Flights to Southwest Illinois, Illinois from NT$28,163

View NT$18,139 flight on Mon, 2025/9/22Opens in a new window

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How much is the cheapest flight to Southwest Illinois?

Prices were available within the past 7 days and start at NT$18,139 for one-way flights and NT$28,163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 22 - Thu, Oct 2
TPE
Taipei
STL
St. Louis
NT$28,163 Roundtrip, found 7 hours ago
NT$28,163
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Sep 22 from Taipei to St. Louis, returning Thu, Oct 2, priced at NT$28,163 found 7 hours ago
Hawaiian Airlines
Mon, Sep 8 - Thu, Sep 25
TPE
Taipei
STL
St. Louis
NT$29,882 Roundtrip, found 5 days ago
NT$29,882
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 8 from Taipei to St. Louis, returning Thu, Sep 25, priced at NT$29,882 found 5 days ago
Asiana Airlines
Tue, Sep 30 - Thu, Oct 30
TPE
Taipei
STL
St. Louis
NT$31,076 Roundtrip, found 4 days ago
NT$31,076
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Sep 30 from Taipei to St. Louis, returning Thu, Oct 30, priced at NT$31,076 found 4 days ago
Delta
Thu, Sep 25 - Sun, Oct 5
TPE
Taipei
STL
St. Louis
NT$31,795 Roundtrip, found 6 days ago
NT$31,795
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 25 from Taipei to St. Louis, returning Sun, Oct 5, priced at NT$31,795 found 6 days ago
All Nippon Airways
Tue, Aug 26 - Tue, Sep 9
TSA
Taipei
STL
St. Louis
NT$35,527 Roundtrip, found 6 days ago
NT$35,527
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Tue, Aug 26 from Taipei to St. Louis, returning Tue, Sep 9, priced at NT$35,527 found 6 days ago

Frequently asked questions

How do I find cheap flights to Southwest Illinois that have flexible change policies?
By using our neat "No change fee" filter, that's how. Just enter your travel details, click "Search," then tick the checkbox directly underneath the "Flexible change policies" heading (top left-hand side of your screen). Expedia makes it a cinch to find flexible and affordable tickets to Southwest Illinois.
Which airlines fly to Southwest Illinois?
When you're ready to reserve your ticket to or near Southwest Illinois, these popular carriers are waiting to welcome you on board:

  • Southwest Airlines - 2,214 flights to or near Southwest Illinois each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 971 flights to or near Southwest Illinois each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 728 flights to or near Southwest Illinois each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Southwest Illinois?
In the last seven days, NT$28,163 was the best price for a flight to Southwest Illinois. If you'd love to save even more, book in advance and be flexible with your travel dates. Search for your flight to Southwest Illinois, then see prices for similar time frames by clicking on the "flexible dates" link above.
How much is a flight to Southwest Illinois?
In the last seven days, round-trip tickets to Southwest Illinois sold for as little as NT$28,163 and reached a maximum price of NT$35,527. For one-way trips departing from Taipei (TPE), the lowest amount paid during this time was only NT$18,139.
What are the most popular airports to fly into in Southwest Illinois?
Choosing your airport comes down to factors including your airline, budget and where you plan to explore. These are your choices in Southwest Illinois:

  • Lambert-St. Louis Intl. Airport (STL) - 4,902 flights per month.
  • Evansville Regional Airport (EVV) - 277 flights per month.

When is the cheapest time to fly to Southwest Illinois?
Consider jetting off earlier in the week to book the best airfare to Southwest Illinois. Tuesday is usually the most affordable day to fly, with Monday right behind it. Saturday often has the most expensive ticket prices. This is because a lot of people choose to begin their trip on a weekend.
How much is a plane ticket to Southwest Illinois?
In the last seven days, plane tickets to Southwest Illinois ranged between NT$28,163 and NT$35,527. Prices depend on multiple things, particularly the time of departure, carrier, cabin class and when the fare is booked.
What months are the cheapest to book a flight to Southwest Illinois?
The most affordable month to score a terrific deal to Southwest Illinois is February, while the priciest month is December. Avoid this month if you're looking to save money.
Flights to Southwest Illinois information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
NT$28,163

Trending flights to Southwest Illinois

Prices were available within the past 7 days and start at NT$18,139 for one-way flights and NT$28,163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 22 - Thu, Oct 2
TPE
Taipei
STL
St. Louis
NT$28,163 Roundtrip, found 7 hours ago
NT$28,163
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Sep 22 from Taipei to St. Louis, returning Thu, Oct 2, priced at NT$28,163 found 7 hours ago
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