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

Search for flights from Idaho Falls Regional Airport to St. Louis 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
      • IDA19:00
        13h 23m
        2 stops
        STL09:23
        Idaho Falls - St. Louis|Mon, Jun 10|Delta Air Lines
        €295€490
        40% OFF
        40% OFF
        €490€295
      • IDA17:56
        25h 53m
        1 stop
        STL20:49
        Idaho Falls - St. Louis|Mon, Jun 10|United Airlines
        €328€490
        33% OFF
        33% OFF
        €490€328
      • IDA15:32
        7h 27m
        1 stop
        STL23:59
        Idaho Falls - St. Louis|Mon, Jun 10|Alaska Airlines
        €331€490
        32% OFF
        32% OFF
        €490€331
      • IDA19:00
        4h 46m
        1 stop
        STL00:46
        Idaho Falls - St. Louis|Sun, May 19|Delta Air Lines
        €378
        €378
      • IDA06:00
        6h 36m
        1 stop
        STL13:36
        Idaho Falls - St. Louis|Sun, May 19|Alaska Airlines
        €379
        €379
      • IDA07:00
        4h 41m
        1 stop
        STL12:41
        Idaho Falls - St. Louis|Sun, May 19|United Airlines
        €383
        €383
      • IDA07:00
        6h 13m
        1 stop
        STL14:13
        Idaho Falls - St. Louis|Sun, May 19|American Airlines
        €393
        €393
      • IDA13:43
        8h 14m
        1 stop
        STL22:57
        Idaho Falls - St. Louis|Mon, Jun 10|American Airlines
        €461
        €461
      • IDA13:00
        3h 5m
        Direct
        STL14:00
        Idaho Falls - St. Louis|Fri, May 24|Delta Air Lines
        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 Idaho Falls Regional Airport to St. Louis

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

Delta Air Lines
From €295
United Airlines
From €328
Alaska Airlines
From €331
American Airlines
From €393
ANA airlines
Find more flights and airlines

There are 1 airport(s) in St. Louis. Discover the top routes now!

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

  • 21.12 km from downtown St. Louis
    St. Louis Lambert International Airport
    Tickets From
    €295
Flight Schedule from Idaho Falls Regional Airport to St. Louis

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL3884

    Delta Air Lines

    06:00

    IDA

    1.0h

    07:01

    SLC

    SMTWTFS
    Search

  2. DL1383

    Delta Air Lines

    08:20

    SLC

    2.6h

    11:56

    MSP

    SMTWTFS

  3. DL2596

    Delta Air Lines

    12:45

    MSP

    1.5h

    14:15

    STL

    SMTWTFS

  4. AS2162

    Alaska Airlines

    06:00

    IDA

    1.8h

    06:49

    SEA

    SMTWTFS
    Search

  5. AS388

    Alaska Airlines

    07:30

    SEA

    3.8h

    13:20

    STL

    SMTWTFS

  6. DL3884

    Delta Air Lines

    06:00

    IDA

    1.0h

    07:01

    SLC

    SMTWTFS
    Search

  7. DL1309

    Delta Air Lines

    09:43

    SLC

    2.8h

    13:32

    STL

    SMTWTFS

  8. AA3153

    American Airlines

    06:38

    IDA

    3.0h

    10:36

    DFW

    SMTWTFS
    Search

  9. AA3855

    American Airlines

    12:23

    DFW

    1.8h

    14:13

    STL

    SMTWTFS

  10. UA4706

    United Airlines

    07:05

    IDA

    1.8h

    08:54

    DEN

    SMTWTFS
    Search

  11. UA652

    United Airlines

    09:43

    DEN

    2.1h

    12:49

    STL

    SMTWTFS

  12. UA5791

    United Airlines

    10:45

    IDA

    1.9h

    12:41

    DEN

    SMT-TFS
    Search

  13. UA1315

    United Airlines

    13:42

    DEN

    2.1h

    16:48

    STL

    SMTWTFS

  14. DL4177

    Delta Air Lines

    13:31

    IDA

    1.1h

    14:35

    SLC

    SMTWTFS
    Search

  15. DL1394

    Delta Air Lines

    20:55

    SLC

    2.9h

    00:46

    STL

    SMTWTFS

  16. UA5929

    United Airlines

    14:35

    IDA

    1.8h

    16:23

    DEN

    SMTWTFS
    Search

  17. UA1565

    United Airlines

    17:40

    DEN

    2.1h

    20:49

    STL

    ---W---

  18. AS2010

    Alaska Airlines

    16:02

    IDA

    1.9h

    16:58

    SEA

    SMTWTFS
    Search

  19. AS472

    Alaska Airlines

    18:10

    SEA

    3.8h

    23:59

    STL

    SMTWTFS

  20. DL3717

    Delta Air Lines

    19:00

    IDA

    1.1h

    20:04

    SLC

    SMTWT-S
    Search

  21. DL1394

    Delta Air Lines

    20:55

    SLC

    2.9h

    00:46

    STL

    SMTWTFS
Find more flights and airlines

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

Cheapest nonstop flight price

€328

Off-season for travel

April

Peak season for travel

February

FAQs for Idaho Falls Regional Airport to St. Louis Flights

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

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