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Cheap flights from St. Louis to Riyadh from $1,027

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 12/6. 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.
Lufthansa Logo
6:42 pm - 4:50 amSTL-RUH
25h 08m2 stops
Lufthansa Logo
6:25 am - 11:42 pmRUH-STL
26h 17m2 stops
$1,027Lufthansa
Find Deal
Sat, Dec 6 - Wed, Dec 10
Lufthansa Logo
6:42 pm - 4:50 amSTL-RUH
25h 08m2 stops
Lufthansa Logo
2:00 am - 1:55 pmRUH-STL
20h 55m1 stop
$1,028Lufthansa
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
4:05 pm - 7:55 pmSTL-RUH
42h 50m2 stops
Multiple Airlines Logo
6:25 am - 9:40 pmRUH-STL
24h 15m2 stops
$3,267Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
4:05 pm - 7:55 pmSTL-RUH
42h 50m2 stops
Multiple Airlines Logo
2:00 am - 1:55 pmRUH-STL
20h 55m1 stop
$3,268Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Air Canada Logo
4:05 pm - 7:55 pmSTL-RUH
42h 50m2 stops
Air Canada Logo
2:00 am - 3:29 pmRUH-STL
46h 29m2 stops
$3,274Air Canada
Find Deal
Sat, Dec 6 - Sat, Dec 13
Air Canada Logo
4:05 pm - 7:55 pmSTL-RUH
42h 50m2 stops
Air Canada Logo
2:00 am - 3:29 pmRUH-STL
46h 29m2 stops
$3,294Air Canada
Find Deal
Sun, Dec 7 - Sat, Dec 13
Royal Jordanian Logo
1:59 pm - 7:20 pmSTL-RUH
20h 21m2 stops
Royal Jordanian Logo
6:30 am - 7:06 pmRUH-STL
21h 36m2 stops
$4,558Royal Jordanian
Find Deal
Mon, Dec 8 - Sun, Dec 14
Royal Jordanian Logo
1:59 pm - 7:20 pmSTL-RUH
20h 21m2 stops
Royal Jordanian Logo
6:30 am - 7:06 pmRUH-STL
21h 36m2 stops
$4,851Royal Jordanian
Find Deal
Sun, Dec 7 - Sun, Dec 14
Turkish Airlines Logo
5:27 pm - 12:45 amSTL-RUH
22h 18m2 stops
Turkish Airlines Logo
7:10 pm - 3:40 pmRUH-STL
29h 30m2 stops
$5,019Turkish Airlines
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Sun, Dec 7 - Sat, Dec 13
Turkish Airlines Logo
5:27 pm - 5:50 amSTL-RUH
27h 23m2 stops
Turkish Airlines Logo
1:25 pm - 2:23 pmRUH-STL
33h 58m2 stops
$5,070Turkish Airlines
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Sat, Dec 6 - Sun, Dec 14

Air Canada flights from St. Louis to Riyadh

Our best Air Canada deals on St. Louis to Riyadh flight tickets
Air Canada
Dec 6
STL4:05 pmLambert-St Louis
42h 50m
2 stops
RUH7:55 pmRiyadh King Khaled Intl
Dec 13
RUH2:00 amRiyadh King Khaled Intl
46h 29m
2 stops
STL3:29 pmLambert-St Louis
$3,274
Find similar
Air Canada
Dec 7
STL4:05 pmLambert-St Louis
42h 50m
2 stops
RUH7:55 pmRiyadh King Khaled Intl
Dec 13
RUH2:00 amRiyadh King Khaled Intl
46h 29m
2 stops
STL3:29 pmLambert-St Louis
$3,294
Find similar
Air Canada
Dec 6
STL4:05 pmLambert-St Louis
42h 50m
2 stops
RUH7:55 pmRiyadh King Khaled Intl
Dec 11
RUH2:00 amRiyadh King Khaled Intl
46h 29m
2 stops
STL3:29 pmLambert-St Louis
$5,345
Find similar

Royal Jordanian flights from St. Louis to Riyadh

Our best Royal Jordanian deals on St. Louis to Riyadh flight tickets
Royal Jordanian
Dec 8
STL1:59 pmLambert-St Louis
20h 21m
2 stops
RUH7:20 pmRiyadh King Khaled Intl
Dec 14
RUH6:30 amRiyadh King Khaled Intl
21h 36m
2 stops
STL7:06 pmLambert-St Louis
$4,558
Find similar
Royal Jordanian
Dec 7
STL1:59 pmLambert-St Louis
20h 21m
2 stops
RUH7:20 pmRiyadh King Khaled Intl
Dec 14
RUH6:30 amRiyadh King Khaled Intl
21h 36m
2 stops
STL7:06 pmLambert-St Louis
$4,851
Find similar

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 October 24, 2025.
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

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

6:42 pm-4:50 am

2 stops25h 08m

Riyadh King Khaled Intl

Wed 12/10

6:25 am-11:42 pm

2 stops26h 17m

$1,027

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

6:42 pm-4:50 am

2 stops25h 08m

Riyadh King Khaled Intl

Tue 12/9

2:00 am-1:55 pm

1 stop20h 55m

$1,028

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

4:05 pm-7:55 pm

2 stops42h 50m

Riyadh King Khaled Intl

Fri 12/12

6:25 am-9:40 pm

2 stops24h 15m

$3,267

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

4:05 pm-7:55 pm

2 stops42h 50m

Riyadh King Khaled Intl

Sat 12/13

2:00 am-1:55 pm

1 stop20h 55m

$3,268

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

4:05 pm-7:55 pm

2 stops42h 50m

Riyadh King Khaled Intl

Sat 12/13

2:00 am-3:29 pm

2 stops46h 29m

$3,274

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 12/7

4:05 pm-7:55 pm

2 stops42h 50m

Riyadh King Khaled Intl

Sat 12/13

2:00 am-3:29 pm

2 stops46h 29m

$3,294

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Mon 12/8

1:59 pm-7:20 pm

2 stops20h 21m

Riyadh King Khaled Intl

Sun 12/14

6:30 am-7:06 pm

2 stops21h 36m

$4,558

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 12/7

1:59 pm-7:20 pm

2 stops20h 21m

Riyadh King Khaled Intl

Sun 12/14

6:30 am-7:06 pm

2 stops21h 36m

$4,851

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sun 12/7

5:27 pm-12:45 am

2 stops22h 18m

Riyadh King Khaled Intl

Sat 12/13

7:10 pm-3:40 pm

2 stops29h 30m

$5,019

St. LouisRiyadh

STL - RUH

STLRUH

Lambert-St Louis

Sat 12/6

5:27 pm-5:50 am

2 stops27h 23m

Riyadh King Khaled Intl

Sun 12/14

1:25 pm-2:23 pm

2 stops33h 58m

$5,070

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Riyadh from

How to get the cheapest flight ticket from St. Louis to Riyadh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Riyadh?

Our data shows that the cheapest St. Louis to Riyadh flights are usually those with departure times in the afternoon. Our users have found flights to Riyadh in the afternoon for as low as $1,155. Flights in the morning are often more expensive with an average ticket price of $1,269.

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

Direct flights

None
There are no direct flights from St. Louis to Riyadh. There are no popular flight routes from St. Louis to Riyadh.
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  • 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 18h 50m.

  • 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.

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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