Find flight deals with United Airlines from € 426*

It's time to visit your favorite destinations again!

We know travel looks a little different these days but rest assured that we’re here for you every step of the way with more flexibility and peace of mind when you travel. Whether it’s the endless open spaces of California to the wide sandy beaches of Hawaii and The Caribbean, we cannot wait to welcome you back.

What to expect when you travel:
Throughout your journey, we’re putting safety and cleanliness at the forefront of your travel experience with the goal of delivering an industry-leading standard of cleanliness through our United CleanPlus℠ program. Click here to learn more.

U.S. entry requirements and international travel restrictions:
Remember, you may still be subject to local country restrictions so check our Destination Travel Guide for specific details.

Information about your upcoming trip:
If you’ve already booked your flight, you can find information specific to your upcoming trip in the Travel-Ready Center

Find United's best fares to popular destinations

Select travel class

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

United Airlines popular destinations from Portugal

Trending flights deals with United

Select travel class
Trending flights deals with United
From
To
Fare Type
Dates
Price
FromLisbon (LIS)ToNew York/Newark (EWR)Roundtrip
|
Economy
05/02/2025 - 09/02/2025

from

€ 463*

Viewed: 3 hours ago

FromPorto (OPO)ToNew York/Newark (EWR)Roundtrip
|
Economy
10/02/2025 - 17/02/2025

from

€ 455*

Viewed: 6 hours ago

FromLisbon (LIS)ToSao Paulo (GRU)Roundtrip
|
Economy
22/01/2025 - 05/02/2025

from

€ 898*

Viewed: 15 hours ago

FromPorto (OPO)ToSan Francisco (SFO)Roundtrip
|
Economy
09/02/2025 - 16/02/2025

from

€ 630*

Viewed: 8 hours ago

FromFaro (FAO)ToNew York/Newark (EWR)Roundtrip
|
Economy
05/02/2025 - 19/02/2025

from

€ 454*

Viewed: 4 hours ago

FromLisbon (LIS)ToMiami (MIA)Roundtrip
|
Economy
13/02/2025 - 17/02/2025

from

€ 440*

Viewed: 11 hours ago

FromLisbon (LIS)ToOrlando (MCO)Roundtrip
|
Economy
23/01/2025 - 26/01/2025

from

€ 567*

Viewed: 1 minutes ago

FromLisbon (LIS)ToSan Diego (SAN)Roundtrip
|
Economy
03/02/2025 - 10/02/2025

from

€ 752*

Viewed: 15 hours ago

FromLisbon (LIS)ToAtlanta (ATL)Roundtrip
|
Economy
08/02/2025 - 22/02/2025

from

€ 670*

Viewed: 8 hours ago

FromLisbon (LIS)ToMexico City (MEX)Roundtrip
|
Economy
15/01/2025 - 29/01/2025

from

€ 713*

Viewed: 12 hours ago

FromPorto (OPO)ToChicago (ORD)Roundtrip
|
Economy
25/12/2024 - 08/01/2025

from

€ 659*

Viewed: 8 hours ago

FromLisbon (LIS)ToSacramento (SMF)Roundtrip
|
Economy
25/12/2024 - 08/01/2025

from

€ 842*

Viewed: 12 hours ago

FromLisbon (LIS)ToSaint Louis (STL)Roundtrip
|
Economy
12/02/2025 - 19/02/2025

from

€ 720*

Viewed: 13 hours ago

FromLisbon (LIS)ToNashville (BNA)Roundtrip
|
Economy
23/01/2025 - 30/01/2025

from

€ 694*

Viewed: 11 hours ago

FromLisbon (LIS)ToTampa (TPA)Roundtrip
|
Economy
27/01/2025 - 10/02/2025

from

€ 640*

Viewed: 12 hours ago

FromLisbon (LIS)ToMinneapolis (MSP)Roundtrip
|
Economy
19/01/2025 - 26/01/2025

from

€ 720*

Viewed: 12 hours ago

FromLisbon (LIS)ToPhiladelphia (PHL)Roundtrip
|
Economy
11/01/2025 - 18/01/2025

from

€ 654*

Viewed: 11 hours ago

FromLisbon (LIS)ToNew York/Newark (LGA)Roundtrip
|
Economy
28/01/2025 - 11/02/2025

from

€ 447*

Viewed: 12 hours ago

FromLisbon (LIS)ToHarlingen (HRL)Roundtrip
|
Economy
07/02/2025 - 11/02/2025

from

€ 738*

Viewed: 13 hours ago

FromLisbon (LIS)ToSan Jose (SJC)Roundtrip
|
Economy
08/02/2025 - 22/02/2025

from

€ 623*

Viewed: 12 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.