$263+ Cheap flights from O'Hare Intl (ORD) 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Portugal with Cheapflights
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Cheapest flights from O'Hare Intl to PortugalExplore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This lol.travel deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sun 9/206:00 pm -
1 stop20h 35m
Tue 10/610:30 pm -
1 stop23h 30m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$625
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/146:00 pm -
1 stop17h 00m
Thu 10/296:00 pm -
1 stop27h 30m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$640
This Gotogate deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Thu 10/156:00 pm -
1 stop15h 00m
Thu 10/225:05 am -
1 stop13h 35m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$647
This Gotogate deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 pm -
1 stop11h 20m
Sun 11/88:30 am -
1 stop13h 00m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$649
This Gotogate deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 pm -
1 stop23h 00m
Fri 10/25:05 am -
1 stop16h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$650
This Justfly.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/306:00 pm -
1 stop20h 25m
Thu 10/296:00 pm -
1 stop27h 30m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Wed 9/307:15 pm -
2 stops33h 44m
Deal found 8/13![Multiple Airlines logo]()
$662
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 pm -
1 stop20h 25m
Wed 10/147:00 am -
1 stop15h 00m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$663
This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/46:00 pm -
1 stop15h 00m
Wed 10/149:00 am -
1 stop33h 40m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Tue 9/298:10 pm -
2 stops25h 50m
Deal found 8/13![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Thu 10/112:50 pm -
2 stops33h 10m
Deal found 8/13![Multiple Airlines logo]()
$707
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Wed 11/117:00 pm -
2 stops17h 25m
Tue 11/179:30 am -
2 stops36h 00m
Deal found 8/14![Multiple Airlines logo]()
$715
Best flights from O'Hare Intl to PortugalDiscover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 12/27:00 pm -
1 stop19h 15m
Tue 12/84:10 am -
1 stop17h 20m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$736
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 1/131:30 pm -
1 stop12h 30m
Mon 1/1812:20 pm -
1 stop33h 55m
Deal found 8/15![Delta logo]()
$746
This Finnair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Wed 12/28:40 pm -
1 stop12h 15m
Mon 12/76:35 pm -
1 stop25h 10m
Deal found 8/17![Multiple Airlines logo]()
$749
This Turkish Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm -
1 stop37h 30m
Tue 10/2010:40 am -
1 stop29h 00m
Deal found 8/14![Turkish Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/128:40 pm -
1 stop32h 25m
Wed 10/215:05 am -
1 stop15h 50m
Deal found 8/16![United Airlines logo]()
$758
This Scandinavian Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Mon 11/167:05 am -
2 stops25h 05m
Tue 11/243:55 pm -
2 stops30h 50m
Deal found 8/15![Scandinavian Airlines logo]()
$836
This SWISS deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:20 pm -
1 stop15h 05m
Mon 10/512:50 pm -
1 stop29h 45m
Deal found 8/14![SWISS logo]()
$939
This Turkish Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:45 am -
1 stop21h 40m
Tue 11/2410:55 am -
1 stop29h 05m
Deal found 8/15![Turkish Airlines logo]()
$753
This Cheapflightsfares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Sun 11/158:10 pm -
1 stop15h 00m
Sun 11/227:50 am -
1 stop13h 40m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$756
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/1512:59 pm -
1 stop14h 31m
Thu 11/196:00 am -
1 stop15h 20m
Deal found 8/15![United Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 1/1310:30 am -
2 stops18h 05m
Wed 1/205:00 am -
1 stop15h 25m
Deal found 8/16![Delta logo]()
$765
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/187:00 pm -
1 stop18h 35m
Wed 11/256:30 am -
1 stop14h 00m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$769
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 2/310:40 am -
2 stops18h 40m
Sun 2/75:00 am -
1 stop15h 25m
Deal found 8/14![Delta logo]()
$780
This Scandinavian Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sat 10/31:29 pm -
2 stops21h 36m
Sun 10/115:55 pm -
1 stop28h 15m
Deal found 8/16![Scandinavian Airlines logo]()
$860
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/53:40 pm -
2 stops17h 55m
Mon 10/129:40 pm -
2 stops28h 15m
Deal found 8/13![Multiple Airlines logo]()
$924
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 9/77:45 pm -
1 stop31h 55m
Wed 9/1611:00 am -
1 stop12h 39m
Deal found 8/12![United Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/1110:24 am -
2 stops16h 26m
Tue 10/205:00 am -
1 stop15h 15m
Deal found 8/16![Delta logo]()
$790
This SWISS deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:40 pm -
1 stop21h 40m
Tue 10/67:05 pm -
1 stop23h 30m
Deal found 8/15![SWISS logo]()
$971
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Thu 1/216:50 pm -
2 stops38h 45m
Sat 1/304:25 pm -
1 stop30h 20m
Deal found 8/14![Scandinavian Airlines logo]()
$896
This Turkish Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:10 pm -
1 stop37h 30m
Sun 10/1110:45 am -
1 stop28h 55m
Deal found 8/14![Turkish Airlines logo]()
$902
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 pm -
1 stop25h 30m
Wed 9/165:50 am -
1 stop16h 10m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$842
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/133:00 pm -
2 stops12h 40m
Wed 9/2311:00 am -
1 stop10h 34m
Deal found 8/15![United Airlines logo]()
$872
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/287:00 am -
2 stops21h 05m
Fri 10/211:00 am -
2 stops27h 58m
Deal found 8/13![Multiple Airlines logo]()
$962
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/304:50 pm -
1 stop15h 45m
Wed 10/75:35 am -
1 stop15h 35m
Deal found 8/16![Delta logo]()
$797
This SWISS deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:05 pm -
1 stop17h 15m
Mon 10/199:10 am -
1 stop33h 25m
Deal found 8/14![SWISS logo]()
$971
This Turkish Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:10 pm -
1 stop37h 40m
Sun 10/1110:45 am -
1 stop28h 55m
Deal found 8/17![Turkish Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 pm -
2 stops17h 50m
Fri 10/235:00 am -
2 stops17h 32m
Deal found 8/17![Delta logo]()
$800
This United deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:00 am -
2 stops18h 10m
Tue 10/67:05 pm -
1 stop26h 50m
Deal found 8/17![Multiple Airlines logo]()
$971
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/248:10 pm -
1 stop15h 00m
Thu 1/289:15 pm -
1 stop24h 15m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$895
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/711:25 am -
2 stops13h 35m
Wed 10/146:00 am -
1 stop14h 55m
Deal found 8/17![United Airlines logo]()
$950
Last-minute flights from O'Hare Intl to PortugalDiscover last-minute flight deals from O'Hare Intl to Portugal. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portugal. Data last updated August 18, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 pm -
1 stop23h 00m
Thu 9/2410:30 pm -
1 stop23h 30m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$696
This lol.travel deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sun 9/206:00 pm -
1 stop20h 35m
Tue 10/610:30 pm -
1 stop23h 30m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$625
This Gotogate deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 pm -
1 stop23h 00m
Fri 10/25:05 am -
1 stop16h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$650
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sun 9/206:00 pm -
1 stop15h 00m
Thu 10/17:00 am -
1 stop11h 40m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$652
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Sun 9/206:00 pm -
Nonstop8h 10m
Wed 9/3012:40 pm -
Nonstop9h 20m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Wed 9/307:15 pm -
2 stops33h 44m
Deal found 8/13![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Tue 9/298:10 pm -
2 stops25h 50m
Deal found 8/13![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm -
1 stop22h 10m
Thu 10/112:50 pm -
2 stops33h 10m
Deal found 8/13![Multiple Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 pm -
Nonstop8h 10m
Fri 10/212:35 pm -
Nonstop9h 25m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$737
This Justfly.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/306:00 pm -
1 stop20h 25m
Thu 10/296:00 pm -
1 stop27h 30m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$658
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/306:00 pm -
1 stop19h 00m
Wed 10/710:30 pm -
1 stop20h 10m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$690
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/306:00 pm -
1 stop17h 00m
Thu 10/1510:30 pm -
1 stop23h 30m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$718
One-way flights from O'Hare Intl to PortugalSearch for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:21 pm -
3 stops47h 54m
Deal found 8/13![Multiple Airlines logo]()
$263
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:45 pm -
3 stops25h 15m
Deal found 8/13![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm -
2 stops23h 45m
Deal found 8/15![Multiple Airlines logo]()
$312
This Mytrip deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Sun 9/137:25 pm -
2 stops21h 50m
Deal found 8/15![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm -
2 stops21h 35m
Deal found 8/13![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Fri 10/910:25 pm -
2 stops44h 30m
Deal found 8/15![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:25 pm -
2 stops42h 35m
Deal found 8/15![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:25 pm -
2 stops23h 45m
Deal found 8/14![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:25 pm -
2 stops19h 40m
Deal found 8/16![Multiple Airlines logo]()
$331
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/57:25 pm -
2 stops18h 50m
Deal found 8/13![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/2710:25 pm -
2 stops44h 45m
Deal found 8/14![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/297:30 pm -
3 stops42h 15m
Deal found 8/17![Multiple Airlines logo]()
$334
Find flight deals from O'Hare Intl to Portugal
Keep the following information in mind while searching for O'Hare Intl to Portugal flight deals. Data was last updated August 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $625 (lol.travel) |
One-way from | $197 (Ovago) |
Popular in | June |
Cheapest in | February |
Average price | $962 |
Good round-trip deal | $642 or less |
Good one-way deal | $459 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 18, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoFunchal
ORD Chicago O'Hare Intl - FNC Funchal Madeira
ORDFNC
Chicago O'Hare Intl
Wed 12/2
7:00 pm-8:15 pm
1 stop19h 15m
Funchal Madeira
Tue 12/8
4:10 am-3:30 pm
1 stop17h 20m
$736
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 1/13
1:30 pm-8:00 am
1 stop12h 30m
Lisbon Humberto Delgado
Mon 1/18
12:20 pm-4:15 pm
1 stop33h 55m
$746
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 12/2
8:40 pm-2:55 pm
1 stop12h 15m
Lisbon Humberto Delgado
Mon 12/7
6:35 pm-1:45 pm
1 stop25h 10m
$749
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Tue 10/13
8:10 pm-3:40 pm
1 stop37h 30m
Porto
Tue 10/20
10:40 am-9:40 am
1 stop29h 00m
$753
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Thu 11/19
11:45 am-3:25 pm
1 stop21h 40m
Porto
Tue 11/24
10:55 am-10:00 am
1 stop29h 05m
$753
ChicagoFunchal
ORD Chicago O'Hare Intl - FNC Funchal Madeira
ORDFNC
Chicago O'Hare Intl
Sun 11/15
8:10 pm-5:10 pm
1 stop15h 00m
Funchal Madeira
Sun 11/22
7:50 am-3:30 pm
1 stop13h 40m
$756
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Mon 10/12
8:40 pm-11:05 am
1 stop32h 25m
Lisbon Humberto Delgado
Wed 10/21
5:05 am-2:55 pm
1 stop15h 50m
$758
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Sun 11/15
12:59 pm-9:30 am
1 stop14h 31m
Porto
Thu 11/19
6:00 am-3:20 pm
1 stop15h 20m
$759
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Wed 1/13
10:30 am-10:35 am
2 stops18h 05m
Porto
Wed 1/20
5:00 am-2:25 pm
1 stop15h 25m
$765
ChicagoPonta Delgada
ORD Chicago O'Hare Intl - PDL Ponta Delgada Nordela
ORDPDL
Chicago O'Hare Intl
Wed 11/18
7:00 pm-6:35 pm
1 stop18h 35m
Ponta Delgada Nordela
Wed 11/25
6:30 am-3:30 pm
1 stop14h 00m
$769
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from O'Hare Intl with our price prediction graph.
ORD-OPO
ORD-FAO
ORD-LIS
ORD-FNC
ORD-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 Chicago O'Hare Intl Airport to Portugal
ORD-PT0
ORD-OPO
ORD-FAO
ORD-LIS
ORD-FNC
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portugal?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $581). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $1,112). 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.
What is the cheapest time of day to fly from ORD to PT?
Find hourly flight availability from O'Hare Intl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2026.
When flying from Chicago O'Hare Intl Airport to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Chicago to Portugal delayed?
About 33% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Chicago to Portugal flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 33% of flights being delayed.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Portugal?
The best time to book flights from Chicago O'Hare Intl Airport to Portugal is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated August 18, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andTAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Portugal. 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 O'Hare Intl to Portugal
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Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from O'Hare Intl to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Portugal flights
Browse other O'Hare Intl and Portugal flight options. Last updated on August 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
O'Hare Intl to Portugal flights
Consider these flights traveling from O'Hare Intl to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from O'Hare Intl to Portugal
Discover the top 10 airlines that operate flights from O'Hare Intl 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$369 | Average$587 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$373 | Average$470 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$451 | Average$826 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$474 | Average$762 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$739 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$1,106 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$489 | Average$719 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$693 | FlexibilityNo cancel fee | On-time75% |