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Flights from St. Louis to Billings

Airlines operating flights from St. Louis to Billings

Choose from 0 carriers that fly from St. Louis to Billings, including , Enjoy the cheapest tickets on this route with Delta Air Lines.

Find the cheapest flights from St. Louis to Billings within the next three months. Book one-way flights from SEK 1,550 or return tickets from SEK 4,100.

      • STL 12:49
        11h 59m
        1 stop
        BIL 23:48
        St. Louis - Billings | Tue, Dec 2 | Delta Air Lines
        BIL 05:14
        7h 16m
        1 stop
        STL 13:30
        Billings - St. Louis | Sun, Dec 7 | Delta Air Lines
        SEK 4,100 SEK 5,975
        31% OFF
        31% OFF
        SEK 5,975 SEK 4,100
      • STL 19:47
        5h 23m
        1 stop
        BIL 00:10
        St. Louis - Billings | Wed, Nov 26 | Delta Air Lines
        BIL 06:25
        15h 57m
        1 stop
        STL 23:22
        Billings - St. Louis | Sat, Nov 29 | Delta Air Lines
        SEK 4,698 SEK 5,975
        21% OFF
        21% OFF
        SEK 5,975 SEK 4,698
      • STL 06:15
        5h 52m
        1 stop
        BIL 11:07
        St. Louis - Billings | Thu, Dec 4 | Delta Air Lines
        BIL 05:14
        7h 16m
        1 stop
        STL 13:30
        Billings - St. Louis | Mon, Dec 8 | Delta Air Lines
        SEK 4,731 SEK 5,975
        21% OFF
        21% OFF
        SEK 5,975 SEK 4,731
      • STL 13:35
        21h 11m
        1 stop
        BIL 09:46
        St. Louis - Billings | Tue, Dec 2 | United Airlines
        BIL 17:54
        26h 3m
        1 stop
        STL 20:57
        Billings - St. Louis | Sun, Dec 7 | United Airlines
        SEK 4,845
        19% OFF
        SEK 5,975 SEK 4,845
      • STL 06:00
        18h 24m
        1 stop
        BIL 23:24
        St. Louis - Billings | Sun, Nov 30 | Delta Air Lines
        BIL 06:25
        4h 49m
        1 stop
        STL 12:14
        Billings - St. Louis | Sat, Dec 6 | Delta Air Lines
        SEK 5,007
        16% OFF
        SEK 5,975 SEK 5,007
      • STL 16:43
        5h 35m
        1 stop
        BIL 21:18
        St. Louis - Billings | Wed, Nov 26 | United Airlines
        BIL 17:57
        4h 47m
        1 stop
        STL 23:44
        Billings - St. Louis | Sat, Nov 29 | United Airlines
        SEK 5,059
        15% OFF
        SEK 5,975 SEK 5,059
      • STL 09:00
        5h 18m
        1 stop
        BIL 13:18
        St. Louis - Billings | Sat, Dec 6 | United Airlines
        BIL 07:00
        4h 39m
        1 stop
        STL 12:39
        Billings - St. Louis | Wed, Dec 10 | United Airlines
        SEK 5,109
        14% OFF
        SEK 5,975 SEK 5,109
      • STL 09:00
        5h 18m
        1 stop
        BIL 13:18
        St. Louis - Billings | Thu, Dec 4 | United Airlines
        BIL 14:40
        5h 17m
        1 stop
        STL 20:57
        Billings - St. Louis | Mon, Dec 8 | United Airlines
        SEK 5,448
        9% OFF
        SEK 5,975 SEK 5,448
      • STL 13:16
        9h 18m
        1 stop
        BIL 21:34
        St. Louis - Billings | Thu, Dec 4 | Frontier Airlines
        BIL 07:00
        4h 39m
        1 stop
        STL 12:39
        Billings - St. Louis | Mon, Dec 8 | United Airlines
        SEK 5,480
        8% OFF
        SEK 5,975 SEK 5,480
      • STL 16:43
        7h 7m
        1 stop
        BIL 22:50
        St. Louis - Billings | Fri, Nov 28 | United Airlines
        BIL 07:00
        4h 39m
        1 stop
        STL 12:39
        Billings - St. Louis | Tue, Dec 2 | United Airlines
        SEK 5,557
        7% OFF
        SEK 5,975 SEK 5,557
      • STL 13:00
        17h 25m
        1 stop
        BIL Invalid Date
        St. Louis - Billings | Thu, Nov 27 | Normal Airline
        BIL 15:00
        6h
        Direct
        STL 16:00
        Billings - St. Louis | Sat, Nov 29 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight details for St. Louis to Billings

The distance between St. Louis and Billings is about 1,704.81 km. The most popular month to Billings is August. The off-season for travel is November.

Cheapest one-way flight priceSEK 1,550
Cheapest round-trip ticket priceSEK 4,100
Off-season for travelNovember
Peak season for travelAugust
Flight distance1,704.81 km

Find the best time to fly from St. Louis to Billings

The cheapest time for St. Louis to Billings flights: Nov 23 to Nov 30 — one way flight prices from SEK 1,550.

Cheapest flights
From price
Search
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Flight FAQs

  • What are the cheapest flights from St. Louis to Billings (STL-BIL)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as SEK 1,550 on Cheapest nonstop routes (e.g. STL to BIL on Thu, Nov 27), while Delta Air Lines offers Cheapest nonstop round-trips from SEK 4,100 departing on Tue, Dec 2 and returning on Sun, Dec 7.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis to Billings is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from St. Louis to Billings, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Nov 27, with one-way flights priced at just SEK 1,550.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Billings travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Billings is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from St. Louis to Billings on November 26, 2025 with Delta Air Lines, with prices starting at SEK 4,697.
  • The time difference between Billings and St. Louis is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled 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 check the customer support pages.