Riyadh

$925+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RUH
Jul 8 — Jul 151
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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 July 3, 2025.

This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:05 pmSTL - RUH
2 stops26h 20mMultiple Airlines
Tue 10/289:50 amRUH - STL
2 stops37h 39mMultiple Airlines
Deal found 7/3$925
This KLM deal was found by Cheapflights users on 7/3. 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.
Sat 10/255:40 pmSTL - RUH
2 stops21h 10mKLM
Tue 10/2811:55 pmRUH - STL
3 stops24h 56mKLM
Deal found 7/3$983
This Lufthansa deal was found by Cheapflights users on 7/2. 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.
Sat 12/66:45 pmSTL - RUH
2 stops40h 10mLufthansa
Tue 12/92:00 amRUH - STL
1 stop20h 55mLufthansa
Deal found 7/2$1,070
This Qatar Airways deal was found by Cheapflights users on 7/2. 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.
Sat 12/612:54 pmSTL - RUH
2 stops23h 21mQatar Airways
Wed 12/1010:45 pmRUH - STL
2 stops26h 22mQatar Airways
Deal found 7/2$1,479

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 July 3, 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.
  • 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, March is the cheapest month in which you can book a flight from St. Louis to Riyadh (average of $923). Flying from St. Louis to Riyadh in June is currently the most expensive (average of $1,312). 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.

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