$356+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Aug 7 — Aug 141
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 July 8, 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 July 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Sat 8/2910:55 pm
LIS
- ORD
1 stop23h 15m
Scandinavian Airlines
Fri 9/117:15 pm
ORD
- LIS
1 stop20h 50m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$588
This FlightHub deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/97:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$592
This Justfly.com deal was found by Cheapflights users on 7/5. 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.
Tue 11/34:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Tue 12/17:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/5![Scandinavian Airlines logo]()
$609
This Scandinavian Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/2410:55 pm
LIS
- ORD
1 stop24h 50m
Scandinavian Airlines
Sun 11/17:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$615
This deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:10 am
LIS
- ORD
1 stop17h 05m
British Airways
Mon 11/29:50 pm
ORD
- LIS
1 stop15h 05m
British Airways
Deal found 7/8![British Airways logo]()
$623
This FlightHub deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 10/294:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Sun 11/87:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$629
This Scandinavian Airlines deal was found by Cheapflights users on 7/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Thu 12/37:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/5![Scandinavian Airlines logo]()
$632
This deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:10 am
LIS
- ORD
1 stop17h 05m
British Airways
Thu 11/59:50 pm
ORD
- LIS
1 stop14h 10m
British Airways
Deal found 7/8![British Airways logo]()
$635
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/3110:40 pm
OPO
- ORD
2 stops21h 35m
Multiple Airlines
Sun 9/135:10 pm
ORD
- OPO
2 stops22h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 7/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:05 am
LIS
- ORD
1 stop15h 40m
Multiple Airlines
Wed 12/27:15 pm
ORD
- LIS
1 stop14h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$649
This deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:10 am
LIS
- ORD
1 stop17h 05m
British Airways
Sun 11/19:50 pm
ORD
- LIS
1 stop13h 55m
British Airways
Deal found 7/8![British Airways logo]()
$650
This Scandinavian Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Wed 10/284:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Sun 11/87:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$652
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 July 8, 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 July 8, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 7/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Thu 12/37:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 7/5![Scandinavian Airlines logo]()
$632
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:00 pm
OPO
- ORD
3 stops29h 25m
Multiple Airlines
Sun 8/307:25 pm
ORD
- OPO
3 stops30h 35m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$784
This oojo deal was found by Cheapflights users on 7/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 pm
FAO
- ORD
1 stop24h 30m
TAP AIR PORTUGAL
Wed 9/166:00 pm
ORD
- FAO
1 stop17h 20m
TAP AIR PORTUGAL
Deal found 7/4![TAP AIR PORTUGAL logo]()
$807
This deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:25 am
LIS
- ORD
1 stop12h 09m
United Airlines
Mon 10/192:37 pm
ORD
- LIS
1 stop13h 53m
United Airlines
Deal found 7/8![United Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 am
OPO
- ORD
1 stop15h 30m
Delta
Sun 9/133:05 pm
ORD
- OPO
2 stops18h 25m
Delta
Deal found 7/8![Delta logo]()
$858
This KLM deal was found by Cheapflights users on 7/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 pm
OPO
- ORD
1 stop25h 30m
KLM
Mon 10/125:10 pm
ORD
- OPO
1 stop16h 15m
KLM
Deal found 7/5![KLM logo]()
$859
This Icelandair deal was found by Cheapflights users on 7/5. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:00 pm
LIS
- ORD
1 stop33h 20m
Icelandair
Wed 12/211:25 am
ORD
- LIS
2 stops19h 25m
Icelandair
Deal found 7/5![Icelandair logo]()
$1,000
This SWISS deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Sat 10/316:00 pm
LIS
- ORD
2 stops24h 10m
SWISS
Sun 11/84:10 pm
ORD
- LIS
2 stops15h 20m
SWISS
Deal found 7/6![SWISS logo]()
$1,008
This Scandinavian Airlines deal was found by Cheapflights users on 7/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:25 am
FAO
- ORD
2 stops35h 45m
Scandinavian Airlines
Sun 10/47:15 pm
ORD
- FAO
1 stop32h 25m
Scandinavian Airlines
Deal found 7/5![Scandinavian Airlines logo]()
$706
This Iberia deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:20 am
OPO
- ORD
1 stop12h 05m
Multiple Airlines
Sun 9/139:15 pm
ORD
- OPO
1 stop17h 20m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 am
OPO
- ORD
2 stops17h 14m
Delta
Mon 10/125:24 pm
ORD
- OPO
2 stops16h 01m
Delta
Deal found 7/5![Delta logo]()
$864
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 9/296:00 am
OPO
- ORD
1 stop14h 55m
United Airlines
Tue 10/131:35 pm
ORD
- OPO
1 stop14h 10m
United Airlines
Deal found 7/5![United Airlines logo]()
$887
This KLM deal was found by Cheapflights users on 7/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:50 am
FAO
- ORD
2 stops19h 42m
KLM
Wed 9/164:50 pm
ORD
- FAO
1 stop20h 40m
KLM
Deal found 7/4![KLM logo]()
$889
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 9/3011:50 am
OPO
- ORD
1 stop34h 20m
Scandinavian Airlines
Mon 10/127:15 pm
ORD
- OPO
1 stop33h 45m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 7/4. 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.
Thu 8/275:00 am
LIS
- ORD
2 stops19h 29m
Delta
Wed 9/95:10 pm
ORD
- LIS
2 stops18h 40m
Delta
Deal found 7/4![Delta logo]()
$872
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Mon 8/177:50 am
FAO
- ORD
2 stops16h 25m
Multiple Airlines
Mon 8/247:25 pm
ORD
- FAO
2 stops22h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 9/296:00 am
OPO
- ORD
2 stops19h 46m
United Airlines
Fri 10/97:52 pm
ORD
- OPO
1 stop31h 53m
United Airlines
Deal found 7/5![United Airlines logo]()
$893
This Mytrip deal was found by Cheapflights users on 7/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:10 pm
OPO
- ORD
3 stops31h 15m
Multiple Airlines
Tue 9/83:45 pm
ORD
- OPO
3 stops26h 55m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 7/4. 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.
Fri 10/165:00 am
LIS
- ORD
2 stops20h 38m
Delta
Thu 10/295:24 pm
ORD
- LIS
2 stops16h 46m
Delta
Deal found 7/4![Delta logo]()
$890
This Mytrip deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:00 pm
FAO
- ORD
2 stops31h 20m
Multiple Airlines
Fri 8/283:45 pm
ORD
- FAO
2 stops23h 45m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$888
This Mytrip deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/209:30 pm
OPO
- ORD
2 stops27h 45m
Multiple Airlines
Fri 10/237:25 pm
ORD
- OPO
2 stops20h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$890
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/55:00 am
LIS
- ORD
1 stop15h 30m
Delta
Sat 8/2910:30 am
ORD
- LIS
1 stop18h 15m
Delta
Deal found 7/7![Delta logo]()
$989
This Delta deal was found by Cheapflights users on 7/4. 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 7/275:00 am
LIS
- ORD
1 stop15h 30m
Delta
Tue 8/46:00 pm
ORD
- LIS
2 stops14h 55m
Delta
Deal found 7/4![Delta logo]()
$1,050
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 7/255:00 am
LIS
- ORD
1 stop15h 15m
Delta
Sat 8/15:18 pm
ORD
- LIS
2 stops18h 32m
Delta
Deal found 7/3![Delta logo]()
$1,070
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated July 8, 2026 and is based on user searches.
This lastminute.com deal was found by Cheapflights users on 7/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:05 am
FAO
- ORD
1 stop12h 35m
TAP AIR PORTUGAL
Wed 7/156:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Deal found 7/5![TAP AIR PORTUGAL logo]()
$889
This FlightHub deal was found by Cheapflights users on 7/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:15 pm
LIS
- ORD
1 stop25h 55m
Scandinavian Airlines
Tue 9/17:15 pm
ORD
- LIS
1 stop22h 00m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$723
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Mon 8/177:50 am
FAO
- ORD
2 stops16h 25m
Multiple Airlines
Mon 8/247:25 pm
ORD
- FAO
2 stops22h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:55 pm
FAO
- ORD
1 stop23h 20m
KLM
Mon 8/245:57 pm
ORD
- FAO
2 stops17h 28m
KLM
Deal found 7/3![KLM logo]()
$1,045
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 pm
OPO
- ORD
2 stops30h 25m
Multiple Airlines
Sun 8/307:25 pm
ORD
- OPO
2 stops20h 35m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$771
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2110:20 am
FAO
- ORD
1 stop14h 55m
Multiple Airlines
Fri 8/289:00 pm
ORD
- FAO
1 stop18h 30m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$894
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Mon 8/249:15 am
OPO
- ORD
2 stops33h 55m
Multiple Airlines
Tue 9/83:00 pm
ORD
- OPO
3 stops27h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$739
This Mytrip deal was found by Cheapflights users on 7/3. 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 8/278:15 am
LIS
- ORD
2 stops35h 07m
Multiple Airlines
Wed 9/99:50 am
ORD
- LIS
2 stops14h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$736
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/277:00 am
OPO
- ORD
1 stop13h 25m
Multiple Airlines
Wed 9/94:55 pm
ORD
- OPO
1 stop11h 15m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$770
This Mytrip deal was found by Cheapflights users on 7/5. 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.
Fri 8/2810:30 pm
LIS
- ORD
3 stops27h 23m
Multiple Airlines
Mon 8/317:25 pm
ORD
- LIS
2 stops17h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Sat 8/2910:55 pm
LIS
- ORD
1 stop23h 15m
Scandinavian Airlines
Fri 9/117:15 pm
ORD
- LIS
1 stop20h 50m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$588
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/3110:40 pm
OPO
- ORD
2 stops21h 35m
Multiple Airlines
Sun 9/135:10 pm
ORD
- OPO
2 stops22h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$647
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 July 8, 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 July 8, 2026.
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/126:10 am
LIS
- ORD
2 stops19h 38m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 9/110:25 pm
OPO
- ORD
3 stops46h 10m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/146:00 am
LIS
- ORD
3 stops38h 35m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/69:50 pm
FAO
- ORD
3 stops53h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/25:55 pm
OPO
- ORD
3 stops33h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 am
FAO
- ORD
3 stops41h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Wed 9/93:15 pm
OPO
- ORD
3 stops32h 35m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:55 am
LIS
- ORD
3 stops41h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Mon 10/261:15 pm
OPO
- ORD
3 stops34h 35m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/310:00 pm
OPO
- ORD
3 stops49h 50m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 9/229:30 pm
OPO
- ORD
2 stops29h 50m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 9/110:00 pm
LIS
- ORD
2 stops29h 20m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$399
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 July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $588 (Kiwi.com) |
One-way from | $356 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $730 |
Good one-way deal | $691 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 July 8, 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
Fri 11/6
4:55 pm-4:45 pm
1 stop29h 50m
Chicago O'Hare Intl
Thu 12/3
7:15 pm-4:05 pm
1 stop14h 50m
$632
FaroChicago
FAO - ORD
FAOORD
Faro
Wed 9/30
10:25 am-4:10 pm
2 stops35h 45m
Chicago O'Hare Intl
Sun 10/4
7:15 pm-9:40 am
1 stop32h 25m
$706
PortoChicago
OPO - ORD
OPOORD
Porto
Fri 8/21
10:00 pm-9:25 pm
3 stops29h 25m
Chicago O'Hare Intl
Sun 8/30
7:25 pm-8:00 am
3 stops30h 35m
$784
FaroChicago
FAO - ORD
FAOORD
Faro
Wed 9/9
6:10 pm-12:40 pm
1 stop24h 30m
Chicago O'Hare Intl
Wed 9/16
6:00 pm-5:20 pm
1 stop17h 20m
$807
Quickest round-trip
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Tue 10/6
10:25 am-4:34 pm
1 stop12h 09m
Chicago O'Hare Intl
Mon 10/19
2:37 pm-10:30 am
1 stop13h 53m
$815
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/31
8:20 am-2:25 pm
1 stop12h 05m
Chicago O'Hare Intl
Sun 9/13
9:15 pm-8:35 pm
1 stop17h 20m
$822
PortoChicago
OPO - ORD
OPOORD
Porto
Wed 9/30
11:50 am-4:10 pm
1 stop34h 20m
Chicago O'Hare Intl
Mon 10/12
7:15 pm-11:00 am
1 stop33h 45m
$844
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/31
5:00 am-2:30 pm
1 stop15h 30m
Chicago O'Hare Intl
Sun 9/13
3:05 pm-3:30 pm
2 stops18h 25m
$858
PortoChicago
OPO - ORD
OPOORD
Porto
Tue 9/29
7:00 pm-2:30 pm
1 stop25h 30m
Chicago O'Hare Intl
Mon 10/12
5:10 pm-3:25 pm
1 stop16h 15m
$859
PortoChicago
OPO - ORD
OPOORD
Porto
Wed 9/30
5:00 am-4:14 pm
2 stops17h 14m
Chicago O'Hare Intl
Mon 10/12
5:24 pm-3:25 pm
2 stops16h 01m
$864
Showing 1-10 of 47 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.
FAO-ORD
OPO-ORD
LIS-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
FAO-ORD
OPO-ORD
LIS-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 July 8, 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 22% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 129 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 22% 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 July 8, 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.
Overall
7.2
Boarding
7.0
Comfort
7.1
Entertainment
6.3
Crew
7.8
Food
6.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Overall
7.2
Boarding
7.0
Comfort
7.1
Entertainment
6.3
Crew
7.8
Food
6.2
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
Lake Geneva
Naperville
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
South Holland
Libertyville
Hoffman Estates
Downers Grove
Rockford
Racine
Great Lakes
Joliet
Orland Park
Northbrook
Waukegan
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Other flights to O'Hare Intl
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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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$748 | Average$1,205 | FlexibilityNo cancel fee | On-timeN/A |