Cheap flights from Chicago to Barcelona from $363 MDW, ORD, RFD → BCN
Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → Barcelona-El Prat Airport (BCN)
The cheapest return found recently is $879 with United Airlines, 14 Dec – 21 Dec, found today. The cheapest one-way found recently is $363 with United Airlines, 19 Sept 2027, found yesterday.
- Cheapest one-way found recently
- $363, found yesterday
- Cheapest return found recently
- $879, 14 Dec to 21 Dec
- Usual return price
- $950 to $1,278
- Cheapest month to fly
- January 2027, return fares from $672 found in the last 7 days
Return
The cheapest return fare on each of 6 departure dates is usually $950 to $1,278.
Cheapest return found recently
$879
14 Dec – 21 Dec · United Airlines
O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN)
Leaves 2:30 p.m. · Return leaves 7:55 p.m. · 38 h 50 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$879 14 Dec – 21 Decfound todaySee prices for these dates
$672 13 Jan 2027 – 23 Jan 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $577 to $829.
At $879, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 12 Dec to 13 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 14 Dec to compare.
Every date we hold
10 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Dec – 3 Jan 2027 | $1,288 | United Airlines | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 13 Dec – 3 Jan 2027 | $1,164 | Icelandair | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 14 Dec – 21 Dec | $879 | United Airlines | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 16 Dec – 3 Jan 2027 | $1,249 | Frontier Airlines | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 19 Dec – 2 Jan 2027 | $3,496 | Frontier Airlines | Chicago Midway International Airport (MDW) → Barcelona-El Prat Airport (BCN) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 13 Jan 2027 – 23 Jan 2027 | $672 | TAP Air Portugal | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $672.
Airlines on the cheapest dates: United Airlines, Frontier Airlines, Icelandair, TAP Air Portugal.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$363
19 Sept 2027 · United Airlines
O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN)
Leaves 9:30 p.m. · 28 h 50 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$363 19 Sept 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 41 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $328 to $927.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 19 Sept 2027 to compare.
Every date we hold
7 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Feb 2027 | $382 | TAP Air Portugal | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | 1 stop | found yesterday | Open this trip |
| 19 Sept 2027 | $363 | United Airlines | O'Hare International Airport (ORD) → Barcelona-El Prat Airport (BCN) | 1 stop | found yesterday | Open this trip |
Which month looks cheapest?
September 2027 is the cheapest month — from $363.
Airlines on the cheapest dates: TAP Air Portugal, United Airlines.
Premium cabin fares from Chicago to Barcelona
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 14 Dec – 21 Dec in another cabin: Premium economy · Business · First
Today's prices for 19 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Chicago to Barcelona?
Return
Fares 60 to 89 days before departure were typically 28% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $985 | $870 | +40% | 17 |
| 7–13 days | $931 | $633 | +32% | 12 |
| 14–29 days | $802 | $577 | +14% | 24 |
| 30–59 days | $736 | $625 | +4% | 32 |
| 60–89 days | $705 | $616 | Cheapest seen | 21 |
| 90–179 days | $715 | $655 | +1% | 27 |
| 180+ days | $784 | $760 | +11% | 19 |
One-way
Fares 180 or more days before departure were typically 17% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (41 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $410 | $346 | +21% | 25 |
| 90–179 days | $363 | $334 | +7% | 20 |
| 180+ days | $339 | $338 | Cheapest seen | 26 |
Live price for these dates
The cheapest return found recently is for 14 Dec – 21 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Chicago to Barcelona?
The cheapest return found recently is $879 with United Airlines, 14 Dec to 21 Dec, found today. The cheapest return we hold, of any age, is $672 with TAP Air Portugal, 13 Jan 2027 to 23 Jan 2027, found 4 days ago. The cheapest return fare on each of 6 departure dates is usually $950 to $1,278.
How much is a one-way flight from Chicago to Barcelona?
The cheapest one-way found recently is $363 with United Airlines, 19 Sept 2027, found yesterday.
What is the cheapest month to fly from Chicago to Barcelona?
January 2027 is the cheapest month for a return, from $672, 13 Jan 2027 to 23 Jan 2027, found 4 days ago. September 2027 is the cheapest month for a one-way, from $363, 19 Sept 2027, found yesterday.
How far ahead should I book a flight from Chicago to Barcelona?
In 50 days of prices between 24 Sept and 12 Nov, return fares 60 to 89 days before departure were typically 28% lower than 0 to 6 days before departure. In 41 days of prices between 24 Sept and 12 Nov, one-way fares 180 or more days before departure were typically 17% lower than 30 to 59 days before departure.
How long is the flight from Chicago to Barcelona?
The cheapest one-way found recently, with United Airlines on 19 Sept 2027, takes 28 h 50 min with 1 stop.
Which airlines have the cheapest flights from Chicago to Barcelona?
Between 12 Dec and 13 Jan 2027, United Airlines has the cheapest return on 2 of the 6 departure dates we hold, Frontier Airlines on 2 and Icelandair on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work