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Cheap Flights from Houston (IAH) to Chattanooga (CHA)

Compare Houston George Bush Intercntl. to Chattanooga flight deals

Find the cheapest month or even day of the year to fly to Chattanooga

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Flight deals from Houston George Bush Intercntl. to Chattanooga

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to Chattanooga Airport? If you want to travel next month, return fares start from $437. Find the lowest prices on one-way and return tickets right here.
Chattanooga.$437 per passenger.Departing Sat, 15 Aug, returning Mon, 24 Aug.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 15 Aug, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Mon, 24 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $437, select.
Chattanooga.$437 per passenger.Departing Tue, 18 Aug, returning Tue, 1 Sep.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 18 Aug, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Tue, 1 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $437, select.
Chattanooga.$437 per passenger.Departing Wed, 13 Jan, returning Wed, 27 Jan.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 13 Jan, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Wed, 27 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $437, select.
Chattanooga.$437 per passenger.Departing Thu, 10 Sep, returning Sun, 13 Sep.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 10 Sep, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Sun, 13 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $437, select.
Chattanooga.$465 per passenger.Departing Fri, 9 Oct, returning Fri, 16 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Fri, 9 Oct, arriving in Chattanooga.Inbound indirect flight with Delta, departs from Chattanooga on Fri, 16 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $465, select.
Chattanooga.$466 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Fri, 6 Nov, arriving in Chattanooga.Inbound indirect flight with Delta, departs from Chattanooga on Sun, 8 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $466, select.
Chattanooga.$494 per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 8 Oct, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Thu, 15 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $494, select.
Chattanooga.$647 per passenger.Departing Wed, 22 Jul, returning Sun, 26 Jul.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 22 Jul, arriving in Chattanooga.Inbound indirect flight with Allegiant Air, departs from Chattanooga on Sun, 26 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $647, select.
Chattanooga.$653 per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 28 Jul, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Tue, 4 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $653, select.
Chattanooga.$722 per passenger.Departing Fri, 24 Jul, returning Mon, 27 Jul.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 24 Jul, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Mon, 27 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $722, select.
Chattanooga.$753 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 6 Nov, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Sun, 8 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $753, select.
Chattanooga.$902 per passenger.Departing Thu, 24 Dec, returning Sun, 27 Dec.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 24 Dec, arriving in Chattanooga.Inbound direct flight with United departs from Chattanooga on Sun, 27 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $902, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Chattanooga

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Chattanooga flights are currently cheapest in August.
Jul
from $647
Aug
from $437
Sep
from $437
Oct
from $465
Nov
from $466
Dec
from $902
Jan
from $437
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Houston George Bush Intercntl. to Chattanooga

Houston George Bush Intercntl. to Chattanooga: Alternative routes

Compare routes from Houston George Bush Intercntl. to Chattanooga below. You may find an airport to fly into that's cheaper, faster, or easier than Chattanooga.

Chattanooga

10km from central Chattanooga
ClosestCheapest
from $437
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Houston to Chattanooga: Flight information

The things to know before you go.
Cheapest flight found$437
Cheapest month to flySeptember
Average flight time2 hrs, 11 mins
Most popular airlineUnited
Average flights per week31

Finding cheap flights from Houston George Bush Intercntl. to Chattanooga: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Chattanooga is $437. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 11 minutes is the average flight time from Houston George Bush Intercntl. to Chattanooga.
United and SkyWest Airlines fly direct from Houston George Bush Intercntl. to Chattanooga.
As of July 2026, there are 31 flights per week flying from Houston George Bush Intercntl. to Chattanooga.
The cheapest month to fly from Houston George Bush Intercntl. to Chattanooga is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Chattanooga Airport on Thursday, 10 September 2026.
Yes – the average flight time is 2 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chattanooga but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chattanooga is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Chattanooga.

Flying from Houston George Bush Intercntl. Airport (IAH) to Chattanooga Airport (CHA): what you need to know

  • Around 2 hours 5 minutes is how long you can expect to be in the air on a direct flight from Houston George Bush Intercntl. Airport to Chattanooga Airport.

  • You can take your pick of 14 weekly Houston George Bush Intercntl. Airport to Chattanooga Airport flights.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your IAH to CHA flight.

  • Flying during a peak month like July? Public holidays and other high seasons can mean longer lines and delays at airport checkpoints. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • United is your gateway to discovering Chattanooga (and maybe even some other great corners of the United States!). Check out the direct flights from Houston George Bush Intercntl. Airport to Chattanooga Airport offered by this airline.

  • United is the airline most travellers choose to fly with on this route.

  • If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Houston George Bush Intercntl. Airport to Chattanooga Airport. These are the top stopovers between IAH and CHA:

    • Atlanta Hartsfield-Jackson Airport

    • Dallas Fort Worth International Airport

    • Charlotte Douglas Airport

How to find the cheapest flights from Houston George Bush Intercntl. Airport (IAH) to Chattanooga Airport (CHA)

  • $290 is currently the lowest price for a one-way Houston George Bush Intercntl. Airport to Chattanooga Airport flight. Return flights start at $437. These prices can change based on demand.

  • It's a good idea to book in advance if you want to find cheap tickets from IAH to CHA. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Houston George Bush Intercntl. Airport to Chattanooga Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest prices across the month and score a great deal.

  • Cut down on the time spent looking for cheap flights from IAH to CHA by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Discover the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Houston George Bush Intercntl. Airport to Chattanooga Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Houston George Bush Intercntl. Airport (IAH)

Arriving at Chattanooga Airport (CHA)

When to fly to Chattanooga Airport (CHA)

  • October is the busiest month for flights from Houston George Bush Intercntl. Airport to Chattanooga Airport. For a quieter experience, head to Chattanooga in January.

  • Book your flight from Houston George Bush Intercntl. Airport to Chattanooga Airport for July if you want to go to Chattanooga during its warmest month. Expect temperatures of between 17ºC (63ºF) and 31ºC (88ºF).

  • Look for cheap tickets from IAH to CHA in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -5ºC (23ºF) and 10ºC (50ºF) on average.

Explore more of the United States

  • You've done Chattanooga, now it's time to explore other parts of the United States. Travel around 402 kilometres east to Charlotte to tick off its leading attractions. From Bechtler Museum of Modern Art to Discovery Place and NASCAR Hall of Fame, your itinerary will be busy.

  • Around 434 kilometres west of Chattanooga, Memphis is another favourite stop in the United States. Experience this destination's highlights firsthand at Elvis Presley’s Memphis, Graceland and National Civil Rights Museum.

Plan smart, explore more

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Plan the rest of your trip from Houston to Chattanooga

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.