St. Louis to Las Vegas: what the flight costs
In the last 60 days we checked this route 8 times. The typical round trip was $436 per person and the lowest $402, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | $402 |
| Typical (median) | $436 |
| Price checks, 60 days | 8 |
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Trips we picked on this route
$426 per person, round trip, taxes and fees included
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| Oct 12, 2026 | Oct 23–25, 2026 | $476 | F9 | with a stop | 26h 43m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $426 | Frontier | nonstop | 3h 45m | Google Flights |
| Oct 12, 2026 | Oct 16–18, 2026 | $488 | F9 | with a stop | 10h 52m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $446 | F9 | nonstop | 3h 45m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $483 | F9 | with a stop | 7h 36m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $423 | F9 | with a stop | 26h 43m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $402 | Frontier | nonstop | 3h 45m | Google Flights |
| Oct 12, 2026 | Oct 23–25, 2026 | $416 | F9 | nonstop | 3h 45m | Kiwi.com |
About Las Vegas
Las Vegas stacks mega-resorts, celebrity-chef restaurants, residency shows and pool parties on one neon strip, with Red Rock Canyon and the Hoover Dam just outside.
Las Vegas from every city: when to go, where to stay, what to do
Questions about St. Louis to Las Vegas
What does a round trip from St. Louis to Las Vegas usually cost?
Over the last 60 days the typical price we found was $436 per person, taxes and fees included, across 8 checks; the lowest was $402.
When is the best time to fly from St. Louis to Las Vegas?
Las Vegas is at its best in March, April, May, October and November. Avoid July, August: Daily highs above 105°F
Do I need a passport to fly from St. Louis to Las Vegas?
No, a government photo ID is enough for US citizens.