$358+ Cheap flights from Portugal to O'Hare Intl (ORD)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from Portugal to O'Hare Intl 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portugal to O'Hare Intl
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Cheapest flights from Portugal to O'Hare IntlExplore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This Mytrip deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 11/121:15 pm -
2 stops35h 10m
Mon 11/169:50 pm -
2 stops17h 45m
Deal found 9/3![Multiple Airlines logo]()
$639
This Scandinavian Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/294:55 pm -
1 stop29h 50m
Mon 11/97:15 pm -
1 stop14h 50m
Deal found 9/2![Scandinavian Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Fri 11/64:55 pm -
1 stop29h 50m
Fri 1/87:15 pm -
1 stop14h 30m
Deal found 9/3![Multiple Airlines logo]()
$669
This Mytrip deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/216:15 am -
2 stops19h 37m
Sat 11/281:55 pm -
2 stops14h 55m
Deal found 9/5![Multiple Airlines logo]()
$671
This Rumbo deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:20 am -
Nonstop9h 20m
Wed 10/146:00 pm -
Nonstop8h 10m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$672
This Rumbo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:20 am -
Nonstop9h 20m
Sat 10/176:05 pm -
Nonstop8h 10m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$676
This Gotogate deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/15:05 am -
1 stop13h 35m
Wed 10/146:00 pm -
1 stop24h 40m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$685
This Booking.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Thu 10/225:05 am -
1 stop13h 35m
Wed 11/47:00 pm -
1 stop23h 30m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$688
This Gotogate deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Sat 11/2112:00 pm -
1 stop34h 45m
Sat 11/287:15 pm -
1 stop15h 30m
Deal found 9/5![Scandinavian Airlines logo]()
$691
This Justfly.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/284:55 pm -
1 stop29h 50m
Thu 1/77:15 pm -
1 stop14h 50m
Deal found 9/4![Scandinavian Airlines logo]()
$702
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:25 am -
1 stop13h 50m
Sat 10/314:55 pm -
1 stop20h 20m
Deal found 9/2![Aer Lingus logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/1710:15 am -
1 stop15h 00m
Mon 9/219:00 pm -
1 stop20h 30m
Deal found 9/5![Multiple Airlines logo]()
$715
Best flights from Portugal to O'Hare IntlDiscover carefully curated flight deals from Portugal to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Portugal to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 1/144:55 pm -
1 stop29h 50m
Sun 1/177:15 pm -
1 stop14h 50m
Deal found 9/3![Scandinavian Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/1710:15 am -
1 stop15h 00m
Mon 9/219:00 pm -
1 stop20h 30m
Deal found 9/5![Multiple Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
2 stops19h 26m
Sat 10/1712:00 pm -
2 stops17h 15m
Deal found 9/3![Delta logo]()
$722
This KLM deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 am -
1 stop15h 15m
Sun 10/45:10 pm -
1 stop16h 20m
Deal found 9/2![KLM logo]()
$779
This Virgin Atlantic deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:45 pm -
2 stops17h 12m
Thu 11/510:35 am -
2 stops16h 20m
Deal found 9/5![Virgin Atlantic logo]()
$780
This British Airways deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Thu 9/171:20 pm -
1 stop29h 05m
Mon 9/211:35 pm -
2 stops19h 10m
Deal found 9/5![British Airways logo]()
$800
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 1/1411:10 am -
1 stop34h 20m
Sun 1/178:10 pm -
1 stop21h 40m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:40 am -
2 stops18h 00m
Mon 9/2111:15 am -
2 stops15h 55m
Deal found 9/5![United Airlines logo]()
$941
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/65:30 am -
2 stops21h 00m
Fri 1/81:35 pm -
2 stops19h 35m
Deal found 9/3![Delta logo]()
$728
This KLM deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Wed 10/145:10 pm -
1 stop15h 45m
Deal found 9/2![Multiple Airlines logo]()
$787
This British Airways deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Thu 10/112:25 pm -
2 stops17h 11m
Thu 10/87:05 pm -
1 stop19h 25m
Deal found 8/31![British Airways logo]()
$807
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 12/135:00 am -
1 stop15h 25m
Sat 1/911:30 am -
2 stops17h 05m
Deal found 9/3![Delta logo]()
$778
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Wed 10/145:29 pm -
2 stops15h 56m
Deal found 9/3![Delta logo]()
$778
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
2 stops19h 20m
Wed 11/410:30 am -
2 stops18h 05m
Deal found 9/2![Delta logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/1712:50 pm -
2 stops33h 10m
Tue 9/224:55 pm -
1 stop24h 10m
Deal found 9/1![Multiple Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:00 am -
2 stops19h 26m
Wed 10/146:00 pm -
2 stops15h 25m
Deal found 9/2![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
2 stops19h 26m
Sun 10/45:10 pm -
1 stop16h 20m
Deal found 9/2![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
2 stops19h 26m
Thu 10/15:10 pm -
1 stop16h 15m
Deal found 9/1![Delta logo]()
$785
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 am -
2 stops22h 31m
Mon 10/2611:19 am -
2 stops18h 16m
Deal found 9/4![Delta logo]()
$785
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Wed 10/145:10 pm -
1 stop15h 45m
Deal found 9/2![Delta logo]()
$787
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/1710:15 am -
1 stop15h 00m
Mon 9/219:00 pm -
1 stop20h 30m
Deal found 9/5![Multiple Airlines logo]()
$715
This Rumbo deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 pm -
1 stop23h 30m
Thu 10/16:00 pm -
1 stop18h 55m
Deal found 9/1![TAP AIR PORTUGAL logo]()
$741
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/1711:45 am -
1 stop13h 30m
Tue 9/223:45 pm -
1 stop12h 50m
Deal found 9/1![Aer Lingus logo]()
$767
This Justfly.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Fri 9/185:55 pm -
1 stop28h 15m
Wed 10/147:10 pm -
2 stops39h 55m
Deal found 9/5![Scandinavian Airlines logo]()
$720
This Rumbo deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:20 am -
Nonstop9h 20m
Wed 10/146:00 pm -
Nonstop8h 10m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$672
This Rumbo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:20 am -
Nonstop9h 20m
Sat 10/176:05 pm -
Nonstop8h 10m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$676
This Gotogate deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/15:05 am -
1 stop13h 35m
Wed 10/146:00 pm -
1 stop24h 40m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$685
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Sat 10/175:10 pm -
1 stop15h 45m
Deal found 9/3![Delta logo]()
$716
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Wed 10/145:29 pm -
2 stops15h 56m
Deal found 9/3![Delta logo]()
$778
This Booking.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Thu 10/225:05 am -
1 stop13h 35m
Wed 11/47:00 pm -
1 stop23h 30m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$688
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:25 am -
1 stop13h 50m
Sat 10/314:55 pm -
1 stop20h 20m
Deal found 9/2![Aer Lingus logo]()
$714
This Scandinavian Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/294:55 pm -
1 stop29h 50m
Mon 11/97:15 pm -
1 stop14h 50m
Deal found 9/2![Scandinavian Airlines logo]()
$665
One-way flights from Portugal to O'Hare IntlSearch for one-way flight options from Portugal to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Portugal to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/197:20 am -
3 stops40h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:55 pm -
3 stops55h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:15 pm -
3 stops52h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Tue 11/176:25 am -
2 stops39h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 2/153:10 pm -
2 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
3 stops41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:35 pm -
3 stops50h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/58:55 pm -
3 stops50h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/225:40 pm -
3 stops30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Tue 11/36:25 am -
2 stops39h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/227:15 pm -
3 stops28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Tue 11/35:45 pm -
3 stops53h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$421
Find flight deals from Portugal to O'Hare Intl
Keep the following information in mind while searching for Portugal to O'Hare Intl flight deals. Data was last updated September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $622 (Scandinavian Airlines) |
One-way from | $358 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $887 |
Good one-way deal | $655 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to O'Hare Intl 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 5, 2026.
Use the filters below to find and compare flights from Portugal to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Wed 10/21
7:15 pm-5:50 pm
3 stops52h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$401
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Mon 2/15
8:45 am-7:15 pm
2 stops40h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$444
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Wed 11/25
4:05 pm-3:30 pm
2 stops53h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$445
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Mon 11/30
10:00 pm-6:15 pm
2 stops26h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$468
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Thu 12/24
6:25 am-3:30 pm
3 stops39h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$488
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Wed 9/30
8:15 pm-6:15 pm
3 stops28h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$514
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Mon 11/2
5:00 am-2:55 pm
3 stops39h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$527
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Sun 11/29
5:35 pm-4:45 pm
1 stop29h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$553
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Mon 10/5
10:45 pm-4:00 pm
3 stops47h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$575
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Sat 10/24
9:10 am-6:34 am
2 stops27h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$575
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Portugal to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Portugal with our price prediction graph.
LIS-ORD
FAO-ORD
OPO-ORD
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 Portugal to Chicago O'Hare Intl Airport
PT0-ORD
LIS-ORD
FAO-ORD
OPO-ORD
What is the cheapest month to book a flight from Portugal to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $695). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,137). 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 PT to ORD?
Find hourly flight availability from Portugal to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2026.
When flying from Portugal to Chicago O'Hare Intl Airport, 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 Portugal to Chicago delayed?
About 24% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for Portugal to Chicago flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Portugal to Chicago flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 24% of flights being delayed.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 5, 2026.
Get a feel of what it's like to fly with TAP AIR PORTUGAL from Portugal to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.8
Boarding
7.0
Entertainment
6.4
Overall
7.2
Comfort
7.2
Food
6.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Crew
7.8
Boarding
7.0
Entertainment
6.4
Overall
7.2
Comfort
7.2
Food
6.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Related info for your journey
Find useful and relevant information for your journey from Portugal to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Des Plaines
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Skokie
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Other flights to O'Hare Intl
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Portugal to O'Hare Intl flights
Consider these flights traveling from Portugal to O'Hare Intl.
Top airline flying from Portugal to O'Hare Intl
Discover the top airline that operate flights from Portugal to O'Hare Intl. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$697 | Average$1,083 | FlexibilityNo cancel fee | On-timeN/A |