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Riyadh

$668+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RUH
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:33 pm
STL
-
RUH
2 stops29h 07m
American Airlines
Sun 4/193:30 pm
RUH
-
STL
2 stops35h 59m
American Airlines
Deal found 2/17$668
This Ovago deal was found by Cheapflights users on 2/14. 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 3/152:00 pm
STL
-
RUH
2 stops37h 05m
Qatar Airways
Sun 3/224:40 pm
RUH
-
STL
2 stops28h 04m
Qatar Airways
Deal found 2/14$692
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:50 pm
STL
-
RUH
2 stops20h 00m
KLM
Sun 4/1911:55 pm
RUH
-
STL
3 stops24h 47m
KLM
Deal found 2/17$805
This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:35 pm
STL
-
RUH
2 stops49h 15m
Lufthansa
Sat 4/182:00 am
RUH
-
STL
1 stop19h 25m
Lufthansa
Deal found 2/17$909
This Qatar Airways deal was found by Cheapflights users on 2/16. 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.
Thu 2/1910:37 am
STL
-
RUH
2 stops31h 58m
Qatar Airways
Mon 2/2310:30 pm
RUH
-
STL
2 stops23h 03m
Qatar Airways
Deal found 2/16$948
This Delta deal was found by Cheapflights users on 2/14. 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.
Sun 3/156:32 am
STL
-
RUH
2 stops32h 18m
Delta
Sun 3/2211:55 pm
RUH
-
STL
3 stops32h 03m
Delta
Deal found 2/14$1,306
This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:05 pm
STL
-
RUH
3 stops27h 35m
Multiple Airlines
Sun 4/197:25 pm
RUH
-
STL
3 stops27h 59m
Multiple Airlines
Deal found 2/17$1,418
This Mytrip deal was found by Cheapflights users on 2/14. 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 3/154:05 pm
STL
-
RUH
3 stops25h 30m
Multiple Airlines
Sun 3/2211:45 am
RUH
-
STL
3 stops35h 44m
Multiple Airlines
Deal found 2/14$1,790
This Ovago deal was found by Cheapflights users on 2/14. 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 3/154:50 pm
STL
-
RUH
1 stop19h 05m
Lufthansa
Sat 3/212:00 am
RUH
-
STL
1 stop20h 55m
Lufthansa
Deal found 2/14$2,411

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$668
(American Airlines)
Provider with most accurate pricing for Lambert-St Louis-Riyadh King Khaled Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Riyadh King Khaled Intl flights.
Search Deals
From Lambert-St Louis to Riyadh King Khaled Intl
Search Deals

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 February 19, 2026.
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

Tue 4/14

2:33 pm-3:40 am

2 stops29h 07m

Riyadh King Khaled Intl

Sun 4/19

3:30 pm-7:29 pm

2 stops35h 59m

$668

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 3/15

2:00 pm-11:05 am

2 stops37h 05m

Riyadh King Khaled Intl

Sun 3/22

4:40 pm-12:44 pm

2 stops28h 04m

$692

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Tue 4/14

6:50 pm-10:50 pm

2 stops20h 00m

Riyadh King Khaled Intl

Sun 4/19

11:55 pm-4:42 pm

3 stops24h 47m

$805

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Tue 4/14

6:35 pm-3:50 am

2 stops49h 15m

Riyadh King Khaled Intl

Sat 4/18

2:00 am-1:25 pm

1 stop19h 25m

$909

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 3/15

6:32 am-10:50 pm

2 stops32h 18m

Riyadh King Khaled Intl

Sun 3/22

11:55 pm-11:58 pm

3 stops32h 03m

$1,306

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Tue 4/14

4:05 pm-3:40 am

3 stops27h 35m

Riyadh King Khaled Intl

Sun 4/19

7:25 pm-3:24 pm

3 stops27h 59m

$1,418

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 3/15

4:05 pm-1:35 am

3 stops25h 30m

Riyadh King Khaled Intl

Sun 3/22

11:45 am-3:29 pm

3 stops35h 44m

$1,790

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 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.

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 American Airlines, Qatar Airways, and KLM fly from St. Louis to Riyadh in about 20h. The time it takes to get you to your destination can typically vary by up to 17h 05m. 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.

See more FAQs

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