United States Β· 862 miles (1,387 km)

Denver (DEN) to Houston (IAH) flights

Air Canada Aeroplan logo
10,000 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Denver (DEN) to Houston (IAH) starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. 2 airlines fly nonstop from Denver (DEN) to Houston (IAH): Frontier Airlines and United Airlines. The two airports are 862 miles (1,387 km) apart. United Airlines is in Star Alliance. There are also 42 ways to fly it with one stop, through Dallas, Amarillo and Colorado Springs and more.

How many miles DEN to IAH costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Air Canada AeroplanOn United Airlines10,000$33.60
Emirates SkywardsOn United Airlines12,000$5.60–355.60
Avianca LifeMilesOn United Airlines12,500$30.60
ANA Mileage ClubOn United Airlines15,000$5.60
Singapore Airlines KrisFlyerOn United Airlines15,000$5.60
Turkish Airlines Miles&SmilesOn United Airlines15,000$5.60–45.60
Thai Royal Orchid PlusOn United Airlines17,500$5.60
EVA Air Infinity MileageLandsOn United Airlines19,500$5.60
TAP Miles&GoOn United Airlines30,000$50.40

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from DEN to IAH

Book DEN to IAH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

DEN to IAH with one stop

42 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Dallas (DFW)American Airlines and United Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Amarillo (AMA)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Colorado Springs (COS)United Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Oklahoma City (OKC)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Abilene (ABI)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Lubbock (LBB)United Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Austin (AUS)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    United Airlines logo
  • Via Wichita (ICT)United Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Tulsa (TUL)United Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Shreveport (SHV)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via San Antonio (SAT)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Midland (MAF)United Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Hobbs (HOB)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Salina (SLN)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Aspen (ASE)United Airlines the whole way
    United Airlines logo
    United Airlines logo
See all 42 in Routes

DEN to IAH: common questions

How many miles does DEN to IAH cost?

In economy it starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Emirates Skywards (12,000), Avianca LifeMiles (12,500) and ANA Mileage Club (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from DEN to IAH?

Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to Houston (IAH).

How far is Denver from Houston by plane?

Denver (DEN) and Houston (IAH) are 862 miles (1,387 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DEN to IAH award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Denver and Houston?

The most direct connections are through Dallas (DFW), Amarillo (AMA), Colorado Springs (COS), Oklahoma City (OKC) and Abilene (ABI). On 41 of them the same airline flies both flights, for example American Airlines through Dallas.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.