Which layover airport offers the lowest fares from Chicago to Lisbon?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $391.

How often are flights from Chicago to Lisbon delayed?

Historically, on average around 42% of flights between Chicago and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Which layover airport has the shortest travel time from Chicago to Lisbon?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 55m.

What airlines fly to Lisbon?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Chicago according to our data. TAP AIR PORTUGAL is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 17 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on Chicago to Lisbon flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 42% of their flights experiencing any sort of delay.

What is the most punctual flight time for Chicago to Lisbon flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest connection time from Chicago to Lisbon?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 29m.

What is the cheapest airline that flies from Chicago to Lisbon Humberto Delgado?

Scandinavian Airlines and Icelandair are the most popular carriers operating from Chicago to Lisbon Humberto Delgado

Which airport is the most popular layover for flights between Chicago and Lisbon?

Toronto (YYZ) was the most common stop: 19% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Chicago to Lisbon Humberto Delgado Airport?

Prices for flights from Chicago to Lisbon Humberto Delgado Airport refresh daily.

How many operators does momondo search for flights from Chicago to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Chicago to Lisbon Humberto Delgado Airport is 17 as of November 2025.

How old do you have to be to fly from Chicago to Lisbon Humberto Delgado Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$229 Cheap Flights from Chicago to Lisbon in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to Lisbon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 pm - 9:20 amORD-LIS

57h 15m2 stops

11:20 am - 9:13 amLIS-ORD

27h 53m2 stops

$504Air Canada

Find Deal

Fri, Dec 5 - Tue, Dec 16

10:24 am - 9:30 pmORD-LIS

29h 06m2 stops

7:05 am - 8:53 pmLIS-ORD

19h 48m2 stops

$505Multiple Airlines

Find Deal

Sat, Jan 17 - Sat, Feb 7

1:23 pm - 8:40 amORD-LIS

13h 17m1 stop

11:15 am - 9:40 pmLIS-ORD

16h 25m1 stop

$506Delta

Find Deal

Wed, Dec 10 - Tue, Dec 23

10:49 am - 8:00 amMDW-LIS

15h 11m2 stops

5:30 am - 5:19 pmLIS-MDW

17h 49m2 stops

$506Delta

Find Deal

Mon, Dec 8 - Thu, Dec 25

10:11 am - 8:55 amORD-LIS

40h 44m2 stops

1:00 pm - 4:55 pmLIS-ORD

33h 55m1 stop

$507Scandinavian Airlines

Find Deal

Thu, Feb 26 - Thu, Mar 5

8:00 am - 9:20 amORD-LIS

19h 20m1 stop

5:00 am - 3:20 pmLIS-ORD

16h 20m1 stop

$508Multiple Airlines

Find Deal

Wed, Jan 14 - Sun, Jan 25

6:00 pm - 1:20 pmORD-LIS

13h 20m1 stop

5:00 am - 3:20 pmLIS-ORD

16h 20m1 stop

$509Lufthansa

Find Deal

Fri, Feb 6 - Wed, Feb 18

10:36 am - 8:40 amORD-LIS

16h 04m1 stop

10:55 am - 10:43 pmLIS-ORD

17h 48m2 stops

$510Virgin Atlantic

Find Deal

Wed, Dec 10 - Fri, Dec 19

10:11 am - 8:55 amORD-LIS

40h 44m2 stops

7:00 am - 5:45 pmLIS-ORD

39h 45m2 stops

$511Scandinavian Airlines

Find Deal

Thu, Feb 26 - Wed, Mar 18

4:50 pm - 9:20 amORD-LIS

10h 30m1 stop

6:10 am - 2:10 pmLIS-ORD

14h 00m1 stop

$512United Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 20

Air Canada flights from Chicago to Lisbon

Our best Air Canada deals on Chicago to Lisbon flight tickets

Air Canada

Dec 5

ORD6:05 pmChicago O'Hare Intl

57h 15m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 16

LIS11:20 amLisbon Humberto Delgado

27h 53m

2 stops

ORD9:13 amChicago O'Hare Intl

$504

Find similar

Air Canada

Dec 4

ORD3:35 pmChicago O'Hare Intl

11h 45m

1 stop

LIS9:20 amLisbon Humberto Delgado

Dec 10

LIS11:00 amLisbon Humberto Delgado

15h 10m

2 stops

ORD8:10 pmChicago O'Hare Intl

$521

Find similar

Air Canada

Jan 9

ORD7:15 amChicago O'Hare Intl

20h 05m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 13

LIS11:20 amLisbon Humberto Delgado

26h 45m

2 stops

ORD8:05 amChicago O'Hare Intl

$522

Find similar

Scandinavian Airlines flights from Chicago to Lisbon

Our best Scandinavian Airlines deals on Chicago to Lisbon flight tickets

Scandinavian Airlines

Feb 26

ORD10:11 amChicago O'Hare Intl

23h 39m

2 stops

LIS3:50 pmLisbon Humberto Delgado

Mar 7

LIS6:55 pmLisbon Humberto Delgado

27h 50m

1 stop

ORD4:45 pmChicago O'Hare Intl

$507

Find similar

Scandinavian Airlines

Feb 26

ORD10:11 amChicago O'Hare Intl

40h 44m

2 stops

LIS8:55 amLisbon Humberto Delgado

Mar 18

LIS7:00 amLisbon Humberto Delgado

39h 45m

2 stops

ORD5:45 pmChicago O'Hare Intl

$511

Find similar

Scandinavian Airlines

Jan 11

ORD7:01 amChicago O'Hare Intl

27h 04m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Jan 21

LIS4:55 pmLisbon Humberto Delgado

50h 19m

2 stops

ORD1:14 pmChicago O'Hare Intl

$513

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 12/5

6:05 pm-9:20 am

2 stops57h 15m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-9:13 am

2 stops27h 53m

$504

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 1/17

10:24 am-9:30 pm

2 stops29h 06m

Lisbon Humberto Delgado

Sat 2/7

7:05 am-8:53 pm

2 stops19h 48m

$505

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/10

1:23 pm-8:40 am

1 stop13h 17m

Lisbon Humberto Delgado

Tue 12/23

11:15 am-9:40 pm

1 stop16h 25m

$506

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Mon 12/8

10:49 am-8:00 am

2 stops15h 11m

Lisbon Humberto Delgado

Thu 12/25

5:30 am-5:19 pm

2 stops17h 49m

$506

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 2/26

10:11 am-8:55 am

2 stops40h 44m

Lisbon Humberto Delgado

Thu 3/5

1:00 pm-4:55 pm

1 stop33h 55m

$507

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 1/14

8:00 am-9:20 am

1 stop19h 20m

Lisbon Humberto Delgado

Sun 1/25

5:00 am-3:20 pm

1 stop16h 20m

$508

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 2/6

6:00 pm-1:20 pm

1 stop13h 20m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-3:20 pm

1 stop16h 20m

$509

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/10

10:36 am-8:40 am

1 stop16h 04m

Lisbon Humberto Delgado

Fri 12/19

10:55 am-10:43 pm

2 stops17h 48m

$510

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 2/26

10:11 am-8:55 am

2 stops40h 44m

Lisbon Humberto Delgado

Wed 3/18

7:00 am-5:45 pm

2 stops39h 45m

$511

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 1/9

4:50 pm-9:20 am

1 stop10h 30m

Lisbon Humberto Delgado

Tue 1/20

6:10 am-2:10 pm

1 stop14h 00m

$512

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the typical price of a round-trip flight between Chicago and Lisbon?

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Chicago to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $548. If you are unable to visit Lisbon during the month of February, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $579.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $592. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Lisbon for around $809.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $568. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $801 on average. Flights to Lisbon from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Lisbon Humberto Delgado flight route?

Fly from Chicago O'Hare Intl to Lisbon Humberto Delgado for the best Chicago - Lisbon Humberto Delgado flight prices

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

You are more likely to see cheaper flights to Lisbon from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $769 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Chicago for as low as $702 on momondo.

What cabin class options are available on Chicago to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Chicago to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Lisbon flights?

You could potentially save up to 46% on your flight if you consider stops on a Chicago to Lisbon flight.

How have Chicago to Lisbon flight prices changed over time?

As of November 2025, prices for Chicago to Lisbon flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Lisbon (CHI to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Lisbon

Best Price Found	$390
Fastest flight time	7h 55m
Direct flights	Mon, Thu and Sat
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Chicago in the past 72 hours is $390. The best round-trip flight deal from Chicago to Lisbon found on momondo in the last 72 hours is $432.

The fastest flight from Chicago to Lisbon takes 7h 55m

Direct flights go from Chicago to Lisbon on Monday, Thursday and Saturday. There are no airlines offering direct flights.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

Search flight deals

How far is Chicago to Lisbon Humberto Delgado by plane?
Lisbon Humberto Delgado is 3988.2 mi away from Chicago. In terms of flight time, this usually takes a little over 10h 00m.
When did momondo last update prices for flights from Chicago to Lisbon Humberto Delgado Airport?
Prices for flights from Chicago to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Chicago to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Chicago to Lisbon Humberto Delgado Airport is 17 as of November 2025.
How old do you have to be to fly from Chicago to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Lisbon?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago to Lisbon is Boeing 787 Dreamliner (19.67% of total bookings). The next most popular plane models are Airbus A330-300 (17.99%), Airbus A330-900neo (16.37%), and Boeing 787-8 Dreamliner (15.38%).
What is the most popular airline from Chicago to Lisbon?
Based on momondo bookings for flights between Chicago and Lisbon, the leading airline is TAP AIR PORTUGAL, making up 44% of the total bookings. Other popular airlines include United Airlines with 19%, British Airways with 9%, and Air Canada with 8%.

Best airlines flying from Chicago to Lisbon

Compare and see reviews for airlines that fly from Chicago to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $369	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $425	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
Lufthansa	PriceFrom $441	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
Air France	PriceFrom $470	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights
TAP AIR PORTUGAL	PriceFrom $488	Free Cancellation	Rating 7.1 2,074 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $489	Free Cancellation	Rating 7.5 1,794 reviews	Search SWISS flights
Aer Lingus	PriceFrom $494	Free Cancellation	Rating 7.2 1,381 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $506	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
KLM	PriceFrom $527	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights

Sintra

Fátima

Ericeira

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Óbidos

Torres Vedras

Comporta

Sines

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Lisbon?

It is quick and easy to find Chicago to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

Can I find flights from Chicago to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Lisbon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Lisbon.

I’m not ready to book a flight from Chicago to Lisbon right now. Can momondo alert me if prices change?

Price alerts on flights to Lisbon from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 12/25

Thu 1/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly to other destinations from Chicago

Flights from Chicago Midway to Newark

Flights from Chicago O'Hare Intl to New York John F Kennedy Intl

Flights from Chicago O'Hare Intl to Minneapolis St Paul

Flights from Chicago O'Hare Intl to Nashville Intl

Flights from Chicago Midway to Asheville Regional

Flights from Chicago Midway to Atlanta Hartsfield-Jackson

Cheap flights from Chicago to Lisbon from $229

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Lisbon departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Air Canada flights from Chicago to Lisbon

Our best Air Canada deals on Chicago to Lisbon flight tickets

Scandinavian Airlines flights from Chicago to Lisbon

Our best Scandinavian Airlines deals on Chicago to Lisbon flight tickets

momondo Fare Finder

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

See travel insights to Lisbon from

How to get the cheapest flight ticket from Chicago to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Lisbon?

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $592. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Lisbon for around $809.

What is the cheapest time of day to depart on your flight to Lisbon?

What is the cheapest Chicago to Lisbon Humberto Delgado flight route?

Fly from Chicago O'Hare Intl to Lisbon Humberto Delgado for the best Chicago - Lisbon Humberto Delgado flight prices

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

What cabin class options are available on Chicago to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Chicago to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Lisbon flights?

You could potentially save up to 46% on your flight if you consider stops on a Chicago to Lisbon flight.

How have Chicago to Lisbon flight prices changed over time?

As of November 2025, prices for Chicago to Lisbon flights are approximately 7% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Lisbon Humberto Delgado?

Scandinavian Airlines and Icelandair are the most popular carriers operating from Chicago to Lisbon Humberto Delgado

What airlines fly to Lisbon?

How often are flights from Chicago to Lisbon delayed?

Historically, on average around 42% of flights between Chicago and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

What is the most punctual flight time for Chicago to Lisbon flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Lisbon flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 42% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago and Lisbon?

Toronto (YYZ) was the most common stop: 19% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Lisbon?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $391.

Which layover airport has the shortest travel time from Chicago to Lisbon?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 55m.

Which layover airport has the shortest connection time from Chicago to Lisbon?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 29m.

When to book flights from Chicago to Lisbon

Cheap Chicago to Lisbon (CHI to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Lisbon

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

How far is Chicago to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Chicago to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Chicago to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Chicago to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular plane model from Chicago to Lisbon?

What is the most popular airline from Chicago to Lisbon?

Best airlines flying from Chicago to Lisbon

Compare and see reviews for airlines that fly from Chicago to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Lisbon?

Can I find flights from Chicago to Lisbon with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Lisbon?

I’m not ready to book a flight from Chicago to Lisbon right now. Can momondo alert me if prices change?

An easier way to manage your Lisbon trip