Discover great deals on flights to Lisbon! Often overlooked, Lisbon is a fantastic travel destination. Prices may vary slightly based on your routing.
United Airlines, along with its partners Air Canada, Austrian, Lufthansa, and Swiss Air, offers a regular economy fare of $691. This fare includes one checked bag and a standard carry-on.
Alternatively, there’s a Basic Economy / Economy Light fare available for $491. However, please note these restrictions for Basic Economy fares:
- NO advance seat assignments allowed.
- NO checked baggage included – fees are $75 for the first bag and $100 for the second each way.
- NO changes permitted.
- NO cancellations allowed – canceling post the 24-hour risk-free period renders the ticket non-refundable.
- Many online travel agencies may mislabel these fares as BASIC ECONOMY.
Join our Real Time Newsletter to receive economy class deals for your region about an hour before they are posted on our website and social media — all for just a nickel a day.
Looking for Business Class, First Class, or Premium Economy offers? Subscribe to our Premium Newsletter for about a quarter a day.
Marquess of Pombal Square, Lisbon, Portugal – Photo by দেবর্ষি রায় via Flickr, used under Creative Commons License (By 2.0)
Sample Travel Dates:
- April 14th – 21st, 2026
- This is just ONE SAMPLE travel date; for more options, please refer to the “Fare Availability” and “How to Search for Availability” sections below.
Fare Availability:
- Available for travel from mid-January 2026 to early March 2026, and mid-April 2026 for Sunday through Wednesday departures, returning Tuesday through Friday. A Sunday overnight stay is required. Limited availability, and bookings must be made at least 7 days in advance.
- Please note that the fare mentioned is valid at the time of posting. If this post is older than two days, the fare may no longer be available.
How to Check Availability:
- This section is for searching availability only. To purchase tickets, refer to the “How to Buy” section below.
- Use Matrix Airfare Search by ITA Software with the following search parameters:
- Origin: SFO
- Advanced Routing Code:
- Routing Codes: ua ua
- Extension Code: maxconnect 360
- This specifies to search for the Basic Economy fare through Matrix Airfare Search by ITA Software. Use the specified dates on United to see the option to upgrade to regular economy.
- Destination: LIS
- Return Advanced Routing Code:
- Routing Codes: ua ua
- Extension Code: maxconnect 360
- (Click on the Advanced Codes link to enable routing code input.)
- Select “See calendar of lowest fares.”
- For duration, select “3-10” (Feel free to use any 7-day range, such as 3-10, 7-14, etc.)
- Beginner’s Guide on Using Matrix by ITA Software
- How to Understand Airfare Rules to Your Advantage
- Ensure the Matrix Airfare Search by ITA Software page reflects all input values correctly.
Routing:
- SFO – MUC (Munich) – LIS (Lisbon) – FRA (Frankfurt) – SFO
Mileage:
- Miles Flown: 13,939 miles or approximately 3.5 cents per mile (Basic Economy) / 4.9 cents per mile (Regular Economy)
- Redeemable Miles: 2,665 miles
How to Purchase:
- Book tickets directly on United using the dates from Matrix Airfare Search by ITA Software.
Accommodations
- TripAdvisor – A top meta-search engine for hotels. Find the best prices from over 200 sites.
Car Rentals
- Rental Cars – A leading agency offering major brands like Hertz, Avis, Budget, Dollar, Enterprise, and more.
Activities and Tours
- Viator – The largest marketplace for destination activities and tours.
Background Information:
- Visa: No visa required for US Citizens. Other nationals should check the TIMATIC Visa Database.
- Currency: Euro (EUR). $1 USD = 0.85 EUR.
Tips for Saving When Using Credit Cards Abroad:
Stay updated on the latest cheap flight deals from San Francisco/Bay Area:
* The Flight Deal may earn a commission if you book through the accommodation, car rental, or travel insurance links provided. Thank you for your support!
=====
To ensure you receive our latest offerings, LIKE our The Flight Deal Facebook Page, follow us on Twitter @TheFlightDeal, Threads @TheFlightDeal, or subscribe to our RSS Feed or Email Newsletter (once daily).
The Flight Deal does not sell travel products or services directly. We provide updated information about third-party offers and link to them. Please check the providers’ sites for the most current information and terms.
Stay Updated on the Latest Deals
Sign up for The Flight Deal Daily DealsLetter to receive the freshest flight deals available.
