Cheap International Flights from San Francisco in September
Fares shown are modelled estimates, not live quotes.
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September Travel Tip
A strong month for Europe. Shoulder season starts and prices often ease from peak.
Best Destinations from San Francisco in September
SFO → GLA
Glasgow
United Kingdom
Est. $422
round trip
~11h flight time
SFO → EDI
Edinburgh
United Kingdom
Est. $425
round trip
~11h flight time
SFO → DUB
Dublin
Ireland
Est. $428
round trip
~11h flight time
SFO → MAN
Manchester
United Kingdom
Est. $438
round trip
~11h flight time
SFO → BHX
Birmingham
United Kingdom
Est. $443
round trip
~12h flight time
SFO → LHR
London
United Kingdom
Est. $450
round trip
~12h flight time
SFO → AMS
Amsterdam
Netherlands
Est. $459
round trip
~12h flight time
SFO → CPH
Copenhagen
Denmark
Est. $460
round trip
~12h flight time
SFO → TLL
Tallinn
Estonia
Est. $460
round trip
~12h flight time
Best Regions from San Francisco in September
Related Reading
Frequently Asked Questions
What are the cheapest destinations from San Francisco in September?
In September, some of the most affordable destinations from San Francisco include Glasgow (est. $422 RT), Edinburgh (est. $425 RT), Dublin (est. $428 RT). Prices vary by booking window.
Is September cheap to fly from San Francisco?
A strong month for Europe. Shoulder season starts and prices often ease from peak.
How far ahead should I book flights from San Francisco in September?
For September departures from San Francisco, booking 6–10 weeks in advance typically yields the best fares. For peak months like July and December, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
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