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Cheap flights from Illinois to Portugal from $216

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
7:00 pm - 11:45 pmORD  Chicago O'Hare Intl-OPO Porto
22h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
$556TAP AIR PORTUGAL
Wed, Mar 3 - Wed, Mar 10
TAP AIR PORTUGAL Logo
8:10 pm - 3:00 pmORD  Chicago O'Hare Intl-OPO Porto
12h 50m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:00 am - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
$557TAP AIR PORTUGAL
Sun, Dec 6 - Sun, Dec 13
Multiple Airlines Logo
8:10 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
11h 20m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
1:25 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
56h 05m2 stops Malaga Lisbon Humberto Delgado
$608Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
7:00 pm - 1:30 pmORD  Chicago O'Hare Intl-OPO Porto
12h 30m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
10:05 pm - 3:30 pmOPO  Porto-ORD Chicago O'Hare Intl
47h 25m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$627Multiple Airlines
Wed, Nov 25 - Mon, Nov 30
Iberia Logo
5:40 pm - 11:45 amORD  Chicago O'Hare Intl-OPO Porto
12h 05m1 stop Madrid Barajas
Iberia Logo
8:20 am - 2:55 pmOPO  Porto-ORD Chicago O'Hare Intl
12h 35m1 stop Madrid Barajas
$648Iberia
Mon, Jan 25 - Sun, Jan 31
Icelandair Logo
6:30 pm - 12:50 pmORD  Chicago O'Hare Intl-LIS Lisbon Humberto Delgado
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:55 pm - 5:20 pmLIS  Lisbon Humberto Delgado-ORD Chicago O'Hare Intl
33h 25m1 stop Reykjavik Keflavik Intl
$672Icelandair
Wed, Nov 11 - Tue, Nov 17
Icelandair Logo
6:30 pm - 12:50 pmORD  Chicago O'Hare Intl-LIS Lisbon Humberto Delgado
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 5:20 pmLIS  Lisbon Humberto Delgado-ORD Chicago O'Hare Intl
33h 20m1 stop Reykjavik Keflavik Intl
$677Icelandair
Sat, Jan 2 - Thu, Jan 21
Scandinavian Airlines Logo
7:15 pm - 8:25 pmORD  Chicago O'Hare Intl-LIS Lisbon Humberto Delgado
19h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:15 pm - 4:10 pmLIS  Lisbon Humberto Delgado-ORD Chicago O'Hare Intl
24h 55m1 stop Kastrup Copenhagen
$695Scandinavian Airlines
Thu, Apr 8 - Fri, Apr 16
Scandinavian Airlines Logo
7:10 pm - 3:55 pmORD  Chicago O'Hare Intl-LIS Lisbon Humberto Delgado
14h 45m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
4:55 pm - 4:45 pmLIS  Lisbon Humberto Delgado-ORD Chicago O'Hare Intl
29h 50m1 stop Kastrup Copenhagen
$696Scandinavian Airlines
Thu, Jan 7 - Thu, Jan 14
Iberia Logo
10:00 pm - 8:00 pmORD  Chicago O'Hare Intl-OPO Porto
16h 00m2 stops London Heathrow Madrid Barajas
Iberia Logo
8:20 am - 9:00 pmOPO  Porto-ORD Chicago O'Hare Intl
18h 40m2 stops Madrid Barajas Boston Logan Intl
$735Iberia
Sun, Apr 11 - Wed, Apr 21

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TAP AIR PORTUGAL flights from Illinois to Portugal

Our best TAP AIR PORTUGAL deals on Illinois to Portugal flight tickets
TAP AIR PORTUGAL
Mar 3
ORD7:00 pmChicago O'Hare Intl
22h 45m
1 stop
OPO11:45 pmPorto
Mar 10
OPO5:00 amPorto
16h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$556
TAP AIR PORTUGAL
Dec 2
ORD7:00 pmChicago O'Hare Intl
17h 00m
1 stop
OPO6:00 pmPorto
Dec 8
OPO6:00 pmPorto
27h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$557
TAP AIR PORTUGAL
Nov 25
ORD7:00 pmChicago O'Hare Intl
23h 30m
1 stop
OPO12:30 amPorto
Dec 6
OPO5:00 amPorto
16h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$562

SWISS flights from Illinois to Portugal

Our best SWISS deals on Illinois to Portugal flight tickets
SWISS
Feb 14
ORD6:50 pmChicago O'Hare Intl
34h 25m
1 stop
OPO11:15 amPorto
Feb 22
OPO7:20 pmPorto
26h 55m
1 stop
ORD4:15 pmChicago O'Hare Intl
$707
SWISS
Apr 14
ORD7:05 pmChicago O'Hare Intl
22h 20m
1 stop
LIS11:25 pmLisbon Humberto Delgado
Apr 21
LIS5:55 amLisbon Humberto Delgado
16h 00m
1 stop
ORD3:55 pmChicago O'Hare Intl
$710
SWISS
Feb 14
ORD6:50 pmChicago O'Hare Intl
34h 25m
1 stop
OPO11:15 amPorto
Feb 22
OPO7:20 pmPorto
26h 55m
1 stop
ORD4:15 pmChicago O'Hare Intl
$716

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 3/3

7:00 pm-11:45 pm

1 stop22h 45m

Porto

Wed 3/10

5:00 am-3:30 pm

1 stop16h 30m

$556

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 12/6

8:10 pm-3:00 pm

1 stop12h 50m

Porto

Sun 12/13

5:00 am-3:30 pm

1 stop16h 30m

$557

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Fri 11/27

8:10 pm-1:30 pm

1 stop11h 20m

Porto

Fri 12/4

1:25 pm-3:30 pm

2 stops56h 05m

$608

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Wed 11/25

7:00 pm-1:30 pm

1 stop12h 30m

Porto

Mon 11/30

10:05 pm-3:30 pm

2 stops47h 25m

$627
Quickest round-trip

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Mon 1/25

5:40 pm-11:45 am

1 stop12h 05m

Porto

Sun 1/31

8:20 am-2:55 pm

1 stop12h 35m

$648

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Wed 11/11

6:30 pm-12:50 pm

1 stop12h 20m

Lisbon Humberto Delgado

Tue 11/17

1:55 pm-5:20 pm

1 stop33h 25m

$672

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Sat 1/2

6:30 pm-12:50 pm

1 stop12h 20m

Lisbon Humberto Delgado

Thu 1/21

2:00 pm-5:20 pm

1 stop33h 20m

$677

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Thu 4/8

7:15 pm-8:25 pm

1 stop19h 10m

Lisbon Humberto Delgado

Fri 4/16

9:15 pm-4:10 pm

1 stop24h 55m

$695

ChicagoLisbon

ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado

ORDLIS

Chicago O'Hare Intl

Thu 1/7

7:10 pm-3:55 pm

1 stop14h 45m

Lisbon Humberto Delgado

Thu 1/14

4:55 pm-4:45 pm

1 stop29h 50m

$696

ChicagoPorto

ORD Chicago O'Hare Intl - OPO Porto

ORDOPO

Chicago O'Hare Intl

Sun 4/11

10:00 pm-8:00 pm

2 stops16h 00m

Porto

Wed 4/21

8:20 am-9:00 pm

2 stops18h 40m

$735

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 Portugal from

How to get the cheapest flight ticket from Illinois 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 Illinois is in January. Flight prices, which tend to average around $605, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Illinois during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $612.

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 Illinois. The lowest ticket price found for a Wednesday departure recently was $730. 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 Saturday, with ticket prices averaging around $875.

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 Illinois to Portugal during this time can be as low as $683. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $837 per ticket.

What is the cheapest Illinois to Portugal flight route?

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

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

You are more likely to see cheaper flights to Portugal from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $876 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Illinois for as low as $826 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Portugal 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 Illinois to Portugal flights?

You could potentially save up to 23% on your flight if you consider stops on a Illinois to Portugal flight.

Cheap Illinois to Portugal flight deals and tips

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

Best Price Found

$216

Fastest flight time

8h 00m

Direct flights

Mon, Thu and Sat

Airports in Portugal

99 airports
The best one-way flight to Portugal from Illinois in the past 72 hours is $216. The best round-trip flight deal from Illinois to Portugal found on momondo in the last 72 hours is $556.
The fastest flight from Illinois to Portugal takes 8h 00m
Direct flights go from Illinois to Portugal on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There are 99 airports in Portugal. From Illinois there are direct flights to Lisbon Humberto Delgado (LIS).
Search flight deals

Frequently asked questions about flying from Illinois to Portugal

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

    Prices for flights from Illinois to Portugal are updated daily.

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

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

Best airlines flying from Illinois to Portugal

Compare and see reviews for airlines that fly from Illinois to Portugal with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $334Free CancellationRating
7.5
697 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $373Free CancellationRating
7.0
766 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $460Free CancellationRating
7.4
2,028 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $469Free CancellationRating
7.2
2,386 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $485Free CancellationRating
7.8
8,683 reviews
Search Delta flights
SWISSPriceFrom $489Free CancellationRating
7.5
2,115 reviews
Search SWISS flights
KLMPriceFrom $492Free CancellationRating
7.8
1,597 reviews
Search KLM flights
IberiaPriceFrom $496Free CancellationRating
7.0
3,244 reviews
Search Iberia flights
American AirlinesPriceFrom $522Free CancellationRating
7.0
12,191 reviews
Search American Airlines flights
British AirwaysPriceFrom $523Free CancellationRating
6.7
8,274 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Portugal for you.

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

Flights from Illinois to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois 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 Illinois and alert you when they change.

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Find better results for your trip to Portugal

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