Cheap Flights to St. Louis County | Popular Routes to St. Louis County from HK$1,276

View HK$1,276 flight on Sat, 7 Mar 2026Opens in a new window

Popular airlines to St. Louis County

  • Delta

    Delta

  • United

    United

  • KLM

    KLM

  • Virgin Atlantic

    Virgin Atlantic

  • WestJet

    WestJet

  • Air France

    Air France

  • Sun Country Airlines

    Sun Country Airlines

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Cheap round-trip flights to St. Louis County

Prices were available within the past 7 days and start at HK$1,276 for one-way flights and HK$2,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 7 Mar - Wed, 11 Mar
SEA
Seattle
DLH
Duluth
HK$2,585 Return, found 22 hours ago
HK$2,585
Return
found 22 hours ago
Select Delta flight, departing Sat, 7 Mar from Seattle to Duluth, returning Wed, 11 Mar, priced at HK$2,585 found 22 hours ago
Delta
Sat, 7 Mar - Thu, 12 Mar
SEA
Seattle
DLH
Duluth
HK$2,660 Return, found 22 hours ago
HK$2,660
Return
found 22 hours ago
Select Delta flight, departing Sat, 7 Mar from Seattle to Duluth, returning Thu, 12 Mar, priced at HK$2,660 found 22 hours ago
Delta
Sat, 7 Mar - Sat, 14 Mar
SEA
Seattle
DLH
Duluth
HK$2,714 Return, found 22 hours ago
HK$2,714
Return
found 22 hours ago
Select Delta flight, departing Sat, 7 Mar from Seattle to Duluth, returning Sat, 14 Mar, priced at HK$2,714 found 22 hours ago
Delta
Thu, 5 Mar - Thu, 12 Mar
SEA
Seattle
DLH
Duluth
HK$2,746 Return, found 22 hours ago
HK$2,746
Return
found 22 hours ago
Select Delta flight, departing Thu, 5 Mar from Seattle to Duluth, returning Thu, 12 Mar, priced at HK$2,746 found 22 hours ago
United
Wed, 4 Mar - Thu, 12 Mar
SEA
Seattle
DLH
Duluth
HK$2,800 Return, found 22 hours ago
HK$2,800
Return
found 22 hours ago
Select United flight, departing Wed, 4 Mar from Seattle to Duluth, returning Thu, 12 Mar, priced at HK$2,800 found 22 hours ago
Delta
Wed, 4 Mar - Wed, 11 Mar
SEA
Seattle
DLH
Duluth
HK$2,929 Return, found 22 hours ago
HK$2,929
Return
found 22 hours ago
Select Delta flight, departing Wed, 4 Mar from Seattle to Duluth, returning Wed, 11 Mar, priced at HK$2,929 found 22 hours ago
Delta
Wed, 4 Mar - Sun, 15 Mar
SEA
Seattle
DLH
Duluth
HK$3,004 Return, found 22 hours ago
HK$3,004
Return
found 22 hours ago
Select Delta flight, departing Wed, 4 Mar from Seattle to Duluth, returning Sun, 15 Mar, priced at HK$3,004 found 22 hours ago
Delta
Sat, 7 Mar - Mon, 16 Mar
SEA
Seattle
DLH
Duluth
HK$3,058 Return, found 22 hours ago
HK$3,058
Return
found 22 hours ago
Select Delta flight, departing Sat, 7 Mar from Seattle to Duluth, returning Mon, 16 Mar, priced at HK$3,058 found 22 hours ago
Delta
Mon, 9 Mar - Mon, 16 Mar
SEA
Seattle
DLH
Duluth
HK$3,133 Return, found 22 hours ago
HK$3,133
Return
found 22 hours ago
Select Delta flight, departing Mon, 9 Mar from Seattle to Duluth, returning Mon, 16 Mar, priced at HK$3,133 found 22 hours ago
Delta
Tue, 10 Mar - Sun, 15 Mar
SEA
Seattle
DLH
Duluth
HK$3,144 Return, found 22 hours ago
HK$3,144
Return
found 22 hours ago
Select Delta flight, departing Tue, 10 Mar from Seattle to Duluth, returning Sun, 15 Mar, priced at HK$3,144 found 22 hours 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. HK$2,585 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 HK$2,585 and reached a maximum cost of HK$3,144. For one-way trips taking off from Seattle (SEA), the lowest amount paid during this same period was only HK$1,276.
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 HK$2,585 and HK$3,144. 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.

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About St. Louis County

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About St. Louis County

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