Cheap Flights to St. Francois County from NT$3,950

View NT$3,950 flight on Tue, 2026/7/21Opens in a new window

Popular airlines to St. Francois County

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How much is the cheapest flight to St. Francois County?

Prices were available within the past 7 days and start at NT$3,950 for one-way flights and NT$7,909 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
NT$7,909 Roundtrip, found 18 hours ago
NT$7,909
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at NT$7,909 found 18 hours ago
American Airlines
Wed, May 27 - Wed, Jun 3
SEA
Seattle
STL
St. Louis
NT$9,341 Roundtrip, found 2 days ago
NT$9,341
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 27 from Seattle to St. Louis, returning Wed, Jun 3, priced at NT$9,341 found 2 days ago
United
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
NT$9,500 Roundtrip, found 18 hours ago
NT$9,500
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at NT$9,500 found 18 hours ago
American Airlines
Wed, May 27 - Wed, Jun 3
SEA
Seattle
STL
St. Louis
NT$9,950 Roundtrip, found 2 days ago
NT$9,950
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 27 from Seattle to St. Louis, returning Wed, Jun 3, priced at NT$9,950 found 2 days ago
Delta
Sat, Jul 4 - Sat, Jul 11
SEA
Seattle
STL
St. Louis
NT$9,967 Roundtrip, found 4 days ago
NT$9,967
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jul 4 from Seattle to St. Louis, returning Sat, Jul 11, priced at NT$9,967 found 4 days ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
NT$9,976 Roundtrip, found 18 hours ago
NT$9,976
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at NT$9,976 found 18 hours ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
NT$10,039 Roundtrip, found 18 hours ago
NT$10,039
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at NT$10,039 found 18 hours ago
American Airlines
Wed, May 27 - Wed, Jun 3
SEA
Seattle
STL
St. Louis
NT$10,422 Roundtrip, found 2 days ago
NT$10,422
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 27 from Seattle to St. Louis, returning Wed, Jun 3, priced at NT$10,422 found 2 days ago
All Nippon Airways
Mon, Aug 24 - Tue, Sep 8
CTS
Sapporo
STL
St. Louis
NT$32,903 Roundtrip, found 4 days ago
NT$32,903
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Mon, Aug 24 from Sapporo to St. Louis, returning Tue, Sep 8, priced at NT$32,903 found 4 days ago
Japan Airlines
Thu, Jun 25 - Thu, Jul 2
TSA
Taipei
STL
St. Louis
NT$46,205 Roundtrip, found 6 days ago
NT$46,205
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jun 25 from Taipei to St. Louis, returning Thu, Jul 2, priced at NT$46,205 found 6 days ago

Trending flights to St. Francois County

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

Delta
Tue, May 26 - Mon, Jun 15
TPE
Taipei
STL
St. Louis
NT$29,220 Roundtrip, found 1 day ago
NT$29,220
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, May 26 from Taipei to St. Louis, returning Mon, Jun 15, priced at NT$29,220 found 1 day ago

Frequently asked questions

How do I find cheap flights to St. Francois County that have flexible change policies?
When it comes to flying these days, flexibility is key. That's why we've added a "No change fee" filter to help you track down flexible, cheap airfares to St. Francois County. It's on the left of your screen directly under the "Flexible change policies" heading.
Which airlines fly to St. Francois County?
With a great range of airlines offering flights into or near St. Francois County, you have plenty of choice:

  • Southwest Airlines - 2,214 flights to or near St. Francois County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near St. Francois County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near St. Francois County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St. Francois County?
An useful strategy for picking up cheap fares is to be flexible with your travel dates. Start by searching for your flight to St. Francois County, then click on the "flexible dates" link for a list of prices for nearby days. Another good tip? Book well in advance. To give you an idea of fares, NT$7,909 was the lowest price for a flight to St. Francois County in the last seven days.
How much is a flight to St. Francois County?
One-way flights departing from Seattle (SEA) sold for as little as NT$3,950 in the last seven days. During this time, the price of a return airfare to St. Francois County ranged between NT$7,909 and NT$46,205. If you spot a bargain ticket, grab it quickly — these fares don't hang about.
What are the most popular airports to fly into in St. Francois County?
Jet into Lambert-St. Louis Intl. Airport (STL) and experience everything that St. Francois County has to offer. As the region's main point of entry, around 4,902 flights touch down here every month.
When is the cheapest time to fly to St. Francois County?
If you're not fixed on what date you jet off to St. Francois County, try to leave early on in the week. The most affordable day to take off is usually Tuesday, followed by Monday. Saturday is typically the priciest day, with lots of vacationers opting to take off on the weekend.
How much is a plane ticket to St. Francois County?
Seats ranged anywhere from NT$7,909 to NT$46,205 over the last seven days. When you're ready to book, we're here to help you lock in a fabulous deal to St. Francois County.
What is the best time to go to St. Francois County?
If you're eager to see St. Francois County's main city when it's buzzing with activity, travel to Farmington sometime during March, April and May. Like most locations in the Northern Hemisphere, summer here starts June 20, bringing average temperatures of between 65ºF and 85ºF.
What months are the cheapest to book a flight to St. Francois County?
February is the perfect month to grab a bargain fare to St. Francois County. Keep in mind that the priciest time to make a purchase in the USA isn't during the height of summer, but in December.

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