Direct flights from Houston to Denver

Did you mean Flights from Denver to Houston?

Houston

United States

IAH

George Bush Intercontinental Houston Airport

Denver

United States

DEN

Denver International Airport

Route: Nonstop service available
Distance: 862 miles
Marketing airlines: 7 airlines
Aircraft: 13 aircraft types
Dates: Oct 19, 2026 – Oct 17, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 12,500 points + $9.00 for IAH → DEN, Economy, on 2026-11-21, booked with Virgin Australia. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

IAH → DENEconomy
UA1066
12,500 points+ $9.00
Departure
2026-11-21
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-23 02:15
IAH → DENEconomy
UA685
14,700 points+ $5.00
Departure
2026-11-09
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 17:12
IAH → DENEconomy
UA685
14,700 points+ $5.00
Departure
2026-11-10
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 19:40
IAH → DENEconomy
UA1450
14,700 points+ $5.00
Departure
2026-11-10
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 19:40
IAH → DENEconomy
UA1066
14,700 points+ $5.00
Departure
2026-11-11
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-23 04:34
IAH → DENEconomy
UA685
14,700 points+ $5.00
Departure
2026-11-11
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-23 04:34
IAH → DENEconomy
UA1450
14,700 points+ $5.00
Departure
2026-11-11
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-23 04:34
IAH → DENEconomy
UA1654
14,700 points+ $5.00
Departure
2026-11-17
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 16:51
IAH → DENEconomy
UA281
14,700 points+ $5.00
Departure
2026-11-17
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 16:51
IAH → DENEconomy
UA1066
14,700 points+ $5.00
Departure
2026-11-18
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 19:03
IAH → DENEconomy
UA1450
14,700 points+ $5.00
Departure
2026-11-18
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 19:03
IAH → DENEconomy
UA281
14,700 points+ $5.00
Departure
2026-11-18
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 19:03

Explore these booking programs

Search Virgin Australia awards Virgin Australia booking and transfer guide
Transfer partners in our directory: Marriott Bonvoy, Choice Privileges, IHG Rewards, Accor Live Limitless. Check current eligibility and terms before transferring.
Search United MileagePlus awards United MileagePlus booking and transfer guide
Transfer partners in our directory: Wyndham Rewards, Chase Ultimate Rewards, Bilt Rewards, Marriott Bonvoy, Accor Live Limitless, IHG Rewards, Choice Privileges. Check current eligibility and terms before transferring.

Houston to Denver route overview

George Bush Intercontinental Houston Airport (IAH) serves Houston; Denver International Airport (DEN) serves Denver.

The airports are 862 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from IAH to DEN.

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Avianca (AV), Emirates (EK), Frontier Airlines (F9), Air New Zealand (NZ), United Airlines (UA) and Volaris (Y4). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 17, 2027.

Marketing airlines on the Houston to Denver route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Air Canada (AC)Codeshare only
Avianca (AV)Codeshare only
Emirates (EK)Codeshare only
Air New Zealand (NZ)Codeshare only
Volaris (Y4)Codeshare only

Airline alliance affiliations represented: Star Alliance

Aircraft flying from IAH to DEN

Frequently asked questions

Which airports serve the Houston to Denver route?

George Bush Intercontinental Houston Airport (IAH) is the origin airport and Denver International Airport (DEN) is the destination airport.

How far is Denver from Houston?

IAH and DEN are approximately 862 miles apart by great-circle distance.

Are there direct flights from IAH to DEN?

Yes. Roame's current schedule feed shows nonstop service from IAH to DEN.

Which airlines market flights from IAH to DEN?

Which aircraft fly from IAH to DEN?

Aircraft listed in the current schedule include Airbus A320 (320), Airbus A321 (321), Airbus A320neo (32N), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 757-200 (752), Boeing 757-300 (753), 777, Boeing 737 MAX 8 (7M8), Canadair Regional Jet 200 (CR2), Embraer 175 (long wing) (E7W) and JET.