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St. Louis Lambert International Airport to Idaho Falls flight
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Cheap Flights from St. Louis Lambert International Airport to Idaho Falls

Search for flights from St. Louis Lambert International Airport to Idaho Falls and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL20:04
        19h 48m
        2 stops
        IDA14:52
        St. Louis - Idaho Falls|Mon, Jun 3|Frontier Airlines
        S$ 299S$ 777
        62% OFF
        62% OFF
        S$ 777S$ 299
      • STL14:28
        4h 49m
        1 stop
        IDA18:17
        St. Louis - Idaho Falls|Mon, Jun 3|Delta Air Lines
        S$ 345S$ 777
        56% OFF
        56% OFF
        S$ 777S$ 345
      • STL22:44
        11h 56m
        1 stop
        IDA09:40
        St. Louis - Idaho Falls|Tue, Jun 4|Frontier Airlines
        S$ 372S$ 777
        52% OFF
        52% OFF
        S$ 777S$ 372
      • STL07:00
        8h 52m
        1 stop
        IDA14:52
        St. Louis - Idaho Falls|Mon, Jun 3|Alaska Airlines
        S$ 382
        S$ 382
      • STL07:55
        5h 33m
        1 stop
        IDA12:28
        St. Louis - Idaho Falls|Tue, Jun 4|Delta Air Lines
        S$ 437
        S$ 437
      • STL07:00
        8h 52m
        1 stop
        IDA14:52
        St. Louis - Idaho Falls|Tue, Jun 4|Alaska Airlines
        S$ 440
        S$ 440
      • STL16:45
        5h 23m
        1 stop
        IDA21:08
        St. Louis - Idaho Falls|Tue, Jun 4|United Airlines
        S$ 484
        S$ 484
      • STL17:31
        17h 9m
        2 stops
        IDA09:40
        St. Louis - Idaho Falls|Mon, Jun 3|United Airlines
        S$ 514
        S$ 514
      • STL05:21
        8h 23m
        1 stop
        IDA12:44
        St. Louis - Idaho Falls|Tue, Jun 4|American Airlines
        S$ 532
        S$ 532
      • STL05:21
        8h 23m
        1 stop
        IDA12:44
        St. Louis - Idaho Falls|Mon, Jun 3|American Airlines
        S$ 568
        S$ 568
      • STL13:00
        3h 5m
        Direct
        IDA14:00
        St. Louis - Idaho Falls|Sun, Jun 2|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis Lambert International Airport to Idaho Falls

See which airlines fly from St. Louis Lambert International Airport to Idaho Falls. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From S$ 299
Delta Air Lines
From S$ 345
Alaska Airlines
From S$ 382
United Airlines
From S$ 484
American Airlines
From S$ 532
ANA airlines

Find more flights and airlines

Airports in Idaho Falls

Learn about different airports in Idaho Falls, find the best flight and transfer options, and plan your journey.

  • 0.27 km from central Idaho Falls
    Idaho Falls Regional Airport
    Tickets From
    S$ 299
Flight Schedule from St. Louis Lambert International Airport to Idaho Falls

Check the schedule for flights from St. Louis Lambert International Airport to Idaho Falls and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2261

    American Airlines

    05:00

    STL

    1.9h

    06:52

    DFW

    SMTWTFS
    Search

  2. AA3229

    American Airlines

    10:21

    DFW

    3.4h

    12:44

    IDA

    SMTWTFS

  3. DL2217

    Delta Air Lines

    06:11

    STL

    1.6h

    07:45

    MSP

    SMTWTFS
    Search

  4. DL2909

    Delta Air Lines

    08:20

    MSP

    2.8h

    10:07

    SLC

    SMTWTFS

  5. DL4177

    Delta Air Lines

    11:25

    SLC

    1.1h

    12:28

    IDA

    SMTWTFS

  6. AS473

    Alaska Airlines

    07:00

    STL

    4.6h

    09:36

    SEA

    SMTWTFS
    Search

  7. AS2018

    Alaska Airlines

    12:44

    SEA

    1.8h

    15:30

    IDA

    SMTWTFS

  8. DL2874

    Delta Air Lines

    07:55

    STL

    3.2h

    10:07

    SLC

    SMTWTFS
    Search

  9. DL4177

    Delta Air Lines

    11:25

    SLC

    1.1h

    12:28

    IDA

    SMTWTFS

  10. UA1923

    United Airlines

    08:55

    STL

    2.5h

    10:22

    DEN

    SMTWTFS
    Search

  11. UA5322

    United Airlines

    15:34

    DEN

    1.7h

    17:14

    IDA

    SMTWTFS

  12. UA1923

    United Airlines

    08:55

    STL

    2.5h

    10:22

    DEN

    SMTWTFS
    Search

  13. UA5950

    United Airlines

    11:40

    DEN

    1.8h

    13:27

    IDA

    SMTWTFS

  14. DL1309

    Delta Air Lines

    14:28

    STL

    3.1h

    16:34

    SLC

    S--WT--
    Search

  15. DL3717

    Delta Air Lines

    17:15

    SLC

    1.0h

    18:17

    IDA

    SMTWT--

  16. AS388

    Alaska Airlines

    14:36

    STL

    4.2h

    16:49

    SEA

    SMTWTFS
    Search

  17. AS2163

    Alaska Airlines

    21:15

    SEA

    1.7h

    23:57

    IDA

    SMTWTFS

  18. UA1646

    United Airlines

    16:45

    STL

    2.5h

    18:12

    DEN

    SMTWTFS
    Search

  19. UA5263

    United Airlines

    19:35

    DEN

    1.8h

    21:23

    IDA

    SMTWTFS

  20. F94477

    Frontier Airlines

    22:32

    STL

    2.5h

    00:01

    DEN

    -M-W--S
    Search

  21. UA5374

    United Airlines

    08:10

    DEN

    1.7h

    09:54

    IDA

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from St. Louis Lambert International Airport to Idaho Falls

Cheapest direct flight price

S$ 345

Cheapest month

May

Peak season for travel

November

FAQs for St. Louis Lambert International Airport to Idaho Falls Flights

  • How many airports in Idaho Falls?

    There are 1 airports near Idaho Falls: Idaho Falls Regional Airport.

  • What is the transportation method from the main airport to downtown in Idaho Falls?

    • The distance from Idaho Falls Regional Airport to downtown is about 3km, by taxi about 20 minutes.

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