$331+ Cheap flights from St. Louis (STL) to Spain
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAD
Oct 29 — Nov 51
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
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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 September 29, 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 September 29, 2026.
This lol.travel deal was found by Cheapflights users on 9/25. 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.
Mon 10/264:05 pm -
2 stops17h 55m
Wed 11/111:25 pm -
2 stops33h 01m
Deal found 9/25![Multiple Airlines logo]()
$688
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 11/306:50 pm -
2 stops30h 10m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 9/27![Multiple Airlines logo]()
$701
This United deal was found by Cheapflights users on 9/24. 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.
Wed 11/1111:29 am -
1 stop13h 51m
Fri 11/201:35 pm -
2 stops28h 02m
Deal found 9/24![Multiple Airlines logo]()
$706
This Gotogate deal was found by Cheapflights users on 9/24. 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.
Mon 10/264:05 pm -
2 stops35h 00m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/24![Multiple Airlines logo]()
$708
This Flighttix deal was found by Cheapflights users on 9/25. 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.
Mon 10/261:00 pm -
1 stop12h 45m
Wed 11/116:05 am -
1 stop14h 40m
Deal found 9/25![Lufthansa logo]()
$708
This Air Canada deal was found by Cheapflights users on 9/27. 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 11/49:40 am -
2 stops16h 55m
Thu 11/121:35 pm -
2 stops35h 34m
Deal found 9/27![Air Canada logo]()
$709
This Flighttix deal was found by Cheapflights users on 9/28. 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.
Mon 10/266:50 pm -
1 stop12h 25m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/28![Lufthansa logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/99:59 am -
1 stop16h 31m
Tue 11/171:25 pm -
2 stops32h 09m
Deal found 9/28![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/269:59 am -
1 stop16h 21m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/24![United Airlines logo]()
$712
This Gotogate deal was found by Cheapflights users on 9/27. 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.
Wed 11/113:40 pm -
1 stop13h 55m
Wed 11/186:05 am -
1 stop14h 40m
Deal found 9/27![Lufthansa logo]()
$712
This United deal was found by Cheapflights users on 9/28. 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.
Tue 12/16:30 am -
2 stops18h 30m
Thu 12/101:25 pm -
2 stops35h 51m
Deal found 9/28![Multiple Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/261:00 pm -
1 stop12h 45m
Wed 11/116:05 am -
1 stop14h 40m
Deal found 9/25![United Airlines logo]()
$714
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 September 29, 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 September 29, 2026.
This United deal was found by Cheapflights users on 9/28. 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 10/266:00 am -
2 stops21h 00m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/28![Multiple Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/86:50 pm -
1 stop11h 25m
Tue 11/2410:30 am -
2 stops15h 53m
Deal found 9/24![United Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 9/24. 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 11/44:00 pm -
2 stops17h 30m
Tue 11/1011:15 am -
2 stops19h 41m
Deal found 9/24![Delta logo]()
$739
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Mon 3/16:00 am -
2 stops20h 35m
Thu 3/41:35 pm -
2 stops32h 27m
Deal found 9/28![Air Canada logo]()
$761
This KLM deal was found by Cheapflights users on 9/25. 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.
Mon 11/92:31 pm -
2 stops16h 34m
Mon 11/1610:45 am -
2 stops37h 56m
Deal found 9/25![KLM logo]()
$775
This FlightHub deal was found by Cheapflights users on 9/24. 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 10/2511:21 am -
2 stops23h 34m
Mon 11/169:35 pm -
2 stops18h 55m
Deal found 9/24![British Airways logo]()
$804
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Sat 11/286:50 pm -
2 stops16h 25m
Tue 12/86:35 pm -
1 stop26h 10m
Deal found 9/28![Lufthansa logo]()
$861
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 3/1311:34 am -
2 stops18h 16m
Sat 3/209:05 am -
2 stops18h 03m
Deal found 9/25![American Airlines logo]()
$1,208
This Iberia deal was found by Cheapflights users on 9/27. 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.
Mon 2/19:58 am -
2 stops23h 42m
Fri 2/56:00 am -
2 stops20h 32m
Deal found 9/27![Iberia logo]()
$1,230
This United Airlines deal was found by Cheapflights users on 9/26. 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 3/16:00 am -
2 stops20h 35m
Thu 3/41:35 pm -
2 stops30h 05m
Deal found 9/26![United Airlines logo]()
$761
This Air France deal was found by Cheapflights users on 9/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:21 pm -
2 stops14h 39m
Tue 11/178:25 pm -
2 stops27h 06m
Deal found 9/26![Multiple Airlines logo]()
$799
This FlightHub deal was found by Cheapflights users on 9/24. 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.
Sat 11/282:43 pm -
2 stops40h 12m
Tue 12/89:05 am -
2 stops16h 12m
Deal found 9/24![British Airways logo]()
$805
This KLM deal was found by Cheapflights users on 9/28. 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.
Thu 11/1212:21 pm -
2 stops18h 44m
Thu 11/196:35 pm -
2 stops30h 38m
Deal found 9/28![KLM logo]()
$825
This Scandinavian Airlines deal was found by Cheapflights users on 9/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1312:36 pm -
2 stops20h 34m
Fri 12/186:05 am -
3 stops25h 00m
Deal found 9/28![Scandinavian Airlines logo]()
$1,656
This United Airlines deal was found by Cheapflights users on 9/26. 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 3/15:00 am -
2 stops24h 00m
Wed 3/312:50 pm -
2 stops39h 23m
Deal found 9/26![United Airlines logo]()
$764
This Lufthansa deal was found by Cheapflights users on 9/26. 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.
Tue 11/101:08 pm -
2 stops20h 07m
Tue 11/175:10 pm -
1 stop27h 35m
Deal found 9/26![Lufthansa logo]()
$879
This Finnair deal was found by Cheapflights users on 9/24. 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.
Tue 12/159:50 am -
1 stop17h 40m
Fri 12/2512:00 pm -
1 stop14h 52m
Deal found 9/24![Multiple Airlines logo]()
$810
This KLM deal was found by Cheapflights users on 9/24. 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.
Sun 11/87:20 pm -
2 stops35h 45m
Sun 11/1512:55 pm -
2 stops35h 46m
Deal found 9/24![KLM logo]()
$832
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/86:00 am -
1 stop24h 15m
Sun 11/151:35 pm -
2 stops53h 35m
Deal found 9/24![United Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 9/27. 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 10/2112:28 pm -
2 stops14h 02m
Fri 10/3010:50 am -
2 stops19h 04m
Deal found 9/27![Delta logo]()
$959
This Lufthansa deal was found by Cheapflights users on 9/28. 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.
Thu 11/121:08 pm -
2 stops15h 52m
Thu 11/196:20 pm -
1 stop26h 25m
Deal found 9/28![Lufthansa logo]()
$883
This Air France deal was found by Cheapflights users on 9/25. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:00 pm -
2 stops17h 00m
Fri 11/1310:40 am -
2 stops20h 16m
Deal found 9/25![Multiple Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 9/26. 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 1/249:22 am -
2 stops17h 13m
Fri 1/296:50 am -
1 stop13h 55m
Deal found 9/26![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 9/28. 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 10/196:05 pm -
2 stops15h 30m
Tue 11/176:00 am -
2 stops19h 13m
Deal found 9/28![Delta logo]()
$965
This Lufthansa deal was found by Cheapflights users on 9/28. 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.
Thu 11/121:08 pm -
2 stops20h 02m
Thu 11/195:10 pm -
1 stop27h 35m
Deal found 9/28![Lufthansa logo]()
$884
This KLM deal was found by Cheapflights users on 9/25. 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 11/65:38 pm -
2 stops18h 52m
Sat 11/1410:40 am -
2 stops20h 16m
Deal found 9/25![KLM logo]()
$892
This British Airways deal was found by Cheapflights users on 9/25. 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 2/11:05 pm -
2 stops16h 40m
Fri 2/59:15 am -
2 stops20h 19m
Deal found 9/25![British Airways logo]()
$1,061
This Air France deal was found by Cheapflights users on 9/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:21 pm -
2 stops14h 39m
Tue 12/110:40 am -
2 stops20h 25m
Deal found 9/28![Multiple Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 9/28. 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 10/186:05 pm -
2 stops21h 55m
Tue 11/176:00 am -
2 stops17h 43m
Deal found 9/28![Delta logo]()
$965
This United Airlines deal was found by Cheapflights users on 9/26. 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 2/178:25 am -
1 stop17h 35m
Sat 3/61:15 pm -
1 stop33h 11m
Deal found 9/26![United Airlines logo]()
$803
Last-minute flights from St. Louis to SpainDiscover last-minute flight deals from St. Louis to Spain. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Spain. Data last updated September 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/237:30 am -
1 stop18h 30m
Fri 10/307:30 am -
2 stops21h 54m
Deal found 9/25![United Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 9/25. 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 10/239:47 am -
2 stops17h 33m
Wed 10/281:10 pm -
2 stops16h 44m
Deal found 9/25![Delta logo]()
$789
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/2312:20 pm -
1 stop13h 40m
Thu 10/293:10 pm -
1 stop14h 14m
Deal found 9/25![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/2312:20 pm -
1 stop13h 40m
Wed 10/286:20 am -
2 stops23h 04m
Deal found 9/25![United Airlines logo]()
$808
This FlightHub deal was found by Cheapflights users on 9/24. 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 10/2511:21 am -
2 stops23h 34m
Mon 11/169:35 pm -
2 stops18h 55m
Deal found 9/24![British Airways logo]()
$804
This Iberia deal was found by Cheapflights users on 9/27. 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.
Sun 10/2511:32 am -
2 stops19h 18m
Mon 11/169:35 pm -
2 stops18h 55m
Deal found 9/27![Iberia logo]()
$810
This lol.travel deal was found by Cheapflights users on 9/25. 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.
Mon 10/264:05 pm -
2 stops17h 55m
Wed 11/111:25 pm -
2 stops33h 01m
Deal found 9/25![Multiple Airlines logo]()
$688
This Gotogate deal was found by Cheapflights users on 9/24. 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.
Mon 10/264:05 pm -
2 stops35h 00m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/24![Multiple Airlines logo]()
$708
This Flighttix deal was found by Cheapflights users on 9/25. 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.
Mon 10/261:00 pm -
1 stop12h 45m
Wed 11/116:05 am -
1 stop14h 40m
Deal found 9/25![Lufthansa logo]()
$708
This Flighttix deal was found by Cheapflights users on 9/28. 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.
Mon 10/266:50 pm -
1 stop12h 25m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/28![Lufthansa logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/269:59 am -
1 stop16h 21m
Wed 11/116:50 am -
1 stop13h 55m
Deal found 9/24![United Airlines logo]()
$712
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/261:00 pm -
1 stop12h 45m
Wed 11/116:05 am -
1 stop14h 40m
Deal found 9/25![United Airlines logo]()
$714
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 September 29, 2026.
Search for one-way flight options from St. Louis to Spain. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Expedia deal was found by Cheapflights users on 9/24. 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.
Mon 1/1812:53 pm -
1 stop13h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Iberia logo]()
$331
This Expedia deal was found by Cheapflights users on 9/24. 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.
Mon 1/187:00 pm -
2 stops15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Lufthansa logo]()
$338
This Expedia deal was found by Cheapflights users on 9/27. 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.
Sun 2/142:00 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![British Airways logo]()
$352
This United Airlines deal was found by Cheapflights users on 9/24. 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 1/181:09 pm -
3 stops35h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/174:30 pm -
2 stops57h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$371
This Expedia deal was found by Cheapflights users on 9/27. 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 12/318:26 am -
1 stop17h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Iberia logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Thu 10/154:30 pm -
2 stops43h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/27. 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 2/146:00 am -
3 stops28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 9/24. 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.
Fri 1/13:40 pm -
1 stop17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Lufthansa logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/319:35 am -
2 stops16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/116:44 pm -
3 stops44h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 9/24. 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 1/111:15 am -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$395
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 September 29, 2026.
Round-trip from | $688 (lol.travel) |
|---|---|
One-way from | $331 (Expedia) |
Popular in | June |
Cheapest in | April |
Average price | $980 |
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 7,457,451 searches. Data last updated September 29, 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
Mon 1/18
12:53 pm-9:20 am
1 stop13h 27m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$331
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Mon 1/18
7:00 pm-5:50 pm
2 stops15h 50m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$338
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Mon 1/18
1:09 pm-8:00 am
3 stops35h 51m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$361
St. LouisValencia
STL Lambert-St Louis - VLC Valencia
STLVLC
Lambert-St Louis
Sat 10/17
4:30 pm-9:25 am
2 stops57h 55m
Valencia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$371
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Thu 12/31
8:26 am-9:25 am
1 stop17h 59m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$380
St. LouisValencia
STL Lambert-St Louis - VLC Valencia
STLVLC
Lambert-St Louis
Thu 10/15
4:30 pm-7:20 pm
2 stops43h 50m
Valencia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$382
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 2/14
6:00 am-5:40 pm
3 stops28h 40m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$382
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 1/1
3:40 pm-4:20 pm
1 stop17h 40m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$387
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Thu 12/31
9:35 am-9:30 am
2 stops16h 55m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$391
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 1/1
11:15 am-11:30 am
2 stops17h 15m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$395
Showing 1-10 of 60 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-BCN
STL-IBZ
STL-BIO
STL-PMI
STL-LPA
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-BCN
STL-IBZ
STL-BIO
STL-PMI
What is the cheapest month to book a flight from St. Louis to Spain?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Spain (average of $690). Flying from St. Louis to Spain in June is currently the most expensive (average of $1,465). 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 17 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 September 29, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andIberia 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.
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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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Find flights from St. Louis to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Spain flights
Browse other St. Louis and Spain flight options. Last updated on September 29, 2026.
Popular flight searches
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St. Louis to Spain flights
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Fly to Spain regions
Consider these flights traveling to Spain regions.
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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$480 | Average$1,183 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$800 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$863 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$523 | Average$928 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$560 | Average$1,157 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$900 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$648 | Average$1,173 | FlexibilityNo cancel fee | On-time67% |