$327+ Cheap flights from Missouri to Portugal
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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Oct 23 — Oct 301
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 September 23, 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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/86:10 am -
1 stop21h 20m
Tue 11/2412:35 pm -
2 stops27h 31m
Deal found 9/19![United Airlines logo]()
$566
This Expedia deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 12/86:07 pm -
2 stops17h 43m
Mon 12/148:40 pm -
2 stops19h 29m
Deal found 9/22![Multiple Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/175:50 pm -
1 stop10h 15m
Tue 11/2412:50 pm -
2 stops27h 36m
Deal found 9/23![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/106:10 am -
1 stop21h 20m
Wed 11/1812:35 pm -
1 stop14h 04m
Deal found 9/22![United Airlines logo]()
$575
This Gotogate deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/304:05 pm -
1 stop11h 15m
Wed 12/911:20 am -
1 stop34h 06m
Deal found 9/20![Multiple Airlines logo]()
$578
This Booking.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:05 pm -
1 stop11h 15m
Tue 11/1712:50 pm -
2 stops32h 53m
Deal found 9/19![Air Canada logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/211:27 am -
2 stops16h 03m
Wed 12/912:35 pm -
2 stops26h 21m
Deal found 9/19![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Wed 10/1412:19 pm -
2 stops17h 26m
Wed 12/98:20 am -
2 stops20h 39m
Deal found 9/20![American Airlines logo]()
$581
This Justfly.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/259:40 am -
2 stops15h 15m
Thu 12/310:55 am -
2 stops31h 27m
Deal found 9/22![Air Canada logo]()
$583
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/11:18 pm -
2 stops12h 52m
Tue 12/811:20 am -
2 stops31h 02m
Deal found 9/19![United Airlines logo]()
$584
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Mon 11/24:05 pm -
1 stop11h 15m
Tue 11/1711:20 am -
1 stop34h 06m
Deal found 9/19![Multiple Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/267:36 am -
2 stops19h 34m
Tue 11/1010:15 am -
2 stops28h 25m
Deal found 9/20![United Airlines logo]()
$586
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 September 23, 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 September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/36:02 am -
1 stop21h 03m
Wed 11/118:20 am -
2 stops17h 02m
Deal found 9/18![American Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/112:00 pm -
1 stop14h 15m
Tue 11/105:55 am -
2 stops17h 15m
Deal found 9/23![Delta logo]()
$590
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/36:00 am -
1 stop20h 10m
Wed 11/1110:15 am -
1 stop17h 37m
Deal found 9/18![United Airlines logo]()
$595
This Travelocity deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:27 pm -
2 stops36h 18m
Tue 11/104:40 pm -
2 stops31h 37m
Deal found 9/23![Iberia logo]()
$606
This Air France deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/31:00 pm -
2 stops27h 00m
Tue 11/105:55 am -
2 stops22h 41m
Deal found 9/19![Multiple Airlines logo]()
$609
This Air France deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Fri 11/133:30 pm -
2 stops17h 40m
Tue 11/246:30 pm -
2 stops28h 03m
Deal found 9/19![Air France logo]()
$674
This KLM deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 2/82:15 pm -
2 stops17h 35m
Tue 3/92:40 pm -
2 stops34h 06m
Deal found 9/23![KLM logo]()
$857
This KAYAK deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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.
Mon 2/85:45 pm -
2 stops38h 20m
Tue 3/912:25 pm -
2 stops38h 05m
Deal found 9/22![SWISS logo]()
$893
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/2711:00 am -
2 stops17h 30m
Fri 11/66:00 am -
2 stops21h 40m
Deal found 9/20![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/277:00 am -
2 stops22h 35m
Fri 11/65:00 am -
2 stops20h 56m
Deal found 9/21![Delta logo]()
$617
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:31 am -
2 stops25h 54m
Fri 10/1611:45 am -
2 stops18h 13m
Deal found 9/19![Aer Lingus logo]()
$1,253
This United deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/86:00 am -
3 stops21h 30m
Mon 12/1412:30 pm -
2 stops16h 37m
Deal found 9/20![Multiple Airlines logo]()
$640
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Fri 10/165:27 pm -
2 stops19h 38m
Sat 10/248:00 pm -
2 stops33h 59m
Deal found 9/21![British Airways logo]()
$1,317
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/128:55 am -
3 stops42h 56m
Deal found 9/20![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/278:00 am -
2 stops18h 15m
Thu 12/310:15 am -
2 stops19h 11m
Deal found 9/19![Delta logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Fri 1/298:13 am -
2 stops17h 27m
Wed 2/38:20 am -
2 stops16h 09m
Deal found 9/18![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/256:10 am -
1 stop21h 20m
Wed 12/26:00 am -
2 stops45h 47m
Deal found 9/21![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 1/11:00 pm -
2 stops15h 35m
Wed 3/3112:25 pm -
2 stops16h 01m
Deal found 9/22![Delta logo]()
$654
This Air Canada deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 2/811:25 am -
3 stops22h 15m
Tue 3/96:05 am -
3 stops23h 23m
Deal found 9/23![Air Canada logo]()
$1,593
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/86:02 am -
1 stop21h 28m
Mon 12/1412:35 pm -
1 stop17h 00m
Deal found 9/20![United Airlines logo]()
$625
This KLM deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/135:27 pm -
2 stops19h 18m
Wed 10/215:35 am -
2 stops22h 44m
Deal found 9/19![Multiple Airlines logo]()
$703
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/276:00 am -
2 stops23h 35m
Mon 11/25:00 am -
2 stops22h 19m
Deal found 9/21![Delta logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 2/29:43 am -
2 stops20h 02m
Tue 3/212:35 pm -
1 stop13h 55m
Deal found 9/23![United Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/1312:00 pm -
2 stops17h 15m
Thu 10/225:00 am -
2 stops17h 54m
Deal found 9/19![Delta logo]()
$691
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/36:00 am -
1 stop20h 10m
Tue 11/1012:20 pm -
1 stop31h 25m
Deal found 9/19![United Airlines logo]()
$631
This deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:00 pm -
1 stop10h 30m
Thu 12/312:35 pm -
1 stop15h 40m
Deal found 9/20![United Airlines logo]()
$634
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/86:10 am -
1 stop20h 00m
Mon 11/1610:15 am -
1 stop16h 24m
Deal found 9/22![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/311:29 am -
1 stop14h 41m
Mon 11/910:15 am -
1 stop17h 37m
Deal found 9/21![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/38:30 am -
2 stops17h 40m
Mon 11/910:15 am -
2 stops30h 35m
Deal found 9/22![United Airlines logo]()
$649
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/162:00 pm -
3 stops19h 30m
Sat 10/246:20 am -
2 stops22h 53m
Deal found 9/21![Multiple Airlines logo]()
$1,275
Last-minute flights from Missouri to PortugalDiscover last-minute flight deals from Missouri to Portugal. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Portugal. Data last updated September 23, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:27 pm -
2 stops36h 18m
Tue 11/104:40 pm -
2 stops31h 37m
Deal found 9/22![Iberia logo]()
$606
This Travelocity deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:21 pm -
2 stops42h 39m
Wed 10/218:40 pm -
2 stops32h 37m
Deal found 9/18![Iberia logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/1312:10 pm -
1 stop12h 50m
Wed 10/2111:20 am -
2 stops34h 23m
Deal found 9/19![United Airlines logo]()
$620
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Tue 10/1312:10 pm -
1 stop12h 50m
Wed 10/2111:20 am -
1 stop13h 21m
Deal found 9/19![Air Canada logo]()
$633
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Wed 10/1412:19 pm -
2 stops17h 26m
Wed 12/98:20 am -
2 stops20h 39m
Deal found 9/20![American Airlines logo]()
$581
This Orbitz deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:31 am -
2 stops22h 29m
Mon 11/234:40 pm -
2 stops22h 51m
Deal found 9/19![Iberia logo]()
$590
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/199:30 am -
1 stop18h 15m
Mon 11/2312:35 pm -
1 stop15h 17m
Deal found 9/19![United Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Wed 10/217:22 am -
1 stop19h 43m
Mon 11/28:20 am -
2 stops16h 28m
Deal found 9/19![American Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/267:36 am -
2 stops19h 34m
Tue 11/1010:15 am -
2 stops28h 25m
Deal found 9/20![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 -
2 stops21h 40m
Deal found 9/20![United Airlines logo]()
$601
This KAYAK deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Tue 10/2711:29 am -
1 stop17h 01m
Fri 11/66:15 am -
2 stops21h 25m
Deal found 9/23![Lufthansa logo]()
$612
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/277:00 am -
2 stops22h 35m
Fri 11/65:00 am -
2 stops21h 51m
Deal found 9/23![Delta logo]()
$617
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 September 23, 2026.
Search for one-way flight options from Missouri to Portugal. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Expedia deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 3/11:37 pm -
2 stops16h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![British Airways logo]()
$327
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 1/127:25 am -
2 stops22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![British Airways logo]()
$361
This Air France deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Sun 1/39:52 am -
2 stops17h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air France logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 3/137:04 pm -
2 stops32h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/286:58 pm -
2 stops31h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$371
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 1/29:35 am -
2 stops41h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 1/33:40 pm -
1 stop13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 1/26:58 pm -
2 stops32h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$385
This Thrive Travel deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:56 am -
1 stop15h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Iberia logo]()
$401
This Lufthansa deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sun 1/33:40 pm -
1 stop25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Lufthansa logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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.
Fri 3/1211:34 am -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$406
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 1/24:05 pm -
1 stop10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$407
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 September 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $566 (United Airlines) |
One-way from | $327 (Expedia) |
Popular in | December |
Cheapest in | April |
Average price | $1,302 |
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 7,457,451 searches. Data last updated September 23, 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
SpringfieldLisbon
SGF Springfield-Branson - LIS Lisbon Humberto Delgado
SGFLIS
Springfield-Branson
Mon 3/1
1:37 pm-12:05 pm
2 stops16h 28m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$327
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 1/12
11:45 am-8:10 am
1 stop14h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Sun 1/3
9:52 am-8:55 am
2 stops17h 03m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 1/12
6:00 am-9:05 am
1 stop21h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 12/29
6:04 am-8:10 am
1 stop20h 06m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Tue 1/12
12:55 pm-9:05 am
1 stop14h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisPorto
STL Lambert-St Louis - OPO Porto
STLOPO
Lambert-St Louis
Sat 3/13
7:04 pm-9:30 am
2 stops32h 26m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Sun 1/3
3:40 pm-11:35 am
1 stop13h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$371
St. LouisLisbon
STL Lambert-St Louis - LIS Lisbon Humberto Delgado
STLLIS
Lambert-St Louis
Sun 1/3
3:40 pm-11:35 am
1 stop13h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$381
Kansas CityPorto
MCI Kansas City - OPO Porto
MCIOPO
Kansas City
Mon 10/19
8:43 pm-5:20 pm
3 stops38h 37m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$407
Showing 1-10 of 55 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.
SGF-LIS
STL-LIS
STL-OPO
MCI-LIS
MCI-OPO
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
SGF-LIS
STL-LIS
STL-OPO
MCI-LIS
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 $572). Flying from Missouri to Portugal in December is currently the most expensive (average of $1,790). 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 40 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
Toggle through the tabs below to find thousands of 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 September 23, 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$875 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$502 | Average$1,097 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$755 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$533 | Average$1,061 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$558 | Average$720 | 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% |