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Lisbon

$370+ Cheap flights from Illinois 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Illinois to Lisbon

Keep the following information in mind while searching for Illinois to Lisbon flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$650
(CheapOair)

One-way from

$374
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$887

Good round-trip deal

$712 or less

Good one-way deal

$326 or less
Provider with most accurate pricing for Chicago (CHI)-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Lisbon Humberto Delgado flights.
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From Illinois to Lisbon Humberto Delgado
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One-way flight from Illinois to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 19% potential increase in price ($177 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Illinois to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Illinois to Lisbon Humberto Delgado.
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Find flight deals from Illinois to Lisbon

Cheapest flights from Illinois to Lisbon
Explore the most affordable flight options available from Illinois to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 11/256:45 amSTL - LIS
2 stops20h 35mUnited Airlines
Tue 12/211:00 amLIS - STL
2 stops31h 20mUnited Airlines
Deal found 4/30$569
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:15 pmSTL - LIS
2 stops35h 05mAir Canada
Tue 12/211:00 amLIS - STL
2 stops31h 20mAir Canada
Deal found 4/30$571
This Finnair deal was found by Cheapflights users on 4/30. 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.
Tue 11/252:49 pmSTL - LIS
1 stop12h 26mMultiple Airlines
Tue 12/23:50 pmLIS - STL
2 stops32h 25mMultiple Airlines
Deal found 4/30$585
This Lufthansa deal was found by Cheapflights users on 4/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/233:45 pmSTL - LIS
1 stop17h 20mLufthansa
Wed 12/35:00 amLIS - STL
1 stop14h 55mLufthansa
Deal found 4/30$609
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:29 pmSTL - LIS
2 stops17h 26mBritish Airways
Sat 11/156:40 pmLIS - STL
2 stops31h 36mBritish Airways
Deal found 4/30$684
This SWISS deal was found by Cheapflights users on 4/30. 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 5/147:05 pmORD - LIS
1 stop13h 40mSWISS
Mon 5/193:35 pmLIS - ORD
1 stop26h 35mSWISS
Deal found 4/30$695
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 7/151:01 pmORD - LIS
2 stops14h 19mAir Canada
Tue 7/2211:25 amLIS - ORD
2 stops14h 04mAir Canada
Deal found 4/30$696
This Delta deal was found by Cheapflights users on 4/29. 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 8/241:35 pmORD - LIS
2 stops15h 10mDelta
Mon 9/111:40 amLIS - ORD
1 stop32h 30mDelta
Deal found 4/29$697
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:59 pmMDW - LIS
2 stops17h 31mDelta
Sun 11/165:00 amLIS - MDW
2 stops19h 36mDelta
Deal found 5/1$697
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 7/910:00 amORD - LIS
2 stops17h 20mMultiple Airlines
Tue 7/155:55 amLIS - ORD
1 stop16h 00mMultiple Airlines
Deal found 4/30$699
This KLM deal was found by Cheapflights users on 4/30. 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.
Fri 10/32:10 pmORD - LIS
1 stop14h 50mKLM
Mon 10/137:30 pmLIS - ORD
1 stop24h 40mKLM
Deal found 4/30$701
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:10 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Thu 8/219:20 amLIS - ORD
Nonstop9h 15mTAP AIR PORTUGAL
Deal found 4/30$703

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 May 1, 2025.
Use the filters below to find and compare flights from Illinois to Lisbon that are best for you.

Fly from

Illinois

Fly to

Lisbon

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 10/18

4:05 pm-9:20 am

2 stops35h 15m

Lisbon Humberto Delgado

Sat 11/1

5:00 am-5:14 pm

2 stops17h 14m

$650

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 5/14

7:05 pm-2:45 pm

1 stop13h 40m

Lisbon Humberto Delgado

Mon 5/19

3:35 pm-12:10 pm

1 stop26h 35m

$695

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 7/15

1:01 pm-9:20 am

2 stops14h 19m

Lisbon Humberto Delgado

Tue 7/22

11:25 am-7:29 pm

2 stops14h 04m

$696

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 8/24

1:35 pm-10:45 am

2 stops15h 10m

Lisbon Humberto Delgado

Mon 9/1

11:40 am-2:10 pm

1 stop32h 30m

$697

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 10/18

9:15 am-11:05 am

1 stop19h 50m

Lisbon Humberto Delgado

Sat 11/1

11:55 am-11:27 am

2 stops28h 32m

$698

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 7/9

10:00 am-9:20 am

2 stops17h 20m

Lisbon Humberto Delgado

Tue 7/15

5:55 am-3:55 pm

1 stop16h 00m

$699

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 9/6

11:45 pm-11:35 pm

1 stop17h 50m

Lisbon Humberto Delgado

Sat 9/13

10:55 am-9:40 am

1 stop28h 45m

$700

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 10/3

2:10 pm-11:00 am

1 stop14h 50m

Lisbon Humberto Delgado

Mon 10/13

7:30 pm-2:10 pm

1 stop24h 40m

$701

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 8/11

6:10 pm-8:05 am

Nonstop7h 55m

Lisbon Humberto Delgado

Thu 8/21

9:20 am-12:35 pm

Nonstop9h 15m

$703

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

Wed 10/8

4:38 pm-2:05 pm

2 stops15h 27m

Lisbon Humberto Delgado

Wed 10/22

6:35 am-5:57 pm

2 stops17h 22m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 55 results
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Best time to book a flight from Illinois to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Illinois 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 Illinois to Lisbon

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $612). Flying from Illinois to Lisbon in June is currently the most expensive (average of $1,178). 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 IL to LIS?

Find hourly flight availability from Illinois 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Lisbon as you normally would.

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 May 1, 2025.
To help decide which airline to fly from Illinois to Lisbon, see what other customers have to say about Delta, Porter Airlines and KLM. 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
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    If you book a flight to Lisbon from Illinois, 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.

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

    The cheapest airlines for a one-way flight from Illinois to Lisbon are Aer Lingus ($415), TAP AIR PORTUGAL ($455), and Air Canada ($457).

  • What are the most popular routes from Illinois to Lisbon?

    While some choose either Chicago Midway - Lisbon Humberto Delgado or Lambert-St Louis - Lisbon Humberto Delgado, Chicago O'Hare Intl - Lisbon Humberto Delgado is the most popular route from Illinois to Lisbon.

  • What are the cheapest flights from Illinois to Lisbon?

    Looking at all options, your cheapest flight can be booked for $261. While the most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado) can be booked for $453 on average our data indicates $2,259 when flying from Illinois to Lisbon.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $612). Flying from Illinois to Lisbon in June is currently the most expensive (average of $1,178). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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Alternative routes for Illinois to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Lisbon

Discover the top 10 airlines that operate flights from Illinois 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$445Average$585FlexibilityNo cancel feeOn-time76%
FinnairCheapest$463Average$746FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$487Average$827FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$490Average$733FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$516Average$768FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$516Average$1,248FlexibilityNo cancel feeOn-time70%
KLMCheapest$527Average$655FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$529Average$784FlexibilityNo cancel feeOn-time77%
SWISSCheapest$531Average$901FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$535Average$909FlexibilityNo cancel feeOn-time69%

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