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Cheap flights from San Francisco

We are watching 125 routes out of San Francisco. The cheapest fare we can vouch for today is €16, and for each one we say whether today is a good moment or you should wait.

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Where to fly from San Francisco

San Francisco → San Diego

Frontier Airlines Based on 634 observations ✈ Direct

San Francisco → Los Angeles

Frontier Airlines Based on 1223 observations ✈ Direct

San Francisco → Ontario

Frontier Airlines Based on 500 observations ✈ Direct

San Francisco → Phoenix

Frontier Airlines Based on 169 observations ✈ Direct

San Francisco → Las Vegas

Frontier Airlines Based on 893 observations ✈ Direct

San Francisco → Houston

Frontier Airlines Based on 88 observations 1 stop

San Francisco → Portland

Alaska Airlines Based on 94 observations ✈ Direct

San Francisco → Santa Barbara

United Airlines Based on 64 observations ✈ Direct

San Francisco → Seattle

Alaska Airlines Based on 150 observations ✈ Direct

San Francisco → Everett

Alaska Airlines Based on 80 observations ✈ Direct

San Francisco → Salt Lake City

Frontier Airlines Based on 89 observations 1 stop

San Francisco → Austin

Frontier Airlines Based on 111 observations 1 stop

San Francisco → Dallas-Fort Worth

Frontier Airlines Based on 94 observations 1 stop

San Francisco → Vancouver

Frontier Airlines Based on 164 observations 1 stop

San Francisco → Chicago

Frontier Airlines Based on 186 observations 1 stop

San Francisco → Fort Lauderdale

Frontier Airlines Based on 140 observations 2 stops

San Francisco → Atlanta

Frontier Airlines Based on 79 observations 1 stop

San Francisco → San Antonio

Frontier Airlines Based on 20 observations 1 stop

San Francisco → Denver

Frontier Airlines Based on 85 observations 1 stop

San Francisco → San Jose

Alaska Airlines Based on 53 observations 1 stop

San Francisco → Oakland

Alaska Airlines Based on 29 observations 1 stop

San Francisco → New York

Frontier Airlines Based on 558 observations 3 stops

San Francisco → Baltimore

Frontier Airlines Based on 109 observations 3 stops

San Francisco → Honolulu

Alaska Airlines Based on 258 observations ✈ Direct

San Francisco → Boston

Frontier Airlines Based on 130 observations 2 stops

San Francisco → Miami

Frontier Airlines Based on 281 observations 2 stops

San Francisco → Charlotte

Frontier Airlines Based on 88 observations 1 stop

San Francisco → Long Beach

Alaska Airlines Based on 81 observations 1 stop

San Francisco → Washington

Frontier Airlines Based on 162 observations 2 stops

San Francisco → Tampa

Frontier Airlines Based on 40 observations 1 stop

San Francisco → Fresno

Frontier Airlines Based on 33 observations 1 stop

San Francisco → Memphis

Frontier Airlines Based on 29 observations 1 stop

San Francisco → Cincinnati / Covington

Breeze Airways Based on 21 observations ✈ Direct

San Francisco → Morelia

Frontier Airlines Based on 25 observations 3 stops

San Francisco → Calgary

Frontier Airlines Based on 20 observations 2 stops

San Francisco → Lihue

Alaska Airlines Based on 49 observations ✈ Direct

San Francisco → Minneapolis

Sun Country Airlines Based on 57 observations ✈ Direct

San Francisco → Palm Springs

United Airlines Based on 27 observations ✈ Direct

San Francisco → Medford

Frontier Airlines Based on 12 observations 1 stop

San Francisco → Guadalajara

Volaris Based on 81 observations 1 stop

San Francisco → Pittsburgh

American Airlines Based on 13 observations 1 stop

San Francisco → Bozeman

Alaska Airlines Based on 36 observations 2 stops

San Francisco → Monterrey

Frontier Airlines Based on 19 observations 1 stop

San Francisco → Cancún

Frontier Airlines Based on 131 observations 2 stops

San Francisco → Page

Frontier Airlines Based on 19 observations 1 stop

San Francisco → Newburgh

Frontier Airlines Based on 85 observations 2 stops

San Francisco → Mexico City

Volaris Based on 117 observations 2 stops

San Francisco → Madrid

TAP Portugal Based on 40 observations 1 stop

San Francisco → St Louis

Frontier Airlines Based on 24 observations 1 stop

San Francisco → Redmond

Frontier Airlines Based on 10 observations 1 stop

San Francisco → Barcelona

TAP Portugal Based on 68 observations 1 stop

San Francisco → Paris

TAP Portugal Based on 147 observations 1 stop

San Francisco → Sint Maarten

Frontier Airlines Based on 15 observations 2 stops

San Francisco → Philadelphia

Frontier Airlines Based on 94 observations 2 stops

San Francisco → Guatemala City

Frontier Airlines Based on 30 observations 2 stops

San Francisco → Richmond

Frontier Airlines Based on 23 observations 3 stops

San Francisco → Nassau

Frontier Airlines Based on 36 observations 2 stops

San Francisco → Spokane

American Airlines Based on 9 observations ✈ Direct

San Francisco → Querétaro

Frontier Airlines Based on 17 observations 2 stops

San Francisco → Raleigh/Durham

Alaska Airlines Based on 26 observations 1 stop

Booking tips from our fare data

How far in advance should you book a flight?: Book 1–1.5 months before departure. Tracking the same flights at every lead time (94,914 flights on 19,442 routes, 2026-06-14 to 2026-11-04), that window had the smallest average premium over each flight's lowest fare: +16.8%, against +49.3% in the last 3 days.
What is the cheapest day of the week to fly?: Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.4% and Tuesday +4.2%, while Friday was the dearest at +10.6%. Weekend departures cost more than midweek ones.
What is the cheapest month to fly?: November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +17.5%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-04.

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