Southwest AirlinesDepart14:15
Thu, Nov 12STS → HRL
6h 05m · 2 stops
$309one way, per person
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- Cheapest fare
- $309
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 05m
Southwest Airlines · Thu, Nov 12
from $309
Usually 1+ stop
2,700 km
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Cheapest month to fly from Santa Rosa to Harlingen
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Santa Rosa to Harlingen
Santa Rosa (STS) and Harlingen (HRL) are about 2,700 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 6h 05m. Over the next few months, one-way fares start from $309, 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 Santa Rosa to Harlingen?
The cheapest one-way fare we've seen recently is $309 with Southwest Airlines, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Santa Rosa to Harlingen?
November 2026 currently has the lowest fares, from $309 one way.
Are there direct flights from Santa Rosa to Harlingen?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Santa Rosa to Harlingen?
The quickest journey we've seen takes about 6h 05m. Santa Rosa and Harlingen are around 2,700 km apart.
Which airlines fly from Santa Rosa to Harlingen?
Recent fares on this route were with Southwest Airlines.