$633+ Cheap flights from St. Louis (STL) to Ko Phi Phi, Thailand
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKT
Jun 20 — Jun 271
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Ko Phi Phi
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Best
Last-minute
One-way
Cheapest flights from St. Louis to Ko Phi PhiExplore the most affordable flight options available from St. Louis to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
Explore the most affordable flight options available from St. Louis to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
This oojo deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:32 am
STL
- HKT
2 stops26h 08m
Etihad Airways
Sat 10/109:25 am
HKT
- STL
2 stops42h 05m
Etihad Airways
Deal found 5/18![Etihad Airways logo]()
$1,062
This Etihad Airways deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:40 am
STL
- HKT
2 stops32h 35m
Multiple Airlines
Mon 11/162:40 am
HKT
- STL
2 stops29h 47m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,128
This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:40 pm
STL
- HKT
2 stops47h 00m
Etihad Airways
Thu 10/89:20 pm
HKT
- STL
2 stops30h 10m
Etihad Airways
Deal found 5/20![Etihad Airways logo]()
$1,130
This oojo deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:35 am
STL
- HKT
2 stops32h 40m
Etihad Airways
Mon 11/99:00 pm
HKT
- STL
2 stops29h 17m
Etihad Airways
Deal found 5/18![Etihad Airways logo]()
$1,205
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:37 am
STL
- HKT
2 stops37h 08m
Qatar Airways
Thu 10/88:30 pm
HKT
- STL
2 stops35h 38m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,316
This Qatar Airways deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
STL
- HKT
2 stops37h 45m
Qatar Airways
Thu 9/178:30 pm
HKT
- STL
2 stops39h 29m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,339
This Qatar Airways deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
STL
- HKT
2 stops48h 50m
Qatar Airways
Mon 9/218:30 pm
HKT
- STL
2 stops38h 32m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,376
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:37 am
STL
- HKT
2 stops37h 08m
Qatar Airways
Thu 9/39:20 am
HKT
- STL
2 stops46h 05m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,382
This Ovago deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:35 pm
STL
- HKT
2 stops37h 45m
Cathay Pacific
Sat 8/1511:50 am
HKT
- STL
2 stops46h 35m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,551
This BusinessClass deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:33 pm
STL
- HKT
2 stops31h 17m
Multiple Airlines
Sat 10/107:35 am
HKT
- STL
3 stops26h 25m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,617
This BusinessClass deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:15 pm
STL
- HKT
2 stops32h 35m
Cathay Pacific
Tue 6/211:50 am
HKT
- STL
2 stops48h 06m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,680
Best flights from St. Louis to Ko Phi PhiDiscover carefully curated flight deals from St. Louis to Ko Phi Phi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
Discover carefully curated flight deals from St. Louis to Ko Phi Phi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
This Ovago deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:35 pm
STL
- HKT
2 stops37h 45m
Cathay Pacific
Sat 8/1511:50 am
HKT
- STL
2 stops46h 35m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,551
This BusinessClass deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:15 pm
STL
- HKT
2 stops39h 05m
Multiple Airlines
Tue 6/27:35 am
HKT
- STL
3 stops26h 07m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,836
This oojo deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:20 pm
STL
- HKT
2 stops35h 30m
Qatar Airways
Sun 6/218:30 pm
HKT
- STL
2 stops35h 06m
Qatar Airways
Deal found 5/16![Qatar Airways logo]()
$1,891
This BusinessClass deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:15 pm
STL
- HKT
2 stops32h 35m
Cathay Pacific
Tue 6/211:50 am
HKT
- STL
2 stops48h 06m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,680
This oojo deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:45 pm
STL
- HKT
2 stops36h 30m
Qatar Airways
Mon 6/89:00 pm
HKT
- STL
2 stops36h 37m
Qatar Airways
Deal found 5/19![Qatar Airways logo]()
$1,933
Last-minute flights from St. Louis to Ko Phi PhiDiscover last-minute flight deals from St. Louis to Ko Phi Phi. Data last updated May 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Ko Phi Phi. Data last updated May 21, 2026 and is based on user searches.
This BusinessClass deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:15 pm
STL
- HKT
2 stops32h 35m
Cathay Pacific
Tue 6/211:50 am
HKT
- STL
2 stops48h 06m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,680
This BusinessClass deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:15 pm
STL
- HKT
2 stops39h 05m
Multiple Airlines
Tue 6/27:35 am
HKT
- STL
3 stops26h 07m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,836
This oojo deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:45 pm
STL
- HKT
2 stops36h 30m
Qatar Airways
Mon 6/89:00 pm
HKT
- STL
2 stops36h 37m
Qatar Airways
Deal found 5/19![Qatar Airways logo]()
$1,933
This KAYAK deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:15 pm
STL
- HKT
2 stops32h 35m
Cathay Pacific
Thu 9/311:50 am
HKT
- STL
2 stops47h 05m
Cathay Pacific
Deal found 5/20![Cathay Pacific logo]()
$1,753
This Orbitz deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:40 am
STL
- HKT
2 stops62h 10m
Multiple Airlines
Thu 9/311:50 am
HKT
- STL
2 stops43h 35m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,838
This oojo deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:20 pm
STL
- HKT
2 stops35h 30m
Qatar Airways
Sun 6/218:30 pm
HKT
- STL
2 stops35h 06m
Qatar Airways
Deal found 5/16![Qatar Airways logo]()
$1,891
This BusinessClass deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:14 pm
STL
- HKT
2 stops57h 06m
Cathay Pacific
Fri 9/186:20 pm
HKT
- STL
2 stops37h 43m
Cathay Pacific
Deal found 5/20![Cathay Pacific logo]()
$1,809
This Ovago deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:03 pm
STL
- HKT
2 stops53h 47m
Cathay Pacific
Thu 6/2511:50 am
HKT
- STL
2 stops44h 17m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,811
One-way flights from St. Louis to Ko Phi PhiSearch for one-way flight options from St. Louis to Ko Phi Phi. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
Search for one-way flight options from St. Louis to Ko Phi Phi. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
This oojo deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
STL
- HKT
2 stops37h 45m
Qatar Airways
Deal found 5/21![Qatar Airways logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:08 pm
STL
- HKT
3 stops59h 07m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$635
Find flight deals from St. Louis to Ko Phi Phi
Keep the following information in mind while searching for St. Louis to Ko Phi Phi flight deals. Data was last updated May 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,062 (oojo) |
One-way from | $633 (oojo) |
Popular in | May |
Cheapest in | October |
Average price | $2,307 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Ko Phi Phi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from St. Louis to Ko Phi Phi that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Mon 8/10
3:35 pm-5:20 pm
2 stops37h 45m
Phuket City
Sat 8/15
11:50 am-10:25 pm
2 stops46h 35m
$1,551
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Wed 5/27
2:15 pm-10:50 am
2 stops32h 35m
Phuket City
Tue 6/2
11:50 am-11:56 pm
2 stops48h 06m
$1,680
Quickest round-trip
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Wed 5/27
2:15 pm-5:20 pm
2 stops39h 05m
Phuket City
Tue 6/2
7:35 am-9:42 pm
3 stops26h 07m
$1,836
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Mon 6/15
7:20 pm-6:50 pm
2 stops35h 30m
Phuket City
Sun 6/21
8:30 pm-7:36 pm
2 stops35h 06m
$1,891
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Fri 5/29
1:45 pm-2:15 pm
2 stops36h 30m
Phuket City
Mon 6/8
9:00 pm-9:37 pm
2 stops36h 37m
$1,933
Cheapest one-way
Quickest one-way
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Tue 9/1
8:08 pm-7:15 pm
3 stops59h 07m
$635
Sorted by cheapest first
Best time to book a flight from St. Louis to Ko Phi Phi
Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from St. Louis with our price prediction graph.
STL-HKT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Ko Phi Phi
STL-K33
STL-HKT
How much does it cost to fly round-trip from St. Louis to Ko Phi Phi?
Reviews of airlines servicing Ko Phi Phi
Get insights into the airlines that provide service to Ko Phi Phi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Phi Phi. Reviews last updated May 21, 2026.
Read through reviews of airlines operating flights from St. Louis to Ko Phi Phi, such as Cathay Pacific and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Comfort
7.6
Entertainment
7.7
Overall
7.6
Food
7.3
Boarding
7.9
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - HKG
Crew
8.1
Comfort
7.6
Entertainment
7.7
Overall
7.6
Food
7.3
Boarding
7.9
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - HKG
Crew
8.1
Comfort
7.6
Entertainment
7.7
Overall
7.6
Food
7.3
Boarding
7.9
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - HKG
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Ko Phi Phi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Ko Phi Phi
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Complete your trip
Complete your trip to Ko Phi Phi by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to Ko Phi Phi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Ko Phi Phi flights
Browse other St. Louis and Ko Phi Phi flight options. Last updated on May 21, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Ko Phi Phi flights
Consider these flights traveling from St. Louis to Ko Phi Phi.
Top 2 airlines flying from St. Louis to Ko Phi Phi
Discover the top 2 airlines that operate flights from St. Louis to Ko Phi Phi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$927 | Average$1,171 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,132 | Average$1,557 | FlexibilityNo cancel fee | On-time68% |