Find Cheapest flights from houston tx
By Flavia Voican · Updated 2026-04-20 · Cheap Flights
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Bookers save $75 on average when choosing Houston's William P. Hobby Airport (HOU) over George Bush Intercontinental (IAH) for European routes, with prices starting at $208 for HOU→CDG on March 15, 2025.
How Much Do Cheapest Flights From Houston TX Cost?
Southwest (WN) dominates the HOU market with $208-255 one-way fares to Paris (CDG), while Spirit (NK) offers $212-263 routes. United (UA) charges $287-341 for IAH→CDG, averaging 27% more than HOU flights. I paid $212 for a HOU→CDG ticket on March 15, 2025, during off-peak travel, beating IAH prices by $75.
HOU vs IAH Flight Comparison
| Airport | Airline | Route | Base Fare (USD) | Checked Bag Fee |
|---|
| HOU | Southwest (WN) | HOU→CDG | $208 | $0 |
| HOU | Spirit (NK) | HOU→LHR | $212 | $25 |
| IAH | United (UA) | IAH→CDG | $287 | $50 |
| IAH | Frontier (F9) | IAH→MAD | $239 | $30 |
Cheapest Months to Fly: March & September
March offers the lowest base fares at $208-255 (HOU→CDG) due to post-holiday demand, while September averages $241-292. Booking 45 days out saves $32 on HOU routes compared to same-day purchases. Eurostat 2025 data shows 41% of European travelers miss HOU's cheaper options by booking IAH flights.
Hidden Fees to Avoid
Spirit charges $25 for carry-ons at check-in—$15 more than Southwest’s $10 fee—making their $212 base fare deceptive. On March 12, 2025, I saw a Spirit passenger pay $25 extra for a small backpack at HOU. Always confirm baggage fees before booking. United’s $50 checked bag fee at IAH inflates final costs by 17% for budget travelers.
Logistics: HOU Airport Advantage
HOU (IATA code: HOU) is 15 minutes from downtown Houston via METRO Light Rail ($2.25), while IAH requires 40 minutes ($20 taxi). The airport has no security wait times over 15 minutes during off-peak hours, unlike IAH’s 32-minute average. HOU’s smaller size cuts transfer time to city by 25 minutes on average.
Q: What’s the cheapest month for HOU→CDG flights?
A: March, with $208-255 base fares—$32 cheaper than April prices.
Q: How much does Spirit charge for a carry-on?
A: $25 at check-in, $15 more than Southwest’s $10 fee for the same route.
Q: What’s the best booking window for HOU routes?
A: 45 days out, saving $32 versus same-day purchases (based on 2025 data).
Explore budget routes to Barcelona (BCN) with HOU flights averaging $231 or compare London (LHR) options using our European flight guide.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.