Flights Houston → Knoxville/Maryville
As of September 2026, economy flights from Houston to Knoxville/Maryville have a typical range USD 272–335, median USD 321. Full range across all 102 offers: USD 142–338. We analyzed 102 offers from 4 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Houston → Knoxville/Maryville
Based on 102 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Houston → Knoxville/Maryville
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Allegiant Air | — | — | — |
| Southwest Airlines | Included | Included | — |
| Southwest | — | USD 90 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Houston to Knoxville/Maryville cost?
Based on 102 offers · September 2026
Houston to Knoxville/Maryville flights ranged from USD 142 to USD 338 across 102 offers analyzed in September 2026. The chart below shows how prices distributed across all 102 offers.
These 102 offers (September 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 300 and USD 321
What hidden fees do Houston to Knoxville/Maryville flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Houston to Knoxville/Maryville routes. The breakdown below is based on 102 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| G4 | 12 | 5% |
| WN | 0 | 0% |
| Southwest | 90 | 29% |
Southwest: base ~USD 231 + fees USD 90 = ~USD 321 total. Allegiant Air: base ~USD 251 + fees USD 12 = ~USD 263 total.
Total costs diverge further when fees are added on this route. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Houston to Knoxville/Maryville?
4 airlines flew Houston to Knoxville/Maryville in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Allegiant | 1 | — | 142 | n/a |
 Allegiant Air | 4 | 177–295 | 263 | 12 (5%) |
 Southwest Airlines | 49 | 281–338 | 306 | 0 (0%) |
 Southwest | 48 | 272–321 | 321 | 90 (28%) |
Where do the best Houston → Knoxville/Maryville prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Houston to Knoxville/Maryville flights
- Houston–Knoxville/Maryville had 102 offers analyzed. Median price: USD 321.
- Southwest charges 7.5x more in ancillary fees than G4 — USD 90 vs USD 12 avg per booking.
- The same route priced USD 179 apart depending on where it was booked — the lowest median was USD 142. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Houston to Knoxville/Maryville cost?
- Based on 102 offers analyzed, Houston to Knoxville/Maryville flights range from USD 142 to USD 338, with a median price of USD 321. Search for your specific dates →
- What hidden fees should I expect on Houston to Knoxville/Maryville flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on Houston to Knoxville/Maryville flights. See itemized fees for your itinerary →
- Which airline is cheapest on Houston to Knoxville/Maryville including all fees?
- Allegiant has the lowest median fare on Houston to Knoxville/Maryville at USD 142 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Houston–Knoxville/Maryville flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 142. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Houston to Knoxville/Maryville routes?
- Houston to Knoxville/Maryville has 4 airlines competing, creating a price range from USD 142 to USD 338 across 102 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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