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$234+ Cheap flights from Chicago (CHI) to Lagos, Portugal

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FAO
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Chicago to Lagos

Keep the following information in mind while searching for Chicago to Lagos flight deals. Data was last updated August 13, 2025.

Round-trip from

$556
(SmartFares)

One-way from

$234
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$966
From Chicago (CHI) to Lagos
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One-way flight from Chicago (CHI) to Lagos
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High demand for flights, 13% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Chicago to Lagos

Cheapest flights from Chicago to Lagos
Explore the most affordable flight options available from Chicago to Lagos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmORD - FAO
1 stop13h 05mScandinavian Airlines
Sun 10/2610:30 amFAO - ORD
2 stops36h 25mScandinavian Airlines
Deal found 8/13$556
This oojo deal was found by Cheapflights users on 8/13. 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.
Fri 11/217:20 pmORD - FAO
1 stop15h 00mScandinavian Airlines
Sun 11/3010:30 amFAO - ORD
2 stops36h 15mScandinavian Airlines
Deal found 8/13$625
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/252:00 pmORD - FAO
2 stops21h 40mMultiple Airlines
Thu 10/26:10 pmFAO - ORD
3 stops32h 01mMultiple Airlines
Deal found 8/11$626
This Expedia deal was found by Cheapflights users on 8/13. 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.
Tue 9/23:45 pmORD - FAO
1 stop12h 45mAer Lingus
Thu 9/1111:45 amFAO - ORD
1 stop13h 15mAer Lingus
Deal found 8/13$634
This oojo deal was found by Cheapflights users on 8/13. 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 10/67:15 pmORD - FAO
1 stop13h 05mScandinavian Airlines
Wed 10/159:40 amFAO - ORD
1 stop36h 30mScandinavian Airlines
Deal found 8/13$650
This Orbitz deal was found by Cheapflights users on 8/13. 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 11/174:45 pmORD - FAO
2 stops19h 15mBritish Airways
Mon 11/247:05 pmFAO - ORD
1 stop27h 55mBritish Airways
Deal found 8/13$676
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:15 pmORD - FAO
2 stops32h 15mScandinavian Airlines
Sat 10/116:45 pmFAO - ORD
1 stop27h 25mScandinavian Airlines
Deal found 8/11$712
This KLM deal was found by Cheapflights users on 8/13. 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.
Mon 11/175:25 pmMDW - FAO
2 stops19h 30mKLM
Mon 11/247:15 pmFAO - MDW
2 stops27h 08mKLM
Deal found 8/13$847
This KLM deal was found by Cheapflights users on 8/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:00 pmMDW - FAO
2 stops23h 15mKLM
Sun 12/77:55 pmFAO - MDW
2 stops28h 12mKLM
Deal found 8/10$920
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:40 amMDW - FAO
3 stops32h 10mMultiple Airlines
Wed 8/279:55 pmFAO - MDW
3 stops41h 55mMultiple Airlines
Deal found 8/11$1,665
This Air France deal was found by Cheapflights users on 8/13. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:08 pmMDW - FAO
2 stops22h 32mAir France
Fri 8/296:40 pmFAO - MDW
2 stops32h 32mAir France
Deal found 8/13$1,702
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:17 pmMDW - FAO
2 stops19h 13mKLM
Mon 8/258:10 amFAO - MDW
2 stops19h 34mKLM
Deal found 8/12$2,017

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Lagos 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 August 13, 2025.
Use the filters below to find and compare flights from Chicago to Lagos that are best for you.

Fly from

Chicago

Fly to

Lagos

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 10/20

7:15 pm-2:20 pm

1 stop13h 05m

Faro

Sun 10/26

10:30 am-5:55 pm

2 stops36h 25m

$556

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 9/25

2:00 pm-5:40 pm

2 stops21h 40m

Faro

Thu 10/2

6:10 pm-8:11 pm

3 stops32h 01m

$626

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Tue 9/2

3:45 pm-10:30 am

1 stop12h 45m

Faro

Thu 9/11

11:45 am-7:00 pm

1 stop13h 15m

$634

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 10/6

7:15 pm-2:20 pm

1 stop13h 05m

Faro

Wed 10/15

9:40 am-4:10 pm

1 stop36h 30m

$650

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Sun 8/24

9:40 am-11:50 pm

3 stops32h 10m

Faro

Wed 8/27

9:55 pm-9:50 am

3 stops41h 55m

$1,665

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Tue 8/26

1:08 pm-5:40 pm

2 stops22h 32m

Faro

Fri 8/29

6:40 pm-9:12 pm

2 stops32h 32m

$1,702

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Wed 8/20

6:17 pm-7:30 pm

2 stops19h 13m

Faro

Mon 8/25

8:10 am-9:44 pm

2 stops19h 34m

$2,017

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Sun 8/24

1:43 pm-7:10 pm

2 stops23h 27m

Faro

Wed 8/27

9:55 pm-5:37 pm

2 stops25h 42m

$2,048

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 10/8

11:13 am-6:40 pm

2 stops25h 27m

$234

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 10/5

12:05 pm-10:50 am

2 stops40h 45m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Chicago to Lagos

Have a flexible travel schedule? Discover the best time to fly to Lagos 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 Lagos

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Lagos (average of $628). Flying from Chicago to Lagos in June is currently the most expensive (average of $1,329). 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 LA9?

Find hourly flight availability from Chicago to Lagos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Chicago to Lagos, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Lagos

Get insights into the airlines that provide service to Lagos. 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 Lagos. Reviews last updated August 13, 2025.
See what other customers who have flown with Aer Lingus, TAP AIR PORTUGAL, and British Airways from Chicago to Lagos have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,212 reviews

Comfort

7.1

Food

6.4

Boarding

7.3

Overall

7.1

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.1
Good
1,212 reviews
Aer Lingus
7.1
Good
1,212 reviews

Comfort

7.1

Food

6.4

Boarding

7.3

Overall

7.1

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
TAP AIR PORTUGAL
7.1
Good
1,945 reviews
Aer Lingus
7.1
Good
1,212 reviews

Comfort

7.1

Food

6.4

Boarding

7.3

Overall

7.1

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.7
Okay
7,265 reviews
Aer Lingus
7.1
Good
1,212 reviews

Comfort

7.1

Food

6.4

Boarding

7.3

Overall

7.1

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Lagos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Lagos 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 Lagos?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Lagos (average of $628). Flying from Chicago to Lagos in June is currently the most expensive (average of $1,329). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Chicago to Lagos

Discover the top 3 airlines that operate flights from Chicago to Lagos. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$736FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$543Average$1,187FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$828FlexibilityNo cancel feeOn-time69%

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