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Cheap flights from the United States to Portugal from $169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Portugal departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to Portugal

Recent round-trip flight deals from the United States to Portugal

SWISS Logo
5:40 pm - 12:45 pmMIA-LIS
15h 05m2 stops
SWISS Logo
12:35 pm - 5:30 pmLIS-MIA
33h 55m1 stop
$175SWISS
Find Deal
Tue, Oct 28 - Thu, Nov 6
SWISS Logo
8:30 pm - 2:45 pmJFK-LIS
13h 15m1 stop
SWISS Logo
5:55 am - 4:35 pmLIS-JFK
15h 40m1 stop
$246SWISS
Find Deal
Mon, Sep 8 - Wed, Sep 17
British Airways Logo
11:45 am - 8:55 amMIA-LIS
17h 10m1 stop
British Airways Logo
8:45 pm - 1:55 pmLIS-MIA
22h 10m1 stop
$368British Airways
Find Deal
Wed, Oct 29 - Wed, Nov 5
British Airways Logo
2:20 pm - 9:05 amMIA-LIS
14h 45m1 stop
British Airways Logo
8:45 pm - 1:55 pmLIS-MIA
22h 10m1 stop
$374British Airways
Find Deal
Tue, Oct 28 - Thu, Nov 6
Delta Logo
12:00 pm - 8:00 amMIA-LIS
15h 00m1 stop
Delta Logo
11:15 am - 11:31 pmLIS-MIA
17h 16m1 stop
$376Delta
Find Deal
Mon, Nov 3 - Wed, Nov 26
Delta Logo
12:00 pm - 8:00 amMIA-LIS
16h 00m1 stop
Delta Logo
11:15 am - 11:31 pmLIS-MIA
17h 16m1 stop
$385Delta
Find Deal
Wed, Oct 29 - Wed, Nov 12
TAP AIR PORTUGAL Logo
12:55 am - 11:40 amEWR-LIS
6h 45mnonstop
TAP AIR PORTUGAL Logo
6:45 pm - 10:10 pmLIS-EWR
8h 25mnonstop
$405TAP AIR PORTUGAL
Find Deal
Mon, Oct 27 - Wed, Nov 19
TAP AIR PORTUGAL Logo
10:00 pm - 9:55 amJFK-LIS
6h 55mnonstop
TAP AIR PORTUGAL Logo
4:40 pm - 8:05 pmLIS-JFK
8h 25mnonstop
$405TAP AIR PORTUGAL
Find Deal
Wed, Nov 26 - Tue, Dec 2
United Airlines Logo
6:00 am - 10:15 amLGA-LIS
23h 15m1 stop
United Airlines Logo
11:20 am - 2:42 pmLIS-LGA
32h 22m1 stop
$426United Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
United Airlines Logo
9:34 pm - 10:15 amEWR-LIS
31h 41m1 stop
United Airlines Logo
11:20 am - 2:47 pmLIS-EWR
32h 27m1 stop
$426United Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2

American Airlines flights from United States to Portugal

Our best American Airlines deals on United States to Portugal flight tickets
American Airlines
Oct 6
BOS7:25 amBoston Logan Intl
10h 40m
1 stop
LIS11:05 pmLisbon Humberto Delgado
Oct 7
LIS12:30 pmLisbon Humberto Delgado
12h 20m
1 stop
BOS7:50 pmBoston Logan Intl
$385
Find similar
American Airlines
Oct 27
MIA3:37 pmMiami
13h 28m
2 stops
LIS9:05 amLisbon Humberto Delgado
Nov 6
LIS10:55 amLisbon Humberto Delgado
15h 50m
2 stops
MIA9:45 pmMiami
$390
Find similar
American Airlines
Aug 13
EWR12:26 pmNewark
15h 39m
2 stops
LIS9:05 amLisbon Humberto Delgado
Aug 26
LIS11:05 amLisbon Humberto Delgado
16h 30m
2 stops
EWR10:35 pmNewark
$574
Find similar

Air Europa flights from United States to Portugal

Our best Air Europa deals on United States to Portugal flight tickets
Air Europa
Sep 3
JFK1:15 amNew York John F Kennedy Intl
13h 00m
1 stop
LIS7:15 pmLisbon Humberto Delgado
Sep 16
LIS8:05 pmLisbon Humberto Delgado
31h 55m
1 stop
JFK11:00 pmNew York John F Kennedy Intl
$395
Find similar
Air Europa
Sep 7
JFK10:05 pmNew York John F Kennedy Intl
16h 10m
1 stop
LIS7:15 pmLisbon Humberto Delgado
Sep 22
LIS4:05 pmLisbon Humberto Delgado
11h 55m
1 stop
JFK11:00 pmNew York John F Kennedy Intl
$396
Find similar
Air Europa
Sep 12
JFK10:05 pmNew York John F Kennedy Intl
16h 10m
1 stop
LIS7:15 pmLisbon Humberto Delgado
Sep 17
LIS4:05 pmLisbon Humberto Delgado
11h 55m
1 stop
JFK11:00 pmNew York John F Kennedy Intl
$398
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
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

MiamiLisbon

MIA - LIS

MIALIS

Miami

Tue 10/28

5:40 pm-12:45 pm

2 stops15h 05m

Lisbon Humberto Delgado

Thu 11/6

12:35 pm-5:30 pm

1 stop33h 55m

$175

New YorkLisbon

JFK - LIS

JFKLIS

New York John F Kennedy Intl

Mon 9/8

8:30 pm-2:45 pm

1 stop13h 15m

Lisbon Humberto Delgado

Wed 9/17

5:55 am-4:35 pm

1 stop15h 40m

$246

MiamiLisbon

MIA - LIS

MIALIS

Miami

Wed 10/29

11:45 am-8:55 am

1 stop17h 10m

Lisbon Humberto Delgado

Wed 11/5

8:45 pm-1:55 pm

1 stop22h 10m

$368

MiamiLisbon

MIA - LIS

MIALIS

Miami

Tue 10/28

2:20 pm-9:05 am

1 stop14h 45m

Lisbon Humberto Delgado

Thu 11/6

8:45 pm-1:55 pm

1 stop22h 10m

$374

MiamiLisbon

MIA - LIS

MIALIS

Miami

Mon 11/3

12:00 pm-8:00 am

1 stop15h 00m

Lisbon Humberto Delgado

Wed 11/26

11:15 am-11:31 pm

1 stop17h 16m

$376

MiamiLisbon

MIA - LIS

MIALIS

Miami

Wed 10/29

12:00 pm-8:00 am

1 stop16h 00m

Lisbon Humberto Delgado

Wed 11/12

11:15 am-11:31 pm

1 stop17h 16m

$385

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Mon 10/27

12:55 am-11:40 am

Nonstop6h 45m

Lisbon Humberto Delgado

Wed 11/19

6:45 pm-10:10 pm

Nonstop8h 25m

$405

New YorkLisbon

JFK - LIS

JFKLIS

New York John F Kennedy Intl

Wed 11/26

10:00 pm-9:55 am

Nonstop6h 55m

Lisbon Humberto Delgado

Tue 12/2

4:40 pm-8:05 pm

Nonstop8h 25m

$405

New YorkLisbon

LGA - LIS

LGALIS

New York LaGuardia

Tue 11/25

6:00 am-10:15 am

1 stop23h 15m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-2:42 pm

1 stop32h 22m

$426

NewarkLisbon

EWR - LIS

EWRLIS

Newark

Wed 11/26

9:34 pm-10:15 am

1 stop31h 41m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-2:47 pm

1 stop32h 27m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from United States to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from United States is in January. Flight prices, which tend to average around $584, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from United States during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $617.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Thursday is the cheapest day to fly to Portugal from United States. The lowest ticket price found for a Thursday departure recently was $578. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $816.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from United States to Portugal during this time can be as low as $773. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,103 per ticket.

What is the cheapest United States to Portugal flight route?

Fly from New York John F Kennedy Intl to Lisbon Humberto Delgado for the best United States - Portugal flight prices

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

You are more likely to see cheaper flights to Portugal from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $796 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from United States for as low as $740 on momondo.

What cabin class options are available on United States to Portugal flights?

There are 4 cabin classes available to choose from on United States to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Portugal flights?

You could potentially save up to 7% on your flight if you consider stops on a United States to Portugal flight.

Cheap United States to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Portugal

Best Price Found

$169

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Portugal

2 airports
The best one-way flight to Portugal from United States in the past 72 hours is $169. The best round-trip flight deal from United States to Portugal found on momondo in the last 72 hours is $175.
The fastest flight from United States to Portugal takes 6h 30m
Direct flights go from United States to Portugal every day.
There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)
Search flight deals

  • When did momondo last update prices for flights from United States to Portugal?

    Prices for flights from United States to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Portugal?

  • How old do you have to be to fly from United States to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United States to Portugal?

Best airlines flying from United States to Portugal

Compare and see reviews for airlines that fly from United States to Portugal with momondo
Airline
Rating
Free Cancellation
Price
VuelingPriceFrom $165Free CancellationRating
7.1
1,177 reviews
Search Vueling flights
LEVELPriceFrom $218Free CancellationRating
4.0
4 reviews
Search LEVEL flights
Scandinavian AirlinesPriceFrom $269Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom $325Free CancellationRating
7.0
2,862 reviews
Search Iberia flights
PLAYPriceFrom $331Free CancellationRating
7.0
102 reviews
Search PLAY flights
SWISSPriceFrom $338Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
IcelandairPriceFrom $339Free CancellationRating
7.0
520 reviews
Search Icelandair flights
FinnairPriceFrom $370Free CancellationRating
7.6
1,317 reviews
Search Finnair flights
Air EuropaPriceFrom $454Free CancellationRating
7.0
543 reviews
Search Air Europa flights
American AirlinesPriceFrom $472Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from United States.

Can I find flights from United States to Portugal with flexible booking policies on momondo?

Yes. All flights to Portugal from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Portugal

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