LAS to STL from $197 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Delta Air Lines

DLDelta Air Lines

Round Trip•Economy

Harry Reid International Airport

Las Vegas, United States

Lambert-Saint Louis International Airport

St. Louis, United States

$451 USD

-56%$197 USD

Verified about 9 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$503 1$394 2$387 3$394 4$433 5$394 6$494 7$394 8$399 9$387 10$394 11$433 12$394 13$488 14$440 15$394 16$387 17$394 18$440 19$440 20$474 21$440 22$479 23$463 24$394 25$433 26$440 27$523 28$434 29$394 30$387 31$394 1$433 2$513 3$640

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Sunday, December 6th, 2026

3 round-trip options

Returning

Fri, Dec 11, 2026•5 Day Trip

$533 USD

Returning

Thu, Dec 17, 2026•11 Day Trip

$494 USD

Returning

Fri, Dec 18, 2026•12 Day Trip

$549 USD