Cheap flights from Illinois to Lisbon from $195
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Lisbon departing on 9/1. 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 Illinois to Lisbon
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 Lisbon?
In general, February is the cheapest month to fly from Illinois to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $558. If you are unable to visit Lisbon during the month of February, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $589.
What is the cheapest day to depart on your flight to Lisbon?
Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $586. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Lisbon for around $845.
What is the cheapest time of day to depart on your flight to Lisbon?
The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $545. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $817 on average. Flights to Lisbon from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Illinois to Lisbon Humberto Delgado flight route?
Fly from Chicago O'Hare Intl to Lisbon Humberto Delgado for the best Illinois - Lisbon Humberto Delgado flight prices
How far in advance should I book a flight to Lisbon?
You are more likely to see cheaper flights to Lisbon from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $761 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Illinois for as low as $738 on momondo.
What cabin class options are available on Illinois to Lisbon Humberto Delgado flights?
There are 3 cabin classes available to choose from on Illinois to Lisbon Humberto Delgado 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 Illinois to Lisbon Humberto Delgado?
American Airlines, British Airways, and Finnair are the most popular carriers operating from Illinois to Lisbon Humberto Delgado
What airlines fly to Lisbon?
TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Illinois according to our data. TAP AIR PORTUGAL is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 18 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Lisbon on average per week?
4 flights are operational weekly from Illinois to Lisbon as of June 2025. The most popular departure day for this route is Sat, with 50% of flights per week taking off on this day.
Cheap Illinois to Lisbon flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Lisbon
Best Price Found | $195 |
|---|---|
Fastest flight time | 7h 55m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Lisbon | 1 airport |
When did momondo last update prices for flights from Illinois to Lisbon Humberto Delgado Airport?
Prices for flights from Illinois to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights from Illinois to Lisbon Humberto Delgado Airport?
As of June 2025, there are 18 operators available to choose from for flights from Illinois to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Illinois to Lisbon Humberto Delgado Airport?
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 Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado 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 Lisbon Humberto Delgado 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 Illinois to Lisbon?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Lisbon is Boeing 787 Dreamliner, representing 21.96% of all bookings. The subsequent popular models are Airbus A330 at 20.23%, Boeing 787-8 Dreamliner at 19.27%, and Airbus A330-900neo at 17.75%.
Best airlines flying from Illinois to Lisbon
Compare and see reviews for airlines that fly from Illinois to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $444 | Free Cancellation | Rating 7.0 505 reviews | |||
| PriceFrom $463 | Free Cancellation | Rating 7.6 1,294 reviews | |||
| PriceFrom $472 | Free Cancellation | Rating 7.3 1,400 reviews | |||
| PriceFrom $490 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 7.1 1,898 reviews | |||
| PriceFrom $512 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $517 | Free Cancellation | Rating 7.5 1,644 reviews | |||
| PriceFrom $523 | Free Cancellation | Rating 6.6 7,051 reviews | |||
| PriceFrom $527 | Free Cancellation | Rating 7.8 1,365 reviews | |||
| PriceFrom $540 | Free Cancellation | Rating 7.4 8,825 reviews |
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Why should I use momondo to find a flight deal from Illinois to Lisbon?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Lisbon. momondo saves you time and could save you money on your trip.
Can I find flights from Illinois to Lisbon with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Lisbon flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Lisbon?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Lisbon.
I’m not ready to book a flight from Illinois to Lisbon right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Illinois to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.