St. Louis

$734+ Cheap flights from Riyadh (RUH) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
RUH — STL
Apr 13 — Apr 201
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riyadh to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Riyadh to St. Louis

Cheapest flights from Riyadh to St. Louis
Explore the most affordable flight options available from Riyadh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This British Airways deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:35 am
RUH
-
STL
2 stops26h 54m
British Airways
Wed 4/152:33 pm
STL
-
RUH
2 stops24h 12m
British Airways
Deal found 3/11$809
This British Airways deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:35 am
RUH
-
STL
2 stops26h 51m
British Airways
Fri 5/18:03 pm
STL
-
RUH
2 stops18h 42m
British Airways
Deal found 3/9$811
This Ovago deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:35 am
RUH
-
STL
2 stops26h 54m
British Airways
Thu 4/167:12 am
STL
-
RUH
2 stops39h 18m
British Airways
Deal found 3/12$866
This British Airways deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:35 am
RUH
-
STL
2 stops26h 54m
British Airways
Tue 4/289:35 pm
STL
-
RUH
1 stop24h 55m
British Airways
Deal found 3/11$884
This KLM deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:55 pm
RUH
-
STL
3 stops28h 49m
Multiple Airlines
Fri 5/111:42 am
STL
-
RUH
2 stops23h 03m
Multiple Airlines
Deal found 3/9$1,165
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:55 pm
RUH
-
STL
3 stops31h 18m
Delta
Tue 4/2811:42 am
STL
-
RUH
2 stops27h 08m
Delta
Deal found 3/11$1,269
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:55 pm
RUH
-
STL
3 stops31h 30m
Delta
Wed 4/154:41 pm
STL
-
RUH
2 stops22h 09m
Delta
Deal found 3/11$1,274
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:55 pm
RUH
-
STL
3 stops25h 10m
Delta
Thu 4/165:35 pm
STL
-
RUH
2 stops29h 30m
Delta
Deal found 3/12$1,289
This Qatar Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 am
RUH
-
STL
2 stops25h 19m
Qatar Airways
Sun 5/102:33 pm
STL
-
RUH
2 stops21h 37m
Qatar Airways
Deal found 3/12$1,299
This Air Canada deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:45 am
RUH
-
STL
2 stops45h 40m
Multiple Airlines
Thu 4/1611:15 am
STL
-
RUH
3 stops24h 40m
Multiple Airlines
Deal found 3/12$1,446
This Lufthansa deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:45 am
RUH
-
STL
2 stops24h 26m
Lufthansa
Fri 5/13:30 pm
STL
-
RUH
1 stop20h 25m
Lufthansa
Deal found 3/9$1,459

Find flight deals from Riyadh to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Riyadh (RUH) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$809
(British Airways)

One-way from

$734
(Etihad Airways)
Provider with most accurate pricing for Riyadh King Khaled Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Riyadh King Khaled Intl-Lambert-St Louis flights.
From Riyadh King Khaled Intl to Lambert-St Louis
One-way flight from Riyadh King Khaled Intl to Lambert-St Louis

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
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

Cheapest round-trip

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Fri 4/17

12:35 am-7:26 pm

2 stops26h 51m

Lambert-St Louis

Fri 5/1

8:03 pm-10:45 pm

2 stops18h 42m

$811

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 4/22

12:35 am-7:29 pm

2 stops26h 54m

Lambert-St Louis

Tue 4/28

9:35 pm-6:30 am

1 stop24h 55m

$884

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Sat 4/18

11:55 pm-8:44 pm

3 stops28h 49m

Lambert-St Louis

Fri 5/1

11:42 am-6:45 pm

2 stops23h 03m

$1,165
Quickest round-trip

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Fri 5/8

5:00 am-7:33 pm

2 stops22h 33m

Lambert-St Louis

Sun 5/10

4:30 pm-8:10 pm

2 stops19h 40m

$1,299

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Fri 4/17

1:45 am-6:11 pm

2 stops24h 26m

Lambert-St Louis

Fri 5/1

3:30 pm-7:55 pm

1 stop20h 25m

$1,459

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 4/8

2:00 am-3:25 pm

2 stops21h 25m

Lambert-St Louis

Thu 4/16

11:15 am-7:55 pm

3 stops24h 40m

$2,392

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 4/8

1:15 pm-10:59 pm

3 stops41h 44m

Lambert-St Louis

Wed 4/15

5:51 am-9:45 am

3 stops43h 54m

$3,730

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 5/7

12:35 am-7:30 pm

1 stop26h 55m

Lambert-St Louis

Sun 5/10

4:30 pm-10:45 pm

2 stops22h 15m

$6,281
Cheapest one-way

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Thu 4/9

2:40 pm-10:07 pm

2 stops39h 27m

$734

RiyadhSt. Louis

RUH - STL

RUHSTL

Riyadh King Khaled Intl

Wed 4/8

5:00 am-10:17 pm

2 stops25h 17m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Riyadh-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Riyadh-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Riyadh-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Riyadh-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Riyadh-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Riyadh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Riyadh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Riyadh to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Riyadh to St. Louis?

    For as low as $1,299, British Airways can have you in St. Louis from Riyadh in 22h 33m. There are 7228 mi between Riyadh and St. Louis. This flight may include one or multiple stops.

  • Can I find deals for flights from Riyadh to St. Louis that include hotel bookings?

    Yes. In addition to deals on Riyadh to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riyadh to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riyadh to St. Louis.

  • Can I find deals for business class flights from Riyadh to St. Louis?

    Yes. Cheapflights offers flight deals from Riyadh to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.