How do I get Price Alerts for flights from St. Louis to Riyadh?

Confirm your travel details to search for the latest offers for flights from St. Louis to Riyadh . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from St. Louis to Riyadh with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport?

Prices for flights from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport were last updated today.

How old do you have to be to fly from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport.

What documentation or ID do you need to fly to Riyadh King Khaled Intl Airport?

The necessary travel and health documents for your Riyadh King Khaled Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,326 Cheap Flights from St. Louis to Riyadh in 2026/27

Find the cheapest flights from St. Louis to Riyadh

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:54 pm - 2:55 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

59h 01m2 stops Dallas/Fort Worth Doha Hamad Intl

5:25 am - 8:31 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

24h 06m2 stops Doha Hamad Intl Philadelphia

$1,326Qatar Airways

Thu, Feb 18 - Mon, Feb 22

4:05 pm - 7:55 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

43h 50m2 stops Toronto Pearson Intl Frankfurt am Main

2:00 am - 3:26 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

45h 26m2 stops Frankfurt am Main Toronto Pearson Intl

$1,332Air Canada

Sun, Mar 28 - Wed, Mar 31

6:00 am - 12:25 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

45h 25m2 stops Seattle/Tacoma Intl Istanbul

9:40 pm - 6:26 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

29h 46m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,685Multiple Airlines

Thu, Nov 19 - Wed, Dec 2

7:30 am - 12:55 amSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

32h 25m2 stops Chicago O'Hare Intl Istanbul

2:25 am - 9:29 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

28h 04m2 stops Istanbul Chicago O'Hare Intl

$1,744Turkish Airlines

Thu, Nov 19 - Fri, Dec 4

6:00 am - 12:15 amSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

33h 15m2 stops Seattle/Tacoma Intl Istanbul

12:05 am - 3:26 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

48h 21m3 stops Dammam King Fahad Intl Amsterdam Schiphol Toronto Pearson Intl

$1,799Multiple Airlines

Thu, Nov 19 - Tue, Dec 1

7:30 am - 12:55 amSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

32h 25m2 stops Chicago O'Hare Intl Istanbul

2:25 am - 9:40 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

28h 15m2 stops Istanbul Chicago O'Hare Intl

$1,854Turkish Airlines

Thu, Nov 19 - Sun, Nov 29

4:30 pm - 11:55 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

22h 25m2 stops Atlanta Hartsfield-Jackson Istanbul

2:25 am - 8:55 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

27h 30m2 stops Istanbul Detroit Metropolitan Wayne County

$1,919Multiple Airlines

Sat, Dec 19 - Fri, Dec 25

7:30 am - 12:25 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

19h 55m2 stops Chicago O'Hare Intl Istanbul

2:25 am - 9:40 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

28h 15m2 stops Istanbul Chicago O'Hare Intl

$2,079Turkish Airlines

Thu, Nov 19 - Sat, Nov 28

11:29 am - 10:25 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

25h 56m2 stops Newark Rome Fiumicino

2:55 am - 10:15 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

28h 20m2 stops Rome Fiumicino Newark

$2,738Lufthansa

Sun, Nov 29 - Fri, Dec 4

3:40 pm - 7:55 pmSTL Lambert-St Louis-RUH Riyadh King Khaled Intl

19h 15m1 stop Frankfurt am Main

2:00 am - 5:05 pmRUH Riyadh King Khaled Intl-STL Lambert-St Louis

24h 05m2 stops Frankfurt am Main Chicago O'Hare Intl

$4,339Lufthansa

Sun, Nov 29 - Fri, Dec 4

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Turkish Airlines flights from St. Louis to Riyadh

Our best Turkish Airlines deals on St. Louis to Riyadh flight tickets

Turkish Airlines

Nov 19

STL7:30 amLambert-St Louis

32h 25m

2 stops

RUH12:55 amRiyadh King Khaled Intl

Dec 4

RUH2:25 amRiyadh King Khaled Intl

28h 04m

2 stops

STL9:29 pmLambert-St Louis

$1,744

Turkish Airlines

Nov 19

STL7:30 amLambert-St Louis

32h 25m

2 stops

RUH12:55 amRiyadh King Khaled Intl

Nov 29

RUH2:25 amRiyadh King Khaled Intl

28h 15m

2 stops

STL9:40 pmLambert-St Louis

$1,854

Turkish Airlines

Nov 19

STL7:30 amLambert-St Louis

19h 55m

2 stops

RUH12:25 pmRiyadh King Khaled Intl

Nov 28

RUH2:25 amRiyadh King Khaled Intl

28h 15m

2 stops

STL9:40 pmLambert-St Louis

$2,079

British Airways flights from St. Louis to Riyadh

Our best British Airways deals on St. Louis to Riyadh flight tickets

British Airways

Mar 28

STL9:40 pmLambert-St Louis

24h 50m

1 stop

RUH6:30 amRiyadh King Khaled Intl

Mar 31

RUH12:35 amRiyadh King Khaled Intl

26h 55m

1 stop

STL7:30 pmLambert-St Louis

$8,429

British Airways

Mar 28

STL2:23 pmLambert-St Louis

24h 22m

2 stops

RUH10:45 pmRiyadh King Khaled Intl

Mar 31

RUH12:35 amRiyadh King Khaled Intl

26h 55m

1 stop

STL7:30 pmLambert-St Louis

$8,433

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 2/18

6:54 pm-2:55 pm

2 stops59h 01m

Riyadh King Khaled Intl

Mon 2/22

5:25 am-8:31 pm

2 stops24h 06m

$1,326

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 3/28

4:05 pm-7:55 pm

2 stops43h 50m

Riyadh King Khaled Intl

Wed 3/31

2:00 am-3:26 pm

2 stops45h 26m

$1,332

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 11/19

6:00 am-12:25 pm

2 stops45h 25m

Riyadh King Khaled Intl

Wed 12/2

9:40 pm-6:26 pm

2 stops29h 46m

$1,685

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 11/19

7:30 am-12:55 am

2 stops32h 25m

Riyadh King Khaled Intl

Fri 12/4

2:25 am-9:29 pm

2 stops28h 04m

$1,744

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 11/19

6:00 am-12:15 am

2 stops33h 15m

Riyadh King Khaled Intl

Tue 12/1

12:05 am-3:26 pm

3 stops48h 21m

$1,799

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 11/19

7:30 am-12:55 am

2 stops32h 25m

Riyadh King Khaled Intl

Sun 11/29

2:25 am-9:40 pm

2 stops28h 15m

$1,854

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sat 12/19

4:30 pm-11:55 pm

2 stops22h 25m

Riyadh King Khaled Intl

Fri 12/25

2:25 am-8:55 pm

2 stops27h 30m

$1,919

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Thu 11/19

7:30 am-12:25 pm

2 stops19h 55m

Riyadh King Khaled Intl

Sat 11/28

2:25 am-9:40 pm

2 stops28h 15m

$2,079

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 11/29

11:29 am-10:25 pm

2 stops25h 56m

Riyadh King Khaled Intl

Fri 12/4

2:55 am-10:15 pm

2 stops28h 20m

$2,738

Quickest round-trip

St. LouisRiyadh

STL Lambert-St Louis - RUH Riyadh King Khaled Intl

STLRUH

Lambert-St Louis

Sun 11/29

3:40 pm-7:55 pm

1 stop19h 15m

Riyadh King Khaled Intl

Fri 12/4

2:00 am-5:05 pm

2 stops24h 05m

$4,339

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Riyadh

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Riyadh according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Riyadh (STL to RUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Riyadh

Best Price Found	$1,326
Fastest flight time	20h 07m
Direct flights	None

The best flight deal from St. Louis to Riyadh found on momondo in the last 72 hours is $1,326

The fastest flight from St. Louis to Riyadh takes 20h 07m

There are no direct flights from St. Louis to Riyadh. There are no popular flight routes from St. Louis to Riyadh.

Search flight deals

Frequently asked questions about flying from St. Louis to Riyadh

How far is Lambert-St Louis to Riyadh King Khaled Intl by plane?
Lambert-St Louis and Riyadh King Khaled Intl are 7245.2 mi apart from one another. In terms of flight time, this usually takes a little over 20h 07m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport?
Prices for flights from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport were last updated today.
How old do you have to be to fly from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Riyadh King Khaled Intl Airport.
What documentation or ID do you need to fly to Riyadh King Khaled Intl Airport?
The necessary travel and health documents for your Riyadh King Khaled Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from St. Louis to Riyadh

How do I get Price Alerts for flights from St. Louis to Riyadh?
Confirm your travel details to search for the latest offers for flights from St. Louis to Riyadh. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from St. Louis to Riyadh with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Riyadh?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Riyadh. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Riyadh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Riyadh flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Riyadh?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Riyadh.

I’m not ready to book a flight from St. Louis to Riyadh right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Riyadh flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.