Cheap Flights from St. Louis to Barcelona
Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
St. Louis
RatePunk searches hundreds of travel sites at once for deals on flights to Barcelona
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from St. Louis to Barcelona
Explore current cheapest deals departing from St. Louis to Barcelona
Round trip
Sort by: Cheapest
October 21 - October 27
STL - Barcelona
$900
$763
Round trip
October 13 - October 20
STL - Barcelona
$901
$765
Round trip
October 14 - October 21
STL - Barcelona
$900
$767
Round trip
November 4 - November 11
STL - Barcelona
$744
$771
Round trip
November 11 - November 18
STL - Barcelona
$742
$774
Round trip
December 8 - December 22
STL - Barcelona
$896
$775
Round trip
October 25 - October 30
STL - Barcelona
$913
$777
Round trip
October 6 - October 14
STL - Barcelona
$874
$781
Round trip
October 6 - October 13
STL - Barcelona
$888
$781
Round trip
October 20 - October 30
STL - Barcelona
$889
$785
Round trip
Unlock all 500+ flight deals to Barcelona and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from St. Louis to Barcelona
How much is a round trip from St. Louis to Barcelona
Regular price: $722 - $1,613
Prices are currently within the regular range.
The regular price range for flights from St. Louis to Barcelona is between $722 and $1613. The current lowest deal is $756 with American Airlines for travel from Oct 21-Oct 27.
now $756
Low $722
High $1,613
The cheapest time to fly from St. Louis to Barcelona
The cheapest month to fly from St. Louis to Barcelona is January, with a median price of $447. The most expensive month is October, with a median price of $1082. Prices are generally lower from January to December.
January
Flights from $447
October
Flights from $1,082
Direct flights from St. Louis to Barcelona
United Airlines
Frontier Airlines
American Airlines
Lufthansa
Last-minute flights going from St. Louis to Barcelona
Sat, Jun 20
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
Air Canada
$1,020
$1,358
One-way
Sat, Jun 20
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
United Airlines
$961
$1,539
One-way
Mon, Jun 22
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
Air Canada
$1,020
$1,227
One-way
Tue, Jun 23
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
Air Canada
$1,022
$1,499
One-way
Tue, Jun 23
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
United Airlines
$1,038
$1,566
One-way
Thu, Jun 25
STL - Barcelona
St. Louis (STL) - Barcelona (BCN)
United Airlines
$1,015
$1,565
One-way
Biggest price drops on these dates for flights from St. Louis to Barcelona
Oct 21 - Oct 27
$900 → $756
16%
Oct 13 - Oct 20
$901 → $758
16%
Oct 25 - Oct 30
$913 → $770
16%
Oct 14 - Oct 21
$900 → $760
16%
Popular Airports to fly from St. Louis to Barcelona
St. Louis - Barcelona route insights
💸 Price insights
Recent fares are below the typical level
Recent fares from St. Louis to Barcelona are below the typical level, with a median of $792.
📅 Best time to fly
January offers the lowest median price
Historically, January is the cheapest month to fly, with a median price of $447.
⏱️ Flight duration
Expect a median flight time of 25h 6m
Flights from St. Louis to Barcelona typically take 25 hours and 6 minutes, including layovers.
✈️ Airlines & availability
Connecting flights are dominant for this route
This long-haul route primarily features connecting flights, with a median of 2 stopovers.
🏆 Airline highlight
American Airlines offers a recent deal for $756
A recent deal with American Airlines for $756 is available from October 21-27.
🎯 Booking tip
Deals are frequent, check often
Deals for this route are frequent, with over one deal per day historically.
St. Louis main airports to depart from
St. Louis Lambert International (STL)
St. Louis Lambert International Airport is a good option for flights from St. Louis to Barcelona.
📍 ~20 km from St. Louis (reachable by car or train)
💸 Flights from ~$756
Barcelona main airports to arrive at
Barcelona–El Prat (BCN)
Barcelona–El Prat Airport is the most convenient arrival airport for flights from St. Louis to Barcelona.
📍 ~12 km from city center (reachable by car)
💸 Flights from ~$763
Airports nearby Barcelona used as alternative
Girona–Costa Brava (GRO)
Girona–Costa Brava Airport can be a useful alternative, especially for budget travelers, with good bus and rail connections.
📍 ~75 km from Barcelona (reachable by bus or train)
💸 Flights from ~$851
Reus (REU)
Reus Airport is a reliable secondary option for Barcelona, offering excellent accessibility to southern Catalonia.
📍 ~85 km from Barcelona (reachable by road)
💸 Flights from ~$862
Perpignan–Rivesaltes (PGF)
Perpignan–Rivesaltes Airport is a cross-border alternative, accessible via high-speed rail from Barcelona.
📍 ~150 km from Barcelona (reachable by high-speed rail)
💸 Flights from ~$923
Lleida–Alguaire (ILD)
Lleida–Alguaire Airport offers a regional alternative within Catalonia, though with infrequent flight schedules.
📍 ~135 km from Barcelona (reachable by road)
💸 Flights from ~$986
Castellón–Costa Azahar (CDT)
Castellón–Costa Azahar Airport is an option for the southernmost region, but it is a substantial distance from Barcelona.
📍 ~240 km from Barcelona (reachable by road)
💸 Flights from ~$936
Business & First Class Flight Deals to Barcelona
Discover luxury on the budget with premium cabin class on flights from St. Louis to Barcelona.
Elite
Best Elite deals to Barcelona
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From STL
Elite
Dec 02
Barcelona, Spain
92% AI deal score
$2,540
$1,847
Save $693
From STL
Elite
Jul 29
Barcelona, Spain
92% AI deal score
$2,904
$2,063
Save $841
From STL
Elite
Jul 30
Barcelona, Spain
92% AI deal score
$2,903
$2,163
Save $740
From STL
Elite
Nov 18
Barcelona, Spain
90% AI deal score
$2,237
$1,791
Save $446
From STL
Elite
Jul 16
Barcelona, Spain
90% AI deal score
$2,898
$2,381
Save $517
From STL
Elite
Jul 16
Barcelona, Spain
90% AI deal score
$2,938
$2,381
Save $557
From STL
Elite
Aug 18
Barcelona, Spain
89% AI deal score
$2,510
$2,000
Save $510
From STL
Elite
Aug 19
Barcelona, Spain
84% AI deal score
$2,479
$2,028
Save $451
From STL
Elite
Nov 09
Barcelona, Spain
83% AI deal score
$2,240
$1,947
Save $293
From STL
Elite
Oct 19
Barcelona, Spain
83% AI deal score
$2,520
$2,147
Save $373
From STL
Elite
Nov 25
Barcelona, Spain
82% AI deal score
$2,253
$2,045
Save $208
From STL
Elite
Aug 17
Barcelona, Spain
82% AI deal score
$2,479
$2,138
Save $341
From STL
Elite
Aug 03
Barcelona, Spain
82% AI deal score
$2,477
$2,183
Save $294
From STL
Elite
Jul 02
Barcelona, Spain
81% AI deal score
$4,607
$3,971
Save $636
From STL
Elite
Jul 27
Barcelona, Spain
81% AI deal score
$4,530
$4,003
Save $527
From STL
Elite
Jul 03
Barcelona, Spain
81% AI deal score
$4,610
$4,023
Save $587
From STL
Elite
Nov 28
Barcelona, Spain
81% AI deal score
$2,250
$2,047
Save $203
From STL
Elite
Aug 15
Barcelona, Spain
81% AI deal score
$2,479
$2,208
Save $271
From STL
Elite
Jul 19
Barcelona, Spain
80% AI deal score
$4,526
$4,108
Save $418
From STL
Elite
Jul 27
Barcelona, Spain
80% AI deal score
$4,587
$4,143
Save $444
From STL
Elite
Sep 17
Barcelona, Spain
80% AI deal score
$2,552
$2,347
Save $205
From STL
Elite
Jul 27
Barcelona, Spain
79% AI deal score
$4,526
$4,186
Save $340
From STL
Elite
Jul 27
Barcelona, Spain
79% AI deal score
$4,526
$4,199
Save $327
From STL
Elite
Jul 27
Barcelona, Spain
79% AI deal score
$4,526
$4,224
Save $302
From STL
Elite
Jul 03
Barcelona, Spain
79% AI deal score
$4,554
$4,283
Save $271
From STL
Elite
Jul 03
Barcelona, Spain
79% AI deal score
$4,639
$4,338
Save $301
From STL
Elite
Jul 29
Barcelona, Spain
79% AI deal score
$4,613
$4,345
Save $268
From STL
Elite
Aug 24
Barcelona, Spain
79% AI deal score
$2,481
$2,319
Save $162
From STL
Elite
Aug 22
Barcelona, Spain
79% AI deal score
$2,722
$2,557
Save $165
From STL
Elite
Aug 17
Barcelona, Spain
78% AI deal score
$4,724
$4,505
Save $219
From STL
Elite
Sep 09
Barcelona, Spain
78% AI deal score
$2,534
$2,428
Save $106
From STL
Elite
Aug 22
Barcelona, Spain
78% AI deal score
$2,481
$2,429
Save $52
From STL
Elite
Aug 31
Barcelona, Spain
78% AI deal score
$2,503
$2,431
Save $72
From STL
Elite
Aug 24
Barcelona, Spain
77% AI deal score
$4,450
$4,447
Save $3
From STL
Elite
Aug 17
Barcelona, Spain
77% AI deal score
$4,459
From STL
Elite
Aug 22
Barcelona, Spain
77% AI deal score
$4,481
From STL
Elite
Aug 15
Barcelona, Spain
77% AI deal score
$4,481
From STL
Elite
Jul 29
Barcelona, Spain
77% AI deal score
$4,526
$4,505
Save $21
From STL
Elite
Jul 23
Barcelona, Spain
77% AI deal score
$4,526
$4,505
Save $21
From STL
Elite
Aug 24
Barcelona, Spain
77% AI deal score
$4,522
From STL
Elite
Jul 29
Barcelona, Spain
77% AI deal score
$4,531
From STL
Elite
Aug 17
Barcelona, Spain
77% AI deal score
$4,531
From STL
Elite
Aug 12
Barcelona, Spain
77% AI deal score
$4,547
From STL
Elite
Aug 05
Barcelona, Spain
77% AI deal score
$4,547
From STL
Elite
Jul 16
Barcelona, Spain
77% AI deal score
$4,608
$4,561
Save $47
From STL
Elite
Aug 06
Barcelona, Spain
76% AI deal score
$4,459
From STL
Elite
Aug 08
Barcelona, Spain
76% AI deal score
$4,481
From STL
Elite
Aug 06
Barcelona, Spain
76% AI deal score
$4,505
From STL
Elite
Aug 08
Barcelona, Spain
76% AI deal score
$4,527
From STL
Elite
Aug 06
Barcelona, Spain
76% AI deal score
$4,531
From STL
Elite
Aug 21
Barcelona, Spain
76% AI deal score
$4,816
From STL
Elite
Aug 09
Barcelona, Spain
76% AI deal score
$5,073
From STL
Elite
Aug 15
Barcelona, Spain
76% AI deal score
$5,073
From STL
Elite
Aug 22
Barcelona, Spain
76% AI deal score
$2,551
From STL
Elite
Aug 28
Barcelona, Spain
76% AI deal score
$2,564
From STL
Elite
Aug 22
Barcelona, Spain
76% AI deal score
$2,566
From STL
Elite
Aug 22
Barcelona, Spain
76% AI deal score
$2,577
From STL
Elite
Aug 22
Barcelona, Spain
76% AI deal score
$2,577
From STL
Elite
Aug 22
Barcelona, Spain
76% AI deal score
$2,577
From STL
Elite
Dec 04
Barcelona, Spain
76% AI deal score
$2,856
From STL
Elite
Dec 10
Barcelona, Spain
76% AI deal score
$2,856
From STL
Elite
Oct 07
Barcelona, Spain
76% AI deal score
$2,956
From STL
Elite
Aug 22
Barcelona, Spain
75% AI deal score
$5,204
From STL
Elite
Sep 16
Barcelona, Spain
75% AI deal score
$6,010
From STL
Elite
Nov 19
Barcelona, Spain
75% AI deal score
$2,856
From STL
Elite
Oct 29
Barcelona, Spain
75% AI deal score
$3,037
From STL
Elite
Sep 29
Barcelona, Spain
75% AI deal score
$3,156
From STL
Elite
Sep 06
Barcelona, Spain
74% AI deal score
$6,336
From STL
Elite
Oct 11
Barcelona, Spain
74% AI deal score
$6,420
From STL
Elite
Nov 13
Barcelona, Spain
74% AI deal score
$6,421
From STL
Elite
Oct 30
Barcelona, Spain
74% AI deal score
$3,465
From STL
Elite
Oct 13
Barcelona, Spain
74% AI deal score
$3,544
From STL
Elite
Oct 25
Barcelona, Spain
74% AI deal score
$3,648
From STL
Elite
Aug 31
Barcelona, Spain
73% AI deal score
$6,158
From STL
Elite
Sep 19
Barcelona, Spain
73% AI deal score
$6,798
From STL
Elite
Oct 10
Barcelona, Spain
73% AI deal score
$3,694
From STL
Elite
Oct 17
Barcelona, Spain
73% AI deal score
$3,694
From STL
Elite
Sep 28
Barcelona, Spain
73% AI deal score
$3,865
From STL
Elite
Sep 23
Barcelona, Spain
72% AI deal score
$7,157
From STL
Elite
Oct 03
Barcelona, Spain
70% AI deal score
$8,915
From STL
Elite
Oct 27
Barcelona, Spain
70% AI deal score
$5,485
From STL
Elite
Aug 26
Barcelona, Spain
69% AI deal score
$8,555
From STL
Elite
Jul 07
Barcelona, Spain
68% AI deal score
$11,666
From STL
Elite
Nov 04
Barcelona, Spain
68% AI deal score
$41,391
From STL
Elite
Nov 11
Barcelona, Spain
68% AI deal score
$41,689
From STL
Elite
Nov 04
Barcelona, Spain
68% AI deal score
$41,689
From STL
Elite
Nov 13
Barcelona, Spain
68% AI deal score
$41,689
From STL
Elite
Nov 16
Barcelona, Spain
68% AI deal score
$41,689
From STL
Elite
Nov 04
Barcelona, Spain
68% AI deal score
$41,689
From STL
Elite
Nov 15
Barcelona, Spain
68% AI deal score
$41,712
From STL
Elite
Nov 02
Barcelona, Spain
68% AI deal score
$41,723
From STL
Elite
Nov 02
Barcelona, Spain
68% AI deal score
$42,021
From STL
Elite
Nov 02
Barcelona, Spain
68% AI deal score
$42,021