$334+ Cheap flights from Missouri to Portugal
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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Portugal 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 Missouri to PortugalExplore the most affordable flight options available from Missouri to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Missouri to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:05 pm -
1 stop12h 15m
Wed 11/115:00 am -
1 stop14h 45m
Deal found 8/9![Multiple Airlines logo]()
$700
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm -
1 stop10h 50m
Fri 11/205:00 am -
1 stop14h 45m
Deal found 8/10![Multiple Airlines logo]()
$703
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.
Wed 11/119:12 am -
2 stops20h 33m
Mon 11/1612:25 pm -
2 stops27h 44m
Deal found 8/8![Iberia logo]()
$708
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.
Tue 10/276:50 pm -
2 stops23h 40m
Wed 11/115:00 am -
1 stop14h 45m
Deal found 8/9![Lufthansa logo]()
$709
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop21h 30m
Wed 12/166:00 am -
2 stops21h 49m
Deal found 8/12![United Airlines logo]()
$717
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 12/96:00 am -
1 stop21h 30m
Fri 12/1112:35 pm -
2 stops31h 56m
Deal found 8/11![United Airlines logo]()
$723
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:20 pm -
1 stop10h 50m
Fri 11/2711:20 am -
2 stops36h 05m
Deal found 8/12![United Airlines logo]()
$726
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 11/1811:32 am -
2 stops18h 18m
Wed 11/258:45 pm -
2 stops18h 45m
Deal found 8/10![Iberia logo]()
$726
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.
Mon 11/97:36 am -
2 stops21h 04m
Fri 11/2711:20 am -
2 stops40h 31m
Deal found 8/11![Air Canada logo]()
$729
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.
Sat 11/75:50 pm -
2 stops32h 20m
Fri 11/2711:20 am -
2 stops36h 05m
Deal found 8/10![United Airlines logo]()
$731
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:40 pm -
2 stops32h 40m
Fri 11/2711:20 am -
2 stops40h 31m
Deal found 8/8![Air Canada logo]()
$733
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.
Mon 11/99:57 am -
1 stop17h 03m
Fri 11/275:00 am -
2 stops20h 35m
Deal found 8/11![Delta logo]()
$735
Best flights from Missouri to PortugalDiscover carefully curated flight deals from Missouri to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Missouri to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
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 12/96:00 am -
1 stop21h 30m
Wed 12/166:00 am -
2 stops21h 49m
Deal found 8/9![United Airlines logo]()
$717
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.
Wed 11/46:47 am -
2 stops19h 13m
Tue 11/105:00 am -
2 stops24h 23m
Deal found 8/9![Delta logo]()
$740
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop21h 30m
Wed 12/1612:35 pm -
1 stop13h 55m
Deal found 8/9![Lufthansa logo]()
$776
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:31 pm -
2 stops18h 14m
Mon 11/911:05 am -
1 stop15h 21m
Deal found 8/11![British Airways logo]()
$794
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 pm -
1 stop11h 30m
Fri 11/66:00 am -
1 stop13h 45m
Deal found 8/9![Multiple Airlines logo]()
$795
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 12/96:10 am -
2 stops21h 20m
Fri 12/1112:35 pm -
2 stops29h 52m
Deal found 8/10![United Airlines logo]()
$727
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 1/110:35 am -
2 stops16h 30m
Wed 3/315:00 am -
2 stops23h 26m
Deal found 8/10![Delta logo]()
$773
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:40 pm -
2 stops32h 50m
Tue 1/2612:55 pm -
2 stops51h 33m
Deal found 8/10![Multiple Airlines logo]()
$798
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.
Wed 10/146:39 pm -
2 stops22h 46m
Wed 10/216:00 am -
2 stops19h 46m
Deal found 8/12![Lufthansa logo]()
$810
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.
Wed 11/116:10 am -
1 stop21h 20m
Mon 11/1612:35 pm -
2 stops37h 20m
Deal found 8/8![United Airlines logo]()
$737
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm -
1 stop14h 00m
Fri 11/275:00 am -
2 stops20h 35m
Deal found 8/8![Delta logo]()
$785
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/11:04 pm -
2 stops20h 16m
Thu 2/46:00 am -
2 stops21h 49m
Deal found 8/12![United Airlines logo]()
$737
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:31 am -
2 stops22h 39m
Mon 11/95:00 am -
2 stops21h 51m
Deal found 8/12![Delta logo]()
$790
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 12/75:20 pm -
1 stop10h 10m
Thu 12/106:00 am -
2 stops23h 09m
Deal found 8/11![United Airlines logo]()
$745
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.
Sun 11/89:40 am -
1 stop17h 20m
Mon 11/1610:00 am -
1 stop14h 57m
Deal found 8/9![Delta logo]()
$795
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:29 am -
1 stop14h 41m
Tue 11/1012:50 pm -
2 stops29h 20m
Deal found 8/12![United Airlines logo]()
$756
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 10/2111:50 am -
1 stop16h 40m
Wed 10/285:00 am -
2 stops34h 31m
Deal found 8/11![United Airlines logo]()
$765
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.
Tue 10/136:29 am -
2 stops20h 51m
Thu 10/225:05 am -
2 stops20h 42m
Deal found 8/11![United Airlines logo]()
$768
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 am -
1 stop20h 00m
Thu 11/1210:55 am -
2 stops29h 36m
Deal found 8/12![United Airlines logo]()
$781
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:13 pm -
2 stops34h 27m
Sat 10/31:55 pm -
2 stops37h 22m
Deal found 8/8![Multiple Airlines logo]()
$1,478
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.
Sun 11/811:33 am -
1 stop16h 32m
Mon 11/1612:25 pm -
2 stops26h 33m
Deal found 8/11![United Airlines logo]()
$784
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 10/2111:50 am -
1 stop16h 40m
Mon 11/25:00 am -
2 stops22h 51m
Deal found 8/10![United Airlines logo]()
$784
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:00 pm -
1 stop33h 10m
Thu 11/1910:55 am -
1 stop34h 31m
Deal found 8/12![United Airlines logo]()
$786
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.
Tue 10/2711:29 am -
1 stop17h 01m
Fri 11/66:00 am -
1 stop13h 45m
Deal found 8/10![United Airlines logo]()
$795
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.
Thu 10/159:04 am -
2 stops18h 16m
Fri 10/2311:25 am -
2 stops34h 18m
Deal found 8/8![United Airlines logo]()
$810
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.
Wed 2/311:30 am -
3 stops42h 15m
Mon 2/812:35 pm -
2 stops36h 57m
Deal found 8/8![United Airlines logo]()
$820
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:30 am -
2 stops41h 30m
Mon 12/2112:35 pm -
2 stops38h 43m
Deal found 8/12![United Airlines logo]()
$876
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.
Sat 8/293:49 pm -
1 stop11h 51m
Sat 9/511:00 am -
1 stop17h 59m
Deal found 8/10![United Airlines logo]()
$1,605
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:51 pm -
2 stops18h 59m
Sat 10/31:40 pm -
2 stops35h 33m
Deal found 8/8![Multiple Airlines logo]()
$11,134
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
2 stops25h 40m
Sat 10/37:05 am -
2 stops17h 41m
Deal found 8/12![United Airlines logo]()
$4,212
Last-minute flights from Missouri to PortugalDiscover last-minute flight deals from Missouri to Portugal. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Portugal. Data last updated August 13, 2026 and is based on user searches.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:39 pm -
2 stops30h 21m
Wed 9/2311:20 am -
2 stops42h 24m
Deal found 8/10![Air Canada logo]()
$923
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.
Tue 9/226:00 am -
1 stop18h 15m
Tue 9/2912:15 pm -
2 stops39h 45m
Deal found 8/8![United Airlines logo]()
$893
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.
Wed 9/231:55 pm -
2 stops19h 00m
Wed 10/75:00 am -
2 stops18h 19m
Deal found 8/9![Delta logo]()
$800
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:45 pm -
2 stops18h 00m
Tue 9/295:35 am -
2 stops17h 35m
Deal found 8/12![Delta logo]()
$811
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:10 am -
2 stops25h 50m
Tue 9/296:25 pm -
2 stops33h 35m
Deal found 8/12![Multiple Airlines logo]()
$826
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:30 am -
1 stop20h 15m
Mon 12/2112:35 pm -
2 stops34h 33m
Deal found 8/12![United Airlines logo]()
$872
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:10 pm -
1 stop15h 10m
Tue 10/135:05 am -
1 stop14h 20m
Deal found 8/9![Multiple Airlines logo]()
$752
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.
Mon 9/281:09 pm -
1 stop15h 21m
Tue 10/135:05 am -
1 stop14h 20m
Deal found 8/9![United Airlines logo]()
$783
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:05 am -
2 stops15h 55m
Tue 10/1310:00 am -
2 stops17h 23m
Deal found 8/12![Delta logo]()
$798
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:55 am -
1 stop20h 05m
Sun 10/116:45 am -
1 stop36h 40m
Deal found 8/9![Multiple Airlines logo]()
$837
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:39 pm -
2 stops21h 36m
Sun 10/45:55 am -
2 stops46h 05m
Deal found 8/8![Multiple Airlines logo]()
$864
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:05 am -
2 stops15h 55m
Tue 10/133:55 pm -
2 stops32h 20m
Deal found 8/9![Air France logo]()
$865
One-way flights from Missouri to PortugalSearch for one-way flight options from Missouri to Portugal. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Missouri to Portugal. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
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.
Tue 12/111:30 am -
2 stops16h 00m
Deal found 8/9![United Airlines logo]()
$334
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:06 pm -
2 stops16h 59m
Deal found 8/8![British Airways logo]()
$348
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/124:05 pm -
1 stop11h 15m
Deal found 8/12![Multiple Airlines logo]()
$359
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.
Tue 1/122:54 pm -
2 stops15h 11m
Deal found 8/11![American Airlines logo]()
$362
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 9/232:29 pm -
3 stops50h 36m
Deal found 8/9![Multiple Airlines logo]()
$422
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.
Sun 9/208:32 pm -
3 stops45h 23m
Deal found 8/10![Multiple Airlines logo]()
$434
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.
Sun 1/313:40 pm -
3 stops23h 55m
Deal found 8/8![Multiple Airlines logo]()
$442
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 9/236:00 pm -
1 stop10h 30m
Deal found 8/9![United Airlines logo]()
$462
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:50 pm -
1 stop11h 30m
Deal found 8/12![United Airlines logo]()
$463
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.
Tue 9/226:20 am -
2 stops17h 55m
Deal found 8/8![United Airlines logo]()
$463
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.
Sun 9/202:10 pm -
2 stops19h 20m
Deal found 8/10![Delta logo]()
$467
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:14 pm -
2 stops31h 41m
Deal found 8/12![United Airlines logo]()
$469
Find flight deals from Missouri to Portugal
Keep the following information in mind while searching for Missouri to Portugal flight deals. Data was last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $700 (Gotogate) |
One-way from | $334 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $857 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Portugal 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 13, 2026.
Use the filters below to find and compare flights from Missouri to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Wed 12/9
6:00 am-9:30 am
1 stop21h 30m
Porto
Wed 12/16
6:00 am-9:49 pm
2 stops21h 49m
$717
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Wed 12/9
6:10 am-9:30 am
2 stops21h 20m
Porto
Fri 12/11
12:35 pm-12:27 pm
2 stops29h 52m
$727
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Wed 11/11
6:10 am-9:30 am
1 stop21h 20m
Porto
Mon 11/16
12:35 pm-7:55 pm
2 stops37h 20m
$737
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Mon 2/1
1:04 pm-3:20 pm
2 stops20h 16m
Porto
Thu 2/4
6:00 am-9:49 pm
2 stops21h 49m
$737
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Wed 11/4
6:47 am-8:00 am
2 stops19h 13m
Lisbon Humberto Delgado
Tue 11/10
5:00 am-11:23 pm
2 stops24h 23m
$740
St. LouisPorto
STL Lambert-St Louis - OPO Porto
STLOPO
Lambert-St Louis
Mon 12/7
5:20 pm-9:30 am
1 stop10h 10m
Porto
Thu 12/10
6:00 am-11:09 pm
2 stops23h 09m
$745
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Wed 11/4
11:29 am-8:10 am
1 stop14h 41m
Lisbon Humberto Delgado
Tue 11/10
12:50 pm-12:10 pm
2 stops29h 20m
$756
Kansas CityLisbon
MCI Kansas City - LIS Lisbon Humberto Delgado
MCILIS
Kansas City
Wed 10/21
11:50 am-10:30 am
1 stop16h 40m
Lisbon Humberto Delgado
Wed 10/28
5:00 am-10:31 am
2 stops34h 31m
$765
Kansas CityLisbon
MCI Kansas City - LIS Lisbon Humberto Delgado
MCILIS
Kansas City
Tue 10/13
6:29 am-9:20 am
2 stops20h 51m
Lisbon Humberto Delgado
Thu 10/22
5:05 am-7:47 pm
2 stops20h 42m
$768
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Fri 1/1
10:35 am-9:05 am
2 stops16h 30m
Porto
Wed 3/31
5:00 am-10:26 pm
2 stops23h 26m
$773
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Missouri to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Missouri with our price prediction graph.
STL-LIS
MCI-LIS
STL-OPO
MCI-OPO
MCI-PDL
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 Missouri to Portugal
USMO-PT0
STL-LIS
MCI-LIS
STL-OPO
MCI-OPO
What is the cheapest month to book a flight from Missouri to Portugal?
Currently, February is the cheapest month in which you can book a flight from Missouri to Portugal (average of $582). Flying from Missouri to Portugal in December is currently the most expensive (average of $1,661). 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 Missouri to Portugal?
To ensure you get the cheapest price possible for a flight from Missouri to Portugal, you should look to book at least 59 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.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Missouri to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Portugal by cabin class
Find flights from Missouri to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Portugal flights
Browse other Missouri and Portugal flight options. Last updated on August 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Missouri after your stay in Portugal
Missouri to Portugal flights
Consider these flights traveling from Missouri to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 7 airlines flying from Missouri to Portugal
Discover the top 7 airlines that operate flights from Missouri to Portugal. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$875 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$502 | Average$1,153 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$762 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$533 | Average$1,023 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$551 | Average$704 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$599 | Average$602 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$649 | Average$1,062 | FlexibilityNo cancel fee | On-time67% |