$464+ Cheap flights from O'Hare Intl (ORD) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Oct 16 — Oct 231
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 Sunday 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 September 16, 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 September 16, 2026.
This Gotogate deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:45 pm -
1 stop12h 55m
Sun 11/293:35 pm -
1 stop30h 40m
Deal found 9/12![Multiple Airlines logo]()
$704
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 pm -
1 stop18h 35m
Tue 10/1310:15 pm -
1 stop27h 00m
Deal found 9/12![Aer Lingus logo]()
$705
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:45 am -
1 stop18h 35m
Thu 10/225:55 am -
1 stop16h 00m
Deal found 9/12![Multiple Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 12/126:05 pm -
1 stop31h 55m
Sun 12/2711:15 am -
2 stops15h 31m
Deal found 9/10![Delta logo]()
$746
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Fri 12/253:55 pm -
2 stops24h 35m
Fri 1/87:05 am -
2 stops21h 26m
Deal found 9/11![British Airways logo]()
$747
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Tue 10/65:00 pm -
1 stop18h 55m
Wed 10/147:20 am -
1 stop14h 35m
Deal found 9/11![British Airways logo]()
$748
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/278:50 pm -
1 stop30h 30m
Thu 1/78:55 am -
2 stops15h 29m
Deal found 9/12![Air Canada logo]()
$749
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Sat 11/218:40 pm -
1 stop30h 40m
Mon 11/303:35 pm -
1 stop30h 40m
Deal found 9/11![Multiple Airlines logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/283:35 pm -
1 stop16h 05m
Mon 10/59:45 am -
1 stop32h 50m
Deal found 9/11![Multiple Airlines logo]()
$751
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:45 pm -
1 stop12h 55m
Thu 12/315:00 am -
2 stops20h 58m
Deal found 9/13![Air Canada logo]()
$752
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 September 16, 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 September 16, 2026.
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/297:05 pm -
1 stop14h 30m
Mon 10/55:10 pm -
1 stop28h 45m
Deal found 9/11![British Airways logo]()
$759
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
2 stops18h 55m
Sun 11/2912:20 pm -
1 stop30h 50m
Deal found 9/13![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:51 pm -
2 stops19h 04m
Sun 10/411:55 am -
1 stop32h 35m
Deal found 9/15![Delta logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:30 pm -
1 stop10h 50m
Sat 1/911:20 am -
1 stop12h 23m
Deal found 9/15![United Airlines logo]()
$817
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:29 pm -
2 stops15h 26m
Sun 10/255:00 am -
1 stop15h 25m
Deal found 9/12![Delta logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:30 pm -
1 stop10h 25m
Sat 1/911:20 am -
1 stop12h 23m
Deal found 9/15![United Airlines logo]()
$817
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:29 pm -
2 stops15h 26m
Fri 10/305:30 am -
2 stops20h 00m
Deal found 9/15![Delta logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:45 pm -
1 stop11h 35m
Fri 11/2710:15 am -
1 stop19h 46m
Deal found 9/13![United Airlines logo]()
$898
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/210:25 am -
2 stops16h 25m
Sat 10/105:35 am -
1 stop15h 35m
Deal found 9/11![Delta logo]()
$986
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:24 am -
2 stops18h 31m
Sun 10/255:00 am -
1 stop15h 25m
Deal found 9/14![Delta logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/291:00 pm -
2 stops13h 10m
Mon 1/411:20 am -
2 stops18h 19m
Deal found 9/13![United Airlines logo]()
$1,061
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 pm -
2 stops14h 55m
Sat 10/105:35 am -
1 stop15h 35m
Deal found 9/12![Delta logo]()
$1,045
Last-minute flights from O'Hare Intl to LisbonDiscover last-minute flight deals from O'Hare Intl to Lisbon. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Lisbon. Data last updated September 16, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:00 pm -
1 stop18h 35m
Wed 9/3010:15 pm -
1 stop21h 45m
Deal found 9/11![Aer Lingus logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/283:35 pm -
1 stop16h 05m
Mon 10/59:45 am -
1 stop32h 50m
Deal found 9/11![Multiple Airlines logo]()
$751
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 pm -
1 stop18h 35m
Tue 10/1310:15 pm -
1 stop27h 00m
Deal found 9/12![Aer Lingus logo]()
$705
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:10 pm -
1 stop15h 45m
Wed 11/411:15 am -
2 stops15h 28m
Deal found 9/14![Delta logo]()
$755
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Tue 10/65:00 pm -
1 stop18h 55m
Wed 10/147:20 am -
1 stop14h 35m
Deal found 9/11![British Airways logo]()
$748
This Justfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:00 pm -
1 stop18h 35m
Tue 10/1310:15 pm -
1 stop27h 00m
Deal found 9/13![Aer Lingus logo]()
$749
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:45 am -
1 stop18h 35m
Thu 10/225:55 am -
1 stop16h 00m
Deal found 9/12![Multiple Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:29 pm -
2 stops18h 21m
Thu 10/225:35 am -
2 stops18h 54m
Deal found 9/14![Delta logo]()
$756
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:50 pm -
1 stop12h 10m
Sat 10/315:30 am -
2 stops20h 16m
Deal found 9/11![Delta logo]()
$747
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/233:05 pm -
2 stops17h 30m
Fri 10/3010:55 am -
1 stop12h 25m
Deal found 9/11![Delta logo]()
$757
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 September 16, 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 September 16, 2026.
This Justfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:40 pm -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:45 pm -
3 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$466
This Justfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:40 pm -
1 stop31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:25 pm -
3 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$469
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 pm -
2 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![British Airways logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:45 pm -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/243:50 pm -
2 stops47h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$481
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:55 am -
3 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$482
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 September 16, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $704 (Gotogate) |
One-way from | $464 (Justfly.com) |
Popular in | June |
Cheapest in | January |
Average price | $919 |
Good round-trip deal | $727 or less |
Good one-way deal | $476 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 September 16, 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
Sat 2/6
9:50 pm-11:25 pm
3 stops19h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$500
Quickest round-trip
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sun 2/7
8:10 pm-10:15 am
Nonstop8h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$561
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sun 11/22
8:10 pm-10:15 am
Nonstop8h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$561
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sun 10/11
6:00 pm-8:10 am
Nonstop8h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$584
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sun 10/4
6:00 pm-8:10 am
Nonstop8h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$597
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Sat 10/17
6:05 pm-8:15 am
Nonstop8h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$605
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Wed 10/7
10:30 am-8:50 am
2 stops16h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$674
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Fri 10/2
5:10 pm-5:50 pm
2 stops18h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$734
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Thu 12/17
4:25 pm-10:30 am
1 stop12h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$737
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Tue 9/29
7:05 pm-3:35 pm
1 stop14h 30m
Lisbon Humberto Delgado
Mon 10/5
5:10 pm-3:55 pm
1 stop28h 45m
$759
Showing 1-10 of 22 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 September.
| 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 Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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
More
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 $588). Flying from Chicago O'Hare Intl Airport to Lisbon in June is currently the most expensive (average of $1,098). 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 September 16, 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 28% of weekly flights between Chicago and Lisbon have experienced delays in the past year, with the average delay time being 132 minutes.
What is the most punctual flight time for Chicago to Lisbon flights?
Historically, flights departing in the early afternoon 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 28% 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.
Philadelphia (PHL) – chosen by Cheapflights users on 33% 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 Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 9h 36m.
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 Philadelphia (PHL) offer the fastest connection on this route, with an average layover time of 1h 15m.
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 September 16, 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.
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Food
6.7
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
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
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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 September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$373 | Average$470 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$456 | Average$628 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$605 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$836 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$797 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$760 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$707 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$775 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$497 | Average$904 | FlexibilityNo cancel fee | On-timeN/A |