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Cheap flights from Chicago O'Hare Intl Airport to Lisbon from £254

ORD — LIS
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Lisbon

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Lisbon

Sun 6/1219:10 -
1 stop15h 10m
Thu 10/1217:55 -
1 stop28h 50m
Deal found 2/11£552
Wed 25/1118:30 -
1 stop12h 20m
Tue 1/1213:55 -
1 stop33h 25m
Deal found 31/10£554
Sat 28/1119:10 -
1 stop16h 50m
Wed 2/1216:55 -
1 stop29h 50m
Deal found 30/10£564
Mon 7/1213:55 -
1 stop14h 45m
Wed 13/105:00 -
1 stop16h 20m
Deal found 31/10£567
Tue 8/1215:00 -
1 stop13h 20m
Fri 15/105:00 -
1 stop16h 20m
Deal found 31/10£567
Mon 9/1120:15 -
1 stop32h 20m
Tue 17/1116:10 -
1 stop23h 50m
Deal found 2/11£568
Wed 9/1210:15 -
1 stop15h 45m
Tue 12/111:30 -
1 stop32h 55m
Deal found 31/10£569
Wed 9/1210:00 -
2 stops14h 55m
Wed 16/1205:00 -
1 stop14h 10m
Deal found 1/11£570
Sat 12/1221:21 -
1 stop29h 59m
Thu 14/105:00 -
1 stop14h 10m
Deal found 31/10£571
Tue 8/1211:35 -
2 stops17h 50m
Tue 12/111:30 -
1 stop32h 55m
Deal found 31/10£572
Mon 7/1205:30 -
2 stops20h 30m
Wed 13/111:30 -
1 stop32h 55m
Deal found 31/10£572
Wed 9/1207:05 -
1 stop17h 50m
Thu 17/1205:00 -
2 stops25h 01m
Deal found 3/11£574

Find flight deals from O'Hare Intl to Lisbon

Round-trip from

£509

One-way from

£254

Popular in

December

Cheapest in

February

Average price

£588
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/2-10/2
  • Nonstop
  • 17h 55m total
  • Chicago to Lisbon
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British Airways
  • British Airways
  • 22/2-31/12
  • 1 total stop
  • 18h 05m total
  • Chicago to Lisbon
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Lisbon that are best for you.

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Cheapest return flight

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Mon 22/2

21:50-21:55

1 stop18h 05m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Wed 28/4

22:00-17:55

1 stop13h 55m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£256

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Fri 26/2

05:55-08:10

2 stops20h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£294

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Thu 25/2

13:29-08:55

2 stops13h 26m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£294

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Fri 26/3

18:10-12:05

1 stop12h 55m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£370

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Fri 26/3

10:30-11:25

2 stops19h 55m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£373
Fastest return journey

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Wed 18/11

18:30-12:50

1 stop12h 20m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£376

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Fri 11/12

13:55-09:20

1 stop13h 25m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£456

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Thu 10/12

09:00-10:20

2 stops19h 20m

Lisbon Humberto Delgado

Wed 31/12

00:00-17:00

Nonstop0h 00m

£457

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Mon 15/3

15:45-10:10

1 stop13h 25m

Lisbon Humberto Delgado

Mon 22/3

11:50-17:15

1 stop34h 25m

£551

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 22 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Lisbon

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Lisbon?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Lisbon (average of £449). Flying from Chicago O'Hare Intl Airport to Lisbon in December is currently the most expensive (average of £860). 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?

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 much does it cost for a return flight from Chicago O'Hare Intl Airport to Lisbon?

Airfare is typical for this route at the moment.

Chicago O'Hare Intl Airport to Lisbon flights typically cost between £502 and £654 in February.
The cheapest return price found within the last 5 days was £509 on TAP AIR PORTUGAL (5 Feb–10 Feb).

Related info for your journey

  • What airport do you fly into for flights to Lisbon from Chicago O'Hare Intl?

    For a flight from Chicago O'Hare Intl to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 0 airlines have flights to Lisbon Humberto Delgado from Chicago O'Hare Intl on a regular basis.

  • How long is the flight from Chicago O'Hare Intl Airport to Lisbon?

    Departing from Chicago O'Hare Intl Airport to Lisbon will take you 19h 30m. The distance from Chicago O'Hare Intl Airport to Lisbon is about 3996 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Lisbon?

    Consider airBaltic (100%), JetBlue (76%) or TAP AIR PORTUGAL (76%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Lisbon.

  • Can I find deals for flights from O'Hare Intl to Lisbon that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Lisbon flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Lisbon.

  • Can I find deals for business class flights from O'Hare Intl to Lisbon?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Lisbon (average of £449). Flying from Chicago O'Hare Intl Airport to Lisbon in December is currently the most expensive (average of £860). 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.

See more FAQs

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