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$694+ Cheap flights from Rapid City (RAP) to 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BKK
Apr 1 — Apr 81
Wed 4/1
Wed 4/8
1 adult, Economy
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Cheap flight deals from Rapid City to Thailand

Cheapest flights from Rapid City to Thailand
Explore the most affordable flight options available from Rapid City to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
RAP
-
BKK
3 stops37h 35m
United Airlines
Wed 4/223:45 pm
BKK
-
RAP
3 stops31h 51m
United Airlines
Deal found 3/1$951
This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:40 am
RAP
-
BKK
3 stops32h 55m
United Airlines
Thu 4/233:45 pm
BKK
-
RAP
3 stops41h 59m
United Airlines
Deal found 3/1$1,026
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:47 pm
RAP
-
BKK
3 stops29h 48m
United Airlines
Mon 4/203:45 pm
BKK
-
RAP
3 stops42h 56m
United Airlines
Deal found 2/27$1,027
This United Airlines deal was found by Cheapflights users on 2/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:00 pm
RAP
-
BKK
3 stops34h 25m
United Airlines
Tue 3/313:45 pm
BKK
-
RAP
3 stops67h 42m
United Airlines
Deal found 2/28$1,040
This Ovago deal was found by Cheapflights users on 2/26. 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.
Mon 3/232:45 pm
RAP
-
BKK
2 stops31h 40m
Multiple Airlines
Tue 3/313:45 pm
BKK
-
RAP
2 stops34h 23m
Multiple Airlines
Deal found 2/26$1,042
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:00 pm
RAP
-
BKK
3 stops33h 25m
United Airlines
Mon 3/94:55 pm
BKK
-
RAP
3 stops60h 02m
United Airlines
Deal found 2/26$1,055
This Ovago deal was found by Cheapflights users on 2/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:41 pm
RAP
-
BKK
2 stops28h 44m
Singapore Airlines
Tue 3/313:45 pm
BKK
-
RAP
3 stops65h 59m
Singapore Airlines
Deal found 2/28$1,064
This Ovago deal was found by Cheapflights users on 2/26. 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.
Sun 3/225:41 pm
RAP
-
BKK
2 stops28h 44m
Multiple Airlines
Tue 3/313:45 pm
BKK
-
RAP
3 stops65h 59m
Multiple Airlines
Deal found 2/26$1,094
This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:55 am
RAP
-
BKK
2 stops47h 25m
United Airlines
Wed 3/114:55 pm
BKK
-
RAP
3 stops42h 02m
United Airlines
Deal found 3/1$1,129

Find flight deals from Rapid City to Thailand

Keep the following information in mind while searching for Rapid City to Thailand flight deals. Data was last updated March 2, 2026.

Round-trip from

$951
(United Airlines)

One-way from

$694
(United Airlines)
From Rapid City to Thailand
Search Deals
One-way flight from Rapid City to Thailand
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Thailand 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 March 2, 2026.
Use the filters below to find and compare flights from Rapid City to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Wed 4/15

7:00 am-9:35 am

3 stops37h 35m

Bangkok Suvarnabhumi

Wed 4/22

3:45 pm-10:36 am

3 stops31h 51m

$951

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Mon 4/13

2:47 pm-9:35 am

3 stops29h 48m

Bangkok Suvarnabhumi

Mon 4/20

3:45 pm-9:41 pm

3 stops42h 56m

$1,027

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Mon 3/23

12:00 pm-11:25 am

3 stops34h 25m

Bangkok Suvarnabhumi

Tue 3/31

3:45 pm-10:27 pm

3 stops67h 42m

$1,040

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Mon 3/23

2:45 pm-11:25 am

2 stops31h 40m

Bangkok Suvarnabhumi

Tue 3/31

3:45 pm-1:08 pm

2 stops34h 23m

$1,042

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Mon 3/23

5:41 pm-11:25 am

2 stops28h 44m

Bangkok Suvarnabhumi

Tue 3/31

3:45 pm-8:44 pm

3 stops65h 59m

$1,064

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Sun 3/22

5:41 pm-11:25 am

2 stops28h 44m

Bangkok Suvarnabhumi

Tue 3/31

3:45 pm-8:44 pm

3 stops65h 59m

$1,094

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Thu 4/16

12:00 pm-9:35 am

3 stops32h 35m

Bangkok Suvarnabhumi

Thu 4/23

7:00 am-10:36 am

2 stops40h 36m

$1,106

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Sun 3/22

12:00 pm-11:25 am

3 stops34h 25m

Bangkok Suvarnabhumi

Tue 3/31

3:45 pm-7:02 pm

3 stops40h 17m

$1,211

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Mon 7/27

7:00 am-9:35 am

3 stops37h 35m

Bangkok Suvarnabhumi

Tue 8/4

3:45 pm-5:12 pm

3 stops38h 27m

$1,331

Rapid CityBangkok

RAP - BKK

RAPBKK

Rapid City

Wed 4/15

6:00 am-1:35 pm

2 stops42h 35m

Bangkok Suvarnabhumi

Wed 4/22

9:40 pm-4:27 pm

2 stops31h 47m

$1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Rapid City to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Rapid City 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 Rapid City to Thailand
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated March 2, 2026.
Peruse reviews from past customers who have flown with United Airlines from Rapid City to Thailand to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,375 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,375 reviews
United Airlines
7.4
Good
9,375 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Thailand. 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 Rapid City to Thailand?

    Located just 9.0 mi from the city center, Rapid City (RAP) is the airport most travelers will use when flying to Thailand from Rapid City.

  • How long is the flight from Rapid City to Thailand?

    Airlines like United Airlines and Singapore Airlines fly from Rapid City to Thailand in about 28h 44m. The time it takes to get you to your destination can typically vary by up to 8h 51m. The distance from Rapid City to Thailand is about 8170 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Rapid City to Thailand that include hotel bookings?

    Yes. In addition to deals on Rapid City to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Thailand.

  • Can I find deals for business class flights from Rapid City to Thailand?

    Yes. Cheapflights offers flight deals from Rapid City to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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 airline flying from Rapid City to Thailand

Discover the top airline that operate flights from Rapid City to Thailand. 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 March 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$930Average$1,297FlexibilityNo cancel feeOn-time69%

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