Flights from San Francisco to Lisbon
EuropeYear-round

Cheap Flights from San Francisco to Lisbon

Track economy fares on the SFOLIS route and get alerts when prices drop.

From
San Francisco
SFO
To
Lisbon
LIS

Route Intelligence: San FranciscoLisbon

Flight Duration

14 hr 30 min (1 Stop typical; occasional charters may vary)

Price Guidance

A good deal is under $600 roundtrip. Standard fare is $900-$1,200+.

Peak Season

June to August

Top Airlines

TAP Air Portugal, United Airlines, Iberia

Booking Tip

Book 3-5 months in advance for summer travel. TAP Air Portugal often offers the most competitive fares with a convenient Lisbon hub connection through European cities.

Track San FranciscoLisbon Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

Start Tracking — Free 7-Day Trial
Premium Cabin

Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

Explore BusinessClassSignal.com →

Other Routes to Lisbon

More Destinations in Europe

Route Briefing: San Francisco to Lisbon

There's something quietly thrilling about boarding a westward-facing city and waking up somewhere ancient, sun-drenched, and completely unhurried. The San Francisco to Lisbon route is one of those transatlantic journeys that genuinely rewards the effort — and at under $600 roundtrip when you catch a good deal, it's one of Europe's better-value long-hauls from the West Coast.

Expect around 14 and a half hours in the air with a typical stopover, usually routing through a European hub. TAP Air Portugal is worth checking first — as Portugal's national carrier with Lisbon as its home base, they frequently offer the most competitive fares on this route and know how to get you there smoothly. United and Iberia are solid alternatives worth comparing, especially if you're collecting miles.

Lisbon will disarm you almost immediately. It's the kind of city that feels both lived-in and luminous — all steep hills, pastel-tiled facades, and that particular Atlantic light that makes everything glow gold by late afternoon. Hop aboard Tram 28 and you'll rattle through some of the city's oldest neighborhoods, past laundry lines and flower boxes, in a way no tour bus could replicate. The pastéis de nata — those flaky, custard-filled tarts dusted with cinnamon — are non-negotiable, and you'll find them at bakeries throughout the city. Alfama, the ancient Moorish quarter, rewards slow wandering, and the viewpoints scattered across the city's seven hills offer some of the most effortlessly beautiful urban panoramas in Europe.

From Lisbon's Humberto Delgado Airport, the metro is your best friend — it's affordable, reliable, and connects directly to the city center, making it easy to arrive without the stress of navigating unfamiliar roads after a long flight.

Timing matters here. June through August is peak season, and Lisbon earns every bit of its reputation as Europe's sunniest capital during those months. But shoulder season — particularly May and September — offers warm weather, thinner crowds, and noticeably friendlier prices on accommodation. If summer is your target, book three to five months out to lock in the better fares before they climb.

The genuinely useful tip? Consider building in a night or two in Porto before or after Lisbon. The two cities are connected by frequent, affordable train services, and Porto's dramatic riverfront and port wine cellars make it a natural companion to a Lisbon trip — essentially doubling your experience without dramatically increasing your costs.

How much are flights from San Francisco to Lisbon in 2026?

Flight prices from San Francisco (SFO) to Lisbon (LIS) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $600 roundtrip. Standard fare is $900-$1,200+. Popular carriers on this route include TAP Air Portugal, United Airlines, Iberia. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track San Francisco to Lisbon fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the SFO to LIS route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 3-5 months in advance for summer travel. TAP Air Portugal often offers the most competitive fares with a convenient Lisbon hub connection through European cities.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.