How long is the flight from Riyadh to St. Louis?

For as low as $872, British Airways can have you in St. Louis from Riyadh in 29h 44m. There are 7228 mi between Riyadh and St. Louis. This flight may include one or multiple stops.

What is the cheapest month to book a flight from Riyadh to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Riyadh to St. Louis (average of $311). Flying from Riyadh to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Riyadh to St. Louis?

Travelers seeking maximum savings on their Riyadh to St. Louis flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from RUH to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riyadh to St. Louis as you normally would.

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.

$872+ Cheap Flights from Riyadh to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Riyadh to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Riyadh to St. Louis

Round-trip from	$872 (British Airways)

From Riyadh King Khaled Intl to Lambert-St Louis

Search Deals

Find flight deals from Riyadh to St. Louis

Best flights from Riyadh to St. Louis
Discover carefully curated flight deals from Riyadh to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Wed 2/111:00 amRUH - STL

2 stops29h 44mBritish Airways

Mon 2/164:04 pmSTL - RUH

2 stops45h 51mBritish Airways

Deal found 9/9

$872

Thu 2/1211:55 pmRUH - STL

3 stops32h 45mKLM

Mon 2/167:05 pmSTL - RUH

2 stops18h 45mKLM

Deal found 9/9

$1,641

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

4:04 pm-10:55 pm

2 stops45h 51m

$872

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 2/12

11:55 pm-11:40 pm

3 stops32h 45m

Lambert-St Louis

Mon 2/16

7:05 pm-10:50 pm

2 stops18h 45m

$1,641

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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

How long is the flight from Riyadh to St. Louis?
For as low as $872, British Airways can have you in St. Louis from Riyadh in 29h 44m. There are 7228 mi between Riyadh and St. Louis. This flight may include one or multiple stops.
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.
What is the cheapest month to book a flight from Riyadh to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Riyadh to St. Louis (average of $311). Flying from Riyadh to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$872+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Riyadh to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Riyadh to St. Louis

Round-trip from

Find flight deals from Riyadh to St. Louis

Best flights from Riyadh to St. LouisDiscover carefully curated flight deals from Riyadh to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Discover carefully curated flight deals from Riyadh to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Riyadh to St. Louis that are best for you.