$373 Find Cheap Flights from Spain to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Spain to Illinois departing on 9/9. 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
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Spain to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Spain to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Spain to Illinois

Thu, Sep 3 - Thu, Sep 10
TAP AIR PORTUGAL Logo
6:00 am - 12:40 pm
VLC
-
ORD
13h 40m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 11:55 am
ORD
-
VLC
10h 55m
1 stop
$485TAP AIR PORTUGAL
Thu, Sep 10 - Wed, Sep 23
Finnair Logo
7:20 am - 1:20 pm
VLC
-
ORD
13h 00m
1 stop
Finnair Logo
7:15 pm - 8:05 pm
ORD
-
VLC
17h 50m
1 stop
$493Finnair
Tue, Sep 1 - Tue, Sep 8
Aer Lingus Logo
12:40 pm - 7:15 pm
AGP
-
ORD
13h 35m
1 stop
Aer Lingus Logo
3:45 pm - 11:30 am
ORD
-
AGP
12h 45m
1 stop
$500Aer Lingus
Thu, Sep 3 - Wed, Sep 16
Aer Lingus Logo
12:40 pm - 7:15 pm
AGP
-
ORD
13h 35m
1 stop
Aer Lingus Logo
3:45 pm - 11:30 am
ORD
-
AGP
12h 45m
1 stop
$505Aer Lingus
Thu, Oct 22 - Mon, Oct 26
Iberia Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
Iberia Logo
6:40 pm - 12:50 pm
ORD
-
BIO
12h 10m
1 stop
$507Iberia
Thu, Oct 22 - Mon, Oct 26
Iberia Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
Iberia Logo
12:06 pm - 8:30 am
ORD
-
BIO
14h 24m
2 stops
$508Iberia
Mon, Aug 31 - Mon, Sep 14
British Airways Logo
6:15 am - 2:25 pm
VLC
-
ORD
15h 10m
1 stop
British Airways Logo
4:55 pm - 5:00 pm
ORD
-
VLC
17h 05m
1 stop
$511British Airways
Thu, Sep 3 - Mon, Sep 7
British Airways Logo
9:15 am - 2:25 pm
ALC
-
ORD
12h 10m
1 stop
British Airways Logo
4:55 pm - 1:05 pm
ORD
-
ALC
13h 10m
1 stop
$512British Airways
Thu, Aug 27 - Wed, Sep 9
American Airlines Logo
11:45 am - 2:25 pm
MAD
-
ORD
9h 40mnonstop
American Airlines Logo
4:55 pm - 8:20 am
ORD
-
MAD
8h 25mnonstop
$615American Airlines
Thu, Aug 27 - Wed, Sep 9
American Airlines Logo
11:45 am - 2:25 pm
MAD
-
ORD
9h 40mnonstop
American Airlines Logo
4:55 pm - 8:20 am
ORD
-
MAD
8h 25mnonstop
$619American Airlines
Booking Insights

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Illinois?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

The cheapest ticket to Illinois from Spain found in the last 5 days was to Chicago O'Hare Intl Airport, at $514 round-trip. The most popular route is Barcelona-El Prat Airport (BCN) to Chicago O'Hare Intl Airport (ORD) and the cheapest round-trip airline ticket found on this route in the last 5 days was $514.

How much is a flight to Illinois?

The average and cheapest price for all round-trip flights to Illinois from each origin found by users searching on KAYAK in the last month.

A flight to Illinois costs $886 on average. The cheapest price found on KAYAK in the last 2 weeks was $461 for the route Madrid (MAD) to Chicago O'Hare Intl Airport (ORD). The most popular routes on KAYAK are Madrid to Chicago which costs $816 on average, and Barcelona to Chicago, which costs $986 on average.

See prices from:

What is the cheapest month to fly from Spain to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Spain to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Spain to Illinois is April, when tickets cost $497 (return) on average. On the other hand, the most expensive months are July and March, when the average cost of round-trip tickets is $738 and $716 respectively.

What is the cheapest time of day to fly to Illinois?

The average price for all round-trip flights from Spain to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $791 on average. Morning departures are around 3% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $830.

How far in advance should I book a flight from Spain to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Spain to Illinois, you should book around 2 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Which is the cheapest airport to fly into in Illinois?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Illinois is Chicago O'Hare Intl Airport (ORD), with an average flight price of $864.

Find deals

Good to know

Low season

February

Cheapest flight

$373
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Alicante to Chicago

FAQs for booking flights from Spain to Illinois

  • How does KAYAK find such low prices on flights from Spain to Illinois?

    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 Spain to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Spain to Illinois 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 Spain to Illinois?

    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 from Spain to Illinois with an airline and back with another airline.

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

    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 from Spain to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Illinois?

    Based on KAYAK data, the cheapest day to fly to Illinois is Thursday where round-trip tickets can be as cheap as $725. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $1,013 on average.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Illinois
Business Class flights to Illinoisfrom $2,465
Premium Economy Class flights to Illinoisfrom $2,142
Economy Class flights to Illinoisfrom $514