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Riyadh

$1,010+ Cheap flights from St. Louis (STL) to Riyadh (RUH)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RUH
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from St. Louis to Riyadh

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Riyadh (RUH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,033
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Riyadh King Khaled Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Riyadh King Khaled Intl flights.
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From Lambert-St Louis to Riyadh King Khaled Intl
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Find flight deals from St. Louis to Riyadh

Cheapest flights from St. Louis to Riyadh
Explore the most affordable flight options available from St. Louis to Riyadh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:15 amSTL - RUH
2 stops26h 40mMultiple Airlines
Sun 10/128:20 pmRUH - STL
2 stops26h 58mMultiple Airlines
Deal found 10/1$1,010
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:38 pmSTL - RUH
2 stops23h 12mDelta
Mon 12/811:55 pmRUH - STL
3 stops27h 42mDelta
Deal found 10/1$1,033
This KLM deal was found by Cheapflights users on 9/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:38 pmSTL - RUH
2 stops23h 12mKLM
Mon 12/811:55 pmRUH - STL
3 stops27h 42mKLM
Deal found 9/30$1,085
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:50 amSTL - RUH
2 stops37h 25mAmerican Airlines
Mon 12/85:05 amRUH - STL
2 stops23h 01mAmerican Airlines
Deal found 9/29$1,240
This Lufthansa deal was found by Cheapflights users on 9/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:00 pmSTL - RUH
2 stops21h 55mLufthansa
Mon 12/86:25 amRUH - STL
2 stops24h 15mLufthansa
Deal found 9/30$1,333

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Riyadh 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 October 2, 2025.
Use the filters below to find and compare flights from St. Louis to Riyadh that are best for you.

Fly from

St. Louis

Fly to

Riyadh

Route

Depart

Return

Price

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Thu 12/4

2:38 pm-10:50 pm

2 stops23h 12m

Riyadh King Khaled Intl

Mon 12/8

11:55 pm-6:37 pm

3 stops27h 42m

$1,033

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Thu 12/4

2:38 pm-10:50 pm

2 stops23h 12m

Riyadh King Khaled Intl

Mon 12/8

11:55 pm-4:06 pm

3 stops25h 11m

$1,085

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Thu 12/4

11:50 am-10:15 am

2 stops37h 25m

Riyadh King Khaled Intl

Mon 12/8

5:05 am-7:06 pm

2 stops23h 01m

$1,240

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Thu 12/4

1:00 pm-7:55 pm

2 stops21h 55m

Riyadh King Khaled Intl

Mon 12/8

6:25 am-9:40 pm

2 stops24h 15m

$1,333

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Thu 12/4

3:22 pm-3:35 am

2 stops27h 13m

Riyadh King Khaled Intl

Mon 12/8

5:05 am-7:29 pm

2 stops23h 24m

$1,449

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Mon 2/9

1:15 pm-7:55 pm

2 stops21h 40m

Riyadh King Khaled Intl

Tue 2/17

2:00 am-8:23 pm

2 stops27h 23m

$3,193

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Mon 2/9

6:40 pm-4:50 am

2 stops25h 10m

Riyadh King Khaled Intl

Tue 2/17

2:00 am-3:29 pm

2 stops46h 29m

$3,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Compare providers for flights from St. Louis to Riyadh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Riyadh in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Riyadh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Riyadh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Riyadh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Riyadh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Riyadh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Riyadh

Have a flexible travel schedule? Discover the best time to fly to Riyadh 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 Riyadh

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

Find hourly flight availability from St. Louis to Riyadh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

When flying from St. Louis to Riyadh, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Riyadh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Delta, KLM, and American Airlines fly from St. Louis to Riyadh in about 23h 12m. The time it takes to get you to your destination can typically vary by up to 14h 13m. There are 7228 mi between St. Louis and Riyadh. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Riyadh 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 Riyadh?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Riyadh (average of $910). Flying from St. Louis to Riyadh in June is currently the most expensive (average of $1,305). 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

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