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Find cheap flights from Chicago to Portugal from $282

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Portugal departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/12
Wed 6/19

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Best Portugal Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Lisbon
Lisbon2 stops$593
Ponta Delgada
Ponta Delgada1 stop$644
Horta
Horta3 stops$1,129

Good to know

Low season

January

High season

September

Cheapest flight

$282
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Chicago Midway Airport to Lisbon

FAQs - booking Portugal flights

  • How can I quickly get to O’Hare International Airport from Chicago?

    If you’d like to quickly get to O’Hare International Airport from Chicago, you should board the CTA Blue Line L train. Onboard this train, you’ll get to the airport after roughly 40min. Given that the CTA Blue Line L train is also the cheapest means to get to O’Hare International Airport from Chicago, boarding it is financially advisable.

  • Which airport in Portugal should I fly to if I intend to visit other European countries?

    If you intend to fly to other European countries after visiting Portugal, you should book a flight that lands at Humberto Delgado Airport in Lisbon. Here, you can get a flight that heads to Spain, Malta, Finland, Britain, Netherlands, and even Luxembourg.

  • Which airlines that travel from Chicago to Portugal are eco-friendly?

    If you’re a fan of sustainable travel, you should consider traveling with either British Airways or United Airlines to Portugal from Chicago, as these two airlines have taken considerable steps to minimize their carbon footprint.

  • What are the popular layover options for flights to Portugal from Chicago?

    There are numerous layover options for flights from Chicago to Portugal. The most frequented options are London, Zurich, and Paris. You should board a British Airways flight if you’d like to have a layover in London, a Swiss Air Lines flight if you’d like to have a layover in Zurich, and an Air France flight if you’d like to stop over in Paris.

  • How does KAYAK find such low prices on flights from Chicago to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portugal from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portugal with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portugal from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Portugal

  • Morning departure is around 3% more expensive than an evening flight, on average*.
  • All flights from Chicago to Portugal usually take off from the prestigious O’Hare International Airport. Located northwest of Chicago’s central business district, this airport is quite positively reviewed, as it has plenty of amenities. Some of the amenities you’ll have access to at this airport include on-site restaurants, boutique shops, spacious lounges, and an urban garden. This remarkable airport also has a free yoga room where you can relax while waiting for your flight. Given that the lines here are pretty short, you’ll find it easy to check in.
  • Several airlines offer flights from Chicago to Portugal. Although none of these airlines offer direct flights, a good number of them offer one-stop flights. For example, Lufthansa Airlines, British Airways, KLM Royal Dutch Airlines, United Airlines, and Air France offer one-stop flights to Lisbon from Chicago, while Swiss Air Lines offers one-stop flights from Chicago to Faro.
  • The airport you choose to land at in Portugal should be close to the destinations you intend to visit. If you plan on touring the northern part of Portugal, you should book a flight that lands at Francisco Sá Carneiro Airport in Porto, whereas if you plan on touring the southern part of Portugal, you should book a flight that lands at Faro Airport in Faro. If the places you intend to visit are not so far away from the capital, then you should hop on a flight that lands at Humberto Delgado Airport in Lisbon.
  • Just like all other countries, Portugal has strict entry rules. Thus, before embarking on any flight from Chicago to Portugal, it’s essential that you have your entry documents in order. If you’re a US citizen, you must have a valid passport, a document to show that you have sufficient funds to stay in the country, and a return plane ticket. If you plan on staying for a period longer than 90 days, you must have a visa.
  • In Portugal, children under the age of 12 must be seated in child car seats while in a car. If you plan on touring Portugal with your young child, it’s in your best interest to carry a child car seat. If you don’t have one, kindly ensure that any cab you hail has one. This way, you’ll avoid any issues with the Portuguese authorities.
See more tips
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Chicago to Portugal

 
Need help choosing which airline to fly with from Chicago to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 10981 reviews
8.1Crew
7.2Comfort
7.7Boarding
6.7Food
7.1Entertainment
Airline reviews

Energetic crew - flight full of swiftied going to Taylor's opening show in Paris! Long lines for bathroom made out kind of suck though

8.0 ExcellentSusan, May 2024ORD - CDG
Read more about United Airlines reviews

Energetic crew - flight full of swiftied going to Taylor's opening show in Paris! Long lines for bathroom made out kind of suck though

I’ve had a couple flights this week on United that were delayed by an hour or more

Great! The plane was decently sized and comfortable. The staff was nice and there was great in flight entertainment

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

Nothing beats ANA customer service on my opinion. Maybe because of their Japanese culture (and food). Arigatō

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

Flight delayed for 2 hours due to a part. The plane sat waiting for boarding for a long time and during final preflight inspection the issue was found. Why not do the preflight inspection sooner if you know the plane is being used?

The flight experience was very good! Especially the United Club!

I was not able to buy food in the flight. They refer to include your Credit card in the APP, and if you are not from USA (i have a credit card form Canada) it is not possible

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

It was spectacular. I had basic Economy and was given so much space and their seats lean back so far. Staff was superb, food was superb, everything was superb, Finnair is Fantastic.

Good flights. Departure and arrivals were on time. DFW was a little problematic in that the Skytrain without prior notice bypassed the Echo terminal so that delayed my arrival at my connecting flight.

Because I can’t stand very long in one place, I was allowed to reword.

We were delayed bc ground crew gave the flight crew the wrong paperwork. We taxiied to the runway then back to the gate to get the correct paperwork that no one bothered reviewing the first time we pushed back. Boarding was rude and stressful like it always is. Gate agents and flight attendants are all over 55 years of age, embittered by years of underpayment From AA leading to their passive agressive bitchiness for no reason.

Boarding time was easy & quick. Crew was excellent. In-flight entertainment was great/easy. Seats are too small and not enough room between rows: felt like a sardine/very cramped.

5 hour flight - full flight - not enough room to use my computer - slightly delayed - Admirals club was excellent quality food, drink made up for flight seating. No food offerred on flight, you ahd to prebook.

Excellent- plan was barely populated. I cannot remember a flight where I was able/encouraged to stretch out!

Great flight. Boarding was efficient and quick. On time departure and smooth flight. Flight arrived early at destination. Good experience.

Had technical issue which delayed the flight period. Flight crew knew there was 5 passengers that the connecting flight was within 15 minutes once at the gate. Rather than identify the 5 passengers to assure they got first. The flight attended mentioned it but didn't assist to assure passengers with connecting flights off first. This caused a hardship and our party of 3 missed the connecting flight.

I don't like that I have to pay if I want extra leg room. The seats are so expensive; I sit in normal seats and my legs and knees cramp the entire flight. I never feel comfortable on AA flights.

Seats comfortable on economy plus and attendants very helpful. Food was ok. Bathrooms needed servicing.

Original flight was cancelled - After waiting 2 hours for new take-off times. Then had to stand in line for 3 hours, ending at 2:30 am - to be told, " No hotel rooms anywhere in Dallas". No way for me to get any rest at DFW at that time of night.

Thankful for 2-4-2 economy seating. Food was ok. Free beer & wine in economy was nice. Served hot dinner, mud- flight snack and pre-arrival ham sandwich. Seat with pillow & blanket. Reasonable movie options. Overall, a good experience. IBERIA APP is terrible terrible terrible.... needs to get upgraded to equivalent of TAP Airlines App. No option to bid or request an upgrade. Very disappointing.

I liked the friendly crew and desk staff, all very helpful. I was surprised and a little annoyed on my outbound flight from LGW to MCO as I had prepaid and booked my seat, which was all correct at check in on my boarding pass. when I got on the plane someone was in my seat ! I was moved to another seat. The food choice is quite limited and I feel that an option of a muffin for breakfast snack would be welcomed, not everyone wants egg or bacon wrap. The choice of entertainment is good, plenty to keep you busy on a long haul flight. I liked the option offered to have the cabin bag checked into the hold, it saved me as an older, lone traveller lifting my case into the overhead locker or finding there was no space.

My luggage never arrived in Miami; still waiting a day later.

good service from crew. Before the would have an option between cookies or nuts as snacks.. Now, there are only cookies. too bad. People who can not have sugar don't have a choice.

Fast check in, easy to navigate, crew were very good, the plane was delayed due to a previous flight and I found the cleanliness a little lacking but overall it was fine

I’m hoping for WiFi included. Everything else was very good

All corners have been cut and it’s a cheap experience that no longer is distinguished from most other cheap airlines

Pros: they tried to accommodate bc they forgot my gluten free meal Negatives: The flight was freeeeeezing Iberia didn’t communicate my gluten free meal

Great airline, new, comfortable and quiet planes. Plenty of leg room and state of the art entertainment system. The big downside is the connection in Lisbon. The airport is small and a bus is needed from the plane to the terminal. Is a mess, takes a lot of time, nobody gives an explanation, boarding zones are not honored, etc.

I thought Miami's airport was very disorganized during the Boarding.

Very efficient boarding - other airlines could learn from them. Friendly, efficient crew. Red eye flight, so dinner meal was irrelevant. Breakfast could have been more substantial. Seats reasonably comfy.

People seated in exit rows should have designated overhead space

I have been flying internationally for most of like. My first trip with TAP- wonderful! I look forward to flying with them more frequently in the future!

Larger seats on this plane made the ride reasonably comfortable. Our next flight, from Lisbon to Copenhagen, was inconsiderately tight and stressful. The seats were smaller, space between rows was very limited (no button or mechanism to even slightly incline anyone’s seat), and leg-cramping under the seat in front. Just like sardines in a can. Really felt for all the tall Danes on the flight. Their knees were pressed against the seat in front throughout the flight.

Flight was 2+ hrs late boarding. Delay updates were nonexistent. Boarding Gate change was by word of mouth.

The plane was modern and clean. TAP staff at the airport as well as the flight crew were professional, friendly, and helpful. Overall, a great experience.

The airline made last minute changes to our business class seats splitting our family of 4 with young children who had pre-booked a row of 4 seats. The seat was also dirty and sticky. Our pre-ordered child meals were also not available. :(

Awful experience all around, misleading booking led to disgraceful baggage charge at gate. Tiny uncomfortable seats with little drinks served in small paper cups filled halfway. Difficult to use bathrooms the whole flight and now on the way back we’re stuck in Lisbon a day later because of a diversion on our connecting flight, I will never fly this airline again.

Better food and more space in the seats. Also when doing the web check in both times I was going in to your site the minute you open it and there is not really many seats to choose only to buy!!!

It was ok, not as good as it used to be. The Heathrow connection was a disaster - complete anarchy, unknowledgable and skimpy assistance and signage. Gate crew at next flight was great, held the flight while my wife struggled through security.

It was great! The seats were comfortable, and they fed me during the transatlantic flight, something which I have been missing out on for the past 3 years as I travel to and from school.

This flight was cancelled at the last minute. We were rebooked on another flight but a day later. We lost a day of our vacation and paid for a night in a hotel we couldn’t use. The flights we were rebooked on (both American) messed up our seating on both flights-we didn’t get the seats we had paid for. All in all, a terrible experience.

Lost our bags in Heathrow, We didn’t receive bags in Mallorca for 3 days, out of a 7 day cycling vacation. Really inconvenient and disappointing!

We missed the flight to Barcelona because the flight from Baltimore was delayed. We flew on Vueling VW6653. Our luggage didn’t arrive. Please help us get our luggage. We are staying at Hotel Gran Via in Barcelona

The seats were tiny, being of a fairly petite build, I don’t usually expect to feel crammed and cramped in a seat, but I definitely was on this flight. I couldn’t even bend over to get anything out from under the seat in front and getting up to go to the bathroom at night with the seat backs reclined was nearly impossible. I had to do gymnastics to get over and out. For an airline that does long flights overnight, it’s kind of ridiculous.

Not connecting flights. Missed my flight from Dublin to Liverpool because I arrived at Dublin one hour too late. For this mistake, they offered me a flight from Dublin to Manchester. Thats great and all, but I waste time and money to commute to Liverpool. Be sure to check the time of your connecting flights, because they sure don’t when they sell it to you

Excellent! Great flight attendants, good food (in business class, at least), very comfortable. Touchscreen and remote wasn’t great.

In economy and food was ok, but with limited leg space (and I was in a 2 seat configuration) it was difficult to eat with a tiny seat tray. I spilt wine on my trousers. First time on British Air (I usually fly Turkish Air) and in a 777. Heathrow was pleasant but changing terminals awkward.

Book cheap flights from Chicago to Portugal

Recent round-trip flight deals

11/6Wed
2 stopsDelta
16h 51mMDW-OPO
11/14Thu
2 stopsDelta
18h 03mOPO-MDW
$555
11/6Wed
2 stopsDelta
19h 15mMDW-OPO
11/14Thu
2 stopsDelta
18h 03mOPO-MDW
$560
10/9Wed
1 stopTAP AIR PORTUGAL
19h 50mORD-PDL
10/13Sun
1 stopTAP AIR PORTUGAL
25h 45mPDL-ORD
$644
10/16Wed
1 stopTAP AIR PORTUGAL
19h 50mORD-PDL
10/23Wed
1 stopTAP AIR PORTUGAL
14h 40mPDL-ORD
$646
8/9Fri
1 stopBritish Airways
22h 05mORD-LIS
8/20Tue
2 stopsBritish Airways
26h 08mLIS-ORD
$694
8/8Thu
2 stopsBritish Airways
15h 44mORD-LIS
8/20Tue
2 stopsBritish Airways
26h 08mLIS-ORD
$785
8/7Wed
1 stopUnited Airlines
18h 35mORD-LIS
8/15Thu
1 stopUnited Airlines
28h 36mLIS-ORD
$834
8/3Sat
1 stopUnited Airlines
13h 05mORD-LIS
8/14Wed
1 stopUnited Airlines
26h 33mLIS-ORD
$839
7/8Mon
1 stopIberia
21h 20mORD-OPO
7/15Mon
1 stopIberia
27h 45mOPO-ORD
$983
7/2Tue
1 stopIberia
21h 20mORD-OPO
7/9Tue
1 stopIberia
23h 45mOPO-ORD
$1,003

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Recent one-way flight deals

9/16Mon
2 stops
35h 07mMDW-LIS
$282
9/16Mon
2 stops
35h 07mMDW-LIS
$287
9/4Wed
2 stops
44h 57mMDW-LIS
$306
9/27Fri
2 stops
26h 07mMDW-LIS
$311
7/21Sun
nonstopTAP AIR PORTUGAL
7h 55mORD-LIS
$512
7/8Mon
1 stopTAP AIR PORTUGAL
24h 30mORD-OPO
$524
6/8Sat
1 stopUnited Airlines
13h 10mORD-OPO
$882
5/16Thu
1 stopBritish Airways
14h 35mORD-FNC
$1,007
5/17Fri
1 stopIberia
13h 00mORD-FNC
$1,100
6/25Tue
1 stopBritish Airways
17h 55mORD-FAO
$1,130

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Last minute flights from Chicago to Portugal

Last minute flight, train and bus deals

5/18Sat
multi-stopDelta
19h 58mORD-OPO
5/28Tue
multi-stopDelta
15h 20mOPO-ORD
$830
5/18Sat
multi-stopKLM
17h 15mORD-OPO
5/28Tue
multi-stopKLM
15h 20mOPO-ORD
$838
5/18Sat
multi-stopDelta
19h 58mORD-OPO
5/28Tue
multi-stopDelta
21h 11mOPO-ORD
$840
5/14Tue
multi-stopUnited Airlines
31h 10mORD-LIS
5/23Thu
multi-stopUnited Airlines
28h 30mLIS-ORD
$1,296
5/15Wed
multi-stopUnited Airlines
20h 00mORD-LIS
5/26Sun
multi-stopUnited Airlines
26h 20mLIS-ORD
$1,325
5/16Thu
multi-stopTAP AIR PORTUGAL
18h 50mORD-LIS
5/29Wed
nonstopTAP AIR PORTUGAL
9h 35mLIS-ORD
$1,430
5/14Tue
multi-stopIberia
15h 20mORD-LIS
5/23Thu
multi-stopIberia
13h 45mLIS-ORD
$1,434
5/17Fri
multi-stopIberia
14h 13mORD-LIS
5/28Tue
multi-stopIberia
18h 56mLIS-ORD
$1,919
5/16Thu
multi-stopBritish Airways
13h 05mORD-LIS
5/25Sat
multi-stopBritish Airways
14h 40mLIS-ORD
$1,958
5/17Fri
nonstopTAP AIR PORTUGAL
7h 55mORD-LIS
5/21Tue
multi-stopTAP AIR PORTUGAL
19h 24mLIS-ORD
$2,184

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Flights to Portugal

Return flight deals:

Portugal - Chicago

Cabin classes:

$3,128
$3,912
$461