$325+ Cheap flights from St. Louis (STL) to Spain
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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAD
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Spain 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
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Cheapest flights from St. Louis to SpainExplore the most affordable flight options available from St. Louis to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from St. Louis to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:40 pm -
1 stop11h 10m
Tue 10/61:30 pm -
1 stop13h 30m
Deal found 8/10![Air Canada logo]()
$658
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:10 pm -
1 stop11h 40m
Tue 10/131:30 pm -
1 stop31h 30m
Deal found 8/6![Air Canada logo]()
$685
This Sembo 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:53 pm -
2 stops28h 57m
Tue 10/65:55 am -
2 stops22h 26m
Deal found 8/10![Multiple Airlines logo]()
$691
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.
Tue 9/2912:10 pm -
1 stop11h 40m
Fri 10/912:45 pm -
2 stops33h 58m
Deal found 8/7![United Airlines logo]()
$709
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:30 am -
1 stop16h 35m
Fri 10/912:45 pm -
2 stops33h 58m
Deal found 8/10![United Airlines logo]()
$710
This Expedia deal was found by Cheapflights users on 8/6. 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.
Tue 10/139:35 pm -
1 stop12h 55m
Mon 10/199:00 pm -
2 stops28h 16m
Deal found 8/6![Iberia logo]()
$713
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.
Wed 10/78:00 am -
2 stops17h 05m
Wed 10/2112:45 pm -
2 stops33h 58m
Deal found 8/9![United Airlines logo]()
$715
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:30 am -
2 stops31h 25m
Wed 11/187:30 am -
2 stops38h 56m
Deal found 8/10![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 11/153:15 pm -
1 stop15h 00m
Wed 11/181:35 pm -
2 stops29h 35m
Deal found 8/6![United Airlines logo]()
$753
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:08 pm -
2 stops13h 27m
Wed 11/181:35 pm -
2 stops27h 57m
Deal found 8/10![Air Canada logo]()
$756
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:10 pm -
1 stop12h 50m
Wed 10/2812:35 pm -
2 stops31h 55m
Deal found 8/10![Multiple Airlines logo]()
$758
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:10 pm -
1 stop12h 50m
Tue 10/136:40 am -
1 stop13h 45m
Deal found 8/7![Multiple Airlines logo]()
$770
Best flights from St. Louis to SpainDiscover carefully curated flight deals from St. Louis to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from St. Louis to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
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.
Wed 10/218:55 am -
1 stop17h 40m
Fri 10/306:05 am -
1 stop14h 40m
Deal found 8/11![United Airlines logo]()
$724
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/74:05 pm -
2 stops36h 45m
Thu 2/1112:50 pm -
2 stops33h 36m
Deal found 8/10![Air Canada logo]()
$749
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:34 pm -
2 stops24h 41m
Tue 9/296:45 am -
2 stops21h 59m
Deal found 8/8![Iberia logo]()
$806
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:46 pm -
1 stop13h 19m
Mon 11/21:00 pm -
1 stop15h 57m
Deal found 8/9![British Airways logo]()
$821
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.
Mon 10/195:35 pm -
1 stop11h 40m
Mon 11/26:05 am -
2 stops24h 49m
Deal found 8/7![Delta logo]()
$822
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:40 pm -
1 stop13h 00m
Mon 11/1612:25 pm -
2 stops40h 27m
Deal found 8/7![Lufthansa logo]()
$827
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:20 pm -
2 stops14h 55m
Wed 12/98:15 pm -
2 stops31h 36m
Deal found 8/9![KLM logo]()
$829
This United deal was found by Cheapflights users on 8/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:30 pm -
2 stops32h 50m
Sun 9/2712:15 pm -
2 stops32h 45m
Deal found 8/6![Multiple Airlines logo]()
$858
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.
Tue 12/1510:35 am -
2 stops15h 00m
Fri 12/259:15 am -
2 stops17h 37m
Deal found 8/10![American Airlines logo]()
$1,055
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.
Sun 11/157:30 am -
2 stops31h 25m
Wed 11/187:30 am -
2 stops38h 56m
Deal found 8/7![United Airlines logo]()
$746
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/73:40 pm -
1 stop13h 20m
Thu 2/1112:50 pm -
2 stops33h 36m
Deal found 8/10![United Airlines logo]()
$752
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:54 pm -
2 stops14h 36m
Fri 10/26:45 am -
2 stops17h 25m
Deal found 8/11![KLM logo]()
$850
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
2 stops20h 50m
Thu 10/16:45 am -
2 stops20h 13m
Deal found 8/10![Delta logo]()
$855
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:43 pm -
2 stops19h 17m
Thu 10/19:05 am -
2 stops30h 15m
Deal found 8/10![Iberia logo]()
$861
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:35 am -
1 stop18h 30m
Mon 10/199:10 pm -
2 stops29h 38m
Deal found 8/10![Multiple Airlines logo]()
$898
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:15 pm -
1 stop15h 00m
Wed 11/181:35 pm -
2 stops29h 35m
Deal found 8/10![United Airlines logo]()
$753
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:59 pm -
2 stops15h 51m
Fri 10/26:30 am -
2 stops20h 28m
Deal found 8/10![Delta logo]()
$855
This Iberia deal was found by Cheapflights users on 8/6. 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.
Wed 10/711:31 am -
1 stop16h 14m
Sat 10/1710:45 am -
1 stop19h 57m
Deal found 8/6![Iberia logo]()
$889
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 pm -
3 stops27h 15m
Tue 9/297:40 am -
2 stops19h 40m
Deal found 8/8![Multiple Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 1/173:40 pm -
1 stop13h 20m
Thu 1/2111:40 am -
2 stops35h 01m
Deal found 8/6![United Airlines logo]()
$761
This Air Canada deal was found by Cheapflights users on 8/6. 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.
Sun 12/64:05 pm -
2 stops15h 25m
Thu 12/106:30 am -
2 stops39h 56m
Deal found 8/6![Air Canada logo]()
$1,014
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:35 pm -
1 stop14h 15m
Fri 9/251:25 pm -
2 stops26h 59m
Deal found 8/7![British Airways logo]()
$1,017
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:35 pm -
2 stops28h 05m
Wed 9/309:20 am -
2 stops21h 23m
Deal found 8/9![Iberia logo]()
$901
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
2 stops17h 50m
Thu 10/16:05 am -
2 stops20h 55m
Deal found 8/10![United Airlines logo]()
$782
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.
Wed 10/212:25 pm -
1 stop14h 50m
Sun 10/256:05 am -
2 stops23h 49m
Deal found 8/11![Delta logo]()
$947
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
2 stops31h 50m
Wed 11/189:30 pm -
2 stops19h 00m
Deal found 8/7![British Airways logo]()
$1,063
This Expedia deal was found by Cheapflights users on 8/6. 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 11/710:21 am -
2 stops39h 29m
Sat 11/145:40 pm -
2 stops46h 36m
Deal found 8/6![Iberia logo]()
$936
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/112:55 pm -
2 stops16h 55m
Tue 2/25:45 pm -
2 stops34h 23m
Deal found 8/10![Multiple Airlines logo]()
$1,045
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
2 stops18h 00m
Tue 9/2912:15 pm -
2 stops33h 02m
Deal found 8/10![United Airlines logo]()
$786
This British Airways deal was found by Cheapflights users on 8/6. 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.
Mon 12/79:30 am -
2 stops20h 45m
Thu 12/108:25 am -
2 stops22h 33m
Deal found 8/6![British Airways logo]()
$1,065
Last-minute flights from St. Louis to SpainDiscover last-minute flight deals from St. Louis to Spain. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Spain. Data last updated August 11, 2026 and is based on user searches.
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:40 pm -
1 stop11h 10m
Tue 10/61:30 pm -
1 stop13h 30m
Deal found 8/10![Air Canada logo]()
$658
This Sembo 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:53 pm -
2 stops28h 57m
Tue 10/65:55 am -
2 stops22h 26m
Deal found 8/10![Multiple Airlines logo]()
$691
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:34 pm -
2 stops24h 41m
Tue 9/296:45 am -
2 stops21h 59m
Deal found 8/8![Iberia logo]()
$806
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:59 pm -
2 stops27h 06m
Tue 9/296:50 am -
1 stop13h 35m
Deal found 8/8![Lufthansa logo]()
$813
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:55 am -
1 stop17h 25m
Tue 9/291:15 pm -
1 stop31h 45m
Deal found 8/11![Multiple Airlines logo]()
$779
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 9/237:00 am -
2 stops18h 00m
Tue 9/2912:15 pm -
2 stops33h 02m
Deal found 8/7![United Airlines logo]()
$786
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:43 am -
2 stops16h 37m
Tue 9/2912:15 pm -
2 stops30h 58m
Deal found 8/11![Air Canada logo]()
$791
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:46 pm -
1 stop14h 24m
Tue 9/2910:45 am -
1 stop14h 19m
Deal found 8/9![British Airways logo]()
$803
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:10 pm -
1 stop11h 40m
Tue 10/131:30 pm -
1 stop31h 30m
Deal found 8/6![Air Canada logo]()
$685
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.
Mon 9/288:30 am -
1 stop16h 35m
Fri 10/912:45 pm -
2 stops33h 58m
Deal found 8/11![United Airlines logo]()
$710
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:40 pm -
2 stops33h 10m
Fri 10/912:45 pm -
2 stops33h 58m
Deal found 8/7![Air Canada logo]()
$717
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.
Tue 9/2912:10 pm -
1 stop11h 40m
Fri 10/912:45 pm -
2 stops33h 58m
Deal found 8/7![United Airlines logo]()
$709
One-way flights from St. Louis to SpainSearch for one-way flight options from St. Louis to Spain. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from St. Louis to Spain. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/1110:35 am -
3 stops52h 20m
Deal found 8/6![Multiple Airlines logo]()
$325
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 1/132:54 pm -
2 stops15h 46m
Deal found 8/11![Iberia logo]()
$348
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:35 am -
3 stops24h 10m
Deal found 8/10![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/38:10 pm -
3 stops58h 15m
Deal found 8/6![Multiple Airlines logo]()
$353
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.
Wed 9/302:29 pm -
3 stops48h 16m
Deal found 8/9![Multiple Airlines logo]()
$356
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:34 pm -
2 stops33h 01m
Deal found 8/11![Air Canada logo]()
$366
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.
Mon 10/1210:35 am -
3 stops40h 30m
Deal found 8/8![Multiple Airlines logo]()
$387
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.
Thu 11/121:40 pm -
2 stops16h 35m
Deal found 8/9![United Airlines logo]()
$408
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/93:40 pm -
1 stop12h 40m
Deal found 8/7![KLM logo]()
$412
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:35 am -
3 stops52h 35m
Deal found 8/11![Multiple Airlines logo]()
$413
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.
Wed 1/136:30 am -
3 stops28h 10m
Deal found 8/11![United Airlines logo]()
$434
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:30 pm -
1 stop21h 20m
Deal found 8/6![Lufthansa logo]()
$436
Find flight deals from St. Louis to Spain
Keep the following information in mind while searching for St. Louis to Spain flight deals. Data was last updated August 11, 2026.
Round-trip from | $658 (Ticket) |
|---|---|
One-way from | $325 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,123 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Spain 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 11, 2026.
Use the filters below to find and compare flights from St. Louis to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Wed 10/21
8:55 am-9:35 am
1 stop17h 40m
Madrid Barajas
Fri 10/30
6:05 am-2:45 pm
1 stop14h 40m
$724
St. LouisBilbao
STL Lambert-St Louis - BIO Bilbao
STLBIO
Lambert-St Louis
Sun 11/15
7:30 am-9:55 pm
2 stops31h 25m
Bilbao
Wed 11/18
7:30 am-3:26 pm
2 stops38h 56m
$746
St. LouisValencia
STL Lambert-St Louis - VLC Valencia
STLVLC
Lambert-St Louis
Sun 2/7
4:05 pm-11:50 am
2 stops36h 45m
Valencia
Thu 2/11
12:50 pm-3:26 pm
2 stops33h 36m
$749
St. LouisValencia
STL Lambert-St Louis - VLC Valencia
STLVLC
Lambert-St Louis
Sun 2/7
3:40 pm-12:00 pm
1 stop13h 20m
Valencia
Thu 2/11
12:50 pm-3:26 pm
2 stops33h 36m
$752
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 11/15
3:15 pm-1:15 pm
1 stop15h 00m
Barcelona-El Prat
Wed 11/18
1:35 pm-12:10 pm
2 stops29h 35m
$753
St. LouisValencia
STL Lambert-St Louis - VLC Valencia
STLVLC
Lambert-St Louis
Sun 1/17
3:40 pm-12:00 pm
1 stop13h 20m
Valencia
Thu 1/21
11:40 am-3:41 pm
2 stops35h 01m
$761
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Thu 9/24
6:00 am-6:50 am
2 stops17h 50m
Madrid Barajas
Thu 10/1
6:05 am-8:00 pm
2 stops20h 55m
$782
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Wed 9/23
7:00 am-8:00 am
2 stops18h 00m
Barcelona-El Prat
Tue 9/29
12:15 pm-2:17 pm
2 stops33h 02m
$786
St. LouisBilbao
STL Lambert-St Louis - BIO Bilbao
STLBIO
Lambert-St Louis
Tue 9/22
3:34 pm-11:15 pm
2 stops24h 41m
Bilbao
Tue 9/29
6:45 am-9:44 pm
2 stops21h 59m
$806
Quickest round-trip
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Mon 10/19
12:46 pm-9:05 am
1 stop13h 19m
Madrid Barajas
Mon 11/2
1:00 pm-9:57 pm
1 stop15h 57m
$821
Showing 1-10 of 52 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from St. Louis with our price prediction graph.
STL-MAD
STL-BCN
STL-BIO
STL-VLC
STL-IBZ
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 St. Louis to Spain
STL-ES0
STL-MAD
STL-BCN
STL-BIO
STL-VLC
What is the cheapest month to book a flight from St. Louis to Spain?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Spain (average of $682). Flying from St. Louis to Spain in June is currently the most expensive (average of $1,461). 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.
How far ahead should I book a flight from St. Louis to Spain?
To ensure you get the cheapest price possible for a flight from St. Louis to Spain, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated August 11, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andAir Canada from St. Louis to Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Spain
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Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Spain flights
Browse other St. Louis and Spain flight options. Last updated on August 11, 2026.
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St. Louis to Spain flights
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Top 7 airlines flying from St. Louis to Spain
Discover the top 7 airlines that operate flights from St. Louis to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$480 | Average$1,108 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$783 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$855 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$523 | Average$845 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$560 | Average$1,111 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$885 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$624 | Average$1,123 | FlexibilityNo cancel fee | On-time67% |