Flights from Dallas to Harlingen
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From $243 · Prices update daily
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The quick answer
Flights from Dallas to Harlingen start around $243 round-trip. Main carrier: Southwest Airlines. Cheapest month to fly: September.
Price calendar — next 60 days
★ Cheapest: $243 on Thu, Sep 17 · WN
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Dallas to Harlingen
Month-by-month lowest fares. Green = cheapest dates.
United States essentials
🇺🇸 Domestic flight — no passport required
Domestic flight — no passport required for US citizens. Bring REAL ID for security.
Full Harlingen visa guide →🆘 Emergency
911
💱 Currency
US Dollar ($)
🕐 Time zone
UTC−5 to −10
🗣️ Language
English
🔌 Plugs
Type A/B · 120V
🚗 Driving
Right side
💡 Tipping
Expected — 15–20% at restaurants
📞 Dial code
+1
Entry rules can change — always confirm with official sources before booking.
Stay connected in Harlingen
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Dallas to Harlingen trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Harlingen
Pre-book your ride into Harlingen. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Dallas to Harlingen flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Dallas to Harlingen — frequently asked
How much is a flight from Dallas to Harlingen?+
Fares start around $243 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Dallas to Harlingen?+
September typically has the lowest fares.
Are there direct flights from Dallas to Harlingen?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from Dallas to Harlingen?+
Carriers on this route include Southwest Airlines. Compare them side by side in the search above.
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