Compare live prices for DEN to IAH. Use the search panel
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DEN → IAHApprox. 1387.49 km11 May 2026Live inventory
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Showing 25
of 117
live flights
Frontier Airlines
F9-3228
17:27
05/11/2026
DEN
Denver International Airport
3h 43m
Non-stop
21:10
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹4,989
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-3206
10:00
05/11/2026
DEN
Denver International Airport
3h 44m
Non-stop
13:44
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹4,989
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2996
21:06
05/11/2026
DEN
Denver International Airport
3h 38m
Non-stop
00:44
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹4,989
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-1375
06:45
05/11/2026
DEN
Denver International Airport
7h 11m
1 Stop
⏱ PHX · 1h 31mPHX Airport
13:56
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹7,061
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2349
12:34
05/11/2026
DEN
Denver International Airport
23h 59m
1 Stop
⏱ LAS · 17h 31mLAS Airport
12:33
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹7,582
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-4186
18:59
05/11/2026
DEN
Denver International Airport
16h 12m
1 Stop
⏱ DTW · 8h 53mDTW Airport
11:11
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹7,582
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-777
22:29
05/11/2026
DEN
Denver International Airport
14h 4m
1 Stop
⏱ LAS · 7h 46mLAS Airport
12:33
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹7,582
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2907
08:41
05/11/2026
DEN
Denver International Airport
16h 44m
1 Stop
⏱ ONT · 10h 1mONT Airport
01:25
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹7,582
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2349
12:34
05/11/2026
DEN
Denver International Airport
7h 31m
1 Stop
⏱ LAS · 0h 42mLAS Airport
20:05
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹8,932
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-3600
10:00
05/11/2026
DEN
Denver International Airport
12h 50m
1 Stop
⏱ ATL · 6h 16mATL Airport
22:50
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹9,439
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-3566
07:41
05/11/2026
DEN
Denver International Airport
27h 30m
1 Stop
⏱ DTW · 20h 17mDTW Airport
11:11
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹9,439
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2015
06:10
05/11/2026
DEN
Denver International Airport
13h 55m
1 Stop
⏱ LAS · 7h 16mLAS Airport
20:05
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹9,439
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-1993
10:33
05/11/2026
DEN
Denver International Airport
9h 32m
1 Stop
⏱ LAS · 2h 51mLAS Airport
20:05
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹10,889
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2341
07:00
05/11/2026
DEN
Denver International Airport
8h 12m
1 Stop
⏱ LAX · 1h 11mLAX Airport
15:12
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹10,889
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2520
23:56
05/11/2026
DEN
Denver International Airport
9h 4m
1 Stop
⏱ MCO · 1h 37mMCO Airport
09:00
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹10,889
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-1765
19:01
05/11/2026
DEN
Denver International Airport
17h 32m
1 Stop
⏱ LAS · 11h 12mLAS Airport
12:33
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹11,396
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-3174
16:54
05/11/2026
DEN
Denver International Airport
26h 23m
1 Stop
⏱ ORD · 19h 33mORD Airport
19:17
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹11,396
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-4345
22:39
05/11/2026
DEN
Denver International Airport
16h 33m
1 Stop
⏱ LAX · 9h 30mLAX Airport
15:12
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹11,396
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-1993
10:33
05/11/2026
DEN
Denver International Airport
26h 0m
1 Stop
⏱ LAS · 19h 40mLAS Airport
12:33
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹11,396
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-2520
23:56
05/11/2026
DEN
Denver International Airport
18h 53m
1 Stop
⏱ MCO · 11h 20mMCO Airport
18:49
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹11,396
per person
✕ Non-refundable3 fare options
Frontier Airlines
F9-3312
09:15
05/11/2026
DEN
Denver International Airport
23h 45m
1 Stop
⏱ MCO · 16h 9mMCO Airport
09:00
05/12/2026
+1
IAH
George Bush Intercontinental Houston Airport
₹13,634
per person
✕ Non-refundable3 fare options
United Airlines
UA-2419
20:23
05/11/2026
DEN
Denver International Airport
3h 35m
Non-stop
23:58
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹14,012
per person
✕ Non-refundable10 fare options
United Airlines
UA-320
05:10
05/11/2026
DEN
Denver International Airport
3h 36m
Non-stop
08:46
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹14,012
per person
✕ Non-refundable🔥 Last 3 seats10 fare options
United Airlines
UA-475
19:38
05/11/2026
DEN
Denver International Airport
3h 36m
Non-stop
23:14
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹14,012
per person
✕ Non-refundable10 fare options
United Airlines
UA-1958
17:55
05/11/2026
DEN
Denver International Airport
3h 36m
Non-stop
21:31
05/11/2026
IAH
George Bush Intercontinental Houston Airport
₹14,012
per person
✕ Non-refundable10 fare options
😕 No flights match your filters.
Denver (DEN)
📍 Denver International Airport
🌍 United States
🕐 GMT -7
📐 Latitude: 39.861698150635
📐 Longitude: -104.672996521
Houston (IAH)
📍 George Bush Intercontinental Houston Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 29.984399795532227
📐 Longitude: -95.34140014648438
✈ Distance: Denver,USA to Houston, TX,USA — 1387.49 km
📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.
Denver to Houston — what to expect when booking
The DEN–IAH route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Denver,USA and Houston, TX,USA is approximately
1387.49 km.
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❓ Frequently asked questions — Denver to Houston flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Denver,USA (DEN) and Houston, TX,USA (IAH) is approximately 1387.49 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.