Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Portugal from $277

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 Portugal departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Chicago to Portugal

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Portugal.
 Logo
10:20 pm - 5:55 pmORD-LIS
13h 35m1 stop
 Logo
6:35 am - 2:15 pmLIS-ORD
13h 40m1 stop
Sun, May 4 - Wed, May 14
Aer Lingus Logo
9:15 pm - 9:35 pmORD-LIS
18h 20m1 stop
Aer Lingus Logo
10:15 pm - 2:00 pmLIS-ORD
21h 45m1 stop
$494Aer Lingus
Find Deal
Mon, May 12 - Wed, May 21
TAP AIR PORTUGAL Logo
6:00 pm - 7:50 amORD-OPO
31h 50m1 stop
TAP AIR PORTUGAL Logo
4:00 pm - 4:10 pmOPO-ORD
30h 10m1 stop
$551TAP AIR PORTUGAL
Find Deal
Sun, Apr 13 - Tue, Apr 29
TAP AIR PORTUGAL Logo
6:00 pm - 7:50 amORD-OPO
31h 50m1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 4:10 pmOPO-ORD
28h 10m1 stop
$552TAP AIR PORTUGAL
Find Deal
Sun, Apr 13 - Tue, Apr 29
British Airways Logo
5:10 pm - 3:40 pmORD-LIS
16h 30m2 stops
British Airways Logo
6:35 am - 2:15 pmLIS-ORD
13h 40m1 stop
$555British Airways
Find Deal
Wed, Apr 30 - Wed, May 7
British Airways Logo
11:45 am - 7:50 pmORD-OPO
26h 05m2 stops
British Airways Logo
12:20 pm - 2:15 pmOPO-ORD
31h 55m1 stop
$564British Airways
Find Deal
Mon, May 5 - Mon, May 12
United Airlines Logo
11:15 am - 8:20 amORD-LIS
15h 05m2 stops
United Airlines Logo
11:25 am - 11:48 amLIS-ORD
30h 23m2 stops
$625United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
United Airlines Logo
4:00 pm - 10:30 amORD-LIS
12h 30m1 stop
United Airlines Logo
11:25 am - 8:00 pmLIS-ORD
14h 35m1 stop
$633United Airlines
Find Deal
Mon, Apr 14 - Wed, Apr 23
Air Canada Logo
9:35 am - 6:15 pmORD-OPO
26h 40m2 stops
Air Canada Logo
6:00 am - 8:12 pmOPO-ORD
20h 12m2 stops
$634Air Canada
Find Deal
Sun, May 11 - Wed, May 21
Air Canada Logo
8:25 pm - 11:10 amORD-LIS
32h 45m1 stop
Air Canada Logo
12:50 pm - 7:29 pmLIS-ORD
12h 39m1 stop
$636Air Canada
Find Deal
Sat, Sep 20 - Wed, Oct 8

Aer Lingus flights from Chicago to Portugal

Our best Aer Lingus deals on Chicago to Portugal flight tickets
Aer Lingus
May 12
ORD9:15 pmChicago O'Hare Intl
18h 20m
1 stop
LIS9:35 pmLisbon Humberto Delgado
May 21
LIS10:15 pmLisbon Humberto Delgado
21h 45m
1 stop
ORD2:00 pmChicago O'Hare Intl
Aer Lingus
May 12
ORD9:15 pmChicago O'Hare Intl
18h 20m
1 stop
LIS9:35 pmLisbon Humberto Delgado
May 21
LIS10:15 pmLisbon Humberto Delgado
21h 45m
1 stop
ORD2:00 pmChicago O'Hare Intl
Aer Lingus
May 13
ORD9:15 pmChicago O'Hare Intl
18h 20m
1 stop
LIS9:35 pmLisbon Humberto Delgado
May 21
LIS10:15 pmLisbon Humberto Delgado
21h 45m
1 stop
ORD2:00 pmChicago O'Hare Intl

Finnair flights from Chicago to Portugal

Our best Finnair deals on Chicago to Portugal flight tickets
Finnair
Sep 21
ORD5:45 pmChicago O'Hare Intl
23h 15m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Oct 1
LIS6:35 amLisbon Humberto Delgado
13h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl
Finnair
May 12
ORD10:25 pmChicago O'Hare Intl
18h 45m
1 stop
LIS11:10 pmLisbon Humberto Delgado
May 21
LIS6:35 amLisbon Humberto Delgado
13h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl
Finnair
Aug 17
ORD5:45 pmChicago O'Hare Intl
23h 15m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Aug 24
LIS6:35 amLisbon Humberto Delgado
13h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl

See travel insights to Portugal from

How to get the cheapest flight ticket from Chicago to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Chicago is in February. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Chicago during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $588.

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

According to our data, Wednesday is the cheapest day to fly to Portugal from Chicago. The lowest ticket price found for a Wednesday departure recently was $600. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $900.

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

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Chicago to Portugal during this time can be as low as $542. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $808 per ticket.

What is the cheapest Chicago to Portugal flight route?

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

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

You are more likely to see cheaper flights to Portugal from Chicago when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $781 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Chicago for as low as $717 on momondo.

What cabin class options are available on Chicago to Portugal flights?

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

Cheap Chicago to Portugal flight deals and tips

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

Best Price Found

$277

Fastest flight time

7h 55m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Portugal

5 airports
The best one-way flight to Portugal from Chicago in the past 72 hours is $277. The best round-trip flight deal from Chicago to Portugal found on momondo in the last 72 hours is $491.
The fastest flight from Chicago to Portugal takes 7h 55m
Direct flights go from Chicago to Portugal on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: TAP AIR PORTUGAL and JetBlue.
There are 5 airports near Portugal: Faro (FAO), Lisbon Humberto Delgado (LIS), Ponta Delgada Nordela (PDL), Funchal Madeira (FNC), Porto (OPO)

  • When did momondo last update prices for flights from Chicago to Portugal?

    Prices for flights from Chicago to Portugal refresh daily.

  • How many operators does momondo search for flights from Chicago to Portugal?

  • How old do you have to be to fly from Chicago to Portugal?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago to Portugal?


Best airlines flying from Chicago to Portugal

Compare and see reviews for airlines that fly from Chicago to Portugal with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $420Free CancellationRating
7.1
1,831 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $445Free CancellationRating
7.0
476 reviews
Search Icelandair flights
FinnairPriceFrom $463Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
American AirlinesPriceFrom $468Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $472Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $490Free CancellationRating
7.4
636 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $498Free CancellationRating
8.0
7,899 reviews
Search Delta flights
British AirwaysPriceFrom $515Free CancellationRating
6.6
6,715 reviews
Search British Airways flights
KLMPriceFrom $527Free CancellationRating
7.8
1,323 reviews
Search KLM flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Portugal 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 Portugal quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between Chicago and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Chicago and alert you when they change.


An easier way to manage your Portugal 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 4/6
Sun 4/13

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo