$322+ Cheap flights from O'Hare Intl (ORD) to Lisbon (LIS)
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Lisbon 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Lisbon Humberto Delgado are usually found in January or February, booked 76 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from O'Hare Intl to Lisbon
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to LisbonExplore the most affordable flight options available from O'Hare Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from O'Hare Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 9/307:25 pm -
1 stop12h 25m
Tue 10/1310:15 pm -
1 stop21h 45m
Deal found 8/21![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/117:25 pm -
2 stops19h 25m
Sat 10/316:10 am -
1 stop18h 15m
Deal found 8/21![Multiple Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:30 am -
2 stops19h 30m
Thu 11/125:00 am -
1 stop15h 25m
Deal found 8/17![Delta logo]()
$730
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:53 am -
2 stops17h 07m
Wed 12/911:30 am -
1 stop32h 55m
Deal found 8/19![Delta logo]()
$731
This Air Canada deal was found by Cheapflights users on 8/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 am -
1 stop21h 35m
Wed 11/185:00 am -
2 stops17h 44m
Deal found 8/22![Air Canada logo]()
$732
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:50 pm -
2 stops13h 05m
Tue 11/33:35 pm -
1 stop30h 40m
Deal found 8/18![Multiple Airlines logo]()
$733
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sat 10/36:05 pm -
Nonstop8h 10m
Thu 10/159:20 am -
Nonstop9h 20m
Deal found 8/19![TAP AIR PORTUGAL logo]()
$734
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:57 am -
2 stops17h 23m
Wed 11/45:00 am -
2 stops17h 44m
Deal found 8/17![Multiple Airlines logo]()
$735
This Air Canada deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:57 am -
2 stops15h 58m
Wed 11/115:00 am -
2 stops16h 38m
Deal found 8/19![Air Canada logo]()
$736
This Air Canada deal was found by Cheapflights users on 8/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:30 pm -
1 stop10h 50m
Thu 11/195:00 am -
2 stops20h 05m
Deal found 8/22![Air Canada logo]()
$737
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:25 am -
2 stops17h 30m
Thu 11/128:55 am -
2 stops17h 26m
Deal found 8/17![Air Canada logo]()
$738
This Air Canada deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:45 am -
2 stops16h 10m
Wed 11/255:00 am -
2 stops17h 44m
Deal found 8/19![Multiple Airlines logo]()
$739
Best flights from O'Hare Intl to LisbonDiscover carefully curated flight deals from O'Hare Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from O'Hare Intl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:40 pm -
1 stop32h 25m
Wed 10/215:05 am -
1 stop15h 50m
Deal found 8/19![United Airlines logo]()
$758
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:55 pm -
2 stops15h 30m
Tue 12/15:30 am -
2 stops16h 54m
Deal found 8/19![Delta logo]()
$777
This British Airways deal was found by Cheapflights users on 8/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:29 pm -
1 stop11h 36m
Mon 10/196:45 pm -
1 stop25h 05m
Deal found 8/19![British Airways logo]()
$840
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:55 pm -
2 stops20h 15m
Thu 11/511:30 am -
2 stops18h 27m
Deal found 8/17![Delta logo]()
$790
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2310:00 am -
2 stops16h 55m
Sat 1/3011:20 am -
2 stops30h 23m
Deal found 8/21![United Airlines logo]()
$845
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 1/131:30 pm -
2 stops15h 50m
Sun 1/175:00 am -
2 stops19h 10m
Deal found 8/21![Delta logo]()
$795
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:50 pm -
1 stop19h 55m
Wed 10/75:00 am -
2 stops18h 20m
Deal found 8/17![Delta logo]()
$800
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:29 am -
2 stops18h 46m
Mon 10/55:00 am -
1 stop15h 30m
Deal found 8/19![Delta logo]()
$850
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:50 pm -
1 stop15h 45m
Sun 10/115:35 am -
1 stop15h 35m
Deal found 8/18![Delta logo]()
$857
This Delta deal was found by Cheapflights users on 8/21. 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.
Mon 9/215:10 pm -
1 stop12h 05m
Sat 10/35:35 am -
2 stops20h 24m
Deal found 8/21![Delta logo]()
$863
Last-minute flights from O'Hare Intl to LisbonDiscover last-minute flight deals from O'Hare Intl to Lisbon. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Lisbon. Data last updated August 22, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:15 pm -
1 stop18h 10m
Wed 9/238:15 pm -
1 stop25h 55m
Deal found 8/21![Scandinavian Airlines logo]()
$734
This Scandinavian Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 9/87:15 pm -
1 stop18h 10m
Thu 10/294:55 pm -
1 stop29h 50m
Deal found 8/21![Scandinavian Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/117:25 pm -
2 stops19h 25m
Sat 10/316:10 am -
1 stop18h 15m
Deal found 8/21![Multiple Airlines logo]()
$729
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/137:25 pm -
2 stops19h 40m
Sat 9/199:15 pm -
1 stop22h 45m
Deal found 8/21![Multiple Airlines logo]()
$748
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/137:25 pm -
2 stops19h 40m
Sun 9/205:55 am -
1 stop14h 05m
Deal found 8/21![Multiple Airlines logo]()
$753
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/193:45 pm -
1 stop12h 30m
Tue 9/2910:15 pm -
1 stop21h 45m
Deal found 8/21![Aer Lingus logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/266:05 pm -
Nonstop8h 10m
Thu 10/89:20 am -
Nonstop9h 20m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/287:25 pm -
2 stops21h 35m
Thu 10/19:25 am -
1 stop15h 50m
Deal found 8/21![Multiple Airlines logo]()
$741
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Mon 9/287:25 pm -
3 stops31h 05m
Wed 10/76:25 am -
2 stops21h 00m
Deal found 8/22![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Tue 9/297:05 pm -
1 stop13h 40m
Tue 10/1310:15 pm -
1 stop21h 45m
Deal found 8/21![Multiple Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 9/307:25 pm -
1 stop12h 25m
Tue 10/1310:15 pm -
1 stop21h 45m
Deal found 8/21![Multiple Airlines logo]()
$728
One-way flights from O'Hare Intl to LisbonSearch for one-way flight options from O'Hare Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from O'Hare Intl to Lisbon. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 9/2811:15 am -
2 stops27h 55m
Deal found 8/19![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 10/1110:25 pm -
2 stops42h 35m
Deal found 8/21![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Tue 10/277:30 pm -
3 stops21h 00m
Deal found 8/21![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sun 10/187:25 pm -
2 stops19h 40m
Deal found 8/22![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/2510:25 pm -
2 stops43h 05m
Deal found 8/21![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 11/136:30 pm -
2 stops20h 50m
Deal found 8/21![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 10/198:11 pm -
2 stops41h 19m
Deal found 8/19![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:25 pm -
3 stops41h 30m
Deal found 8/18![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Fri 10/1610:25 pm -
2 stops43h 05m
Deal found 8/20![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Thu 11/126:30 pm -
2 stops21h 40m
Deal found 8/21![Multiple Airlines logo]()
$344
Find flight deals from O'Hare Intl to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 22, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $728 (Kiwi.com) |
One-way from | $322 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $914 |
Good round-trip deal | $668 or less |
Good one-way deal | $522 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Lisbon 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 August 22, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Mon 10/12
8:40 pm-11:05 am
1 stop32h 25m
Lisbon Humberto Delgado
Wed 10/21
5:05 am-2:55 pm
1 stop15h 50m
$758
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Tue 11/17
1:55 pm-11:25 am
2 stops15h 30m
Lisbon Humberto Delgado
Tue 12/1
5:30 am-4:24 pm
2 stops16h 54m
$777
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Fri 10/30
1:55 pm-3:10 pm
2 stops20h 15m
Lisbon Humberto Delgado
Thu 11/5
11:30 am-11:57 pm
2 stops18h 27m
$790
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 1/13
1:30 pm-11:20 am
2 stops15h 50m
Lisbon Humberto Delgado
Sun 1/17
5:00 am-6:10 pm
2 stops19h 10m
$795
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 9/23
4:50 pm-6:45 pm
1 stop19h 55m
Lisbon Humberto Delgado
Wed 10/7
5:00 am-5:20 pm
2 stops18h 20m
$800
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Tue 10/6
3:29 pm-9:05 am
1 stop11h 36m
Lisbon Humberto Delgado
Mon 10/19
6:45 pm-1:50 pm
1 stop25h 05m
$840
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sat 1/23
10:00 am-8:55 am
2 stops16h 55m
Lisbon Humberto Delgado
Sat 1/30
11:20 am-11:43 am
2 stops30h 23m
$845
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Tue 9/29
10:29 am-11:15 am
2 stops18h 46m
Lisbon Humberto Delgado
Mon 10/5
5:00 am-2:30 pm
1 stop15h 30m
$850
Quickest round-trip
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 9/30
4:50 pm-2:35 pm
1 stop15h 45m
Lisbon Humberto Delgado
Sun 10/11
5:35 am-3:10 pm
1 stop15h 35m
$857
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Mon 9/21
5:10 pm-11:15 am
1 stop12h 05m
Lisbon Humberto Delgado
Sat 10/3
5:35 am-7:59 pm
2 stops20h 24m
$863
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Lisbon in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Lisbon flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago O'Hare Intl Airport-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Lisbon flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from O'Hare Intl with our price prediction graph.
ORD-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Lisbon
Prices
Delays
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How far ahead should I book a flight from Chicago O'Hare Intl Airport to Lisbon?
The best time to book flights from Chicago O'Hare Intl Airport to Lisbon is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Lisbon (average of $572). Flying from Chicago O'Hare Intl Airport to Lisbon in June is currently the most expensive (average of $1,095). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to LIS?
Find hourly flight availability from O'Hare Intl to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 22, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Lisbon as you normally would.
How often are flights from Chicago to Lisbon delayed?
About 33% of weekly flights between Chicago and Lisbon have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Chicago to Lisbon flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Lisbon flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 33% of flights being delayed.
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Lisbon?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Lisbon chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago O'Hare Intl Airport to Lisbon on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Lisbon?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Lisbon, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $397.
What’s the fastest layover option from Chicago O'Hare Intl Airport to Lisbon?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Lisbon, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 11h 30m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Lisbon?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Lisbon, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 17m.
The best insider tips for Chicago O'Hare Intl Airport to Lisbon flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Lisbon trip
Our travel experts
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated August 22, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andTAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Lisbon. 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 Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
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Colares
Sesimbra
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Top 10 airlines flying from O'Hare Intl to Lisbon
Discover the top 10 airlines that operate flights from O'Hare Intl to Lisbon. 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$369 | Average$587 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$373 | Average$470 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$836 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$739 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$719 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$707 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$495 | Average$906 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$781 | FlexibilityNo cancel fee | On-time77% |