Cheap flights from Harlingen to San Francisco

One-way fares from $307 · HRL → SFO · prices found by travellers in the last 48 hours

Compare all dates San Francisco → Harlingen
Cheapest fare
$307

Southwest Airlines · Fri, Nov 13

Cheapest month
November

from $307

Direct flights
Not recently

Usually 1+ stop

Quickest trip
9h 15m

2,650 km

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Cheapest month to fly from Harlingen to San Francisco

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $307

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About flights from Harlingen to San Francisco

Harlingen (HRL) and San Francisco (SFO) are about 2,650 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 9h 15m. Over the next few months, one-way fares start from $307, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Harlingen to San Francisco?

The cheapest one-way fare we've seen recently is $307 with Southwest Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $307 one way.

Are there direct flights from Harlingen to San Francisco?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Harlingen to San Francisco?

The quickest journey we've seen takes about 9h 15m. Harlingen and San Francisco are around 2,650 km apart.

Which airlines fly from Harlingen to San Francisco?

Recent fares on this route were with Southwest Airlines.

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