What are the cheapest airlines flying from Lisbon to Chicago O'Hare Intl Airport round-trip?

Flying on United Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $667. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $674 and $678, respectively. Users have found that United Airlines is 23% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Lisbon to Chicago O'Hare Intl Airport one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $534. Aer Lingus flights start at $550 while deals on JetBlue start at $602 one-way.

What is the cheapest day to fly from Lisbon to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Lisbon to Chicago O'Hare Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Lisbon to Chicago O'Hare Intl Airport?

While on average a flight from Lisbon to Chicago O'Hare Intl Airport is generally $705, our data shows the cheapest flight currently is $521. When looking at the most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), you can expect to pay $668 for that flight.

What are the most popular airlines that fly from Lisbon to Chicago O'Hare Intl Airport?

Delta, Aer Lingus and TAP AIR PORTUGAL are the most popular airlines when flying from Lisbon to Chicago O'Hare Intl Airport.

What is the cheapest day to fly round-trip from Lisbon to Chicago O'Hare Intl Airport?

Users have found that flying from Lisbon to Chicago O'Hare Intl Airport on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Travelers have found it’s best to book a flight 34 days in advance to save up to 62% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Lisbon to Chicago O'Hare Intl Airport 1-2 weeks in advance for as low as $596, or $839 for flights within the next 24 hours.

What is the cheapest month to fly from Lisbon to Chicago O'Hare Intl Airport?

Our data shows that February tends to be the cheapest month to fly to Chicago O'Hare Intl Airport from Lisbon. Users have commonly found prices around $812 for the month, but tickets can be as low as $596. Due to multiple factors, prepare for potentially higher prices in July.

Most accurate provider : When it comes to deals on Lisbon-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Lisbon to Chicago O'Hare Intl?

Lisbon Humberto Delgado (LIS) is the airport you will fly out of if you book a flight from Lisbon to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Humberto Delgado; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Lisbon airport to Chicago O'Hare Intl. It is only a 4.2 mi journey to Humberto Delgado (LIS) from Lisbon’s city center.

Can I find deals for flights from Lisbon to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Lisbon to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lisbon to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to O'Hare Intl.

Can I find deals for business class flights from Lisbon to O'Hare Intl?

Yes. Cheapflights offers flight deals from Lisbon to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$301+ Flights from Lisbon to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Chicago O'Hare Intl are usually found in December or April, booked 44 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Lisbon to O'Hare Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$667 (United Airlines)
One-way from	$301 (Kiwi.com)
Popular in	July
Cheapest in	December
Average price	$746
Good one-way deal	$620 or less

Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago O'Hare Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago O'Hare Intl flights.

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From Lisbon Humberto Delgado to Chicago O'Hare Intl

Search Deals

One-way flight from Lisbon Humberto Delgado to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a one-way flight from Lisbon Humberto Delgado to Chicago O'Hare Intl.

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Find flight deals from Lisbon to O'Hare Intl

Cheapest flights from Lisbon to O'Hare Intl
Explore the most affordable flight options available from Lisbon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Thu 4/2412:50 pmLIS - ORD

2 stops53h 13mUnited Airlines

Sun 4/2711:15 amORD - LIS

1 stop17h 15mUnited Airlines

Deal found 4/15

$667

Fri 5/306:35 amLIS - ORD

1 stop13h 40mMultiple Airlines

Fri 6/68:40 pmORD - LIS

2 stops20h 30mMultiple Airlines

Deal found 4/14

$668

Thu 4/245:00 amLIS - ORD

1 stop15h 10mDelta

Mon 4/285:05 pmORD - LIS

2 stops18h 45mDelta

Deal found 4/15

$675

Thu 4/247:30 pmLIS - ORD

1 stop24h 40mKLM

Sun 4/274:20 pmORD - LIS

1 stop20h 20mKLM

Deal found 4/15

$680

Tue 5/67:15 amLIS - ORD

1 stop13h 25mAmerican Airlines

Tue 5/1310:25 pmORD - LIS

1 stop13h 30mAmerican Airlines

Deal found 4/15

$695

Tue 4/296:35 amLIS - ORD

1 stop13h 40mBritish Airways

Mon 5/57:15 pmORD - LIS

1 stop21h 55mBritish Airways

Deal found 4/15

$720

Tue 4/296:35 amLIS - ORD

1 stop13h 40mFinnair

Thu 5/154:44 pmORD - LIS

2 stops48h 26mFinnair

Deal found 4/15

$724

Fri 5/98:15 pmLIS - ORD

1 stop22h 55mITA Airways

Sat 5/173:00 pmORD - LIS

1 stop33h 55mITA Airways

Deal found 4/15

$733

Wed 4/2311:25 amLIS - ORD

2 stops26h 37mAir Canada

Sun 5/189:05 pmORD - LIS

1 stop32h 00mAir Canada

Deal found 4/15

$796

Thu 5/15:55 amLIS - ORD

1 stop16h 00mSWISS

Fri 5/96:35 pmORD - LIS

1 stop22h 45mSWISS

Deal found 4/15

$804

Wed 6/255:55 amLIS - ORD

1 stop33h 45mTurkish Airlines

Sun 6/2911:25 amORD - LIS

1 stop22h 05mTurkish Airlines

Deal found 4/15

$839

Wed 5/1410:05 pmLIS - ORD

2 stops24h 55mIberia

Thu 5/222:55 pmORD - LIS

1 stop12h 10mIberia

Deal found 4/15

$882

Best flights from Lisbon to O'Hare Intl
Discover carefully curated flight deals from Lisbon to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Thu 4/2412:50 pmLIS - ORD

2 stops53h 13mUnited Airlines

Sun 4/2711:15 amORD - LIS

1 stop17h 15mUnited Airlines

Deal found 4/15

$667

Fri 5/306:35 amLIS - ORD

1 stop13h 40mMultiple Airlines

Fri 6/68:40 pmORD - LIS

2 stops20h 30mMultiple Airlines

Deal found 4/14

$668

Wed 4/235:00 amLIS - ORD

1 stop15h 40mDelta

Wed 5/1410:31 amORD - LIS

2 stops16h 19mDelta

Deal found 4/14

$674

Tue 5/275:00 amLIS - ORD

1 stop15h 10mKLM

Tue 6/32:15 pmORD - LIS

1 stop14h 30mKLM

Deal found 4/14

$678

Tue 5/67:15 amLIS - ORD

1 stop13h 25mAmerican Airlines

Tue 5/1310:25 pmORD - LIS

1 stop13h 30mAmerican Airlines

Deal found 4/15

$695

Fri 6/610:15 pmLIS - ORD

1 stop21h 45mAer Lingus

Sat 6/143:45 pmORD - LIS

1 stop12h 30mAer Lingus

Deal found 4/14

$702

Thu 5/296:35 amLIS - ORD

1 stop13h 40mBritish Airways

Thu 6/55:00 pmORD - LIS

1 stop24h 05mBritish Airways

Deal found 4/14

$719

Fri 5/238:45 pmLIS - ORD

1 stop23h 30mIberia

Mon 6/2310:15 pmORD - LIS

1 stop19h 10mIberia

Deal found 4/14

$722

Tue 4/296:35 amLIS - ORD

1 stop13h 40mFinnair

Thu 5/154:44 pmORD - LIS

2 stops48h 26mFinnair

Deal found 4/15

$724

Fri 5/98:15 pmLIS - ORD

1 stop22h 55mITA Airways

Sat 5/173:00 pmORD - LIS

1 stop33h 55mITA Airways

Deal found 4/15

$733

Wed 4/2311:25 amLIS - ORD

2 stops26h 37mAir Canada

Sun 5/189:05 pmORD - LIS

1 stop32h 00mAir Canada

Deal found 4/15

$796

Thu 5/15:55 amLIS - ORD

1 stop16h 00mSWISS

Fri 5/96:35 pmORD - LIS

1 stop22h 45mSWISS

Deal found 4/15

$804

Last-minute flights from Lisbon to O'Hare Intl
Discover last-minute flight deals from Lisbon to O'Hare Intl. Data last updated April 15, 2025 and is based on user searches.

Sun 4/206:15 amLIS - ORD

1 stop13h 40mLufthansa

Mon 5/125:50 pmORD - LIS

1 stop22h 00mLufthansa

Deal found 4/15

$1,006

Sun 4/205:55 amLIS - ORD

1 stop16h 00mSWISS

Thu 5/153:45 pmORD - LIS

1 stop25h 35mSWISS

Deal found 4/15

$1,010

Wed 4/2311:25 amLIS - ORD

2 stops26h 37mAir Canada

Sun 5/189:05 pmORD - LIS

1 stop32h 00mAir Canada

Deal found 4/15

$796

Wed 4/2311:05 amLIS - ORD

1 stop17h 42mIberia

Wed 4/3010:10 pmORD - LIS

1 stop27h 35mIberia

Deal found 4/15

$923

Thu 4/2412:50 pmLIS - ORD

2 stops53h 13mUnited Airlines

Sun 4/2711:15 amORD - LIS

1 stop17h 15mUnited Airlines

Deal found 4/15

$667

Thu 4/2411:40 amLIS - ORD

1 stop32h 30mMultiple Airlines

Mon 4/285:10 pmORD - LIS

1 stop12h 05mMultiple Airlines

Deal found 4/15

$674

Thu 4/245:00 amLIS - ORD

1 stop15h 10mDelta

Mon 4/285:05 pmORD - LIS

2 stops18h 45mDelta

Deal found 4/15

$675

Thu 4/247:30 pmLIS - ORD

1 stop24h 40mKLM

Sun 4/274:20 pmORD - LIS

1 stop20h 20mKLM

Deal found 4/15

$680

Thu 4/2411:05 amLIS - ORD

1 stop17h 42mAmerican Airlines

Fri 5/1610:25 pmORD - LIS

1 stop18h 45mAmerican Airlines

Deal found 4/15

$696

Thu 4/2411:05 amLIS - ORD

1 stop33h 58mBritish Airways

Fri 5/27:15 pmORD - LIS

1 stop21h 55mBritish Airways

Deal found 4/15

$727

Fri 4/257:20 amLIS - ORD

1 stop15h 40mFinnair

Thu 5/154:44 pmORD - LIS

2 stops48h 26mFinnair

Deal found 4/15

$957

Fri 4/258:15 pmLIS - ORD

2 stops27h 40mITA Airways

Sat 5/173:00 pmORD - LIS

1 stop33h 55mITA Airways

Deal found 4/15

$973

One-way flights from Lisbon to O'Hare Intl
Search for one-way flight options from Lisbon to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Wed 5/79:10 pmLIS - ORD

2 stops40h 17mMultiple Airlines

Deal found 4/14

$301

Wed 4/3012:55 pmLIS - ORD

Nonstop9h 15mTAP AIR PORTUGAL

Deal found 4/15

$534

Fri 5/210:15 pmLIS - ORD

1 stop21h 45mAer Lingus

Deal found 4/15

$550

Wed 4/3012:55 pmLIS - ORD

Nonstop9h 15mJetBlue

Deal found 4/14

$602

Sun 6/14:30 pmLIS - ORD

1 stop23h 10mTurkish Airlines

Deal found 4/15

$609

Thu 6/54:10 pmLIS - ORD

2 stops53h 00mLOT

Deal found 4/15

$628

Sat 5/37:10 amLIS - ORD

2 stops17h 05mIcelandair

Deal found 4/14

$647

Sun 5/256:35 amLIS - ORD

1 stop18h 15mFinnair

Deal found 4/15

$670

Fri 6/137:20 amLIS - ORD

1 stop16h 55mBritish Airways

Deal found 4/14

$677

Sun 6/86:35 amLIS - ORD

1 stop13h 40mIberia

Deal found 4/14

$678

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 5/30

6:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Fri 6/6

8:40 pm-11:10 pm

2 stops20h 30m

$668

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 5/24

5:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 5/30

4:20 pm-6:40 pm

1 stop20h 20m

$680

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 5/24

5:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 5/30

10:31 am-10:55 am

2 stops18h 24m

$688

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 5/6

7:15 am-2:40 pm

1 stop13h 25m

Chicago O'Hare Intl

Tue 5/13

10:25 pm-5:55 pm

1 stop13h 30m

$695

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 4/29

6:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Wed 5/14

4:44 pm-2:05 pm

2 stops15h 21m

$720

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 4/29

6:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 5/15

4:44 pm-11:10 pm

2 stops48h 26m

$724

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 5/9

8:15 pm-1:10 pm

1 stop22h 55m

Chicago O'Hare Intl

Sat 5/17

3:00 pm-6:55 am

1 stop33h 55m

$733

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 5/21

6:15 am-1:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Tue 5/27

4:00 pm-8:20 am

1 stop10h 20m

$777

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 4/29

11:25 am-8:02 am

1 stop26h 37m

Chicago O'Hare Intl

Sun 5/25

5:55 pm-11:05 am

1 stop11h 10m

$796

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 5/1

5:55 am-3:55 pm

1 stop16h 00m

Chicago O'Hare Intl

Fri 5/9

6:35 pm-11:20 pm

1 stop22h 45m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 27 results

Compare providers for flights from Lisbon to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to O'Hare Intl in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Lisbon-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Lisbon with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Lisbon to Chicago O'Hare Intl Airport?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Lisbon to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Lisbon to Chicago O'Hare Intl Airport (average of $245). Flying from Lisbon to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to ORD?

A simple way to save on the total cost of your ticket is to fly from Lisbon to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Delta, KLM and LOT from Lisbon to Chicago. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,918 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT

7.6

Good

1,065 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from Lisbon to Chicago O'Hare Intl?
Lisbon Humberto Delgado (LIS) is the airport you will fly out of if you book a flight from Lisbon to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Humberto Delgado; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Lisbon airport to Chicago O'Hare Intl. It is only a 4.2 mi journey to Humberto Delgado (LIS) from Lisbon’s city center.
What are the cheapest airlines flying from Lisbon to Chicago O'Hare Intl Airport round-trip?
Flying on United Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $667. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $674 and $678, respectively. Users have found that United Airlines is 23% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lisbon to Chicago O'Hare Intl Airport one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $534. Aer Lingus flights start at $550 while deals on JetBlue start at $602 one-way.
What are the cheapest flights from Lisbon to Chicago O'Hare Intl Airport?
While on average a flight from Lisbon to Chicago O'Hare Intl Airport is generally $705, our data shows the cheapest flight currently is $521. When looking at the most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), you can expect to pay $668 for that flight.
Can I find deals for flights from Lisbon to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Lisbon to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to O'Hare Intl.
Can I find deals for business class flights from Lisbon to O'Hare Intl?
Yes. Cheapflights offers flight deals from Lisbon to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Lisbon to Chicago O'Hare Intl Airport (average of $245). Flying from Lisbon to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from Lisbon to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$579	Average$713	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$580	Average$1,005	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$650	Average$696	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$716	Average$798	FlexibilityNo cancel fee	On-time69%

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$301+ Cheap flights from Lisbon (LIS) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Chicago O'Hare Intl are usually found in December or April, booked 44 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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Cheapest flights from Lisbon to O'Hare IntlExplore the most affordable flight options available from Lisbon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Lisbon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to O'Hare Intl in April.

Best time to book a flight from Lisbon to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Lisbon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Lisbon to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to O'Hare Intl. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Lisbon to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from LIS to ORD?

Find hourly flight availability from Lisbon to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Delta, KLM and LOT from Lisbon to Chicago. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 4 airlines flying from Lisbon to O'Hare Intl

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Cheapest flights from Lisbon to O'Hare Intl
Explore the most affordable flight options available from Lisbon to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.