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

You can take advantage of momondo’s Price Alerts by first searching for your flights to Riyadh from St. Louis . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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

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

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

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$841 Cheap Flights from Riyadh to St. Louis in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Riyadh to St. Louis

Round-trip

One-way

Cheap round-trip flights

1:00 am - 9:44 pmRUH-STL

29h 44m2 stops

2:21 pm - 10:55 pmSTL-RUH

23h 34m2 stops

$954British Airways

Find Deal

Wed, Feb 11 - Mon, Feb 16

4:40 pm - 12:08 pmRUH-STL

28h 28m2 stops

5:49 pm - 3:35 amSTL-RUH

24h 46m2 stops

$1,245American Airlines

Find Deal

Thu, Feb 12 - Mon, Feb 16

10:30 pm - 4:06 pmRUH-STL

26h 36m2 stops

4:04 pm - 3:35 amSTL-RUH

26h 31m2 stops

$1,266American Airlines

Find Deal

Thu, Feb 12 - Mon, Feb 16

11:55 pm - 9:42 pmRUH-STL

30h 47m3 stops

10:45 am - 10:50 pmSTL-RUH

27h 05m2 stops

$1,477KLM

Find Deal

Thu, Feb 12 - Mon, Feb 16

11:55 pm - 6:04 pmRUH-STL

27h 09m3 stops

7:05 pm - 10:50 pmSTL-RUH

18h 45m2 stops

$1,663KLM

Find Deal

Thu, Feb 12 - Mon, Feb 16

KLM flights from Riyadh to St. Louis

Our best KLM deals on Riyadh to St. Louis flight tickets

KLM

Feb 12

RUH11:55 pmRiyadh King Khaled Intl

30h 47m

3 stops

STL9:42 pmLambert-St Louis

Feb 16

STL10:45 amLambert-St Louis

27h 05m

2 stops

RUH10:50 pmRiyadh King Khaled Intl

$1,477

Find similar

KLM

Feb 12

RUH11:55 pmRiyadh King Khaled Intl

27h 09m

3 stops

STL6:04 pmLambert-St Louis

Feb 16

STL7:05 pmLambert-St Louis

18h 45m

2 stops

RUH10:50 pmRiyadh King Khaled Intl

$1,663

Find similar

American Airlines flights from Riyadh to St. Louis

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

American Airlines

Feb 12

RUH4:40 pmRiyadh King Khaled Intl

28h 28m

2 stops

STL12:08 pmLambert-St Louis

Feb 16

STL5:49 pmLambert-St Louis

24h 46m

2 stops

RUH3:35 amRiyadh King Khaled Intl

$1,245

Find similar

American Airlines

Feb 12

RUH10:30 pmRiyadh King Khaled Intl

26h 36m

2 stops

STL4:06 pmLambert-St Louis

Feb 16

STL4:04 pmLambert-St Louis

26h 31m

2 stops

RUH3:35 amRiyadh King Khaled Intl

$1,266

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 2/11

1:00 am-9:44 pm

2 stops29h 44m

Lambert-St Louis

Mon 2/16

2:21 pm-10:55 pm

2 stops23h 34m

$954

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 2/12

4:40 pm-12:08 pm

2 stops28h 28m

Lambert-St Louis

Mon 2/16

5:49 pm-3:35 am

2 stops24h 46m

$1,245

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 2/12

10:30 pm-4:06 pm

2 stops26h 36m

Lambert-St Louis

Mon 2/16

4:04 pm-3:35 am

2 stops26h 31m

$1,266

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 2/12

11:55 pm-9:42 pm

3 stops30h 47m

Lambert-St Louis

Mon 2/16

10:45 am-10:50 pm

2 stops27h 05m

$1,477

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 2/12

11:55 pm-6:04 pm

3 stops27h 09m

Lambert-St Louis

Mon 2/16

7:05 pm-10:50 pm

2 stops18h 45m

$1,663

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Riyadh to St. Louis

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Riyadh King Khaled Intl to Lambert-St Louis by plane?
Lambert-St Louis is 7245.2 mi away from Riyadh King Khaled Intl. A reasonable flight in good conditions will take 26h 36m.
When did momondo last update prices for flights from Riyadh King Khaled Intl Airport to Lambert-St Louis Airport?
Prices for flights from Riyadh King Khaled Intl Airport to Lambert-St Louis Airport were last updated today.
How old do you have to be to fly from Riyadh King Khaled Intl Airport to Lambert-St Louis 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 Riyadh King Khaled Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Riyadh to St. Louis?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Riyadh from St. Louis. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Riyadh to St. Louis with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

St. Charles

Chesterfield

Fairview Heights

Hermann

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Riyadh to St. Louis for you.

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

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

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

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 Riyadh to St. Louis.

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

Of course. momondo tracks the price of Riyadh to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.