Cheap flights from San Francisco to Lisbon from $392 SFO → LIS
San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS)
The cheapest return found recently is $795 with SAS Scandinavian, 15 Nov – 22 Nov, found 2 days ago. The cheapest one-way found recently is $392 with Air Canada, 2 May 2027, found 6 days ago.
- Cheapest one-way found recently
- $392, found 6 days ago
- Cheapest return found recently
- $795, 15 Nov to 22 Nov
- Usual return price
- $850 to $1,009
- Cheapest month to fly
- November 2026, return fares from $795 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $850 to $1,009.
Cheapest return found recently
$795
15 Nov – 22 Nov · SAS Scandinavian
San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS)
Leaves 4:45 p.m. · Return leaves 6:45 p.m. · 43 h 40 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$795 15 Nov – 22 Novfound 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $580 to $1,291.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 15 Nov to 16 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 15 Nov to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Nov – 22 Nov | $795 | SAS Scandinavian | San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Nov – 5 Dec | $904 | United Airlines | San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 16 Jul 2027 – 7 Aug 2027 | $1,113 | Air Canada | San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $795.
Airlines on the cheapest dates: SAS Scandinavian, United Airlines, Air Canada.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$392
2 May 2027 · Air Canada
San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS)
Leaves 12:15 p.m. · 13 h 5 min trip
1 stop
found 6 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$392 2 May 2027found 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 23 days, 4 Oct to 11 Nov, the cheapest one-way we saw each day was $230 to $392.
At $392, the cheapest one-way found recently is at the high end of that range.
23 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 2 May 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Apr 2027 | $418 | Air Canada | San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS) | 1 stop | found 6 days ago | Open this trip |
| 2 May 2027 | $392 | Air Canada | San Francisco International Airport (SFO) → Lisbon Portela Airport (LIS) | 1 stop | found 6 days ago | Open this trip |
Which month looks cheapest?
May 2027 is the cheapest month — from $392.
Airlines on the cheapest dates: Air Canada.
Premium cabin fares from San Francisco to Lisbon
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 15 Nov – 22 Nov in another cabin: Premium economy · Business · First
Today's prices for 2 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to Lisbon?
Return
Fares 90 to 179 days before departure were typically 26% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $926 | $783 | +34% | 7 |
| 7–13 days | $783 | $771 | +14% | 9 |
| 14–29 days | $904 | $720 | +31% | 25 |
| 30–59 days | $844 | $697 | +22% | 29 |
| 60–89 days | $978 | $839 | +42% | 24 |
| 90–179 days | $690 | $690 | Cheapest seen | 8 |
| 180+ days | $886 | $580 | +28% | 17 |
One-way
Not enough history yet: in 23 days of one-way prices, 4 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Sacramento → Lisbon
121 km from San Francisco
$1,217
$422 more than flying from San Francisco
16 Jul 2027 – 7 Aug 2027 · SMF → LIS · out 2 stops, back 2 stops
found 5 days ago
Oakland → Lisbon
13 km from San Francisco
$1,433
$638 more than flying from San Francisco
26 Nov – 5 Dec · OAK → LIS · out 2 stops, back 1 stop
found 7 days ago
San Jose → Lisbon
67 km from San Francisco
$1,520
$725 more than flying from San Francisco
16 Jul 2027 – 7 Aug 2027 · SJC → LIS · out 2 stops, back nonstop
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Jose → Lisbon
67 km from San Francisco
$440
$48 more than flying from San Francisco
23 Apr 2027 · SJC → LIS · 2 stops
found 6 days ago
Oakland → Lisbon
13 km from San Francisco
$579
$187 more than flying from San Francisco
23 Apr 2027 · OAK → LIS · 2 stops
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 15 Nov – 22 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Francisco to Lisbon?
The cheapest return found recently is $795 with SAS Scandinavian, 15 Nov to 22 Nov, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $850 to $1,009.
How much is a one-way flight from San Francisco to Lisbon?
The cheapest one-way found recently is $392 with Air Canada, 2 May 2027, found 6 days ago.
What is the cheapest month to fly from San Francisco to Lisbon?
November 2026 is the cheapest month for a return, from $795, 15 Nov to 22 Nov, found 2 days ago. May 2027 is the cheapest month for a one-way, from $392, 2 May 2027, found 6 days ago.
How far ahead should I book a flight from San Francisco to Lisbon?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 26% lower than 0 to 6 days before departure.
How long is the flight from San Francisco to Lisbon?
The cheapest one-way found recently, with Air Canada on 2 May 2027, takes 13 h 5 min with 1 stop.
Which airlines have the cheapest flights from San Francisco to Lisbon?
Between 15 Nov and 16 Jul 2027, SAS Scandinavian has the cheapest return on 1 of the 3 departure dates we hold, United Airlines on 1 and Air Canada on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work