$751 Cheap Flights from Riyadh (RUH) to St. Louis (STL)

View $751 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from King Khaled Intl. Airport (RUH) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Riyadh to St. Louis (RUH-STL)

Prices were available within the past 7 days and start at $751 for one-way flights and $812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$812 Roundtrip, found 1 day ago
$812
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $812 found 1 day ago
British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $815 found 1 day ago
British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$911 Roundtrip, found 1 day ago
$911
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $911 found 1 day ago
British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$1,017 Roundtrip, found 1 day ago
$1,017
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $1,017 found 1 day ago
British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$1,044 Roundtrip, found 1 day ago
$1,044
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $1,044 found 1 day ago
United
Sun, Dec 21 - Tue, Dec 30
RUH
Riyadh
STL
St. Louis
$1,070 Roundtrip, found 3 days ago
$1,070
Roundtrip
found 3 days ago
Select United flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Dec 30, priced at $1,070 found 3 days ago
British Airways
Sun, Dec 21 - Tue, Jan 6
RUH
Riyadh
STL
St. Louis
$1,075 Roundtrip, found 1 day ago
$1,075
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Dec 21 from Riyadh to St. Louis, returning Tue, Jan 6, priced at $1,075 found 1 day ago
Lufthansa
Wed, Dec 24 - Tue, Dec 30
RUH
Riyadh
STL
St. Louis
$1,088 Roundtrip, found 3 days ago
$1,088
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Dec 24 from Riyadh to St. Louis, returning Tue, Dec 30, priced at $1,088 found 3 days ago
Virgin Atlantic
Thu, Dec 18 - Tue, Dec 30
RUH
Riyadh
STL
St. Louis
$1,194 Roundtrip, found 3 days ago
$1,194
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Thu, Dec 18 from Riyadh to St. Louis, returning Tue, Dec 30, priced at $1,194 found 3 days ago
KLM
Mon, Dec 22 - Wed, Dec 31
RUH
Riyadh
STL
St. Louis
$1,201 Roundtrip, found 3 days ago
$1,201
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Dec 22 from Riyadh to St. Louis, returning Wed, Dec 31, priced at $1,201 found 3 days ago

Frequently asked questions

How much does a flight from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $751 or cheap return flight from $812 from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL)?
December is the least expensive month to fly from RUH to STL. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from RUH to STL. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from RUH to STL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL)?
To land at Lambert-St. Louis Intl. Airport (STL) on time, opt for a flight that leaves from King Khaled Intl. Airport (RUH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book a flight from RUH to STL generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of landing a bargain.
Is it cheaper to book a RUH to STL flight and hotel package?
You'll generally save money by booking a RUH to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from King Khaled Intl. Airport (RUH) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you're able to cancel or reschedule your RUH to STL flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
King Khaled Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$811
Distance
7233 mi

Book with confidence

Riyadh to St. Louis Flights

The cheapest times to fly from Riyadh to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Riyadh to St. Louis are during the month of December. You can find some of the cheapest flights from Riyadh to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Riyadh to St. Louis

Sunday is one of the best days to book for cheap flights from Riyadh to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Riyadh to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Riyadh to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $751 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Riyadh to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Riyadh to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Riyadh to St. Louis Flights

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