Cheap flights from Riyadh to St. Louis from $763

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Riyadh to St. Louis departing on 12/14. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
1:00 am - 10:44 pm
RUH
-
STL
30h 44m2 stops
British Airways Logo
6:00 am - 10:55 pm
STL
-
RUH
31h 55m2 stops
$809British Airways
Fri, Jan 23 - Tue, Jan 27
British Airways Logo
1:00 am - 10:44 pm
RUH
-
STL
30h 44m2 stops
British Airways Logo
3:20 pm - 10:55 pm
STL
-
RUH
22h 35m2 stops
$810British Airways
Fri, Jan 23 - Tue, Jan 27

British Airways flights from Riyadh to St. Louis

Our best British Airways deals on Riyadh to St. Louis flight tickets
British Airways
Jan 23
RUH1:00 amRiyadh King Khaled Intl
30h 44m
2 stops
STL10:44 pmLambert-St Louis
Jan 27
STL6:00 amLambert-St Louis
31h 55m
2 stops
RUH10:55 pmRiyadh King Khaled Intl
British Airways
Jan 23
RUH1:00 amRiyadh King Khaled Intl
30h 44m
2 stops
STL10:44 pmLambert-St Louis
Jan 27
STL6:46 pmLambert-St Louis
49h 49m
2 stops
RUH5:35 amRiyadh King Khaled Intl

momondo Fare Finder

 
Customize your flight search to find flights from Riyadh to St. Louis 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 December 11, 2025.
Use the filters below to find and compare flights from Riyadh to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Fri 1/23

1:00 am-10:44 pm

2 stops30h 44m

Lambert-St Louis

Tue 1/27

6:00 am-10:55 pm

2 stops31h 55m

$809

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Fri 1/23

1:00 am-10:44 pm

2 stops30h 44m

Lambert-St Louis

Tue 1/27

3:20 pm-10:55 pm

2 stops22h 35m

$810

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Sun 12/14

1:25 pm-9:52 am

3 stops29h 27m

$763

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Sat 12/13

2:00 am-1:55 pm

1 stop20h 55m

$911

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 airline that flies from Riyadh King Khaled Intl to Lambert-St Louis?

American Airlines and Lufthansa are the most popular carriers operating from Riyadh King Khaled Intl to Lambert-St Louis

When to book flights from Riyadh to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Riyadh to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Riyadh to St. Louis (RUH to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Riyadh to St. Louis

Fastest flight time

48h 09m

Direct flights

None
The fastest flight from Riyadh to St. Louis takes 48h 09m
There are no direct flights from Riyadh to St. Louis. There are no popular flight routes from Riyadh to St. Louis.
  • How far is Riyadh King Khaled Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 7245.2 mi away from Riyadh King Khaled Intl. A reasonable flight in good conditions will take 48h 09m.

  • When did momondo last update prices for flights from Riyadh King Khaled Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Riyadh King Khaled Intl Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Riyadh King Khaled Intl Airport to Lambert-St Louis 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 Riyadh King Khaled Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
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Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
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Festus
Clayton
Glencoe
Edwardsville
Eureka
Litchfield
Shrewsbury

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Can I find flights from Riyadh to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Riyadh to St. Louis flights to just show those with flexible booking policies.

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1 adult
Sat 1/10
Sat 1/17

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