Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portugal to Chicago O'Hare Intl Airport from $335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Chicago O'Hare Intl Airport departing on 5/28. 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

Deals available from 900+ travel sites.

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 Portugal to Chicago

Recent round-trip flight deals from Portugal to Chicago

These are some of the best round-trip flight deals from Portugal to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.
6:15 am - 7:34 amOPO-ORD
31h 19m3 stops
9:24 am - 11:30 amORD-OPO
20h 06m2 stops
Wed, Apr 2 - Tue, Apr 8
6:15 am - 7:34 amOPO-ORD
31h 19m3 stops
5:55 am - 11:30 amORD-OPO
23h 35m3 stops
Wed, Apr 2 - Tue, Apr 8
10:15 pm - 2:00 pmLIS-ORD
21h 45m1 stop
8:50 pm - 9:35 pmORD-LIS
18h 45m1 stop
$649Aer Lingus
Find Deal
Fri, May 2 - Sat, May 17
7:50 pm - 2:45 pmFAO-ORD
24h 55m1 stop
8:20 pm - 5:50 pmORD-FAO
15h 30m1 stop
$657British Airways
Find Deal
Fri, Apr 11 - Fri, Apr 18
10:15 pm - 2:00 pmLIS-ORD
21h 45m1 stop
8:50 pm - 9:35 pmORD-LIS
18h 45m1 stop
$687Aer Lingus
Find Deal
Sun, Apr 20 - Thu, Apr 24
6:35 am - 2:15 pmLIS-ORD
13h 40m1 stop
8:30 pm - 11:10 pmORD-LIS
20h 40m1 stop
$692British Airways
Find Deal
Fri, Jun 6 - Sat, Jun 21
6:00 am - 12:55 pmOPO-ORD
12h 55m1 stop
4:00 pm - 3:45 pmORD-OPO
17h 45m1 stop
$748United Airlines
Find Deal
Mon, Apr 14 - Mon, Apr 28
6:15 am - 1:55 pmLIS-ORD
13h 40m1 stop
1:45 pm - 10:30 amORD-LIS
14h 45m2 stops
$748United Airlines
Find Deal
Wed, Apr 2 - Mon, Sep 15
12:55 pm - 4:10 pmLIS-ORD
9h 15mnonstop
6:15 pm - 8:15 amORD-LIS
8h 00mnonstop
$827TAP AIR PORTUGAL
Find Deal
Sat, Apr 26 - Sat, May 10
12:55 pm - 4:10 pmLIS-ORD
9h 15mnonstop
6:15 pm - 8:15 amORD-LIS
8h 00mnonstop
$830TAP AIR PORTUGAL
Find Deal
Sat, Apr 26 - Sat, May 10

Iberia flights from Portugal to Chicago O'Hare Intl Airport

Our best Iberia deals on Portugal to Chicago O'Hare Intl Airport flight tickets
Iberia
Aug 24
LIS8:45 pmLisbon Humberto Delgado
23h 30m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 13
ORD4:45 pmChicago O'Hare Intl
13h 05m
2 stops
LIS11:50 amLisbon Humberto Delgado
Iberia
Aug 24
OPO8:35 pmPorto
23h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 12
ORD9:45 amChicago O'Hare Intl
15h 50m
2 stops
OPO7:35 amPorto

KLM flights from Portugal to Chicago O'Hare Intl Airport

Our best KLM deals on Portugal to Chicago O'Hare Intl Airport flight tickets
KLM
Apr 7
LIS7:30 pmLisbon Humberto Delgado
25h 10m
1 stop
ORD2:40 pmChicago O'Hare Intl
Apr 18
ORD4:20 pmChicago O'Hare Intl
12h 35m
1 stop
LIS10:55 amLisbon Humberto Delgado
KLM
Jun 13
OPO9:00 pmPorto
23h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Jun 23
ORD4:20 pmChicago O'Hare Intl
19h 35m
1 stop
OPO5:55 pmPorto
KLM
Mar 26
OPO6:00 amPorto
16h 43m
2 stops
ORD5:43 pmChicago O'Hare Intl
Mar 30
ORD4:20 pmChicago O'Hare Intl
17h 15m
1 stop
OPO3:35 pmPorto

See travel insights to Chicago from

How to get the cheapest flight ticket from Portugal to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Portugal averaging around $716.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $868. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Portugal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,439.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Portugal in the morning is the least expensive time of day to depart. momondo users have found prices as low as $974 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,122. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portugal to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Portugal when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $855 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Portugal for as low as $590 on momondo.

What cabin class options are available on Portugal to Chicago O'Hare Intl flights?

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

Cheap Portugal to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found

$335

Fastest flight time

9h 15m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Portugal in the past 72 hours is $335. The best round-trip flight deal from Portugal to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $640.
The fastest flight from Portugal to Chicago O'Hare Intl Airport takes 9h 15m
Direct flights go from Portugal to Chicago O'Hare Intl Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: TAP AIR PORTUGAL and JetBlue.

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

    Prices for flights from Portugal to Chicago O'Hare Intl Airport are updated daily.

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

  • How old do you have to be to fly from Portugal to Chicago O'Hare Intl 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 Portugal to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Portugal to Chicago O'Hare Intl Airport?


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

Compare and see reviews for airlines that fly from Portugal to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $579Free CancellationRating
7.0
1,063 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $580Free CancellationRating
7.1
1,827 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $716Free CancellationRating
7.4
8,623 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Rosemont
Gurnee
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
Tinley Park
South Holland
New Buffalo
Hammond
Aurora
Elgin
Elk Grove Village
Waukegan

Why use momondo?

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

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 Portugal to Chicago for you.

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

Yes. momondo allows you to filter the results for Portugal to Chicago flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Portugal and Chicago 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 Portugal to Chicago right now. Can momondo alert me if prices change?

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


An easier way to manage your Chicago O'Hare Intl Airport 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?
Tue 3/18
Tue 3/25

Find better results for your trip to Chicago