$364+ Cheap flights from Spain 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Find cheap flights from Spain 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 Spain to St. Louis
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Cheapest flights from Spain to St. LouisExplore the most affordable flight options available from Spain to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
Explore the most affordable flight options available from Spain to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 am -
1 stop14h 30m
Wed 9/3012:20 pm -
1 stop13h 40m
Deal found 8/7![Lufthansa logo]()
$904
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop14h 25m
Sat 12/511:45 am -
1 stop14h 30m
Deal found 8/11![Lufthansa logo]()
$905
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:40 am -
1 stop13h 45m
Sun 9/61:00 pm -
1 stop12h 20m
Deal found 8/7![Lufthansa logo]()
$909
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am -
1 stop14h 30m
Sun 9/612:30 pm -
1 stop13h 30m
Deal found 8/7![Lufthansa logo]()
$910
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 pm -
2 stops35h 42m
Sat 10/31:40 pm -
2 stops37h 05m
Deal found 8/12![Scandinavian Airlines logo]()
$911
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:00 am -
2 stops20h 37m
Sat 10/312:14 pm -
1 stop13h 46m
Deal found 8/12![Lufthansa logo]()
$912
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am -
2 stops21h 59m
Thu 10/11:29 pm -
2 stops16h 31m
Deal found 8/10![Lufthansa logo]()
$916
This Flighttix deal was found by Cheapflights users on 8/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am -
1 stop13h 45m
Tue 9/151:00 pm -
1 stop12h 20m
Deal found 8/11![Lufthansa logo]()
$918
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:15 am -
1 stop14h 56m
Mon 9/1412:28 pm -
1 stop13h 32m
Deal found 8/8![Lufthansa logo]()
$926
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:40 am -
1 stop13h 45m
Sun 9/612:30 pm -
2 stops21h 50m
Deal found 8/7![Multiple Airlines logo]()
$927
This Flighttix deal was found by Cheapflights users on 8/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am -
1 stop13h 45m
Tue 9/1511:15 am -
2 stops15h 05m
Deal found 8/11![Multiple Airlines logo]()
$928
This lol.travel deal was found by Cheapflights users on 8/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
2 stops17h 00m
Thu 10/18:55 am -
1 stop17h 25m
Deal found 8/10![Air Canada logo]()
$933
Best flights from Spain to St. LouisDiscover carefully curated flight deals from Spain to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
Discover carefully curated flight deals from Spain to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:45 am -
2 stops23h 24m
Mon 2/17:04 pm -
2 stops21h 06m
Deal found 8/7![United Airlines logo]()
$875
This Flighttix deal was found by Cheapflights users on 8/8. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am -
1 stop14h 30m
Sun 9/612:30 pm -
1 stop13h 30m
Deal found 8/8![Lufthansa logo]()
$910
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:45 am -
3 stops18h 21m
Mon 2/14:05 pm -
3 stops37h 45m
Deal found 8/9![Air Canada logo]()
$923
This Delta deal was found by Cheapflights users on 8/7. 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.
Sun 8/306:00 am -
2 stops15h 33m
Sun 9/610:33 am -
2 stops17h 47m
Deal found 8/7![Delta logo]()
$945
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2111:55 am -
2 stops19h 03m
Mon 1/2511:31 am -
2 stops22h 19m
Deal found 8/7![American Airlines logo]()
$1,067
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:40 am -
2 stops21h 28m
Sun 1/3110:12 am -
2 stops15h 28m
Deal found 8/11![Iberia logo]()
$1,138
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Fri 12/186:45 am -
3 stops18h 28m
Sat 12/264:05 pm -
2 stops23h 45m
Deal found 8/7![Multiple Airlines logo]()
$1,209
This Finnair deal was found by Cheapflights users on 8/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/219:20 am -
2 stops21h 39m
Mon 1/2511:55 am -
2 stops18h 05m
Deal found 8/8![Finnair logo]()
$1,265
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/226:05 am -
1 stop14h 40m
Tue 1/267:33 am -
2 stops18h 42m
Deal found 8/8![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:50 am -
2 stops21h 23m
Mon 2/88:33 am -
2 stops16h 47m
Deal found 8/7![United Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:05 am -
2 stops20h 35m
Sun 1/245:20 pm -
1 stop32h 55m
Deal found 8/11![United Airlines logo]()
$882
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:40 am -
2 stops18h 37m
Mon 11/161:15 pm -
2 stops16h 25m
Deal found 8/10![American Airlines logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 am -
2 stops19h 46m
Wed 9/308:00 am -
2 stops18h 00m
Deal found 8/7![United Airlines logo]()
$937
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/41:40 pm -
2 stops26h 23m
Mon 2/89:33 am -
2 stops20h 27m
Deal found 8/11![American Airlines logo]()
$1,188
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/211:40 pm -
2 stops34h 44m
Mon 1/2510:17 am -
2 stops19h 43m
Deal found 8/7![American Airlines logo]()
$1,211
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:45 am -
1 stop14h 00m
Sat 12/264:05 pm -
2 stops23h 45m
Deal found 8/9![United Airlines logo]()
$1,133
Last-minute flights from Spain to St. LouisDiscover last-minute flight deals from Spain to St. Louis. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Spain to St. Louis. Data last updated August 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:50 am -
2 stops19h 21m
Fri 9/116:15 am -
2 stops34h 10m
Deal found 8/9![United Airlines logo]()
$934
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:40 am -
1 stop13h 45m
Sun 9/61:00 pm -
1 stop12h 20m
Deal found 8/7![Lufthansa logo]()
$909
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am -
1 stop14h 30m
Sun 9/612:30 pm -
1 stop13h 30m
Deal found 8/7![Lufthansa logo]()
$910
This Flighttix deal was found by Cheapflights users on 8/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:40 am -
1 stop13h 45m
Sun 9/612:30 pm -
2 stops21h 50m
Deal found 8/7![Multiple Airlines logo]()
$927
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:15 am -
1 stop14h 56m
Mon 9/1412:28 pm -
1 stop13h 32m
Deal found 8/8![Lufthansa logo]()
$926
This Flighttix deal was found by Cheapflights users on 8/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am -
1 stop13h 45m
Tue 9/151:00 pm -
1 stop12h 20m
Deal found 8/11![Lufthansa logo]()
$918
This Flighttix deal was found by Cheapflights users on 8/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am -
1 stop13h 45m
Tue 9/1511:15 am -
2 stops15h 05m
Deal found 8/11![Multiple Airlines logo]()
$928
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 am -
1 stop14h 30m
Wed 9/3012:20 pm -
1 stop13h 40m
Deal found 8/7![Lufthansa logo]()
$904
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am -
2 stops21h 59m
Thu 10/11:29 pm -
2 stops16h 31m
Deal found 8/10![Lufthansa logo]()
$916
This lol.travel deal was found by Cheapflights users on 8/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
2 stops17h 00m
Thu 10/18:55 am -
1 stop17h 25m
Deal found 8/10![Air Canada logo]()
$933
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 pm -
2 stops35h 42m
Sat 10/31:40 pm -
2 stops37h 05m
Deal found 8/12![Scandinavian Airlines logo]()
$911
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:00 am -
2 stops20h 37m
Sat 10/312:14 pm -
1 stop13h 46m
Deal found 8/12![Lufthansa logo]()
$912
One-way flights from Spain to St. LouisSearch for one-way flight options from Spain to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
Search for one-way flight options from Spain to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:25 pm -
3 stops45h 45m
Deal found 8/8![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:55 am -
3 stops56h 45m
Deal found 8/9![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:35 pm -
3 stops50h 05m
Deal found 8/9![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:40 pm -
3 stops45h 30m
Deal found 8/9![Multiple Airlines logo]()
$543
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:05 pm -
2 stops35h 17m
Deal found 8/11![Iberia logo]()
$598
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops21h 25m
Deal found 8/9![Delta logo]()
$601
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 12/266:05 am -
2 stops24h 13m
Deal found 8/11![Delta logo]()
$602
This Flysmarter deal was found by Cheapflights users on 8/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:30 am -
1 stop18h 49m
Deal found 8/9![British Airways logo]()
$620
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:40 pm -
2 stops32h 42m
Deal found 8/11![British Airways logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:10 pm -
3 stops51h 12m
Deal found 8/9![Multiple Airlines logo]()
$629
This Thrive Travel deal was found by Cheapflights users on 8/10. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:30 am -
1 stop20h 44m
Deal found 8/10![British Airways logo]()
$643
This Thrive Travel deal was found by Cheapflights users on 8/10. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:30 am -
1 stop18h 10m
Deal found 8/10![Qatar Airways logo]()
$667
Find flight deals from Spain to St. Louis
Keep the following information in mind while searching for Spain to St. Louis flight deals. Data was last updated August 12, 2026.
Round-trip from | $875 (United Airlines) |
|---|---|
One-way from | $364 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $1,184 |
Cheapflights Fare Finder
Customize your flight search to find flights from Spain 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 August 12, 2026.
Use the filters below to find and compare flights from Spain to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BilbaoSt. Louis
BIO Bilbao - STL Lambert-St Louis
BIOSTL
Bilbao
Thu 1/28
6:45 am-11:09 pm
2 stops23h 24m
Lambert-St Louis
Mon 2/1
7:04 pm-11:10 pm
2 stops21h 06m
$875
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Fri 1/22
6:05 am-1:45 pm
1 stop14h 40m
Lambert-St Louis
Tue 1/26
7:33 am-9:15 am
2 stops18h 42m
$878
BarcelonaSt. Louis
BCN Barcelona-El Prat - STL Lambert-St Louis
BCNSTL
Barcelona-El Prat
Thu 2/4
6:50 am-9:13 pm
2 stops21h 23m
Lambert-St Louis
Mon 2/8
8:33 am-8:20 am
2 stops16h 47m
$881
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Thu 1/21
6:05 am-7:40 pm
2 stops20h 35m
Lambert-St Louis
Sun 1/24
5:20 pm-9:15 am
1 stop32h 55m
$882
Quickest round-trip
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Sun 8/30
5:55 am-1:25 pm
1 stop14h 30m
Lambert-St Louis
Sun 9/6
12:30 pm-9:00 am
1 stop13h 30m
$910
BilbaoSt. Louis
BIO Bilbao - STL Lambert-St Louis
BIOSTL
Bilbao
Thu 1/28
6:45 am-6:06 pm
3 stops18h 21m
Lambert-St Louis
Mon 2/1
4:05 pm-12:50 pm
3 stops37h 45m
$923
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Wed 9/23
5:55 am-6:41 pm
2 stops19h 46m
Lambert-St Louis
Wed 9/30
8:00 am-9:00 am
2 stops18h 00m
$937
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Sun 8/30
6:00 am-2:33 pm
2 stops15h 33m
Lambert-St Louis
Sun 9/6
10:33 am-11:20 am
2 stops17h 47m
$945
MálagaSt. Louis
AGP Malaga - STL Lambert-St Louis
AGPSTL
Malaga
Thu 1/21
11:55 am-11:58 pm
2 stops19h 03m
Lambert-St Louis
Mon 1/25
11:31 am-4:50 pm
2 stops22h 19m
$1,067
BilbaoSt. Louis
BIO Bilbao - STL Lambert-St Louis
BIOSTL
Bilbao
Fri 12/18
6:45 am-1:45 pm
1 stop14h 00m
Lambert-St Louis
Sat 12/26
4:05 pm-10:50 pm
2 stops23h 45m
$1,133
Showing 1-10 of 30 resultsSorted by cheapest first
Best time to book a flight from Spain to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Spain with our price prediction graph.
BCN-STL
MAD-STL
BIO-STL
AGP-STL
OVD-STL
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.
Cheapflights Insights
Everything you need to know about your flight from Spain to St. Louis
ES0-STL
BCN-STL
MAD-STL
BIO-STL
AGP-STL
What is the cheapest month to book a flight from Spain to St. Louis?
Currently, November is the cheapest month in which you can book a flight from Spain to St. Louis (average of $813). Flying from Spain to St. Louis in May is currently the most expensive (average of $1,991). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Spain to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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