Cheap flights from St Louis to Riyadh

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Compare St Louis to Riyadh flight deals

Find the cheapest month or even day of the year to fly to Riyadh

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Flight deals from St Louis to Riyadh

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Riyadh? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from St Louis to Riyadh

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Riyadh flights are currently cheapest in March.

St Louis to Riyadh: Alternative routes

Compare routes from St Louis to Riyadh below. You may find an airport to fly into that's cheaper, faster, or easier than Riyadh.

St Louis to Riyadh: Flight information

The things to know before you go.
Cheapest flight found$1,179
Cheapest month to flyMarch

Finding cheap flights from St Louis to Riyadh: Frequently asked questions

The best price we found for a round-trip flight from St Louis to Riyadh is $1,179. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Riyadh. But we found flights with one or more stops from $1,179.
There are no flights flying from St Louis to Riyadh, as of February 2025.
The cheapest month to fly from St Louis to Riyadh is usually February 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Riyadh Airport on Thursday, March 27, 2025.
No airlines currently offer direct flights between St Louis Airport and Riyadh Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Riyadh but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Riyadh is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Qatar Airways offers the cheapest flight tickets to Riyadh.

Flying from Lambert-St. Louis International Airport (STL) to King Khaled International Airport (RUH): what you need to know

  • You'll likely experience longer lines during popular months like July and other peak seasons. Arriving up to fours hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you'd like to visit a different city along the way, think about a flight with a stopover. To see your options for flights from Lambert-St. Louis International Airport to King Khaled International Airport, deselect 'Direct flights only.' Frankfurt Airport is a popular stop between STL and RUH.

  • Don't forget, you might need a visa to enter Saudi Arabia. Visa regulations can vary and travel documentation requirements change often. Before locking in your cheap ticket from STL to RUH, be sure to check with your carrier and your destination country's local embassy or consulate for the latest information.

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to King Khaled International Airport (RUH)

  • $1,338 is the lowest price for a one-way ticket from Lambert-St. Louis International Airport to King Khaled International Airport. A return flight starts from $1,179. These prices may change based on availability.

  • Don't wait until the last minute. You're more likely to find cheap tickets from STL to RUH if you book in advance. Airlines often have some fantastic early bird rates.

  • Finding cheap tickets from Lambert-St. Louis International Airport to King Khaled International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' search function to see the lowest prices across every month and snap up a great deal.

  • Log into your online account or use the app to set up a Price Alert. You'll get notified straight away if there's a better deal on this route. It's simple to do, and it'll save you from checking for cheap tickets from STL to RUH every day.

  • Take advantage of filters to find the ideal journey for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Lambert-St. Louis International Airport to King Khaled International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Lambert-St. Louis International Airport (STL)

  • Lambert-St. Louis International Airport is about 26 kilometers from central St Louis. If you're catching a cab, ride-sharing or driving from the center, it'll take 21 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be approximately 36 minutes.

  • Want an easy start to your trip? Stay near STL. Whether you're on an early flight from Lambert-St. Louis International Airport to King Khaled International Airport or just don't like being rushed, these hotels are just the thing:

Arriving at King Khaled International Airport (RUH)

Getting from King Khaled International Airport (RUH) to central Riyadh

  • King Khaled International Airport to central Riyadh is around 33 minutes in a car. It's approximately 40 kilometers away. See what options are available, such as car rentals, cabs or ride-sharing.

When to fly to King Khaled International Airport (RUH)

  • July is the most popular month for flights from Lambert-St. Louis International Airport to King Khaled International Airport. To steer clear of the crowds, visit Riyadh in April.

  • The warmest month in Riyadh is July, with the temperature ranging between 26ºC and 44ºC. Book your flights from Lambert-St. Louis International Airport to King Khaled International Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from STL to RUH in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 7ºC and 23ºC on average.

More about Riyadh

  • Start your Riyadh trip right by finding a great stay. As soon as you've booked your flight from STL to RUH, explore our range of accommodation options including:

  • There are so many things to discover in this city it can be hard to know where to start. Kingdom Centre Tower, National Museum and Riyadh Zoo are popular attractions which should feature on any good Riyadh itinerary.

Complete your Riyadh trip with hotels and a car rental

  • Once you've secured your cheap ticket to King Khaled International Airport, discover our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to find the best car rental price for your Riyadh vacation.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.