Trip.com
>
Cheap Flights
>
United States
>
Las Vegas
>
St. Louis to Las Vegas flight
>
St. Louis Lambert International Airport to Harry Reid International Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Harry Reid International Airport over the next 90 days, with one-way fares from €70 and round-trip from €164. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Sat, Nov 14 | Frontier Airlines
      LAS 07:15
      3h 18m
      Direct
      STL 12:33
      Las Vegas - St. Louis | Fri, Nov 20 | Frontier Airlines
      €179 €251
      28% off
      28% off
      €251 €179
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Tue, Nov 10 | Frontier Airlines
      LAS 07:15
      3h 18m
      Direct
      STL 12:33
      Las Vegas - St. Louis | Fri, Nov 13 | Frontier Airlines
      €214 €251
      15% off
      15% off
      €251 €214
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Tue, Nov 3 | Frontier Airlines
      LAS 07:15
      3h 18m
      Direct
      STL 12:33
      Las Vegas - St. Louis | Sat, Nov 7 | Frontier Airlines
      €218 €251
      13% off
      13% off
      €251 €218
    • STL 19:54
      13h 54m
      1 stop
      LAS 07:48
      St. Louis - Las Vegas | Tue, Dec 8 | Frontier Airlines
      LAS 23:43
      9h 34m
      1 stop
      STL 11:17
      Las Vegas - St. Louis | Fri, Dec 11 | Frontier Airlines
      €164
      35% off
      €251 €164
    • STL 15:04
      7h 47m
      1 stop
      LAS 20:51
      St. Louis - Las Vegas | Tue, Nov 24 | Frontier Airlines
      LAS 10:58
      3h 22m
      Direct
      STL 16:20
      Las Vegas - St. Louis | Fri, Nov 27 | Frontier Airlines
      €181
      28% off
      €251 €181
    • STL 14:47
      3h 52m
      Direct
      LAS 16:39
      St. Louis - Las Vegas | Tue, Dec 15 | Frontier Airlines
      LAS 13:36
      27h 18m
      1 stop
      STL 18:54
      Las Vegas - St. Louis | Sat, Dec 19 | Frontier Airlines
      €189
      25% off
      €251 €189
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Fri, Nov 27 | Frontier Airlines
      LAS 23:43
      9h 34m
      1 stop
      STL 11:17
      Las Vegas - St. Louis | Wed, Dec 2 | Frontier Airlines
      €203
      19% off
      €251 €203
    • STL 12:28
      5h 58m
      1 stop
      LAS 16:26
      St. Louis - Las Vegas | Tue, Nov 24 | Delta Air Lines
      LAS 10:58
      3h 22m
      Direct
      STL 16:20
      Las Vegas - St. Louis | Fri, Nov 27 | Frontier Airlines
      €214
      15% off
      €251 €214
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Wed, Nov 25 | Frontier Airlines
      LAS 08:59
      24h 4m
      1 stop
      STL 11:03
      Las Vegas - St. Louis | Sat, Nov 28 | Frontier Airlines
      €215
      14% off
      €251 €215
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      LAS 15:00
      6h
      Direct
      STL 16:00
      Las Vegas - St. Louis | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      STL 19:54
      5h 56m
      1 stop
      LAS 23:50
      St. Louis - Las Vegas | Thu, Dec 10 | Frontier Airlines
      €70 €114
      39% off
      39% off
      €114 €70
    • Cheapest
      STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Dec 1 | Frontier Airlines
      €70 €114
      39% off
      39% off
      €114 €70
    • STL 19:59
      5h 44m
      1 stop
      LAS 23:43
      St. Louis - Las Vegas | Thu, Nov 19 | Frontier Airlines
      €71 €114
      38% off
      38% off
      €114 €71
    • STL 19:54
      5h 56m
      1 stop
      LAS 23:50
      St. Louis - Las Vegas | Thu, Dec 17 | Frontier Airlines
      €71
      38% off
      €114 €71
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Sun, Nov 29 | Frontier Airlines
      €75
      34% off
      €114 €75
    • STL 17:37
      3h 51m
      Direct
      LAS 19:28
      St. Louis - Las Vegas | Tue, Dec 29 | Frontier Airlines
      €79
      31% off
      €114 €79
    • STL 18:44
      19h 28m
      1 stop
      LAS 12:12
      St. Louis - Las Vegas | Sat, Nov 14 | Frontier Airlines
      €95
      17% off
      €114 €95
    • STL 18:44
      19h 28m
      1 stop
      LAS 12:12
      St. Louis - Las Vegas | Sat, Nov 7 | Frontier Airlines
      €95
      17% off
      €114 €95
    • STL 12:02
      10h 24m
      1 stop
      LAS 20:26
      St. Louis - Las Vegas | Mon, Dec 7 | Frontier Airlines
      €98
      14% off
      €114 €98
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Thu, Dec 31 | Frontier Airlines
      €107 €248
      56% off
      56% off
      €248 €107
    • STL 17:59
      3h 50m
      Direct
      LAS 19:49
      St. Louis - Las Vegas | Thu, Jan 7 | Frontier Airlines
      €107 €248
      56% off
      56% off
      €248 €107
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Thu, Dec 24 | Frontier Airlines
      €107 €248
      56% off
      56% off
      €248 €107
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Thu, Nov 26 | Frontier Airlines
      €107
      56% off
      €248 €107
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Nov 24 | Frontier Airlines
      €107
      56% off
      €248 €107
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Sun, Dec 20 | Frontier Airlines
      €130
      48% off
      €248 €130
    • STL 14:47
      3h 36m
      Direct
      LAS 16:23
      St. Louis - Las Vegas | Thu, Dec 3 | Frontier Airlines
      €130
      48% off
      €248 €130
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Sat, Jan 2 | Frontier Airlines
      €169
      32% off
      €248 €169
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Sun, Jan 3 | Frontier Airlines
      €177
      28% off
      €248 €177
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Dec 1 | Frontier Airlines
      €70 €114
      39% off
      39% off
      €114 €70
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Sun, Nov 29 | Frontier Airlines
      €75 €114
      34% off
      34% off
      €114 €75
    • STL 17:37
      3h 51m
      Direct
      LAS 19:28
      St. Louis - Las Vegas | Tue, Dec 29 | Frontier Airlines
      €79 €114
      31% off
      31% off
      €114 €79
    • STL 17:59
      3h 50m
      Direct
      LAS 19:49
      St. Louis - Las Vegas | Thu, Jan 7 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Thu, Dec 24 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Thu, Dec 31 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Thu, Nov 26 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Nov 24 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 15:52
      3h 50m
      Direct
      LAS 17:42
      St. Louis - Las Vegas | Sun, Dec 20 | Frontier Airlines
      €130
      43% off
      €230 €130
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Sun, Nov 8 | Frontier Airlines
      €200 €603
      67% off
      67% off
      €603 €200
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Fri, Nov 6 | Frontier Airlines
      €253 €603
      57% off
      57% off
      €603 €253
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Thu, Nov 5 | Frontier Airlines
      €284 €603
      53% off
      53% off
      €603 €284
    • STL 19:59
      5h 44m
      1 stop
      LAS 23:43
      St. Louis - Las Vegas | Mon, Nov 2 | Frontier Airlines
      €99
      84% off
      €603 €99
    • STL 19:59
      5h 44m
      1 stop
      LAS 23:43
      St. Louis - Las Vegas | Sat, Nov 7 | Frontier Airlines
      €145
      76% off
      €603 €145
    • STL 19:59
      5h 44m
      1 stop
      LAS 23:43
      St. Louis - Las Vegas | Fri, Nov 6 | Frontier Airlines
      €220
      64% off
      €603 €220
    • STL 14:38
      7h 5m
      1 stop
      LAS 19:43
      St. Louis - Las Vegas | Sun, Nov 8 | Delta Air Lines
      €470
      22% off
      €603 €470
    • STL 15:35
      6h 5m
      1 stop
      LAS 19:40
      St. Louis - Las Vegas | Sat, Nov 7 | Delta Air Lines
      €471
      22% off
      €603 €471
    • STL 14:28
      6h 17m
      1 stop
      LAS 18:45
      St. Louis - Las Vegas | Tue, Nov 3 | American Airlines
      €522
      13% off
      €603 €522
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • STL 14:47
      3h 36m
      Direct
      LAS 16:23
      St. Louis - Las Vegas | Thu, Dec 3 | Frontier Airlines
      €130 €230
      43% off
      43% off
      €230 €130
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Dec 1 | Frontier Airlines
      €70 €114
      39% off
      39% off
      €114 €70
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Sun, Nov 29 | Frontier Airlines
      €75 €114
      34% off
      34% off
      €114 €75
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Thu, Nov 26 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Tue, Nov 24 | Frontier Airlines
      €107
      53% off
      €230 €107
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Sun, Nov 8 | Frontier Airlines
      €200
      13% off
      €230 €200
    • STL 17:15
      3h 44m
      Direct
      LAS 18:59
      St. Louis - Las Vegas | Sat, Nov 28 | Frontier Airlines
      €204
      11% off
      €230 €204
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Sun, Nov 15 | Frontier Airlines
      €217
      64% off
      €598 €217
    • STL 13:28
      3h 44m
      Direct
      LAS 15:12
      St. Louis - Las Vegas | Thu, Nov 5 | Frontier Airlines
      €284
      53% off
      €598 €284
    • STL 13:00
      17h 25m
      1 stop
      LAS 14:00
      St. Louis - Las Vegas | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from St. Louis to Las Vegas are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from St. Louis Lambert International Airport to Harry Reid International Airport

What is the cheapest month to fly from St. Louis Lambert International Airport to Harry Reid International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from St. Louis Lambert International Airport to Harry Reid International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from St. Louis Lambert International Airport to Harry Reid International Airport are usually in February, with an average price of €36. It is best to avoid August, when the average price can reach €296.

€296
€166
€36
0
    Cheapest
  • €258
    Oct
  • €204
    Nov
  • €156
    Dec
  • €233
    Jan
  • €36
    Feb
  • €98
    Mar
  • €194
    Apr
  • €245
    May
  • €159
    Jun
  • €272
    Jul
  • €296
    Aug
  • €226
    Sep

What is the cheapest day of the week to fly from St. Louis Lambert International Airport to Harry Reid International Airport?

The data is based on the past 12 months and shows the average ticket prices from St. Louis Lambert International Airport to Harry Reid International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from St. Louis Lambert International Airport to Harry Reid International Airport is Friday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

€248
€206
€163
€121
    Cheapest
  • €171
    Mon
  • €240
    Tue
  • €191
    Wed
  • €194
    Thu
  • €163
    Fri
  • €248
    Sat
  • €181
    Sun

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Harry Reid International Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Harry Reid International Airport is Alaska Airlines (from €62) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From €62
Frontier Airlines
From €70
American Airlines
From €139
Hahn Air
From €145
Delta Air Lines
From €163
United Airlines
From €183

Find more flights and airlines

What is the flight schedule from St. Louis Lambert International Airport to Harry Reid International Airport?

Check the schedule for flights from St. Louis to Las Vegas and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93107

    St. Louis Lambert International Airport

    14:02

    STL

    3h 36m

    15:38

    LAS

    S - - W T - S
    Search

  2. F94567

    St. Louis Lambert International Airport

    16:21

    STL

    2h 31m

    Direct

    17:52

    DEN

    S - T - T F -
    Search

  3. F9777

    Denver International Airport

    22:44

    DEN

    2h

    Direct

    23:44

    LAS

    S M T W T F S

  4. F91523

    St. Louis Lambert International Airport

    09:09

    STL

    2h 4m

    Direct

    11:13

    DFW

    S - - W T - S
    Search

  5. F91051

    Dallas Fort Worth International Airport

    12:00

    DFW

    3h 12m

    Direct

    13:12

    LAS

    S M T W T F S

  6. AS615

    St. Louis Lambert International Airport

    06:00

    STL

    4h 36m

    Direct

    08:36

    SEA

    S M T W T F S
    Search

  7. AS092

    Seattle-Tacoma International Airport

    10:55

    SEA

    2h 31m

    Direct

    13:26

    LAS

    S M T W T F S

  8. F94474

    St. Louis Lambert International Airport

    18:21

    STL

    1h 58m

    Direct

    21:19

    ATL

    S - T - T - -
    Search

  9. F93923

    Hartsfield–Jackson Atlanta International Airport

    21:32

    ATL

    4h 36m

    Direct

    23:08

    LAS

    S M T W T F S

  10. F94567

    St. Louis Lambert International Airport

    16:21

    STL

    2h 31m

    Direct

    17:52

    DEN

    S - T - T F -
    Search

  11. F92015

    Denver International Airport

    07:07

    DEN

    2h 5m

    Direct

    08:12

    LAS

    - - - - - F -

  12. F92636

    St. Louis Lambert International Airport

    17:58

    STL

    2h 25m

    Direct

    21:23

    MCO

    S - - W T F S
    Search

  13. F91875

    Orlando International Airport

    11:30

    MCO

    5h 13m

    Direct

    13:43

    LAS

    S M T W T F S

  14. F94474

    St. Louis Lambert International Airport

    18:21

    STL

    1h 58m

    Direct

    21:19

    ATL

    S - T - T - -
    Search

  15. F94891

    Hartsfield–Jackson Atlanta International Airport

    10:29

    ATL

    4h 43m

    Direct

    12:12

    LAS

    S M T W T F S
Find more flights and airlines

About St. Louis Lambert International Airport and Harry Reid International Airport

Learn about St. Louis Lambert International Airport (STL) and Harry Reid International Airport (LAS) — including location, terminals, transportation, and travel tips.

Flight distance 2,204.29km
Cheapest one-way ticket price €70
Cheapest return ticket price €164

FAQs for St. Louis Lambert International Airport to Harry Reid International Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to Harry Reid International Airport?

    St. Louis Lambert International Airport to Harry Reid International Airport takes about 3 hours 34 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS).
  • The earliest flight from St. Louis Lambert International Airport to Harry Reid International Airport departs at 05:20, and the last departs at 21:45, with about 17 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to Harry Reid International Airport (LAS) is quite popular. Without considering departure times or holidays, tickets cost around €260 in November, the most expensive month to book this route.
  • Frontier Airlines is a very popular airline operating an average of 2425 flights per month.
  • One-way flights from St. Louis Lambert International Airport to Harry Reid International Airport currently start from €70, and round-trip fares start from €164. The current lowest fare is a Frontier Airlines flight departing on Thu, Dec 10; prices may vary depending on availability.
  • Yes. Frontier Airlines operate direct flights from St. Louis Lambert International Airport to Harry Reid International Airport, with an average flight time of 3 hours 32 minutes, and around 49 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Harry Reid International Airport is €258. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from St. Louis Lambert International Airport to Harry Reid International Airport, with one-way fares starting from €70. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • St. Louis Lambert International Airport to Harry Reid International Airport operates around 49 weekly flights, mainly by Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Harry Reid International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.