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Flights from St. Louis to Melbourne

Find flight deals from St. Louis to Melbourne for the next 3 months. Book one way flights from $594 or round trip flights from $1,091.

      • STL 8:42 AM
        32h 33m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Wed, Aug 26 | United Airlines
        MEL 10:55 AM
        22h 44m
        1 stop
        STL 6:39 PM
        Melbourne - St. Louis | Wed, Sep 2 | United Airlines
        $1,091 $1,396
        22% off
        22% off
        $1,396 $1,091
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Mon, Aug 3 | United Airlines
        MEL 10:55 AM
        43h 43m
        1 stop
        STL 3:38 PM
        Melbourne - St. Louis | Mon, Aug 10 | United Airlines
        $1,093 $1,396
        22% off
        22% off
        $1,396 $1,093
      • STL 6:00 AM
        33h 45m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Fri, Aug 7 | Qantas Airways
        MEL 9:45 AM
        28h 14m
        1 stop
        STL 10:59 PM
        Melbourne - St. Louis | Fri, Aug 14 | Qantas Airways
        $1,124 $1,396
        19% off
        19% off
        $1,396 $1,124
      • STL 6:37 AM
        33h 8m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Mon, Aug 3 | Qantas Airways
        MEL 9:45 AM
        28h 14m
        1 stop
        STL 10:59 PM
        Melbourne - St. Louis | Mon, Aug 10 | Qantas Airways
        $1,143
        18% off
        $1,396 $1,143
      • STL 6:01 AM
        35h 14m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Fri, Jul 24 | United Airlines
        MEL 10:55 AM
        22h 22m
        1 stop
        STL 6:17 PM
        Melbourne - St. Louis | Mon, Jul 27 | United Airlines
        $1,196
        14% off
        $1,396 $1,196
      • STL 6:01 AM
        35h 14m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Fri, Aug 7 | United Airlines
        MEL 10:55 AM
        43h 43m
        1 stop
        STL 3:38 PM
        Melbourne - St. Louis | Mon, Aug 10 | United Airlines
        $1,208
        13% off
        $1,396 $1,208
      • STL 8:42 AM
        32h 33m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Wed, Aug 12 | United Airlines
        MEL 10:55 AM
        22h 44m
        1 stop
        STL 6:39 PM
        Melbourne - St. Louis | Wed, Aug 19 | United Airlines
        $1,220
        13% off
        $1,396 $1,220
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Thu, Aug 6 | United Airlines
        MEL 10:55 AM
        43h 43m
        1 stop
        STL 3:38 PM
        Melbourne - St. Louis | Thu, Aug 13 | United Airlines
        $1,224
        12% off
        $1,396 $1,224
      • STL 8:42 AM
        32h 33m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Sun, Aug 16 | United Airlines
        MEL 10:55 AM
        43h 43m
        1 stop
        STL 3:38 PM
        Melbourne - St. Louis | Sun, Aug 23 | United Airlines
        $1,228
        12% off
        $1,396 $1,228
      • STL 8:42 AM
        32h 33m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Wed, Aug 19 | United Airlines
        MEL 10:55 AM
        22h 44m
        1 stop
        STL 6:39 PM
        Melbourne - St. Louis | Wed, Aug 26 | United Airlines
        $1,228
        12% off
        $1,396 $1,228
      • STL 1:00 PM
        17h 25m
        1 stop
        MEL 2:00 PM
        St. Louis - Melbourne | Wed, Jul 22 | Normal Airline
        MEL 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Melbourne - St. Louis | Fri, Jul 24 | Normal Airline
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        Find more flights
      • STL 6:00 AM
        33h 45m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Sun, Aug 9 | American Airlines
        $594 $706
        16% off
        16% off
        $706 $594
      • STL 6:00 AM
        33h 45m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Thu, Aug 13 | American Airlines
        $595 $706
        16% off
        16% off
        $706 $595
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Sat, Aug 8 | United Airlines
        $599 $706
        15% off
        15% off
        $706 $599
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Sat, Jul 25 | United Airlines
        $601
        15% off
        $706 $601
      • STL 6:00 AM
        33h 45m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Sun, Aug 9 | Qantas Airways
        $603
        15% off
        $706 $603
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Sun, Aug 9 | United Airlines
        $606
        14% off
        $706 $606
      • STL 6:00 AM
        33h 45m
        1 stop
        MEL 6:45 AM
        St. Louis - Melbourne | Thu, Aug 13 | Qantas Airways
        $609
        14% off
        $706 $609
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Mon, Jul 27 | United Airlines
        $615
        13% off
        $706 $615
      • STL 7:23 PM
        21h 52m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Thu, Jul 30 | United Airlines
        $615
        13% off
        $706 $615
      • STL 8:42 AM
        32h 33m
        1 stop
        MEL 8:15 AM
        St. Louis - Melbourne | Mon, Aug 24 | United Airlines
        $621
        12% off
        $706 $621
      • STL 1:00 PM
        17h 25m
        1 stop
        MEL 2:00 PM
        St. Louis - Melbourne | Wed, Jul 22 | Normal Airline
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        Find more flights

Flight Info | St. Louis to Melbourne

The distance between St. Louis and Melbourne is approximately 15,273.44 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is December.

Cheapest one-way flight price$594
Cheapest round-trip ticket price$1,091
Off-season for travelDecember
Peak season for travelJuly
Flight distance15,273.44 km
Flight statistics for the St. Louis–Melbourne route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

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

    Based on Trip.com data, American Airlines offers one-way fares as low as $594 on Cheapest nonstop routes (e.g. STL to MEL on Sun, Aug 9), while United Airlines offers Cheapest nonstop round-trips from $1,091 departing on Wed, Aug 26 and returning on Wed, Sep 2.
  • 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 Melbourne 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 Melbourne, 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 Sun, Aug 9, with one-way flights priced at just $594.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · 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 Melbourne travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Melbourne is December, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from St. Louis to Melbourne on July 24, 2026 with United Airlines, with prices starting at $1,196.
  • The time difference between Melbourne and St. Louis is 16h.
  • 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.

Explore More Popular Flights

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.