St. Louis to Las Vegas: what the flight costs
In the last 60 days we checked this route 8 times. The typical return was £329 per person and the lowest £303, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £303 |
| Typical (median) | £329 |
| Price checks, 60 days | 8 |
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Trips we picked on this route
Just found · from St. Louis
Las Vegas
23 – 25 Oct 2026 · 2 nights
- Nonstop on Frontier, 3h 45m
- Highs 74–80°F, little rain expected
- No passport needed
£1,010 for two · 2 nights · flights, hotel, taxes & fees
Flights £642 + hotel £368, taxes in · a checked bag each adds about £181
Frontier · nonstop · 3h 45m
The catch: The best-value hotel is rated 7.7; a better one costs more.
Worth it if you want late nights and a crowd; skip it if you want to sleep.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 12 Oct 2026 | 23 – 25 Oct 2026 | £359 | F9 | with a stop | 26h 43m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £321 | Frontier | nonstop | 3h 45m | Google Flights |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £368 | F9 | with a stop | 10h 52m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £336 | F9 | nonstop | 3h 45m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £364 | F9 | with a stop | 7h 36m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £319 | F9 | with a stop | 26h 43m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £303 | Frontier | nonstop | 3h 45m | Google Flights |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £314 | 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 return from St. Louis to Las Vegas usually cost?
Over the last 60 days the typical price we found was £329 per person, taxes and fees included, across 8 checks; the lowest was £303.
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 passport needed for travellers from the United States: a government photo ID is enough for Las Vegas.
Prices converted from US dollars at the rate of 15 Oct 2026.