Cheap flights from St. Louis to Riyadh from $1,216

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Riyadh departing on 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:15 pm - 7:55 pm
STL
-
RUH
19h 40m
2 stops
Air Canada Logo
2:00 am - 3:30 pm
RUH
-
STL
45h 30m
2 stops
$1,216Air Canada
Mon, Oct 26 - Wed, Oct 28
Multiple Airlines Logo
1:05 pm - 7:00 pm
STL
-
RUH
21h 55m
2 stops
Multiple Airlines Logo
2:55 am - 6:42 pm
RUH
-
STL
23h 47m
2 stops
$1,308Multiple Airlines
Sun, May 24 - Tue, Aug 11
Multiple Airlines Logo
1:05 pm - 10:25 pm
STL
-
RUH
25h 20m
2 stops
Multiple Airlines Logo
2:35 am - 8:25 pm
RUH
-
STL
25h 50m
2 stops
$1,309Multiple Airlines
Mon, May 25 - Thu, Jun 25
Multiple Airlines Logo
1:05 pm - 7:00 pm
STL
-
RUH
21h 55m
2 stops
Multiple Airlines Logo
11:55 pm - 6:42 pm
RUH
-
STL
26h 47m
3 stops
$1,314Multiple Airlines
Sun, May 24 - Wed, Aug 12
Delta Logo
11:25 am - 6:15 am
STL
-
RUH
34h 50m
2 stops
Delta Logo
8:45 am - 8:08 am
RUH
-
STL
31h 23m
2 stops
$1,347Delta
Tue, May 26 - Thu, Aug 13
Multiple Airlines Logo
4:00 pm - 10:50 pm
STL
-
RUH
22h 50m
2 stops
Multiple Airlines Logo
2:00 am - 4:46 pm
RUH
-
STL
22h 46m
2 stops
$1,364Multiple Airlines
Sat, Jun 20 - Fri, Jun 26
Air France Logo
5:36 pm - 6:35 am
STL
-
RUH
28h 59m
2 stops
Air France Logo
2:00 am - 4:46 pm
RUH
-
STL
22h 46m
2 stops
$1,378Air France
Fri, May 22 - Thu, Jun 25
Multiple Airlines Logo
11:25 am - 6:45 pm
STL
-
RUH
23h 20m
2 stops
Multiple Airlines Logo
8:45 am - 11:26 pm
RUH
-
STL
22h 41m
2 stops
$1,477Multiple Airlines
Sat, May 23 - Tue, Aug 11
Air France Logo
5:36 pm - 6:35 am
STL
-
RUH
28h 59m
2 stops
Air France Logo
2:00 am - 4:46 pm
RUH
-
STL
22h 46m
2 stops
$1,489Air France
Fri, May 22 - Thu, Jun 25
Delta Logo
11:25 am - 6:15 am
STL
-
RUH
34h 50m
2 stops
Delta Logo
8:45 am - 11:58 pm
RUH
-
STL
23h 13m
2 stops
$1,492Delta
Tue, May 26 - Tue, Aug 11

American Airlines flights from St. Louis to Riyadh

Our best American Airlines deals on St. Louis to Riyadh flight tickets
American Airlines
May 24
STL2:33 pmLambert-St Louis
24h 57m
2 stops
RUH11:30 pmRiyadh King Khaled Intl
Aug 11
RUH12:35 amRiyadh King Khaled Intl
26h 55m
1 stop
STL7:30 pmLambert-St Louis
$5,796
American Airlines
May 22
STL9:35 pmLambert-St Louis
17h 10m
1 stop
RUH10:45 pmRiyadh King Khaled Intl
Jun 26
RUH5:00 amRiyadh King Khaled Intl
22h 21m
2 stops
STL7:21 pmLambert-St Louis
$5,801
American Airlines
May 25
STL2:36 pmLambert-St Louis
24h 54m
2 stops
RUH11:30 pmRiyadh King Khaled Intl
Jun 25
RUH12:35 amRiyadh King Khaled Intl
26h 55m
1 stop
STL7:30 pmLambert-St Louis
$5,985

Delta flights from St. Louis to Riyadh

Our best Delta deals on St. Louis to Riyadh flight tickets
Delta
May 26
STL11:25 amLambert-St Louis
34h 50m
2 stops
RUH6:15 amRiyadh King Khaled Intl
Aug 13
RUH8:45 amRiyadh King Khaled Intl
31h 23m
2 stops
STL8:08 amLambert-St Louis
$1,347
Delta
May 26
STL11:25 amLambert-St Louis
34h 50m
2 stops
RUH6:15 amRiyadh King Khaled Intl
Aug 11
RUH8:45 amRiyadh King Khaled Intl
23h 13m
2 stops
STL11:58 pmLambert-St Louis
$1,492
Delta
May 22
STL5:36 pmLambert-St Louis
28h 59m
2 stops
RUH6:35 amRiyadh King Khaled Intl
Aug 13
RUH8:45 amRiyadh King Khaled Intl
31h 23m
2 stops
STL8:08 amLambert-St Louis
$1,536

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Riyadh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from St. Louis to Riyadh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Mon 10/26

4:15 pm-7:55 pm

2 stops19h 40m

Riyadh King Khaled Intl

Wed 10/28

2:00 am-3:30 pm

2 stops45h 30m

$1,216

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 5/24

1:05 pm-7:00 pm

2 stops21h 55m

Riyadh King Khaled Intl

Tue 8/11

2:55 am-6:42 pm

2 stops23h 47m

$1,308

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Mon 5/25

1:05 pm-10:25 pm

2 stops25h 20m

Riyadh King Khaled Intl

Thu 6/25

2:35 am-8:25 pm

2 stops25h 50m

$1,309

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 5/24

1:05 pm-7:00 pm

2 stops21h 55m

Riyadh King Khaled Intl

Wed 8/12

11:55 pm-6:42 pm

3 stops26h 47m

$1,314

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Tue 5/26

11:25 am-6:15 am

2 stops34h 50m

Riyadh King Khaled Intl

Thu 8/13

8:45 am-8:08 am

2 stops31h 23m

$1,347
Quickest round-trip

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 6/20

4:00 pm-10:50 pm

2 stops22h 50m

Riyadh King Khaled Intl

Fri 6/26

2:00 am-4:46 pm

2 stops22h 46m

$1,364

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Fri 5/22

5:36 pm-6:35 am

2 stops28h 59m

Riyadh King Khaled Intl

Thu 6/25

2:00 am-4:46 pm

2 stops22h 46m

$1,378

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 5/23

11:25 am-6:45 pm

2 stops23h 20m

Riyadh King Khaled Intl

Tue 8/11

8:45 am-11:26 pm

2 stops22h 41m

$1,477

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Fri 5/22

5:36 pm-6:35 am

2 stops28h 59m

Riyadh King Khaled Intl

Thu 6/25

2:00 am-4:46 pm

2 stops22h 46m

$1,489

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Tue 5/26

11:25 am-6:15 am

2 stops34h 50m

Riyadh King Khaled Intl

Tue 8/11

8:45 am-11:58 pm

2 stops23h 13m

$1,492

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

Fastest flight time

26h 22m

Direct flights

None
The fastest flight from St. Louis to Riyadh takes 26h 22m
There are no direct flights from St. Louis to Riyadh. There are no popular flight routes from St. Louis to Riyadh.

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 26h 22m.

  • 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.

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1 adult
Sat 6/6
Sat 6/13

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