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Ko Phi Phi

$1,078+ Cheap flights from St. Louis (STL) to Ko Phi Phi, Thailand

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKT
Jun 1 — Jun 81
Sun 6/1
Sun 6/8
1 adult, Economy
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Cheap 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 27, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,078
(Delta)

Popular in

June

Cheapest in

September

Average price

$1,833
Provider with most accurate pricing for Lambert-St Louis-Phuket City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Phuket City flights.
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From Lambert-St Louis to Ko Phi Phi
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Highest demand for flights based on searches. 14% potential increase in price ($306 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 27, 2025.

This Delta deal was found by Cheapflights users on 5/26. 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.
Sun 10/197:05 pmSTL - HKT
2 stops39h 05mDelta
Sun 10/2611:20 pmHKT - STL
2 stops33h 15mDelta
Deal found 5/26$1,078
This Ovago deal was found by Cheapflights users on 5/26. 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.
Tue 11/187:00 amSTL - HKT
2 stops40h 55mQatar Airways
Tue 12/212:50 amHKT - STL
2 stops36h 06mQatar Airways
Deal found 5/26$1,250
This Etihad Airways deal was found by Cheapflights users on 5/26. 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.
Sun 10/198:26 amSTL - HKT
2 stops27h 09mMultiple Airlines
Sat 10/252:50 amHKT - STL
2 stops41h 36mMultiple Airlines
Deal found 5/26$1,765
This Gurufare deal was found by Cheapflights users on 5/26. 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.
Tue 11/185:18 pmSTL - HKT
3 stops29h 07mLufthansa
Wed 12/36:00 pmHKT - STL
2 stops56h 55mLufthansa
Deal found 5/26$2,459
This IEagle deal was found by Cheapflights users on 5/26. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:35 amSTL - HKT
3 stops41h 30mCathay Pacific
Mon 6/306:20 pmHKT - STL
2 stops36h 51mCathay Pacific
Deal found 5/26$2,531

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 27, 2025.
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

Sun 10/19

7:05 pm-10:10 pm

2 stops39h 05m

Phuket City

Sun 10/26

11:20 pm-8:35 pm

2 stops33h 15m

$1,078

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Tue 11/18

7:00 am-12:55 pm

2 stops40h 55m

Phuket City

Tue 12/2

12:50 am-11:56 pm

2 stops36h 06m

$1,250

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Sun 10/19

8:26 am-11:35 pm

2 stops27h 09m

Phuket City

Sat 10/25

2:50 am-8:26 am

2 stops41h 36m

$1,765

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Tue 11/18

5:18 pm-11:25 am

3 stops29h 07m

Phuket City

Wed 12/3

6:00 pm-1:55 pm

2 stops56h 55m

$2,459

St. LouisPhuket City

STL - HKT

STLHKT

Lambert-St Louis

Mon 6/23

8:35 am-2:05 pm

3 stops41h 30m

Phuket City

Mon 6/30

6:20 pm-7:11 pm

2 stops36h 51m

$2,531

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

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, September is the cheapest month in which you can book a flight from St. Louis to Ko Phi Phi (average of $1,104). Flying from St. Louis to Ko Phi Phi in December is currently the most expensive (average of $1,759). 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.

What is the cheapest time of day to fly from STL to K33?

Find hourly flight availability from St. Louis to Ko Phi Phi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 27, 2025.

When flying from St. Louis to Ko Phi Phi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ko Phi Phi by month

Plan your trip to Ko Phi Phi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Phi Phi ranges from 1.2 - 16.1 inches per month. September is typically the wettest month, when rainfall can reach 16.1 in. January is typically the driest time to visit Ko Phi Phi when rainfall is around 1.2 in.

Temperature in Ko Phi Phi by month

Plan your trip to Ko Phi Phi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Phi Phi, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 27, 2025.
Delta
8.0
Very good
7,955 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,955 reviews
Delta
8.0
Very good
7,955 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.5
Good
877 reviews
Delta
8.0
Very good
7,955 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qatar Airways
7.4
Good
3,578 reviews
Delta
8.0
Very good
7,955 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.7
Okay
7,104 reviews
Delta
8.0
Very good
7,955 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Ko Phi Phi (average of $1,104). Flying from St. Louis to Ko Phi Phi in December is currently the most expensive (average of $1,759). 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

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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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,150Average$1,833FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,277Average$1,698FlexibilityNo cancel feeOn-time68%

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