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$315+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$682
(United Airlines)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$925

Good round-trip deal

$607 or less

Good one-way deal

$348 or less
From Chicago (CHI) to Lisbon Humberto Delgado
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One-way flight from Chicago (CHI) to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 17% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Chicago (CHI) to Lisbon Humberto Delgado.
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/129:31 pmORD - LIS
1 stop30h 59mUnited Airlines
Mon 7/216:15 amLIS - ORD
1 stop36h 15mUnited Airlines
Deal found 6/12$680
This Delta deal was found by Cheapflights users on 6/10. 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 9/66:20 pmORD - LIS
2 stops17h 35mDelta
Wed 9/179:50 amLIS - ORD
2 stops17h 41mDelta
Deal found 6/10$682
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 8/251:08 pmMDW - LIS
2 stops16h 07mDelta
Tue 9/25:40 amLIS - MDW
2 stops18h 57mDelta
Deal found 6/10$682
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/210:30 pmORD - LIS
1 stop18h 40mBritish Airways
Wed 7/164:25 pmLIS - ORD
1 stop29h 30mBritish Airways
Deal found 6/11$683
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/46:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Mon 9/81:25 pmLIS - ORD
Nonstop9h 15mTAP AIR PORTUGAL
Deal found 6/11$684
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Thu 9/2510:40 amORD - LIS
1 stop16h 40mAir Canada
Tue 9/306:45 amLIS - ORD
2 stops21h 22mAir Canada
Deal found 6/12$685
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Mon 10/2010:30 pmORD - LIS
2 stops17h 20mLufthansa
Sun 11/25:00 amLIS - ORD
2 stops19h 25mLufthansa
Deal found 6/11$687
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:25 amORD - LIS
1 stop16h 30mTurkish Airlines
Tue 9/304:45 pmLIS - ORD
1 stop22h 55mTurkish Airlines
Deal found 6/11$688
This Icelandair deal was found by Cheapflights users on 6/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:25 pmORD - LIS
1 stop19h 55mIcelandair
Sun 9/2110:25 pmLIS - ORD
1 stop25h 50mIcelandair
Deal found 6/11$694
This CheapOair deal was found by Cheapflights users on 6/12. 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.
Sat 8/308:25 pmORD - LIS
1 stop32h 40mMultiple Airlines
Mon 9/85:05 amLIS - ORD
1 stop20h 50mMultiple Airlines
Deal found 6/12$698
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:15 pmORD - LIS
2 stops24h 50mIberia
Mon 9/84:45 pmLIS - ORD
1 stop27h 30mIberia
Deal found 6/11$699
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:35 pmORD - LIS
1 stop18h 35mFinnair
Sat 9/276:35 amLIS - ORD
1 stop13h 40mFinnair
Deal found 6/10$700

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 June 12, 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

Mon 7/7

10:30 pm-10:05 pm

1 stop17h 35m

Lisbon Humberto Delgado

Wed 7/16

6:15 am-6:15 pm

1 stop18h 00m

$680

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 9/6

6:20 pm-5:55 pm

2 stops17h 35m

Lisbon Humberto Delgado

Wed 9/17

9:50 am-9:31 pm

2 stops17h 41m

$682

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Mon 8/25

1:08 pm-11:15 am

2 stops16h 07m

Lisbon Humberto Delgado

Tue 9/2

5:40 am-6:37 pm

2 stops18h 57m

$682

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 7/2

10:30 pm-11:10 pm

1 stop18h 40m

Lisbon Humberto Delgado

Wed 7/16

4:25 pm-3:55 pm

1 stop29h 30m

$683

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 9/4

6:00 pm-8:00 am

Nonstop8h 00m

Lisbon Humberto Delgado

Mon 9/8

1:25 pm-4:40 pm

Nonstop9h 15m

$684

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 10/2

10:40 am-9:20 am

1 stop16h 40m

Lisbon Humberto Delgado

Wed 10/8

6:45 am-7:29 pm

2 stops18h 44m

$685

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 9/24

11:25 am-9:55 am

1 stop16h 30m

Lisbon Humberto Delgado

Fri 10/3

11:00 am-9:40 am

1 stop28h 40m

$688

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 7/2

7:25 pm-9:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Thu 7/17

10:20 pm-9:15 pm

1 stop28h 55m

$689

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 8/30

8:25 pm-9:20 am

2 stops30h 55m

Lisbon Humberto Delgado

Mon 9/8

5:05 am-7:55 pm

1 stop20h 50m

$698

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 9/3

1:15 pm-8:05 pm

2 stops24h 50m

Lisbon Humberto Delgado

Mon 9/8

4:45 pm-2:15 pm

1 stop27h 30m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 31 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 9, 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 $1,136). 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 June 12, 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.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
To help decide which airline to fly from Chicago to Lisbon, see what other customers have to say about Delta, Porter Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 United Airlines is currently your cheapest option to Lisbon, with prices starting at $682. Additional round-trip tickets that might be worth considering are offered by Delta and British Airways, with the lowest prices starting at $682 and $683, respectively. United Airlines is priced at 8% 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?

    $316 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and United Airlines, with prices starting from $320 and $460, 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 $1,690, our data indicates the cheapest price to be $247. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $469.

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

    The most popular layover on flights from Chicago to Lisbon is London. Toronto sees the second most layovers for non-direct flights 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 $44 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 $34 per day.

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

    The least popular layover on flights from Chicago to Lisbon is Dublin. Dublin is followed by Philadelphia in terms of the least popular layover location on flights from Chicago to Lisbon.

  • 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 $1,136). 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?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$444Average$561FlexibilityNo cancel feeOn-time76%
FinnairCheapest$463Average$739FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$472Average$767FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$490Average$702FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$493Average$838FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$515Average$772FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$517Average$773FlexibilityNo cancel feeOn-time70%
SWISSCheapest$517Average$740FlexibilityNo cancel feeOn-time79%
KLMCheapest$527Average$652FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$538Average$781FlexibilityNo cancel feeOn-time69%

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