Cheap flights from Lisbon to Illinois from $314
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Illinois departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Lisbon to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Lisbon is in February. Flight prices, which tend to average around $634, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $700.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Lisbon to Illinois is on a Tuesday when prices can be found for as low as $615. Flights from Lisbon to Illinois on a Wednesday will generally be more expensive and average around $1,145. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Lisbon to Illinois during this time can be as low as $622. Flights at noon are often more expensive with an average ticket price of $1,005.
What is the cheapest Lisbon Humberto Delgado to Illinois flight route?
Fly from Lisbon Humberto Delgado to Chicago O'Hare Intl for the best Lisbon Humberto Delgado - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Lisbon when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $874 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Lisbon for as low as $649 on momondo.
What cabin class options are available on Lisbon Humberto Delgado to Illinois flights?
There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lisbon Humberto Delgado to Illinois?
TAP AIR PORTUGAL, Aer Lingus, and Air Serbia are the most popular carriers operating from Lisbon Humberto Delgado to Illinois
What airlines fly to Illinois?
United Airlines, TAP AIR PORTUGAL and Aer Lingus are the top three most popular airlines that fly to Illinois from Lisbon according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Lisbon to Illinois on average per week?
The number of flights available between Lisbon and Illinois is 6 per week as of May 2025. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.
Cheap Lisbon to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Lisbon to Illinois
Best Price Found | $314 |
|---|---|
Fastest flight time | 9h 10m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Illinois | 3 airports |
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Illinois?
Prices for flights from Lisbon Humberto Delgado Airport to Illinois are updated daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Illinois?
As of May 2025, there are 5 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Illinois.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Illinois?
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 Lisbon Humberto Delgado Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Lisbon to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Lisbon to Illinois is Airbus A330-900neo, representing 50.00% of all bookings. The subsequent popular models are Airbus A330 at 44.83% and Airbus A330-200 at 5.17%.
Best airlines flying from Lisbon to Illinois
Compare and see reviews for airlines that fly from Lisbon to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $579 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.1 1,852 reviews | |||
| PriceFrom $650 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Lisbon to Illinois?
Finding the right flight to Illinois from Lisbon 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 Illinois quick and easy, saving you time and money.
Can I find flights from Lisbon to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Lisbon with this policy.
How can momondo help me find flights from Lisbon to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Lisbon.
I’m not ready to book a flight from Lisbon to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Lisbon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.