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Find cheap American Airlines flights to Lisbon

RDU — LIS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find American Airlines flight deals to Lisbon

Cheapest American Airlines flights from USA to Lisbon
Explore the most affordable American Airlines flight options available from USA to Lisbon. Find the lowest fares with prices last updated on July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:07 pm
BOS
-
LIS
1 stop10h 58m
American Airlines
Mon 8/2411:05 am
LIS
-
BOS
1 stop10h 49m
American Airlines
Deal found 7/24$733
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:32 am
BOS
-
LIS
1 stop18h 33m
American Airlines
Mon 8/2411:05 am
LIS
-
BOS
1 stop14h 15m
American Airlines
Deal found 7/26$743
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:33 pm
EWR
-
LIS
2 stops14h 32m
American Airlines
Tue 9/158:25 am
LIS
-
EWR
1 stop19h 00m
American Airlines
Deal found 7/23$747

Flights to Lisbon with American Airlines at a glance

Find detailed information about American Airlines flights from USA to Lisbon. Explore the options provided by American Airlines to plan your journey from USA to Lisbon. Data last updated July 27, 2026.

Popular in

June

Cheapest in

January

Average price

$936

Round-trip from

$650

One-way from

$356
Highest demand for flights to Lisbon with American Airlines; 24% potential price increase.
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Best time to find cheap flights to Lisbon with American Airlines; 3% potential price drop.
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Average price for flights to Lisbon with American Airlines (round-trip).
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American Airlines
  • American Airlines
  • 1/13-1/18
  • 2 total stops
  • 31h 50m total
  • USA to Lisbon
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American Airlines
  • American Airlines
  • 12/1
  • Nonstop
  • 6h 40m total
  • USA to Lisbon
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Cheapflights Insights

Find cheap American Airlines flights to Lisbon

How long is the flight to Lisbon with American Airlines?

On average, American Airlines flights from the United States to Lisbon take 7 hours 5 minutes. Flights to Lisbon from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

American Airlines weekly flight availability to Lisbon

The most flights to Lisbon operated by American Airlines are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

When is the best time to book a flight to Lisbon with American Airlines?

The best time to book a flight to Lisbon with American Airlines is 89 days before departure. On average, fares are higher if you book 27 days before departure.

FAQs about flights to Lisbon with American Airlines

  • Which airport do American Airlines flights arrive at when travelling to Lisbon?

    American Airlines flights on this route tend to land at Lisbon Humberto Delgado Airport.

  • Is American Airlines the cheapest airline for a flight to Lisbon?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Lisbon tends to be with PLAY.

  • Are there alternative airlines other than American Airlines that fly to Lisbon?

    TAP AIR PORTUGAL, United Airlines and Delta all fly to Lisbon and offer an alternative to American Airlines.

  • How much is a flight to Lisbon with American Airlines?

    The average price for a return flight with American Airlines is $1,102; with a one-way flight around $565.

See more FAQs

Reviews of American Airlines

See what Cheapflights users have to say about their American Airlines experience.
American Airlines
7.1
Good
10,000 reviews
Overview

Entertainment

6.8

Boarding

7.5

Food

6.4

Comfort

7.2

Crew

7.9

Popular American Airlines flights

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