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Ko Phi Phi

$725+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from St. Louis to Ko Phi Phi

Cheapest flights from St. Louis to Ko Phi Phi
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:23 am
STL
-
HKT
2 stops45h 47m
Delta
Wed 2/1111:40 pm
HKT
-
STL
2 stops36h 56m
Delta
Deal found 1/28$988
This oojo deal was found by Cheapflights users on 1/28. 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.
Thu 2/198:00 am
STL
-
HKT
2 stops38h 20m
Cathay Pacific
Mon 3/26:35 pm
HKT
-
STL
2 stops42h 24m
Cathay Pacific
Deal found 1/28$1,093
This oojo deal was found by Cheapflights users on 1/27. 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 3/186:38 am
STL
-
HKT
2 stops40h 42m
Cathay Pacific
Wed 3/256:35 pm
HKT
-
STL
2 stops41h 09m
Cathay Pacific
Deal found 1/27$1,094
This BusinessClass deal was found by Cheapflights users on 1/28. 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.
Sun 3/2210:33 am
STL
-
HKT
2 stops36h 47m
Cathay Pacific
Sat 3/2812:20 pm
HKT
-
STL
2 stops41h 40m
Cathay Pacific
Deal found 1/28$1,161
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:32 am
STL
-
HKT
2 stops27h 38m
Delta
Thu 4/3011:25 pm
HKT
-
STL
2 stops35h 48m
Delta
Deal found 1/27$1,170
This BusinessClass deal was found by Cheapflights users on 1/28. 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 5/1412:11 pm
STL
-
HKT
2 stops34h 39m
Cathay Pacific
Mon 5/186:20 pm
HKT
-
STL
2 stops40h 44m
Cathay Pacific
Deal found 1/28$1,261
This Cathay Pacific deal was found by Cheapflights users on 1/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:45 pm
STL
-
HKT
2 stops27h 05m
Cathay Pacific
Mon 9/216:20 pm
HKT
-
STL
2 stops40h 05m
Cathay Pacific
Deal found 1/28$1,292
This Cathay Pacific deal was found by Cheapflights users on 1/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:20 am
STL
-
HKT
2 stops38h 00m
Multiple Airlines
Sun 3/2212:20 pm
HKT
-
STL
2 stops47h 24m
Multiple Airlines
Deal found 1/28$1,304
This oojo deal was found by Cheapflights users on 1/27. 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 3/135:12 am
STL
-
HKT
2 stops48h 23m
Cathay Pacific
Fri 3/206:35 pm
HKT
-
STL
2 stops50h 20m
Cathay Pacific
Deal found 1/27$1,397
This oojo deal was found by Cheapflights users on 1/27. 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.
Sat 7/116:36 am
STL
-
HKT
2 stops46h 44m
Cathay Pacific
Sat 7/1811:50 am
HKT
-
STL
2 stops47h 54m
Cathay Pacific
Deal found 1/27$1,527
This Gurufare deal was found by Cheapflights users on 1/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:56 pm
STL
-
HKT
2 stops35h 19m
Multiple Airlines
Mon 6/88:10 pm
HKT
-
STL
2 stops34h 50m
Multiple Airlines
Deal found 1/28$1,535

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,093
(oojo)

One-way from

$725
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,443
Provider with most accurate pricing for Lambert-St Louis-Phuket City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Phuket City flights.
Search Deals
From Lambert-St Louis to Ko Phi Phi
Search Deals
One-way flight from Lambert-St Louis to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($528 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from St. Louis to Ko Phi Phi that are best for you.

Fly from

St. Louis

Fly to

Ko Phi Phi

Route

Depart

Return

Price

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Thu 2/19

8:00 am-11:20 am

2 stops38h 20m

Phuket City

Mon 3/2

6:35 pm-11:59 pm

2 stops42h 24m

$1,093

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Wed 3/18

6:38 am-11:20 am

2 stops40h 42m

Phuket City

Wed 3/25

6:35 pm-11:44 pm

2 stops41h 09m

$1,094

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sun 3/22

10:33 am-11:20 am

2 stops36h 47m

Phuket City

Sat 3/28

12:20 pm-6:00 pm

2 stops41h 40m

$1,161

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Wed 4/1

6:32 am-10:10 pm

2 stops27h 38m

Phuket City

Thu 4/30

11:25 pm-11:13 pm

2 stops35h 48m

$1,170

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Thu 5/14

12:11 pm-10:50 am

2 stops34h 39m

Phuket City

Mon 5/18

6:20 pm-11:04 pm

2 stops40h 44m

$1,261

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sun 3/15

9:20 am-11:20 am

2 stops38h 00m

Phuket City

Sun 3/22

12:20 pm-11:44 pm

2 stops47h 24m

$1,304

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Fri 3/13

5:12 am-5:35 pm

2 stops48h 23m

Phuket City

Fri 3/20

6:35 pm-8:55 am

2 stops50h 20m

$1,397

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sat 7/11

6:36 am-5:20 pm

2 stops46h 44m

Phuket City

Sat 7/18

11:50 am-11:44 pm

2 stops47h 54m

$1,527

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Wed 5/27

5:18 pm-8:40 pm

2 stops39h 22m

Phuket City

Tue 6/2

10:25 pm-6:30 pm

2 stops32h 05m

$1,580

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sun 3/22

8:00 am-11:20 am

2 stops39h 20m

Phuket City

Sat 3/28

12:45 pm-6:00 pm

3 stops41h 15m

$1,660

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 14 results
1
2

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.
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

What is the cheapest month to book a flight from St. Louis to Ko Phi Phi?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Ko Phi Phi (average of $926). Flying from St. Louis to Ko Phi Phi in June is currently the most expensive (average of $2,075). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 January 29, 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.
Cathay Pacific
7.6
Good
1,148 reviews

Comfort

7.6

Crew

8.1

Boarding

7.9

Food

7.3

Entertainment

7.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,148 reviews
Cathay Pacific
7.6
Good
1,148 reviews

Comfort

7.6

Crew

8.1

Boarding

7.9

Food

7.3

Entertainment

7.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Qatar Airways
7.4
Good
3,727 reviews
Cathay Pacific
7.6
Good
1,148 reviews

Comfort

7.6

Crew

8.1

Boarding

7.9

Food

7.3

Entertainment

7.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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.

  • What airport do you fly from for flights from St. Louis to Ko Phi Phi?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Ko Phi Phi. You should not have trouble finding flights to Ko Phi Phi from Lambert-St Louis; the airport handles an average of 0 outbound flights to Ko Phi Phi per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. Louis airport to Ko Phi Phi. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Ko Phi Phi?

    Airlines like Cathay Pacific and Delta fly from St. Louis to Ko Phi Phi in about 27h 38m. The time it takes to get you to your destination can typically vary by up to 10h 42m. Airlines will cover a distance of 9145 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Ko Phi Phi that include hotel bookings?

    Yes. In addition to deals on St. Louis to Ko Phi Phi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Ko Phi Phi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ko Phi Phi.

  • Can I find deals for business class flights from St. Louis to Ko Phi Phi?

    Yes. Cheapflights offers flight deals from St. Louis to Ko Phi Phi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Ko Phi Phi?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Ko Phi Phi (average of $926). Flying from St. Louis to Ko Phi Phi in June is currently the most expensive (average of $2,075). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$927Average$1,171FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,193Average$1,557FlexibilityNo cancel feeOn-time68%

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