Question 1

How far in advance should I book a flight to Lisbon?

Accepted Answer

You are more likely to see cheaper flights to Lisbon from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $768 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Chicago O'Hare Intl Airport for as low as $694 on momondo.

Question 2

Which airline has the best punctuality record on Chicago to Lisbon flights?

Accepted Answer

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 42% of their flights experiencing any sort of delay.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Question 4

How many flights depart from Chicago O'Hare Intl Airport to Lisbon on average per week?

Accepted Answer

As of December 2025, 2 flights take off from Chicago O'Hare Intl Airport and land in Lisbon each week. The most common flight departure day for this route is Wed, with 100% of weekly flights taking off on this day.

Question 5

What cabin class options are available on Chicago O'Hare Intl to Lisbon Humberto Delgado flights?

Accepted Answer

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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.

Question 6

What is the cheapest day to depart on your flight to Lisbon?

Accepted Answer

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 Chicago O'Hare Intl Airport to Lisbon for around $805.

Question 7

What is the most punctual flight time for Chicago to Lisbon flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 8

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Lisbon?

Accepted Answer

Toronto (YYZ) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Question 9

How have Chicago O'Hare Intl Airport to Lisbon flight prices changed over time?

Accepted Answer

As of December 2025, prices for Chicago O'Hare Intl Airport to Lisbon flights are approximately 44% more expensive when compared to flights at the same time last year.

Question 10

What airlines fly to Lisbon?

Accepted Answer

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Chicago O'Hare Intl Airport according to our data. TAP AIR PORTUGAL is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 17 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Question 11

How often are flights from Chicago to Lisbon delayed?

Accepted Answer

Historically, on average around 42% of flights between Chicago and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Question 12

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Lisbon?

Accepted Answer

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 55m.

Question 13

What is the cheapest month to fly to Lisbon?

Accepted Answer

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $561. If you are unable to visit Lisbon during the month of January, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $570.

Question 14

Can stopping save me money on Chicago O'Hare Intl Airport to Lisbon flights?

Accepted Answer

You could potentially save up to 44% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Lisbon flight.

Question 15

What is the cheapest Chicago O'Hare Intl to Lisbon Humberto Delgado flight route?

Accepted Answer

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

Question 16

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Lisbon?

Accepted Answer

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $391.

Question 17

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Lisbon?

Accepted Answer

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 29m.

Question 18

What is the cheapest time of day to depart on your flight to Lisbon?

Accepted Answer

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $571. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $797 on average. Flights to Lisbon from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 19

What is the cheapest airline that flies from Chicago O'Hare Intl to Lisbon Humberto Delgado?

Accepted Answer

Scandinavian Airlines is the most popular carrier operating from Chicago O'Hare Intl to Lisbon Humberto Delgado

Question 20

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

Prices for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport refresh daily.

Question 21

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

The number of operators available for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport is 17 as of December 2025.

Question 22

How old do you have to be to fly from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

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 Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport.

Question 23

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

Accepted Answer

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.

Best Price Found	$382
Fastest flight time	7h 55m
Direct flights	Mon, Thu, Sat and Sun
Airports in Lisbon	1 airport

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $369	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $396	Free Cancellation	Rating 7.0 584 reviews	Search Icelandair flights
Lufthansa	PriceFrom $441	Free Cancellation	Rating 6.8 7,612 reviews	Search Lufthansa flights
Air France	PriceFrom $470	Free Cancellation	Rating 7.4 1,500 reviews	Search Air France flights
TAP AIR PORTUGAL	PriceFrom $489	Free Cancellation	Rating 7.1 2,081 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $489	Free Cancellation	Rating 7.5 1,801 reviews	Search SWISS flights
Aer Lingus	PriceFrom $494	Free Cancellation	Rating 7.2 1,384 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $505	Free Cancellation	Rating 7.2 11,044 reviews	Search American Airlines flights
KLM	PriceFrom $527	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,066 reviews	Search United Airlines flights

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What is the cheapest month to fly to Lisbon?

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 Chicago O'Hare Intl Airport to Lisbon for around $805.

What is the cheapest time of day to depart on your flight to Lisbon?

What is the cheapest Chicago O'Hare Intl to Lisbon Humberto Delgado flight route?

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

How far in advance should I book a flight to Lisbon?

What cabin class options are available on Chicago O'Hare Intl to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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.

Can stopping save me money on Chicago O'Hare Intl Airport to Lisbon flights?

You could potentially save up to 44% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Lisbon flight.

How have Chicago O'Hare Intl Airport to Lisbon flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Lisbon flights are approximately 44% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago O'Hare Intl to Lisbon Humberto Delgado?

Scandinavian Airlines is the most popular carrier operating from Chicago O'Hare Intl to Lisbon Humberto Delgado

What airlines fly to Lisbon?

How often are flights from Chicago to Lisbon delayed?

Historically, on average around 42% of flights between Chicago and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

What is the most punctual flight time for Chicago to Lisbon flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Lisbon flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 42% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Lisbon?

Toronto (YYZ) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Lisbon?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $391.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Lisbon?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 55m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Lisbon?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 29m.

How many flights depart from Chicago O'Hare Intl Airport to Lisbon on average per week?

As of December 2025, 2 flights take off from Chicago O'Hare Intl Airport and land in Lisbon each week. The most common flight departure day for this route is Wed, with 100% of weekly flights taking off on this day.

When to book flights from Chicago O'Hare Intl Airport to Lisbon

Cheap Chicago O'Hare Intl Airport to Lisbon (ORD to LIS) flight deals and tips

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How far is Chicago O'Hare Intl to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular plane model from Chicago O'Hare Intl Airport to Lisbon?

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