Home >> Fares From A City >> Denver, CO >> Denver, CO (DEN) To Houston, TX (IAH)
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    Thu, November 26, 2015
    Wed, December 02, 2015
    Thu, December 17, 2015
Peter T.
Staff Airfare Analyst
Peter's Notes:
No min. stay. 50% Off Promo Code Fare; Travel through mid-December. Fare can be bought one-way for half the lowest roundtrip price.

Book this fare on FlyFrontier.com using promo code THANKYOU for travel between Dec. 2 - 17, 2015.

This is the lowest non-member fare found within the promo code travel period and may not be available throughout the entire travel period or on a daily basis. Lower fares may be available for Frontier Discount Den members.

Promo code takes 50% off the base fare and expires at 11:59 pm ET on Nov. 26, 2015. However, the lowest available fare can change at any time.

Frontier charges a $30-$35 fee each way for carry-on bags larger than 18x14x8 inches and a $25-$30 fee each way for 1st checked bag no larger than 62 linear inches (length + width + depth) and no heavier than 50 pounds. These bag fees apply to online purchases before check-in. Higher fees apply at the airport.

During booking on FlyFrontier.com, you can purchase "The Works", which includes one checked bag, one carry-on bag, stretch seating, no change fees, and refundability, for much less than purchasing these items separately.

Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.

All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included. Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.

More Details
Close Details
Reviews for Denver to Houston
9 Traveler Reviews
"Bait and Switch Planes"
Flight from Denver to Houston
Airline: Continental
RT/OW: roundtrip
Date of Flight: April 2011
Seat Class: economy
Check-in Experience
In-flight Service
Seat Comfort
Continental and United seem to be in a customer service war with consumers. Both flights - outbound and incoming - were originally booked with larger planes, then switched out at the last minute to a smaller one. The outbound plane lost 21 seats - so even though I'm a premium rated flier and had booked a month in advance, I was one of the unlucky people without a seat when I got to the airport. I had checked in the night before and my boarding pass listed a plane seat that didn't exist on the new, smaller plane. Eventually, they found a middle seat for me. But, of course, the Continental planes aren't equipped with Economy Plus seating - so I was squashed between two huge men hogging the arm rests, etc the entire 3 hours on the plane. The story was repeated one the return flight, although I got a window seat this time, instead of my booked aisle seat!
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Flight from Denver to Houston (DEN - IAH)
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Flight from Denver to Houston (DEN - IAH)
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There are approximately 319 flights covering the route from Denver International Airport in Denver to George Bush Intercontinental Airport in Houston, provided by as many as 6 airlines.
The following airlines often offer cheap flights from Denver to Houston
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