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.

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.

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).

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.

What are the most popular airlines that fly from Chicago to Lisbon?

Before booking your flight from Chicago to Lisbon check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

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.

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

The least popular layover on flights from Chicago to Lisbon is Philadelphia.

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.

What is the cheapest day to fly round-trip from Chicago to Lisbon?

Travelers have found that booking a Tuesday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 3% by booking at least 9 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Lisbon within the next two weeks, with the cheapest ticket starting at $508.

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

February is one of the best times of the year to fly to Lisbon from Chicago. Prices for February average $744 per person but you can even find prices for as low as $463. The most expensive prices can be found in the month of June. Opting for a February flight can save you 25% on your journey compared to booking in June

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.

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.

$281+ Flights from Chicago to Lisbon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Chicago 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 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

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

Search Deals

One-way flight from Chicago (CHI) to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($153 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Chicago (CHI) to Lisbon Humberto Delgado.

Search Deals

Price to beat on a one-way flight from Chicago (CHI) to Lisbon Humberto Delgado.

Search Deals

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.

Wed 10/227:05 pmORD - LIS

1 stop13h 40mSWISS

Sat 11/156:00 pmLIS - ORD

2 stops28h 15mSWISS

Deal found 7/3

$604

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

Sun 10/52:05 pmORD - LIS

1 stop14h 40mDelta

Tue 10/145:40 amLIS - ORD

2 stops17h 56mDelta

Deal found 7/3

$608

Tue 11/49:30 amMDW - LIS

2 stops16h 30mDelta

Thu 11/1311:15 amLIS - MDW

2 stops16h 29mDelta

Deal found 7/2

$609

Sun 9/78:40 pmORD - LIS

1 stop20h 25mFinnair

Fri 9/196:35 amLIS - ORD

1 stop18h 15mFinnair

Deal found 7/1

$610

Mon 9/224:30 pmORD - LIS

1 stop24h 55mIberia

Wed 10/16:35 amLIS - ORD

2 stops18h 58mIberia

Deal found 7/3

$613

Wed 8/1310:15 pmORD - LIS

1 stop17h 05mIcelandair

Sun 8/2410:20 pmLIS - ORD

1 stop25h 55mIcelandair

Deal found 7/2

$616

Tue 9/231:00 pmORD - LIS

1 stop13h 00mKLM

Mon 9/293:35 pmLIS - ORD

1 stop28h 35mKLM

Deal found 7/2

$618

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

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

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

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

Best flights from Chicago to Lisbon
Discover carefully curated flight deals from Chicago to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sun 9/214:30 pmORD - LIS

1 stop13h 20mIberia

Wed 10/19:00 amLIS - ORD

2 stops16h 33mIberia

Deal found 7/3

$605

Mon 9/158:40 amORD - LIS

2 stops26h 30mMultiple Airlines

Mon 9/2210:10 pmLIS - ORD

2 stops27h 45mMultiple Airlines

Deal found 7/2

$606

Mon 9/2210:15 amORD - LIS

1 stop18h 30mDelta

Thu 10/25:40 amLIS - ORD

2 stops21h 43mDelta

Deal found 7/2

$608

Sun 9/78:40 pmORD - LIS

1 stop20h 25mFinnair

Fri 9/196:35 amLIS - ORD

1 stop18h 15mFinnair

Deal found 7/1

$610

Mon 8/185:15 pmORD - LIS

2 stops18h 40mBritish Airways

Fri 8/296:35 amLIS - ORD

1 stop13h 40mBritish Airways

Deal found 7/1

$612

Wed 8/1310:15 pmORD - LIS

1 stop17h 05mIcelandair

Sun 8/2410:20 pmLIS - ORD

1 stop25h 55mIcelandair

Deal found 7/2

$616

Tue 9/231:00 pmORD - LIS

1 stop13h 00mKLM

Mon 9/293:35 pmLIS - ORD

1 stop28h 35mKLM

Deal found 7/2

$618

Mon 9/159:15 pmORD - LIS

1 stop18h 20mAer Lingus

Sat 9/2711:25 amLIS - ORD

1 stop13h 35mAer Lingus

Deal found 7/3

$626

Sun 8/177:05 pmORD - LIS

1 stop22h 15mSWISS

Mon 8/252:30 pmLIS - ORD

2 stops31h 25mSWISS

Deal found 7/1

$637

Thu 7/246:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Fri 8/2212:45 pmLIS - ORD

Nonstop9h 25mTAP AIR PORTUGAL

Deal found 7/2

$638

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

Sat 8/3011:45 pmORD - LIS

1 stop28h 10mTurkish Airlines

Sun 9/144:30 pmLIS - ORD

1 stop35h 30mTurkish Airlines

Deal found 7/1

$646

Last-minute flights from Chicago to Lisbon
Discover last-minute flight deals from Chicago to Lisbon. Data last updated July 3, 2025 and is based on user searches.

Tue 7/810:40 amORD - LIS

2 stops27h 55mMultiple Airlines

Mon 7/149:00 pmLIS - ORD

2 stops29h 14mMultiple Airlines

Deal found 7/1

$937

Sat 7/127:45 pmORD - LIS

1 stop31h 20mBritish Airways

Thu 7/247:20 amLIS - ORD

1 stop15h 40mBritish Airways

Deal found 7/1

$679

Sat 7/125:53 pmMDW - LIS

2 stops18h 02mDelta

Thu 7/245:40 amLIS - MDW

2 stops19h 00mDelta

Deal found 7/3

$1,361

Sun 7/134:30 pmORD - LIS

1 stop13h 20mIberia

Mon 7/288:45 pmLIS - ORD

1 stop28h 05mIberia

Deal found 7/2

$630

Sun 7/137:15 pmORD - LIS

1 stop18h 10mScandinavian Airlines

Mon 7/218:15 pmLIS - ORD

1 stop28h 10mScandinavian Airlines

Deal found 7/1

$919

Sun 7/139:40 amMDW - LIS

2 stops14h 50mMultiple Airlines

Tue 7/228:15 amLIS - MDW

2 stops30h 30mMultiple Airlines

Deal found 7/1

$953

Sun 7/136:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Mon 7/286:55 amLIS - ORD

2 stops31h 00mTAP AIR PORTUGAL

Deal found 7/1

$961

Sun 7/133:38 pmORD - LIS

2 stops11h 27mAmerican Airlines

Tue 7/226:35 amLIS - ORD

1 stop13h 40mAmerican Airlines

Deal found 7/1

$1,004

Thu 7/246:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Fri 8/2212:45 pmLIS - ORD

Nonstop9h 25mTAP AIR PORTUGAL

Deal found 7/2

$638

Mon 8/111:08 pmMDW - LIS

2 stops16h 07mDelta

Fri 8/225:40 amLIS - MDW

2 stops18h 57mDelta

Deal found 7/2

$627

Wed 8/135:10 pmORD - LIS

1 stop15h 40mDelta

Thu 8/2112:45 pmLIS - ORD

1 stop15h 09mDelta

Deal found 6/30

$611

Wed 8/1310:15 pmORD - LIS

1 stop17h 05mIcelandair

Sun 8/2410:20 pmLIS - ORD

1 stop25h 55mIcelandair

Deal found 7/2

$616

One-way flights from Chicago to Lisbon
Search for one-way flight options from Chicago to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 8/76:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Deal found 7/2

$281

Tue 9/3010:27 amORD - LIS

3 stops29h 13mMultiple Airlines

Deal found 7/2

$282

Sun 9/78:40 pmORD - LIS

1 stop15h 15mAmerican Airlines

Deal found 7/2

$288

Tue 9/161:59 pmORD - LIS

2 stops18h 26mBritish Airways

Deal found 7/3

$294

Thu 9/119:15 pmORD - LIS

1 stop18h 20mAer Lingus

Deal found 7/2

$306

Mon 9/298:29 amMDW - LIS

2 stops29h 31mMultiple Airlines

Deal found 7/2

$312

Sat 9/610:15 pmORD - LIS

1 stop17h 05mIcelandair

Deal found 7/3

$356

Sat 11/89:30 amMDW - LIS

2 stops16h 30mDelta

Deal found 7/2

$475

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Lisbon that are best for you.

Fly from

Fly to

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

The best insider tips for Chicago to Lisbon flights

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.

LIS

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

Our travel experts

Ramsey Qubein

Expert on ORD and LIS

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?

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?

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?

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

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.

Delta

8.0

Very good

7,970 reviews

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

7,970 reviews

Delta

8.0

Very good

7,970 reviews

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

1,366 reviews

Delta

8.0

Very good

7,970 reviews

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

1,306 reviews

Delta

8.0

Very good

7,970 reviews

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 France

7.5

Good

1,473 reviews

Delta

8.0

Very good

7,970 reviews

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!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very good

7,970 reviews

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

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?
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 $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?
The least popular layover on flights from Chicago to Lisbon is Philadelphia.
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

Sintra

Oeiras

Beja

Nazaré

Ericeira

Costa da Caparica

Torres Vedras

Sesimbra

Colares

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Chicago to Lisbon

O'Hare Intl to Lisbon flights

Midway to Lisbon flights

O'Hare Intl to Porto flights

St. Louis to Lisbon flights

Midway to Porto flights

O'Hare Intl to Funchal flights

O'Hare Intl to Faro flights

O'Hare Intl to Ponta Delgada flights

St. Louis to Porto flights

Midway to Faro flights

Midway to Ponta Delgada flights

O'Hare Intl to Lajes flights

Bloomington to Lisbon flights

Springfield to Lisbon flights

Peoria to Lisbon flights

St. Louis to Lajes flights

Champaign to Lisbon flights

Other flights to Lisbon

Top 10 airlines flying from Chicago to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$444	Average$561	FlexibilityNo cancel fee	On-time76%
Finnair	Cheapest$463	Average$739	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$472	Average$755	FlexibilityNo cancel fee	On-time77%
TAP AIR PORTUGAL	Cheapest$489	Average$828	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$490	Average$702	FlexibilityNo cancel fee	On-time72%
American Airlines	Cheapest$511	Average$764	FlexibilityNo cancel fee	On-time71%
SWISS	Cheapest$517	Average$740	FlexibilityNo cancel fee	On-time79%
KLM	Cheapest$527	Average$652	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$529	Average$763	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$539	Average$768	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$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.

Find cheap flights from Chicago to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Chicago to Lisbon

Cheapest flights from Chicago to LisbonExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Lisbon that are best for you.

The best insider tips for Chicago to Lisbon flights

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Lisbon trip

Airports

ORD

LIS

Our travel experts

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.

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.

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

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.

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.

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.

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?

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

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

What are the cheapest flights from Chicago to Lisbon?

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?

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

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?

How can I find direct flights from Chicago to Lisbon?

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

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

Traveling to a place near Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Chicago to Lisbon

100% Free

Book with Flexibility

Travel Smart

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.