Travel with Axel,
get the best price.

Route overview: Harlingen to Houston (IAH) flight deals

Harlingen → Houston

Dec 21, 2026 · return Jan 4, 2027

HRL → IAH1 adulteconomyRound trip

2 flight options · 1 airline

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

United Airlines
4:39 pmHRL
1h 23m
Nonstop
6:02 pmIAH
United Airlines
2:40 pmIAH
1h 21m
Nonstop
4:01 pmHRL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
7:15 amHRL
1h 23m
Nonstop
8:38 amIAH
United Airlines
2:40 pmIAH
1h 21m
Nonstop
4:01 pmHRL

Round-trip total · 1 adult · Taxes included

Make this trip yours

HRL ⇄ IAH

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

Explore this route

All dates for this routeDec 20, 2026 → Jan 3, 2027Dec 22, 2026 → Jan 5, 2027
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Route overview: Harlingen to Houston (IAH) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04United AirlinesUA4870 / UA6116$275.002026-10-29T01:05:11Z
2026-12-21 → 2027-01-04United AirlinesUA3997 / UA6116$275.002026-10-29T01:05:11Z

2026-12-21 → 2027-01-04 · $275.00

  • United Airlines UA4870: HRL 2026-12-21 16:39:00 → IAH 2026-12-21 18:02:00; nonstop; 83 minutes. Local airport times.
  • United Airlines UA6116: IAH 2027-01-04 14:40:00 → HRL 2027-01-04 16:01:00; nonstop; 81 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $275.00

  • United Airlines UA3997: HRL 2026-12-21 07:15:00 → IAH 2026-12-21 08:38:00; nonstop; 83 minutes. Local airport times.
  • United Airlines UA6116: IAH 2027-01-04 14:40:00 → HRL 2027-01-04 16:01:00; nonstop; 81 minutes. Local airport times.

Explore this route