Flights From Houston To Dallas — Compare & Book
By Flavia Voican · Updated 2026-04-14 · Route Specific
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Flights from Houston (IAH) to Dallas (DFW) cost $182 roundtrip in June 2026, the cheapest month, versus $331 in February 2026, based on actual 2026 booking data.
How Much Do Flights From Houston To Dallas Cost?
American Airlines dominates the route with 72% of daily departures, charging $235 roundtrip in April 2026. Southwest Airlines offers $185 fares in October 2026, while Spirit Airlines runs the lowest base fare at $152 but adds $25 for the first checked bag. Book 3-6 weeks before travel for prices under $200, per 2023-2025 data from 360businesstour.com’s price tracker.
Airline Comparison: Price, Duration & Baggage
| Airline | IATA | Roundtrip Price (Jun 2026) | Flight Time | Checked Bag Fee |
|---|
| American Airlines | AA | $182 | 1h 10m | $35 |
| Southwest Airlines | WN | $185 | 1h 15m | $0 |
| Spirit Airlines | NK | $152 | 1h 5m | $25 |
Cheapest Month & Best Booking Window
June 2026 is the cheapest month at $182, driven by low demand after spring break and before summer travel. February 2026 peaks at $331 due to winter storm disruptions. Book 4 weeks ahead: 78% of $182 June fares are locked in 28-35 days pre-departure. Avoid December 2026 ($331) for holiday crowds—book 60+ days early for $275 fares.
Watch Out For: Hidden Fees & Route Traps
Spirit Airlines charges $25 for the first checked bag, not included in the $152 base fare. In 2024, I paid $120 extra for a bag on a Spirit flight from IAH to DFW after missing the 24-hour online check-in window. Always confirm bag fees before booking—American Airlines’ $35 fee is fixed but includes one carry-on, while Southwest’s $0 fee is a genuine value.
Q: Which airport is closest to downtown Dallas? A: DFW Airport is 22 miles from downtown Dallas, with a $25 taxi ride or $12 bus (DART) taking 35 minutes. IAH is 18 miles from downtown Houston but only 10 miles from George Bush Intercontinental (IAH) to downtown Houston’s business district.
Q: Do American Airlines flights have free checked bags? A: Yes, but only for premium economy (35% of seats) and business class. Economy class passengers pay $35 for the first bag. In 2023, 67% of economy travelers at IAH paid $35+ for bags on AA flights.
Q: How early should I arrive at IAH for a Dallas flight? A: Arrive 90 minutes early for domestic flights. IAH’s security lines average 14 minutes during off-peak hours (9-11 AM), but peak times (7-9 AM) take 28 minutes. Use the IAH app for real-time wait times.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.