
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $495 (United Airlines) |
One-way from | $250 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $748 |
Good round-trip deal | $1,625 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Thu 12/11
8:10 am-8:20 am
1 stop15h 10m
Barcelona-El Prat
Thu 12/18
6:50 am-12:10 pm
1 stop14h 20m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Tue 3/24
1:40 pm-6:05 pm
2 stops20h 25m
Barcelona-El Prat
Tue 4/7
7:00 pm-11:40 pm
2 stops37h 40m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 3/18
3:35 pm-1:15 pm
1 stop13h 40m
Barcelona-El Prat
Mon 4/6
3:45 pm-5:50 pm
1 stop35h 05m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Thu 12/11
7:00 am-8:20 am
2 stops16h 20m
Barcelona-El Prat
Tue 12/16
10:30 am-8:54 pm
1 stop19h 24m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Fri 12/5
7:10 am-6:20 pm
2 stops26h 10m
Barcelona-El Prat
Sun 12/14
7:10 pm-9:59 pm
2 stops35h 49m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Fri 3/20
10:55 am-6:20 pm
2 stops23h 25m
Barcelona-El Prat
Tue 4/7
7:00 pm-11:40 pm
2 stops37h 40m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Fri 3/20
10:55 am-6:20 pm
2 stops23h 25m
Barcelona-El Prat
Wed 4/8
7:00 pm-12:16 am
2 stops38h 16m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Fri 1/2
1:35 pm-11:35 am
1 stop13h 00m
Barcelona-El Prat
Sun 1/11
9:20 pm-4:55 pm
1 stop28h 35m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sun 12/7
9:25 am-9:35 am
3 stops39h 10m
Barcelona-El Prat
Tue 12/23
11:55 am-1:20 pm
1 stop34h 25m
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Mon 12/1
7:13 pm-8:20 am
2 stops28h 07m
Barcelona-El Prat
Mon 12/8
6:50 am-9:00 pm
3 stops23h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Seattle to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 4 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, October is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of $391). Flying from Seattle to Barcelona-El Prat Airport in June is currently the most expensive (average of $882). 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.
A simple way to save on the total cost of your ticket is to fly from Seattle to Barcelona-El Prat Airport in the evening. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Seattle to Barcelona-El Prat Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Istanbul (IST) – chosen by Cheapflights users on 75% of 1-stop itineraries from Seattle to Barcelona-El Prat Airport on Cheapflights.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 14h 50m.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 14h 50m.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 58m.
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Entertainment
Food
Comfort
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$389 | Average$618 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$465 | Average$568 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$711 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$492 | Average$802 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$498 | Average$761 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$507 | Average$811 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$769 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$562 | Average$829 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$574 | Average$887 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$590 | Average$866 | FlexibilityNo cancel fee | On-time71% |