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$946+ Cheap flights from Riyadh (RUH) to St. Louis (STL)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
RUH — STL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Riyadh to St. Louis

Cheapest flights from Riyadh to St. Louis
Explore the most affordable flight options available from Riyadh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:00 am
RUH
-
STL
2 stops31h 04m
British Airways
Mon 2/2310:37 am
STL
-
RUH
2 stops27h 18m
British Airways
Deal found 1/25$946

Find flight deals from Riyadh to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Riyadh (RUH) to St. Louis (STL). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$946
(British Airways)
Provider with most accurate pricing for Riyadh King Khaled Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Riyadh King Khaled Intl-Lambert-St Louis flights.
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From Riyadh King Khaled Intl to Lambert-St Louis
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Riyadh to St. Louis 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 January 27, 2026.
Use the filters below to find and compare flights from Riyadh to St. Louis that are best for you.

Fly from

Riyadh

Fly to

St. Louis

Route

Depart

Return

Price

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 2/18

1:00 am-11:04 pm

2 stops31h 04m

Lambert-St Louis

Mon 2/23

10:37 am-10:55 pm

2 stops27h 18m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

  • Most accurate provider: When it comes to deals on Riyadh-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Riyadh-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Riyadh-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Riyadh-St. Louis 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 Riyadh-St. Louis 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 Riyadh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Riyadh 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 Riyadh to St. Louis. 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 Riyadh to St. Louis?

    For as low as $946, British Airways can have you in St. Louis from Riyadh in 31h 04m. There are 7228 mi between Riyadh and St. Louis.

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

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

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

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

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

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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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O'Fallon
Swansea
Fairview Heights
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Glencoe
Chesterfield
Alton
Farmington
Festus

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