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

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

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • STL20:04
        19h 48m
        2 stops
        IDA14:52
        St. Louis - Idaho Falls|Mon, Jun 3|Frontier Airlines
        $222$489
        55% OFF
        55% OFF
        $489$222
      • STL17:30
        5h 28m
        1 stop
        IDA21:58
        St. Louis - Idaho Falls|Tue, Jun 4|Delta Air Lines
        $230$489
        53% OFF
        53% OFF
        $489$230
      • STL07:00
        8h 52m
        1 stop
        IDA14:52
        St. Louis - Idaho Falls|Tue, Jun 4|Alaska Airlines
        $233$489
        52% OFF
        52% OFF
        $489$233
      • STL22:44
        19h 31m
        1 stop
        IDA17:15
        St. Louis - Idaho Falls|Tue, Jun 4|Frontier Airlines
        $243
        $243
      • STL14:28
        4h 49m
        1 stop
        IDA18:17
        St. Louis - Idaho Falls|Mon, Jun 3|Delta Air Lines
        $256
        $256
      • STL16:51
        5h 16m
        1 stop
        IDA21:07
        St. Louis - Idaho Falls|Thu, May 9|United Airlines
        $269
        $269
      • STL07:00
        8h 52m
        1 stop
        IDA14:52
        St. Louis - Idaho Falls|Mon, Jun 3|Alaska Airlines
        $284
        $284
      • STL14:28
        4h 49m
        1 stop
        IDA18:17
        St. Louis - Idaho Falls|Thu, May 9|Delta Air Lines
        $299
        $299
      • STL07:55
        5h 33m
        1 stop
        IDA12:28
        St. Louis - Idaho Falls|Sun, May 19|Delta Air Lines
        $318
        $318
      • STL08:15
        16h 42m
        2 stops
        IDA23:57
        St. Louis - Idaho Falls|Sun, May 19|Sun Country Airlines
        $322
        $322
      • STL13:00
        3h 5m
        Direct
        IDA14:00
        St. Louis - Idaho Falls|Thu, May 16|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 Regional Airport

See which airlines fly from St. Louis 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 $222
Delta Air Lines
From $230
Alaska Airlines
From $233
United Airlines
From $269
Sun Country Airlines
From $322
American Airlines
From $355
ANA airlines
Find more flights and airlines
Flight Schedule from St. Louis Lambert International Airport to Idaho Falls Regional Airport

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2261

    American Airlines

    05:21

    STL

    1.9h

    07:17

    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

    4.4h

    09:25

    SEA

    SMTWTFS
    Search

  7. AS2018

    Alaska Airlines

    12:40

    SEA

    1.7h

    15:22

    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. AA2897

    American Airlines

    09:43

    STL

    1.9h

    11:38

    DFW

    SMTWTFS
    Search

  11. AA420

    American Airlines

    12:55

    DFW

    2.0h

    13:57

    DEN

    SMTWTFS

  12. UA5322

    United Airlines

    15:35

    DEN

    1.7h

    17:17

    IDA

    SMTWTFS

  13. UA2625

    United Airlines

    14:25

    STL

    2.6h

    16:02

    DEN

    SMTWTFS
    Search

  14. UA5263

    United Airlines

    19:25

    DEN

    1.7h

    21:08

    IDA

    SMTWTFS

  15. DL1309

    Delta Air Lines

    14:28

    STL

    3.1h

    16:34

    SLC

    S--WT-S
    Search

  16. DL3717

    Delta Air Lines

    17:15

    SLC

    1.0h

    18:17

    IDA

    SMTWT-S

  17. AA3855

    American Airlines

    14:43

    STL

    1.9h

    16:40

    DFW

    SMTWTFS
    Search

  18. AA3190

    American Airlines

    19:40

    DFW

    3.0h

    21:43

    IDA

    SMTWTFS

  19. DL2596

    Delta Air Lines

    15:05

    STL

    1.6h

    16:41

    MSP

    SMTWTFS
    Search

  20. DL1174

    Delta Air Lines

    18:15

    MSP

    2.9h

    20:08

    SLC

    SMTWTFS

  21. DL3925

    Delta Air Lines

    21:00

    SLC

    1.0h

    21:58

    IDA

    SMTWTFS

  22. DL1656

    Delta Air Lines

    17:30

    STL

    3.1h

    19:38

    SLC

    -MT--F-
    Search

  23. DL3925

    Delta Air Lines

    21:00

    SLC

    1.0h

    21:58

    IDA

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to Idaho Falls Regional Airport Flights Info

Flight distance1,889.44km
Cheapest one-way ticket price$221
Cheapest return ticket price$481

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

  • 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. It takes about 20 minutes by taxi.

  • What's the closest airport to Idaho Falls Regional Airport (IDA)?

    The closest airport to Idaho Falls Regional Airport (IDA) is Rexburg-Madison County Airport. The distance is around 41km.

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