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Cheap flights from San Diego

We are watching 69 routes out of San Diego. The cheapest fare we can vouch for today is €17, and for each one we say whether today is a good moment or you should wait.

See this fare · San Francisco €17

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Where to fly from San Diego

San Diego → San Francisco

Frontier Airlines Based on 913 observations ✈ Direct

San Diego → Phoenix

Frontier Airlines Based on 225 observations ✈ Direct

San Diego → Las Vegas

Frontier Airlines Based on 398 observations ✈ Direct

San Diego → Denver

Frontier Airlines Based on 136 observations ✈ Direct

San Diego → Dallas-Fort Worth

Frontier Airlines Based on 168 observations ✈ Direct

San Diego → Houston

Frontier Airlines Based on 80 observations 1 stop

San Diego → San Jose

Alaska Airlines Based on 146 observations ✈ Direct

San Diego → Oakland

Alaska Airlines Based on 93 observations ✈ Direct

San Diego → Seattle

Frontier Airlines Based on 330 observations 1 stop

San Diego → Salt Lake City

Frontier Airlines Based on 8 observations 1 stop

San Diego → Everett

Alaska Airlines Based on 66 observations ✈ Direct

San Diego → Boston

jetBlue Based on 76 observations ✈ Direct

San Diego → Cincinnati / Covington

Frontier Airlines Based on 13 observations 1 stop

San Diego → Portland

Frontier Airlines Based on 67 observations 1 stop

San Diego → Atlanta

Frontier Airlines Based on 43 observations 3 stops

San Diego → Miami

Frontier Airlines Based on 97 observations 2 stops

San Diego → Baltimore

Frontier Airlines Based on 68 observations 2 stops

San Diego → Chicago

American Airlines Based on 127 observations ✈ Direct

San Diego → Fort Lauderdale

Alaska Airlines Based on 42 observations ✈ Direct

San Diego → Washington

Frontier Airlines Based on 64 observations 1 stop

San Diego → Charlotte

American Airlines Based on 119 observations ✈ Direct

San Diego → London

WestJet Based on 49 observations 1 stop

San Diego → Indianapolis

Southwest Airlines Based on 28 observations 1 stop

San Diego → Fresno

Frontier Airlines Based on 18 observations 1 stop

San Diego → Vancouver

Frontier Airlines Based on 73 observations 2 stops

San Diego → Santa Barbara

Alaska Airlines Based on 26 observations ✈ Direct

San Diego → Tampa

Frontier Airlines Based on 14 observations 3 stops

San Diego → Santa Rosa

Alaska Airlines Based on 13 observations ✈ Direct

San Diego → Monterey

Frontier Airlines Based on 37 observations 1 stop

San Diego → New York

Frontier Airlines Based on 351 observations 2 stops

San Diego → Oklahoma City

Frontier Airlines Based on 27 observations 1 stop

San Diego → Bellingham

Frontier Airlines Based on 9 observations 1 stop

San Diego → Nassau

Frontier Airlines Based on 25 observations 2 stops

San Diego → Nashville

Southwest Airlines Based on 14 observations ✈ Direct

San Diego → Ontario

Frontier Airlines Based on 58 observations 1 stop

San Diego → Melbourne

Frontier Airlines Based on 10 observations 2 stops

San Diego → Los Angeles

Frontier Airlines Based on 129 observations 1 stop

San Diego → Newburgh

Breeze Airways Based on 72 observations 1 stop

San Diego → Mexico City

Frontier Airlines Based on 111 observations 1 stop

San Diego → Honolulu

Alaska Airlines Based on 124 observations ✈ Direct

San Diego → Eugene

Alaska Airlines Based on 11 observations ✈ Direct

San Diego → Calgary

Alaska Airlines Based on 46 observations 1 stop

San Diego → St Louis

Frontier Airlines Based on 8 observations 1 stop

San Diego → San Juan

Frontier Airlines Based on 29 observations 2 stops

San Diego → Cleveland

Frontier Airlines Based on 33 observations 2 stops

San Diego → Greenville/Greer/Spartanburg

American Airlines Based on 10 observations 1 stop

San Diego → Tijuana

Frontier Airlines Based on 11 observations 2 stops

San Diego → Kahului

Alaska Airlines Based on 28 observations ✈ Direct

San Diego → Puerto Vallarta

Alaska Airlines Based on 36 observations ✈ Direct

San Diego → Lebanon

jetBlue Based on 8 observations 1 stop

San Diego → Palm Springs

Alaska Airlines Based on 35 observations 1 stop

San Diego → Columbia

Breeze Airways Based on 12 observations 2 stops

San Diego → Copenhagen

Frontier Airlines Based on 12 observations 3 stops

San Diego → Paris

jetBlue Based on 33 observations 1 stop

San Diego → Stockton

Frontier Airlines Based on 27 observations 1 stop

San Diego → Bangkok

Air Canada Based on 9 observations 2 stops

San Diego → Kalispell

Frontier Airlines Based on 13 observations 2 stops

San Diego → Jackson

United Airlines Based on 14 observations 1 stop

San Diego → Tokyo

Alaska Airlines Based on 10 observations 2 stops

San Diego → Istanbul

United Airlines Based on 36 observations 2 stops

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 (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, 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 +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. 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 +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.

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