$320+ Cheap flights from Illinois to Barcelona-El Prat (BCN)
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Barcelona-El Prat with Cheapflights
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.Cheap flight deals from Illinois to Barcelona-El Prat
Keep the following information in mind while searching for Illinois to Barcelona-El Prat flight deals. Data was last updated June 12, 2025.
Round-trip from | $580 (Gotogate) |
|---|---|
One-way from | $320 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $1,144 |
Good round-trip deal | $557 or less |
Good one-way deal | $472 or less |
Find flight deals from Illinois to Barcelona-El Prat
Cheapest flights from Illinois to Barcelona-El PratExplore the most affordable flight options available from Illinois to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Illinois to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Austrian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Barcelona-El Prat that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Illinois to Barcelona-El Prat Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 9/24
1:30 pm-7:50 am
1 stop11h 20m
Barcelona-El Prat
Wed 10/1
12:10 pm-7:57 pm
1 stop14h 47m
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Tue 9/23
1:30 pm-7:50 am
1 stop11h 20m
Barcelona-El Prat
Tue 10/7
12:10 pm-10:49 am
2 stops29h 39m
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 10/1
9:56 am-10:30 am
1 stop17h 34m
Barcelona-El Prat
Fri 10/10
10:45 am-8:23 pm
1 stop16h 38m
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 10/1
5:55 am-10:30 am
1 stop21h 35m
Barcelona-El Prat
Fri 10/10
10:45 am-8:23 pm
1 stop16h 38m
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Mon 8/4
8:15 am-8:20 am
1 stop17h 05m
Barcelona-El Prat
Wed 8/20
12:10 pm-8:00 pm
1 stop14h 50m
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Fri 10/3
3:30 pm-7:45 pm
1 stop21h 15m
Barcelona-El Prat
Tue 10/7
6:50 am-3:44 pm
2 stops15h 54m
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Tue 8/5
3:45 pm-10:20 am
1 stop11h 35m
Barcelona-El Prat
Wed 8/13
11:05 pm-2:00 pm
1 stop21h 55m
ChicagoBarcelona
MDW - BCN
MDWBCN
Chicago Midway
Sun 8/24
9:31 am-7:15 am
2 stops14h 44m
Barcelona-El Prat
Sun 9/7
6:10 am-6:37 pm
2 stops19h 27m
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 8/13
1:05 pm-9:10 am
2 stops37h 05m
Barcelona-El Prat
Wed 9/3
8:40 pm-6:25 pm
2 stops28h 45m
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Mon 7/21
6:10 pm-10:35 am
1 stop33h 25m
Barcelona-El Prat
Wed 7/30
10:40 pm-3:00 pm
1 stop23h 20m
Best time to book a flight from Illinois to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Barcelona-El Prat Airport
What is the cheapest month to book a flight from Illinois to Barcelona-El Prat Airport?
Currently, January is the cheapest month in which you can book a flight from Illinois to Barcelona-El Prat Airport (average of $523). Flying from Illinois to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,062). 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 IL to BCN?
Find hourly flight availability from Illinois to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from Illinois to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Illinois to Barcelona-El Prat Airport
Explore weekly flight availability from Illinois to Barcelona-El Prat. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from USIL to BCN are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
Rainfall in Barcelona-El Prat by month
Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.
Temperature in Barcelona-El Prat by month
Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Reviews of airlines servicing Barcelona-El Prat
Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated June 12, 2025.
To help decide which airline to fly from Illinois to Barcelona, see what other customers have to say about Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Illinois to Barcelona-El Prat. 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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Alternative routes for Illinois to Barcelona-El Prat
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Illinois to Barcelona-El Prat
Discover the top 10 airlines that operate flights from Illinois to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$226 | Average$614 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$342 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$407 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$401 | Average$785 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$594 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$477 | Average$765 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$478 | Average$647 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$480 | Average$693 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$485 | Average$827 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$495 | Average$816 | FlexibilityNo cancel fee | On-time77% |