 pmLIS - BWI

1 stop31h 50mFinnair

Deal found 10/27

$1,086

Wed 11/1210:40 pmMIA - LIS

1 stop13h 50mMultiple Airlines

Wed 11/195:00 amLIS - MIA

2 stops17h 18mMultiple Airlines

Deal found 10/29

$496

Mon 11/245:30 pmJFK - LIS

1 stop14h 50mUnited Airlines

Tue 12/26:10 amLIS - JFK

2 stops21h 29mUnited Airlines

Deal found 10/28

$443

Wed 11/123:40 pmEWR - LIS

2 stops18h 30mDelta

Mon 11/175:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/27

$445

Wed 1/1411:43 amMIA - LIS

2 stops28h 52mMultiple Airlines

Mon 1/266:10 pmLIS - MIA

2 stops31h 44mMultiple Airlines

Deal found 10/28

$498

Mon 1/55:35 pmJFK - LIS

2 stops22h 55mScandinavian Airlines

Mon 1/196:10 pmLIS - JFK

1 stop26h 35mScandinavian Airlines

Deal found 10/28

$591

Mon 11/103:40 pmEWR - LIS

2 stops14h 40mDelta

Mon 11/175:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/27

$445

Last-minute flights from USA to Portugal
Discover last-minute flight deals from USA to Portugal. Data last updated October 29, 2025 and is based on user searches.

Mon 11/107:45 pmEWR - LIS

1 stop31h 15mDelta

Thu 11/2010:40 amLIS - EWR

2 stops27h 10mDelta

Deal found 10/27

$435

Tue 11/113:40 pmEWR - LIS

1 stop11h 20mMultiple Airlines

Sat 11/225:30 amLIS - EWR

1 stop14h 25mMultiple Airlines

Deal found 10/28

$426

Tue 11/116:00 amEWR - LIS

2 stops21h 00mDelta

Tue 11/1811:15 amLIS - EWR

2 stops17h 02mDelta

Deal found 10/28

$429

Tue 11/116:00 amEWR - LIS

2 stops21h 00mDelta

Mon 11/175:30 amLIS - EWR

1 stop14h 25mDelta

Deal found 10/28

$431

Tue 11/115:15 pmEWR - LIS

1 stop15h 05mUnited Airlines

Wed 11/1910:15 amLIS - EWR

Nonstop8h 10mUnited Airlines

Deal found 10/27

$433

Wed 11/123:03 pmEWR - LIS

2 stops37h 17mUnited Airlines

Wed 11/196:10 amLIS - EWR

1 stop17h 55mUnited Airlines

Deal found 10/27

$430

Sun 11/1610:00 pmEWR - LIS

1 stop11h 35mMultiple Airlines

Sun 11/235:00 amLIS - EWR

1 stop16h 00mMultiple Airlines

Deal found 10/28

$424

Tue 11/183:40 pmEWR - LIS

1 stop11h 20mDelta

Mon 11/2411:15 amLIS - EWR

1 stop12h 50mDelta

Deal found 10/28

$425

Tue 11/188:00 amEWR - LIS

2 stops20h 20mUnited Airlines

Tue 11/255:00 amLIS - EWR

1 stop14h 00mUnited Airlines

Deal found 10/28

$427

Sat 11/223:40 pmEWR - LIS

2 stops18h 25mScandinavian Airlines

Wed 11/264:55 pmLIS - EWR

2 stops25h 30mScandinavian Airlines

Deal found 10/28

$432

Wed 11/2610:00 pmEWR - LIS

1 stop11h 35mSWISS

Wed 12/312:15 pmLIS - EWR

1 stop13h 15mSWISS

Deal found 10/29

$428

Wed 11/269:34 pmEWR - LIS

1 stop31h 41mUnited Airlines

Sun 11/3010:50 amLIS - EWR

2 stops37h 48mUnited Airlines

Deal found 10/27

$434

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 October 29, 2025.

Mon 1/266:05 pmJFK - LIS

2 stops20h 35mMultiple Airlines

Deal found 10/28

$194

Mon 11/246:05 pmJFK - LIS

1 stop14h 15mMultiple Airlines

Deal found 10/28

$196

Mon 1/126:05 pmJFK - LIS

1 stop23h 45mMultiple Airlines

Deal found 10/29

$200

Mon 11/106:05 pmJFK - LIS

1 stop23h 45mMultiple Airlines

Deal found 10/28

$202

Mon 1/2611:45 pmJFK - LIS

1 stop32h 35mLEVEL

Deal found 10/28

$203

Mon 12/112:30 amJFK - LIS

1 stop33h 45mMultiple Airlines

Deal found 10/28

$205

Tue 1/277:05 pmORD - LIS

2 stops41h 50mMultiple Airlines

Deal found 10/27

$208

Mon 11/176:40 amORD - LIS

2 stops31h 55mMultiple Airlines

Deal found 10/28

$218

Mon 12/15:40 pmEWR - LIS

Nonstop6h 45mTAP AIR PORTUGAL

Deal found 10/27

$219

Wed 12/310:00 pmJFK - LIS

Nonstop6h 55mTAP AIR PORTUGAL

Deal found 10/27

$219

Mon 11/1712:30 amJFK - LIS

1 stop26h 25mMultiple Airlines

Deal found 10/28

$220

Tue 11/1811:55 pmEWR - LIS

Nonstop6h 45mTAP AIR PORTUGAL

Deal found 10/28

$221

Cheap flight deals from USA to Portugal

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Round-trip from	$423 (oojo)
One-way from	$194 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$647
Good round-trip deal	$388 or less
Good one-way deal	$180 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. 18% potential increase in price ($169 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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

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

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Sat 11/15

3:40 pm-8:00 am

1 stop11h 20m

Lisbon Humberto Delgado

Sat 11/22

5:30 am-2:55 pm

1 stop14h 25m

$426

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 12/10

7:52 pm-10:15 am

1 stop9h 23m

Lisbon Humberto Delgado

Mon 12/22

6:10 am-7:18 am

2 stops30h 08m

$429

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Fri 12/5

6:00 am-8:00 am

2 stops21h 00m

Lisbon Humberto Delgado

Wed 12/10

11:15 am-7:05 pm

1 stop12h 50m

$429

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Thu 11/13

6:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Mon 11/17

6:10 am-8:30 pm

2 stops19h 20m

$429

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 11/26

9:34 pm-10:15 am

1 stop31h 41m

Lisbon Humberto Delgado

Wed 12/3

11:55 am-11:57 pm

1 stop17h 02m

$430

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Fri 11/14

9:29 am-8:00 am

2 stops17h 31m

Lisbon Humberto Delgado

Fri 11/21

5:30 am-2:55 pm

1 stop14h 25m

$431

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Mon 1/5

9:44 pm-9:20 am

2 stops30h 36m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-8:34 pm

1 stop14h 14m

$432

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 11/12

7:45 pm-8:00 am

1 stop31h 15m

Lisbon Humberto Delgado

Wed 11/19

11:15 am-8:48 am

2 stops26h 33m

$435

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 1/7

5:05 pm-11:20 am

1 stop13h 15m

Lisbon Humberto Delgado

Tue 1/20

5:30 am-2:55 pm

1 stop14h 25m

$440

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 1/7

5:05 pm-5:30 pm

1 stop19h 25m

Lisbon Humberto Delgado

Sat 1/17

5:30 am-2:55 pm

1 stop14h 25m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 $302). Flying from USA to Portugal in June is currently the most expensive (average of $434). 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?

One of the essential ways to save on airfare from USA to Portugal is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

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

Travelers seeking maximum savings on their USA to Portugal flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portugal

Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,992 reviews

Delta

7.9

Good

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,999 reviews

Delta

7.9

Good

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,032 reviews

Delta

7.9

Good

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

TAP AIR PORTUGAL

7.1

Good

2,037 reviews

Delta

7.9

Good

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

British Airways

6.7

Okay

7,485 reviews

Delta

7.9

Good

7,992 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

How popular is this USA to Portugal flight route?
The United States to Portugal flight path was viewed by 51 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 9h 23m. The distance from USA to Portugal is about 3374 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from USA to Portugal one-way?
$203 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $234 and $247, 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 $302). Flying from USA to Portugal in June is currently the most expensive (average of $434). 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
Vueling	Cheapest$165	Average$737	FlexibilityNo cancel fee	On-time88%
LEVEL	Cheapest$228	Average$622	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$269	Average$622	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$287	Average$750	FlexibilityNo cancel fee	On-time79%
PLAY	Cheapest$333	Average$380	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$339	Average$539	FlexibilityNo cancel fee	On-time76%
Finnair	Cheapest$370	Average$631	FlexibilityNo cancel fee	On-time76%
Air Europa	Cheapest$395	Average$644	FlexibilityNo cancel fee	On-time83%
LEVEL	Cheapest$405	Average$405	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$413	Average$807	FlexibilityNo cancel fee	On-timeN/A

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$194+ 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 1/26. 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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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 October 29, 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 October 29, 2025.

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 October 29, 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

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 October 29, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from USA to Portugal. Price data was last updated on October 27, 2024.

Reviews of airlines servicing Portugal

Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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.

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?

How long is the flight from USA to Portugal?

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?

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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 October 29, 2025.