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Cheap flights from Chicago O'Hare Intl Airport to Lisbon from $276

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 O'Hare Intl Airport to Lisbon departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Lisbon

Cheap round-trip flights

Delta Logo
5:40 pm - 2:35 pmORD-LIS
14h 55m2 stops
Delta Logo
5:30 am - 8:23 pmLIS-ORD
20h 53m2 stops
$509Delta
Find Deal
Fri, Oct 24 - Tue, Nov 4
Virgin Atlantic Logo
10:35 am - 8:00 amORD-LIS
15h 25m2 stops
Virgin Atlantic Logo
10:00 am - 8:38 pmLIS-ORD
16h 38m2 stops
$511Virgin Atlantic
Find Deal
Wed, Jan 14 - Sun, Jan 18
Scandinavian Airlines Logo
10:40 am - 4:05 pmORD-LIS
23h 25m2 stops
Scandinavian Airlines Logo
7:00 am - 4:45 pmLIS-ORD
39h 45m2 stops
$513Scandinavian Airlines
Find Deal
Sat, Feb 7 - Sun, Feb 15
American Airlines Logo
4:55 pm - 8:50 amORD-LIS
9h 55m1 stop
American Airlines Logo
7:05 am - 3:25 pmLIS-ORD
14h 20m1 stop
$520American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
United Airlines Logo
9:15 pm - 10:15 amORD-LIS
31h 00m1 stop
United Airlines Logo
12:50 pm - 6:33 pmLIS-ORD
35h 43m2 stops
$525United Airlines
Find Deal
Tue, Dec 30 - Wed, May 6
United Airlines Logo
3:35 pm - 8:55 amORD-LIS
11h 20m1 stop
United Airlines Logo
5:00 am - 8:05 pmLIS-ORD
21h 05m1 stop
$526United Airlines
Find Deal
Tue, Dec 30 - Wed, Jan 7
TAP AIR PORTUGAL Logo
8:25 pm - 10:20 amORD-LIS
7h 55mnonstop
TAP AIR PORTUGAL Logo
11:10 am - 2:45 pmLIS-ORD
9h 35mnonstop
$535TAP AIR PORTUGAL
Find Deal
Sun, Nov 2 - Sun, Nov 9
Air Canada Logo
8:15 pm - 9:20 amORD-LIS
31h 05m1 stop
Air Canada Logo
10:55 am - 8:05 amLIS-ORD
27h 10m2 stops
$538Air Canada
Find Deal
Sun, Dec 14 - Thu, Dec 25
Air Canada Logo
4:50 pm - 9:20 amORD-LIS
11h 30m1 stop
Air Canada Logo
5:00 am - 7:30 pmLIS-ORD
20h 30m2 stops
$548Air Canada
Find Deal
Mon, Oct 27 - Sat, Nov 8
American Airlines Logo
9:45 pm - 2:55 pmORD-LIS
12h 10m1 stop
American Airlines Logo
11:05 am - 7:50 pmLIS-ORD
14h 45m2 stops
$550American Airlines
Find Deal
Mon, Mar 9 - Wed, Apr 8

United Airlines flights from Chicago O'Hare Intl Airport to Lisbon

Our best United Airlines deals on Chicago O'Hare Intl Airport to Lisbon flight tickets
United Airlines
Dec 30
ORD9:15 pmChicago O'Hare Intl
31h 00m
1 stop
LIS10:15 amLisbon Humberto Delgado
May 6
LIS12:50 pmLisbon Humberto Delgado
35h 43m
2 stops
ORD6:33 pmChicago O'Hare Intl
$525
Find similar
United Airlines
Dec 30
ORD3:35 pmChicago O'Hare Intl
11h 20m
1 stop
LIS8:55 amLisbon Humberto Delgado
Jan 7
LIS5:00 amLisbon Humberto Delgado
21h 05m
1 stop
ORD8:05 pmChicago O'Hare Intl
$526
Find similar
United Airlines
Dec 14
ORD8:50 amChicago O'Hare Intl
19h 25m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 24
LIS5:00 amLisbon Humberto Delgado
21h 05m
1 stop
ORD8:05 pmChicago O'Hare Intl
$529
Find similar

Air Canada flights from Chicago O'Hare Intl Airport to Lisbon

Our best Air Canada deals on Chicago O'Hare Intl Airport to Lisbon flight tickets
Air Canada
Dec 14
ORD8:15 pmChicago O'Hare Intl
31h 05m
1 stop
LIS9:20 amLisbon Humberto Delgado
Dec 25
LIS10:55 amLisbon Humberto Delgado
27h 10m
2 stops
ORD8:05 amChicago O'Hare Intl
$538
Find similar
Air Canada
Oct 27
ORD4:50 pmChicago O'Hare Intl
11h 30m
1 stop
LIS9:20 amLisbon Humberto Delgado
Nov 8
LIS5:00 amLisbon Humberto Delgado
20h 30m
2 stops
ORD7:30 pmChicago O'Hare Intl
$548
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 10/24

5:40 pm-2:35 pm

2 stops14h 55m

Lisbon Humberto Delgado

Tue 11/4

5:30 am-8:23 pm

2 stops20h 53m

$509

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 1/14

10:35 am-8:00 am

2 stops15h 25m

Lisbon Humberto Delgado

Sun 1/18

10:00 am-8:38 pm

2 stops16h 38m

$511

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 2/7

10:40 am-4:05 pm

2 stops23h 25m

Lisbon Humberto Delgado

Sun 2/15

7:00 am-4:45 pm

2 stops39h 45m

$513

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 12/5

4:55 pm-8:50 am

1 stop9h 55m

Lisbon Humberto Delgado

Fri 12/12

7:05 am-3:25 pm

1 stop14h 20m

$520

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 12/30

9:15 pm-10:15 am

1 stop31h 00m

Lisbon Humberto Delgado

Wed 5/6

12:50 pm-6:33 pm

2 stops35h 43m

$525

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 12/30

3:35 pm-8:55 am

1 stop11h 20m

Lisbon Humberto Delgado

Wed 1/7

5:00 am-8:05 pm

1 stop21h 05m

$526

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/2

8:25 pm-10:20 am

Nonstop7h 55m

Lisbon Humberto Delgado

Sun 11/9

11:10 am-2:45 pm

Nonstop9h 35m

$535

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 12/14

8:15 pm-9:20 am

1 stop31h 05m

Lisbon Humberto Delgado

Thu 12/25

10:55 am-8:05 am

2 stops27h 10m

$538

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 10/27

4:50 pm-9:20 am

1 stop11h 30m

Lisbon Humberto Delgado

Sat 11/8

5:00 am-7:30 pm

2 stops20h 30m

$548

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/9

9:45 pm-2:55 pm

1 stop12h 10m

Lisbon Humberto Delgado

Wed 4/8

11:05 am-7:50 pm

2 stops14h 45m

$550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport 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 January, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $565.

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 $586. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Lisbon for around $817.

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 $560. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $810 on average. Flights to Lisbon from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago O'Hare Intl to Lisbon Humberto Delgado flight route?

Fly from Chicago O'Hare Intl to Lisbon Humberto Delgado for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $750 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Chicago O'Hare Intl Airport for as low as $722 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Lisbon flights?

You could potentially save up to 23% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Lisbon flight.

How have Chicago O'Hare Intl Airport to Lisbon flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Lisbon flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Lisbon (ORD to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Lisbon

Best Price Found

$263

Fastest flight time

7h 55m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Chicago O'Hare Intl Airport in the past 72 hours is $263. The best round-trip flight deal from Chicago O'Hare Intl Airport to Lisbon found on momondo in the last 72 hours is $510.
The fastest flight from Chicago O'Hare Intl Airport to Lisbon takes 7h 55m
Direct flights go from Chicago O'Hare Intl Airport to Lisbon on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)
Search flight deals

  • How far is Chicago O'Hare Intl to Lisbon Humberto Delgado by plane?

    Lisbon Humberto Delgado is 3998.0 mi away from Chicago O'Hare Intl. A reasonable flight in good conditions will take 7h 55m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Lisbon?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Lisbon?

Best airlines flying from Chicago O'Hare Intl Airport to Lisbon

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $369Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $444Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Aer LingusPriceFrom $484Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $484Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom $490Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $510Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SWISSPriceFrom $517Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
KLMPriceFrom $527Free CancellationRating
7.8
1,386 reviews
Search KLM flights
United AirlinesPriceFrom $537Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
LufthansaPriceFrom $543Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Ericeira
Nazaré
Oeiras
Setúbal
Peniche
Almada
Leiria
Tomar
Estoril
Sesimbra
Evora
Figueira da Foz
Zambujeira do Mar
Torres Vedras
Batalha
Óbidos
Comporta
Costa da Caparica

Why use momondo?

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

Finding the right flight to Lisbon from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

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

All flight searches from Chicago to Lisbon on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to Lisbon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Chicago to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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