Flights from Denver to Houston
North AmericaYear-round

Cheap Flights from Denver to Houston

Track economy fares on the DEN → IAH route and get alerts when prices drop.

From
Denver
DEN
To
Houston
IAH

Route Intelligence: Denver → Houston

Flight Duration

2 hr 28 min (Direct)

Price Guidance

A good deal is under $250 roundtrip. Standard fare is $350–$500+.

Peak Season

Jun-Aug

Top Airlines

United Airlines, Southwest Airlines

Booking Tip

Book 1-3 months in advance for the best domestic fares.

Track Denver → Houston Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

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Route Summary: Denver → Houston

From
Denver (DEN)
To
Houston (IAH)
Duration
2 hr 28 min (Direct)
Airlines
United Airlines, Southwest Airlines
Price Guide
A good deal is under $250 roundtrip. Standard fare is $350–$500+.
Tracking
FlightKitten scans 220+ airlines 2× daily
220+
Airlines Monitored
2×
Daily Scanning
AI
Deal Briefings
7-Day
Free Trial
Premium Cabin

Prefer business class on this route?

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Everyone deserves comfort at an affordable price. CEOFLIGHTS Personal Travel Managers find you the best business class fares and handle every detail of your journey.

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Also available: BestBusinessClass.com

Other Routes to Houston

New York→HoustonLos Angeles→HoustonChicago→HoustonMiami→HoustonSan Francisco→HoustonBoston→Houston

More Destinations in North America

Anchorage
Anchorage
Atlanta
Atlanta
Austin
Austin
Boston
Boston
Charleston
Charleston
Charlotte
Charlotte

Route Briefing: Denver to Houston

Connecting Denver to Houston covers 862 miles in 2 hours and 23 minutes. United Airlines operates a massive bridge between its hubs at DEN and George Bush Intercontinental Airport (IAH), alongside Southwest service into Hobby Airport.

Houston is a sprawling metropolis known for space exploration, world-class art, and one of the country's most diverse food scenes. Tour Space Center Houston to see real NASA spacecraft, visit the Museum of Fine Arts and Menil Collection in Montrose, or stroll along the green trails of Buffalo Bayou Park. Food lovers must try Houston's famous Viet-Cajun garlic butter crawfish, authentic Mexican street tacos, and world-class smoked brisket.

Economy roundtrips under $120 represent strong value, with standard fares running $170 to $270. Spring and autumn provide ideal temperatures for exploring the city's outdoor parks and patio dining. Book 3 to 5 weeks out for the best economy airfares.

How much are flights from Denver to Houston in 2026?

Flight prices from Denver (DEN) to Houston (IAH) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $250 roundtrip. Standard fare is $350–$500+. Popular carriers on this route include United Airlines, Southwest Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Denver to Houston fares?

FlightKitten is an economy flight price monitoring platform that scans 220+ airlines twice every day for economy fares on the DEN to IAH route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching. Learn more about how FlightKitten tracking works.

See our full Houston destination guide for all available routes. Also popular: Denver to Anchorage.

Pro tip: Book 1-3 months in advance for the best domestic fares.

Looking for business class on this route? CEOFLIGHTS pairs you with a Personal Travel Manager who finds affordable business class fares and handles every detail of your journey. Alternatively, BestBusinessClass.com offers free expert quotes with real savings.