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$1,165+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RUH
Sep 17 — Sep 241
Thu 9/17
Thu 9/24
1 adult, Economy
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Cheap 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 August 18, 2026.

This Air Canada deal was found by Cheapflights users on 8/17. 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.
Mon 11/164:05 pm -
2 stops18h 50m
Thu 11/192:00 am -
2 stops46h 26m
Deal found 8/17$1,165

Find 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 August 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,165
(Air Canada)
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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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 August 18, 2026.
Use the filters below to find and compare flights from St. Louis to Riyadh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Mon 11/16

4:05 pm-7:55 pm

2 stops18h 50m

Riyadh King Khaled Intl

Thu 11/19

2:00 am-3:26 pm

2 stops46h 26m

$1,165
Cheapest one-way

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 9/13

3:40 pm-1:35 pm

3 stops37h 55m

$2,764

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 9/13

11:01 am-9:55 am

2 stops38h 54m

$3,102
Quickest one-way

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 9/13

3:30 pm-7:55 pm

1 stop20h 25m

$4,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Sorted by cheapest first

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*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.

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 Air Canada fly from St. Louis to Riyadh in about 18h 50m. The time it takes to get you to your destination can typically vary by up to . There are 7228 mi between St. Louis and Riyadh.

  • 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.

See more FAQs

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