Cheap Flights to St. Louis County

View AU$781 flight on Tue, 17 Mar 2026Opens in a new window

Popular airlines to St. Louis County

  • Delta

  • United

  • Sun Country Airlines

  • KLM

  • Virgin Atlantic

  • WestJet

  • Air France

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Cheapest Flights to St. Louis County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 17 Mar - Tue, 31 Mar
MEL
Melbourne
DLH
Duluth
AU$1,262 Return, found 3 days ago
AU$1,262
Return
found 3 days ago
Select United flight, departing Tue, 17 Mar from Melbourne to Duluth, returning Tue, 31 Mar, priced at AU$1,262 found 3 days ago
Delta
Wed, 11 Mar - Wed, 25 Mar
MEL
Melbourne
DLH
Duluth
AU$1,273 Return, found 3 days ago
AU$1,273
Return
found 3 days ago
Select Delta flight, departing Wed, 11 Mar from Melbourne to Duluth, returning Wed, 25 Mar, priced at AU$1,273 found 3 days ago
Delta
Wed, 2 Sept - Wed, 23 Sept
MEL
Melbourne
DLH
Duluth
AU$1,403 Return, found 1 day ago
AU$1,403
Return
found 1 day ago
Select Delta flight, departing Wed, 2 Sept from Melbourne to Duluth, returning Wed, 23 Sept, priced at AU$1,403 found 1 day ago
United
Wed, 9 Sept - Wed, 30 Sept
MEL
Melbourne
DLH
Duluth
AU$1,493 Return, found 6 days ago
AU$1,493
Return
found 6 days ago
Select United flight, departing Wed, 9 Sept from Melbourne to Duluth, returning Wed, 30 Sept, priced at AU$1,493 found 6 days ago
Delta
Fri, 4 Sept - Thu, 24 Sept
MEL
Melbourne
DLH
Duluth
AU$1,503 Return, found 6 days ago
AU$1,503
Return
found 6 days ago
Select Delta flight, departing Fri, 4 Sept from Melbourne to Duluth, returning Thu, 24 Sept, priced at AU$1,503 found 6 days ago
United
Tue, 17 Mar - Tue, 31 Mar
MEL
Melbourne
DLH
Duluth
AU$1,562 Return, found 3 days ago
AU$1,562
Return
found 3 days ago
Select United flight, departing Tue, 17 Mar from Melbourne to Duluth, returning Tue, 31 Mar, priced at AU$1,562 found 3 days ago
Delta
Wed, 2 Sept - Wed, 23 Sept
MEL
Melbourne
DLH
Duluth
AU$1,641 Return, found 1 day ago
AU$1,641
Return
found 1 day ago
Select Delta flight, departing Wed, 2 Sept from Melbourne to Duluth, returning Wed, 23 Sept, priced at AU$1,641 found 1 day ago
Delta
Wed, 11 Mar - Mon, 23 Mar
MEL
Melbourne
DLH
Duluth
AU$1,663 Return, found 3 days ago
AU$1,663
Return
found 3 days ago
Select Delta flight, departing Wed, 11 Mar from Melbourne to Duluth, returning Mon, 23 Mar, priced at AU$1,663 found 3 days ago
United
Tue, 17 Mar - Tue, 31 Mar
MEL
Melbourne
DLH
Duluth
AU$1,685 Return, found 3 days ago
AU$1,685
Return
found 3 days ago
Select United flight, departing Tue, 17 Mar from Melbourne to Duluth, returning Tue, 31 Mar, priced at AU$1,685 found 3 days ago
Delta
Wed, 9 Sept - Wed, 30 Sept
MEL
Melbourne
DLH
Duluth
AU$1,728 Return, found 6 days ago
AU$1,728
Return
found 6 days ago
Select Delta flight, departing Wed, 9 Sept from Melbourne to Duluth, returning Wed, 30 Sept, priced at AU$1,728 found 6 days ago

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Trending flights to St. Louis County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 17 Mar - Tue, 31 Mar
MEL
Melbourne
DLH
Duluth
AU$1,262 Return, found 3 days ago
AU$1,262
Return
found 3 days ago
Select United flight, departing Tue, 17 Mar from Melbourne to Duluth, returning Tue, 31 Mar, priced at AU$1,262 found 3 days ago

Frequently asked questions

How do I find cheap flights to St. Louis County that have flexible change policies?
By using our nifty "No change fee" filter, that's how. Simply enter your travel dates, click "Search," then select the box directly underneath the "Flexible change policies" heading (look to the left of your screen). Expedia makes it a cinch to find flexible and affordable airfares to St. Louis County.
Which airlines fly to St. Louis County?
You can choose from two popular airlines offering flights to or near St. Louis County. Pack your belongings and jet off with either of these:

  • Delta Air Lines - 91 flights to or near St. Louis County each month, including 91 flights to Duluth Intl. Airport (DLH) per month.
  • United Airlines - 65 flights to or near St. Louis County each month, including 65 flights to Duluth Intl. Airport (DLH) per month.

How can I find cheap tickets to St. Louis County?
You'll always score a fabulous deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then click on the flexible dates link above to compare prices for nearby days. AU$1,262 was the lowest price for a flight to St. Louis County in the last seven days.
How much is a flight to St. Louis County?
In the last seven days, round-trip tickets to St. Louis County sold from just AU$1,262 and reached a maximum cost of AU$1,728. For one-way trips taking off from Melbourne (MEL), the lowest amount paid during this same period was only AU$781.
What are the most popular airports to fly into in St. Louis County?
Jet into Duluth Intl. Airport (DLH) and enjoy everything that St. Louis County has to offer. As the region's primary entry point, around 156 flights land here every month.
When is the cheapest time to fly to St. Louis County?
If you'd rather spend your money experiencing the delights of St. Louis County rather than on getting there, depart earlier in the week. The most affordable day to travel is usually Tuesday, with Monday running a close second. With many people travelling on weekends, Saturday typically has the costliest fares.
How much is a plane ticket to St. Louis County?
In the last seven days, plane tickets to St. Louis County ranged between AU$1,262 and AU$1,728. Prices tend to go up over time, so pick up a good deal today.
What is the best time to go to St. Louis County?
Duluth, St. Louis County's most well-known city, is a fabulous destination to tour around at anytime. Not into chilly weather? Then travel here from June 20 onward during the summer months, when temperatures fluctuate from 13ºC to 24ºC. March, July and August is when Duluth brings in the biggest crowds.
What months are the cheapest to book a flight to St. Louis County?
The perfect month to purchase affordable flights to St. Louis County is February. Remember that in the U.S, an expensive time to secure a ticket is the month of December.

Book with confidence

St. Louis County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to St. Louis County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your St. Louis County Airfare

At Expedia.com.au, it’s simple to find cheap flights to St. Louis County that won’t cause your wallet to flinch. Browse through our inventory of St. Louis County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

St. Louis County Flights

Travel information

St. Louis County Flights Information

Airlines serving
United, Delta
Roundtrip price
from AU$1,262
St. Louis County Flights Information

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