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Cheap flights from San Francisco to Barcelona

One-way from $311, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Sat, Jan 2Any priceSun, Jan 3Any priceMon, Jan 4Any priceTue, Jan 5$311Wed, Jan 6Any priceThu, Jan 7Any priceFri, Jan 8Any priceSat, Jan 9Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$311
United Airlines, flight UA 9725Found 4 days ago, 1 adult
Check price on Aviasales
7:25pmSan FranciscoTue, Jan 5
Travel time 12h 50m, 1 stopSFOBCN
5:15pmBarcelonaWed, Jan 6
$316
jetBlue, flight B6 1734Found 4 days ago, 1 adult
Check price on Aviasales
10:19amSan FranciscoTue, Oct 20
Travel time 12h 58m, 1 stopSFOBCN
8:17amBarcelonaWed, Oct 21
$331
United Airlines, flight UA 630Found 4 days ago, 1 adult
Check price on Aviasales
12:27pmSan FranciscoMon, Nov 23
Travel time 12h 47m, 1 stopSFOBCN
10:14amBarcelonaTue, Nov 24
$375
WestJet, flight WS 1503Found 4 days ago, 1 adult
Check price on Aviasales
1:00pmSan FranciscoTue, Oct 13
Travel time 12h 10m, 1 stopSFOBCN
10:10amBarcelonaWed, Oct 14
$378
French Bee, flight BF 711Found 5 days ago, 1 adult
Check price on Aviasales
8:00pmSan FranciscoFri, Nov 13
Travel time 12h 30m, 1 stopSFOBCN
5:30pmBarcelonaSat, Nov 14

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in SpainTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Barcelona, booked ahead at a fixed price.
    See options
  • Things to do in BarcelonaPopular tours from $30.96 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Spain from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? With an EU airline you may be owed up to €600 per person under EU261 (with a UK airline, up to £520 under UK261).
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234–5–6–7–8–9–10$45611$48512–13$37514–15–16–17–18–19–20$31621–22–23–24–25–26–27–28–29–30$44731–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13$37814–15$45616$40517–18–19–20–21–22–23$33124–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$331 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 20, $316.

Lowest fares by month

In the fares found this week, January 2027 has the lowest: from $311 one-way, against $331 in November. Pick a month to see its cheapest date.

$0$200$400OctNovDec$311JanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$316Tue, Oct 201 stop
November$331Mon, Nov 231 stop
December—
January 2027$311Tue, Jan 51 stop
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from San Francisco to Barcelona?

In the fares found this week, January 2027 has the lowest: from $311 one-way, against $331 in November.

Are there direct flights from San Francisco to Barcelona?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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