Lisbon

$281+ Cheap flights from Chicago (CHI) 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Jul 8 — Jul 151
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Cheapflights Tip: The best prices from Chicago to Lisbon Humberto Delgado are usually found in February or January, booked 8 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from Chicago to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 July 3, 2025.

Round-trip from

$605
(Iberia)

One-way from

$281
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$884

Good round-trip deal

$564 or less

Good one-way deal

$363 or less
From Chicago (CHI) to Lisbon Humberto Delgado
One-way flight from Chicago (CHI) to Lisbon Humberto Delgado
Highest demand for flights based on searches. 17% potential increase in price ($153 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Chicago (CHI) to Lisbon Humberto Delgado.
Price to beat on a one-way flight from Chicago (CHI) to Lisbon Humberto Delgado.

Find flight deals from Chicago to Lisbon

Cheapest flights from Chicago to Lisbon
Explore the most affordable flight options available from Chicago to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:05 pmORD - LIS
1 stop13h 40mSWISS
Sat 11/156:00 pmLIS - ORD
2 stops28h 15mSWISS
Deal found 7/3$604
This CheapOair deal was found by Cheapflights users on 7/2. 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 11/247:15 amORD - LIS
2 stops20h 05mMultiple Airlines
Sun 11/303:25 pmLIS - ORD
1 stop30h 50mMultiple Airlines
Deal found 7/2$605
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.
Sun 10/52:05 pmORD - LIS
1 stop14h 40mDelta
Tue 10/145:40 amLIS - ORD
2 stops17h 56mDelta
Deal found 7/3$608
This Delta deal was found by Cheapflights users on 7/2. 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 11/49:30 amMDW - LIS
2 stops16h 30mDelta
Thu 11/1311:15 amLIS - MDW
2 stops16h 29mDelta
Deal found 7/2$609
This Finnair deal was found by Cheapflights users on 7/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/78:40 pmORD - LIS
1 stop20h 25mFinnair
Fri 9/196:35 amLIS - ORD
1 stop18h 15mFinnair
Deal found 7/1$610
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:30 pmORD - LIS
1 stop24h 55mIberia
Wed 10/16:35 amLIS - ORD
2 stops18h 58mIberia
Deal found 7/3$613
This Icelandair deal was found by Cheapflights users on 7/2. 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.
Wed 8/1310:15 pmORD - LIS
1 stop17h 05mIcelandair
Sun 8/2410:20 pmLIS - ORD
1 stop25h 55mIcelandair
Deal found 7/2$616
This KLM deal was found by Cheapflights users on 7/2. 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 9/231:00 pmORD - LIS
1 stop13h 00mKLM
Mon 9/293:35 pmLIS - ORD
1 stop28h 35mKLM
Deal found 7/2$618
This Orbitz deal was found by Cheapflights users on 7/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:40 pmORD - LIS
1 stop13h 05mBritish Airways
Mon 9/228:45 pmLIS - ORD
1 stop23h 30mBritish Airways
Deal found 7/2$621
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:25 amORD - LIS
1 stop22h 05mTurkish Airlines
Fri 10/1011:00 amLIS - ORD
1 stop28h 40mTurkish Airlines
Deal found 7/3$625
This FlightHub deal was found by Cheapflights users on 7/1. 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 9/159:15 pmORD - LIS
1 stop18h 20mAer Lingus
Sat 9/2711:25 amLIS - ORD
1 stop13h 35mAer Lingus
Deal found 7/1$626
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:40 amORD - LIS
1 stop16h 40mAir Canada
Wed 9/1011:25 amLIS - ORD
1 stop14h 46mAir Canada
Deal found 7/3$640

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Chicago to Lisbon that are best for you.

Fly from

Chicago

Fly to

Lisbon

Route

Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 10/22

7:05 pm-2:45 pm

1 stop13h 40m

Lisbon Humberto Delgado

Sat 11/15

6:00 pm-4:15 pm

2 stops28h 15m

$604

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 11/24

7:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Sun 11/30

3:25 pm-4:15 pm

1 stop30h 50m

$605

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 10/5

2:05 pm-10:45 am

1 stop14h 40m

Lisbon Humberto Delgado

Tue 10/14

5:40 am-5:36 pm

2 stops17h 56m

$608

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 9/7

8:40 pm-11:05 pm

1 stop20h 25m

Lisbon Humberto Delgado

Fri 9/19

6:35 am-6:50 pm

1 stop18h 15m

$610

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 9/22

4:30 pm-11:25 pm

1 stop24h 55m

Lisbon Humberto Delgado

Wed 10/1

6:35 am-7:33 pm

2 stops18h 58m

$613

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 8/13

10:15 pm-9:20 pm

1 stop17h 05m

Lisbon Humberto Delgado

Sun 8/24

10:20 pm-6:15 pm

1 stop25h 55m

$616

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 9/23

1:00 pm-8:00 am

1 stop13h 00m

Lisbon Humberto Delgado

Mon 9/29

3:35 pm-2:10 pm

1 stop28h 35m

$618

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 9/15

5:40 pm-12:45 pm

1 stop13h 05m

Lisbon Humberto Delgado

Mon 9/22

8:45 pm-2:15 pm

1 stop23h 30m

$621

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 10/2

11:25 am-3:30 pm

1 stop22h 05m

Lisbon Humberto Delgado

Fri 10/10

11:00 am-9:40 am

1 stop28h 40m

$625

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 9/15

9:15 pm-9:35 pm

1 stop18h 20m

Lisbon Humberto Delgado

Sat 9/27

11:25 am-7:00 pm

1 stop13h 35m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 25 results
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The best insider tips for Chicago to Lisbon flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Lisbon trip
Airports
ORD

Prepare for long walks between terminals at ORD. Know your airline's terminal to avoid unnecessary travel.

Read more about ORDby Ramsey Qubein
LIS

From LIS, the metro line takes 20 minutes to reach downtown Lisbon, offering a convenient and cost-effective option.

Read more about LISby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD and LIS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Chicago to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Chicago with our price prediction graph.
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 to Lisbon

How far ahead should I book a flight from Chicago to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Lisbon. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Lisbon, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Chicago to Lisbon (average of $612). Flying from Chicago to Lisbon in June is currently the most expensive (average of $1,130). 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 CHI to LIS?

Find hourly flight availability from Chicago 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 July 3, 2025.

It’s typically best to fly out from Chicago to Lisbon in the afternoon. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Lisbon flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago to Lisbon?

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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and Finnair from Chicago to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Chicago to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Lisbon from Chicago?

    If you book a flight to Lisbon from Chicago, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Chicago to Humberto Delgado per day from 18 different airlines.

  • What are the cheapest airlines flying from Chicago to Lisbon round-trip?

    Flying on Iberia is currently your cheapest option to Lisbon, with prices starting at $605. Additional round-trip tickets that might be worth considering are offered by Delta and Finnair, with the lowest prices starting at $608 and $610, respectively. Iberia is priced at 18% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Lisbon one-way?

    $281 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on American Airlines and British Airways, with prices starting from $288 and $294, respectively.

  • What are the cheapest flights from Chicago to Lisbon?

    Looking for the cheapest flight from Chicago to Lisbon? While on average our users pay $1,604, our data indicates the cheapest price to be $237. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $461.

  • Where are the most common layover locations when flying from Chicago to Lisbon?

  • What are some popular things to do or see while on a layover in London?

    Hyde Park, Buckingham Palace, and Piccadilly Circus are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Buckingham Palace, and Piccadilly Circus can be visited by traveling about 12.5 mi, 13.7 mi, and 14.1 mi respectively from London Heathrow. Those landing in London looking to spend some time exploring during their layover can rent a car for about $40 per day.

  • What are some popular points of interest to see during a layover in Toronto?

    Union Station, CN Tower, and Hockey Hall of Fame are currently the most popular points of interest in Toronto at the moment. Union Station, CN Tower, and Hockey Hall of Fame are located about 12.1 mi, 11.9 mi, and 12.3 mi, respectively from Toronto Pearson Intl. Travelers in need of a car in Toronto can rent one for about $39 per day.

  • Where are the least popular layover locations for Chicago to Lisbon flights?

  • Can I find deals for flights from Chicago to Lisbon that include hotel bookings?

    Yes. In addition to deals on Chicago to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Lisbon?

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

  • Can I find deals for business class flights from Chicago to Lisbon?

    Yes. Cheapflights offers flight deals from Chicago 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 to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Lisbon (average of $612). Flying from Chicago to Lisbon in June is currently the most expensive (average of $1,130). 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Top 10 airlines flying from Chicago to Lisbon

Discover the top 10 airlines that operate flights from Chicago 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$444Average$561FlexibilityNo cancel feeOn-time76%
FinnairCheapest$463Average$739FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$472Average$755FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$489Average$828FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$490Average$702FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$511Average$764FlexibilityNo cancel feeOn-time71%
SWISSCheapest$517Average$740FlexibilityNo cancel feeOn-time79%
KLMCheapest$527Average$652FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$529Average$763FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$539Average$768FlexibilityNo cancel feeOn-time69%

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