$374+ Cheap flights from Portugal to O'Hare Intl (ORD)
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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Jul 24 — Jul 311
Round-trip
1 adult, Economy
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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 Juni 24, 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 Juni 24, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/125:50 pm
OPO
- ORD
1 stop28h 55m
Scandinavian Airlines
Mo 11/167:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$589
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 12/224:55 pm
LIS
- ORD
1 stop30h 00m
Scandinavian Airlines
Sa 1/97:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$599
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 7/1112:45 pm
LIS
- ORD
1 stop15h 14m
Virgin Atlantic
Sa 7/186:59 am
ORD
- LIS
1 stop21h 46m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$614
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/124:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mo 11/167:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$616
This AirNGo deal was found by Cheapflights users on 6/22. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/811:25 am
LIS
- ORD
2 stops50h 19m
Air Canada
Sa 10/107:52 pm
ORD
- LIS
2 stops31h 28m
Air Canada
Deal found 6/22![Air Canada logo]()
$670
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 12/224:55 pm
LIS
- ORD
1 stop30h 00m
Scandinavian Airlines
Mo 1/1110:40 am
ORD
- LIS
2 stops23h 25m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$673
This Icelandair deal was found by Cheapflights users on 6/23. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/172:00 pm
LIS
- ORD
1 stop33h 20m
Icelandair
Mi 1/66:30 pm
ORD
- LIS
1 stop12h 20m
Icelandair
Deal found 6/23![Icelandair logo]()
$693
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 12/224:55 pm
LIS
- ORD
1 stop30h 00m
Scandinavian Airlines
Di 1/57:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$699
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/176:10 am
LIS
- ORD
3 stops21h 25m
Multiple Airlines
Sa 9/268:45 am
ORD
- LIS
2 stops18h 30m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$701
This Trip.com deal was found by Cheapflights users on 6/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 11/14:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Fr 11/67:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/20![Scandinavian Airlines logo]()
$710
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 12/224:55 pm
LIS
- ORD
1 stop30h 00m
Scandinavian Airlines
Do 1/77:00 am
ORD
- LIS
2 stops27h 05m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$711
This Scandinavian Airlines deal was found by Cheapflights users on 6/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/88:40 pm
OPO
- ORD
1 stop25h 30m
Scandinavian Airlines
Do 8/277:15 pm
ORD
- OPO
1 stop15h 50m
Scandinavian Airlines
Deal found 6/21![Scandinavian Airlines logo]()
$741
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 Juni 24, 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 Juni 24, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/124:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mo 11/167:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$614
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Do 11/57:40 pm
FAO
- ORD
1 stop24h 10m
American Airlines
So 11/86:50 pm
ORD
- FAO
1 stop16h 30m
American Airlines
Deal found 6/22![American Airlines logo]()
$790
This British Airways deal was found by Cheapflights users on 6/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/308:00 pm
FAO
- ORD
1 stop28h 15m
British Airways
So 10/45:00 pm
ORD
- FAO
1 stop13h 00m
British Airways
Deal found 6/23![British Airways logo]()
$791
This Delta deal was found by Cheapflights users on 6/23. 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.
So 12/2010:00 am
LIS
- ORD
1 stop13h 34m
Delta
Fr 1/86:10 pm
ORD
- LIS
2 stops17h 20m
Delta
Deal found 6/23![Delta logo]()
$827
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/238:00 am
FAO
- ORD
2 stops20h 05m
Multiple Airlines
Mo 7/2710:25 pm
ORD
- FAO
2 stops19h 05m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Mi 11/41:00 pm
LIS
- ORD
2 stops35h 20m
United Airlines
Fr 11/62:20 pm
ORD
- LIS
1 stop11h 50m
United Airlines
Deal found 6/20![United Airlines logo]()
$834
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 7/225:05 am
OPO
- ORD
1 stop16h 55m
TAP AIR PORTUGAL
Mi 7/294:40 pm
ORD
- OPO
1 stop16h 20m
TAP AIR PORTUGAL
Deal found 6/24![TAP AIR PORTUGAL logo]()
$944
This Iberia deal was found by Cheapflights users on 6/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 7/218:20 am
OPO
- ORD
1 stop12h 05m
Iberia
Di 7/284:55 pm
ORD
- OPO
1 stop21h 05m
Iberia
Deal found 6/19![Iberia logo]()
$1,033
This KLM deal was found by Cheapflights users on 6/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/1611:55 am
LIS
- ORD
1 stop32h 20m
KLM
So 7/264:20 pm
ORD
- LIS
1 stop16h 15m
KLM
Deal found 6/22![KLM logo]()
$1,033
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 7/1112:45 pm
LIS
- ORD
2 stops17h 08m
Virgin Atlantic
Sa 7/1811:16 am
ORD
- LIS
2 stops17h 29m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$1,037
This Scandinavian Airlines deal was found by Cheapflights users on 6/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/125:50 pm
OPO
- ORD
1 stop28h 55m
Scandinavian Airlines
Mo 11/167:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Deal found 6/19![Scandinavian Airlines logo]()
$626
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/57:40 pm
FAO
- ORD
2 stops26h 00m
British Airways
So 11/84:34 pm
ORD
- FAO
2 stops18h 46m
British Airways
Deal found 6/22![British Airways logo]()
$802
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/3010:25 am
FAO
- ORD
2 stops35h 45m
Scandinavian Airlines
So 10/47:15 pm
ORD
- FAO
1 stop32h 25m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$750
This Mytrip deal was found by Cheapflights users on 6/19. 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.
Di 7/211:30 pm
OPO
- ORD
1 stop14h 35m
Multiple Airlines
Di 7/287:25 pm
ORD
- OPO
2 stops19h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$873
This British Airways deal was found by Cheapflights users on 6/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 12/1811:05 am
LIS
- ORD
1 stop15h 32m
British Airways
Mi 1/69:50 pm
ORD
- LIS
1 stop13h 50m
British Airways
Deal found 6/23![British Airways logo]()
$803
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 12/184:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Sa 1/97:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$799
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/165:05 am
OPO
- ORD
1 stop13h 35m
TAP AIR PORTUGAL
Mi 7/294:40 pm
ORD
- OPO
1 stop20h 20m
TAP AIR PORTUGAL
Deal found 6/22![TAP AIR PORTUGAL logo]()
$1,015
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 7/225:00 am
OPO
- ORD
2 stops19h 29m
Delta
Mi 7/292:07 pm
ORD
- OPO
2 stops19h 18m
Delta
Deal found 6/24![Delta logo]()
$1,030
This Mytrip deal was found by Cheapflights users on 6/20. 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.
Do 7/910:00 am
OPO
- ORD
3 stops33h 22m
Multiple Airlines
Do 7/2311:05 am
ORD
- OPO
2 stops16h 40m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$939
This KLM deal was found by Cheapflights users on 6/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/237:45 pm
LIS
- ORD
1 stop24h 30m
KLM
Do 7/304:20 pm
ORD
- LIS
1 stop20h 25m
KLM
Deal found 6/22![KLM logo]()
$1,033
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/165:05 am
OPO
- ORD
1 stop13h 35m
TAP AIR PORTUGAL
Sa 7/256:05 pm
ORD
- OPO
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 6/22![TAP AIR PORTUGAL logo]()
$1,015
This Delta deal was found by Cheapflights users on 6/22. 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.
So 8/95:00 am
OPO
- ORD
1 stop15h 15m
Delta
Di 8/255:20 pm
ORD
- OPO
2 stops16h 05m
Delta
Deal found 6/22![Delta logo]()
$1,031
This Delta deal was found by Cheapflights users on 6/22. 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.
Do 7/95:00 am
OPO
- ORD
1 stop15h 15m
Delta
Do 7/235:10 pm
ORD
- OPO
1 stop19h 05m
Delta
Deal found 6/22![Delta logo]()
$1,031
This Delta deal was found by Cheapflights users on 6/22. 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.
Fr 7/175:00 am
LIS
- ORD
1 stop15h 15m
Delta
Di 7/2810:28 am
ORD
- LIS
2 stops18h 47m
Delta
Deal found 6/22![Delta logo]()
$1,039
This Delta deal was found by Cheapflights users on 6/21. 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.
Mi 8/55:00 am
LIS
- ORD
1 stop15h 30m
Delta
Mi 8/125:20 pm
ORD
- LIS
2 stops15h 35m
Delta
Deal found 6/21![Delta logo]()
$1,039
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated Juni 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated Juni 24, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/256:10 am
LIS
- ORD
1 stop18h 33m
Multiple Airlines
Do 7/97:25 am
ORD
- LIS
2 stops33h 10m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$781
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/256:10 am
LIS
- ORD
2 stops21h 55m
Multiple Airlines
Sa 7/119:50 am
ORD
- LIS
2 stops29h 05m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$834
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/25:00 am
OPO
- ORD
1 stop15h 15m
Delta
Mi 7/155:10 pm
ORD
- OPO
1 stop16h 15m
Delta
Deal found 6/24![Delta logo]()
$916
This Mytrip deal was found by Cheapflights users on 6/20. 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.
Do 7/97:30 pm
LIS
- ORD
3 stops30h 59m
Multiple Airlines
Sa 7/257:25 am
ORD
- LIS
2 stops31h 30m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$813
This Mytrip deal was found by Cheapflights users on 6/20. 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.
Do 7/97:30 pm
LIS
- ORD
3 stops30h 59m
Multiple Airlines
Mi 7/227:25 pm
ORD
- LIS
2 stops17h 00m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$850
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 7/1112:45 pm
LIS
- ORD
1 stop15h 14m
Virgin Atlantic
Sa 7/186:59 am
ORD
- LIS
1 stop21h 46m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$614
This flugladen.de deal was found by Cheapflights users on 6/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 7/138:00 am
FAO
- ORD
2 stops40h 15m
Multiple Airlines
Mo 7/2010:25 pm
ORD
- FAO
2 stops18h 05m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$892
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 7/1311:45 am
FAO
- ORD
1 stop13h 30m
Aer Lingus
Mo 7/203:45 pm
ORD
- FAO
1 stop21h 40m
Aer Lingus
Deal found 6/20![Aer Lingus logo]()
$936
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/238:00 am
FAO
- ORD
2 stops20h 05m
Multiple Airlines
Mo 7/2710:25 pm
ORD
- FAO
2 stops19h 05m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 7/2311:45 am
FAO
- ORD
1 stop13h 30m
Aer Lingus
Mo 7/273:45 pm
ORD
- FAO
1 stop12h 50m
Aer Lingus
Deal found 6/23![Aer Lingus logo]()
$912
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 Juni 24, 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 Juni 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 10/267:55 pm
OPO
- ORD
3 stops27h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 9/87:10 am
OPO
- ORD
3 stops40h 40m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 9/87:10 pm
LIS
- ORD
3 stops28h 40m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/2410:15 pm
FAO
- ORD
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 9/126:10 am
LIS
- ORD
3 stops38h 25m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 9/157:20 pm
FAO
- ORD
3 stops52h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 10/266:20 am
LIS
- ORD
3 stops41h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 9/711:00 pm
LIS
- ORD
2 stops28h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 8/259:40 pm
LIS
- ORD
2 stops27h 35m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/265:55 am
LIS
- ORD
2 stops19h 20m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 9/1810:00 pm
OPO
- ORD
3 stops49h 50m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/167:25 am
LIS
- ORD
2 stops43h 55m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$409
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 Juni 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $589 (Scandinavian Airlines) |
One-way from | $374 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,237 |
Good one-way deal | $641 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 2,558,603 searches. Data last updated Juni 24, 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
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Do 11/12
4:55 pm-4:45 pm
1 stop29h 50m
Chicago O'Hare Intl
Mo 11/16
7:15 pm-4:05 pm
1 stop14h 50m
$614
PortoChicago
OPO - ORD
OPOORD
Porto
Do 11/12
5:50 pm-4:45 pm
1 stop28h 55m
Chicago O'Hare Intl
Mo 11/16
7:15 pm-11:05 am
1 stop33h 50m
$626
FaroChicago
FAO - ORD
FAOORD
Faro
Mi 9/30
10:25 am-4:10 pm
2 stops35h 45m
Chicago O'Hare Intl
So 10/4
7:15 pm-9:40 am
1 stop32h 25m
$750
FaroChicago
FAO - ORD
FAOORD
Faro
Do 11/5
7:40 pm-1:50 pm
1 stop24h 10m
Chicago O'Hare Intl
So 11/8
6:50 pm-5:20 pm
1 stop16h 30m
$790
FaroChicago
FAO - ORD
FAOORD
Faro
Mi 9/30
8:00 pm-6:15 pm
1 stop28h 15m
Chicago O'Hare Intl
So 10/4
5:00 pm-12:00 pm
1 stop13h 00m
$791
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Fr 12/18
4:55 pm-4:45 pm
1 stop29h 50m
Chicago O'Hare Intl
Sa 1/9
7:15 pm-4:05 pm
1 stop14h 50m
$799
FaroChicago
FAO - ORD
FAOORD
Faro
Do 11/5
7:40 pm-3:40 pm
2 stops26h 00m
Chicago O'Hare Intl
So 11/8
4:34 pm-5:20 pm
2 stops18h 46m
$802
Quickest round-trip
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Fr 12/18
11:05 am-8:37 pm
1 stop15h 32m
Chicago O'Hare Intl
Mi 1/6
9:50 pm-5:40 pm
1 stop13h 50m
$803
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
So 12/20
10:00 am-5:34 pm
1 stop13h 34m
Chicago O'Hare Intl
Fr 1/8
6:10 pm-5:30 pm
2 stops17h 20m
$827
FaroChicago
FAO - ORD
FAOORD
Faro
Do 7/23
8:00 am-10:05 pm
2 stops20h 05m
Chicago O'Hare Intl
Mo 7/27
10:25 pm-11:30 pm
2 stops19h 05m
$829
Showing 1-10 of 51 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.
OPO-ORD
LIS-ORD
FAO-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
OPO-ORD
LIS-ORD
FAO-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 $473). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $880). 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 Juni 24, 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 21% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 128 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 Saturday 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 21% 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 Juni 24, 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.
Boarding
7.0
Overall
7.2
Food
6.2
Crew
7.8
Comfort
7.1
Entertainment
6.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Boarding
7.0
Overall
7.2
Food
6.2
Crew
7.8
Comfort
7.1
Entertainment
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
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Oak Brook
South Holland
Libertyville
Hoffman Estates
Warrenville
Rockford
Racine
Great Lakes
Northbrook
Waukegan
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Other flights to O'Hare Intl
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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 2,558,603 searches. Data last updated Juni 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$665 | Average$1,205 | FlexibilityNo cancel fee | On-timeN/A |