Cheap flights from Seattle (SEA) to Barcelona (BCN)

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The best prices from Seattle to Barcelona are usually found in April or August, booked 45 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Seattle (SEA) to Barcelona (BCN)

All the information you need to plan the best SEA to BCN flight in 2021: compare Seattle to Barcelona flight prices with the expected peak season, weather and rainfall in Barcelona.
SEA - S37
Price
$635 - $1,208
S37
Temperature
57.2 - 84.2 °F
S37
Rainfall
0.9 - 3.3 inches

Popular in

December

High demand for flights, 35% potential price rise

Cheapest in

April

Best time to find cheap flights, 19% potential price drop

Round-trip from

$635

From Seattle to Barcelona

One-way from

$353

One-way flight from Seattle to Barcelona

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Barcelona?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Barcelona. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to Barcelona?

Travelers have found it’s best to book a flight 35 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Barcelona 1-2 weeks in advance for as low as $801, or $850 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Barcelona?

Flights from Seattle to Barcelona lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Barcelona in November, with the cheapest ticket starting at $455.

When is the cheapest time to fly from Seattle to Barcelona (SEA - S37)?

One of the essential ways to save on airfare from Seattle to Barcelona is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

Cheap flights from Seattle to Barcelona in June, July 2021

The best prices found for SEA to BCN flights for June, July
29 Jul - 20 Aug
$773pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Jul - 22 Aug
$774pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
26 Jul - 25 Aug
$775pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Barcelona 2021 flight deals

Cheap flights to Barcelona from Seattle found for this year
17 Sep - 24 Sep
$553pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Sep - 21 Sep
$555pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Sep - 22 Sep
$556pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Barcelona

Late deals on round-trip flights to Barcelona from Seattle, departing today and this week
27 Jun - 4 Jul
$1,206pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Jul - 9 Jul
$1,225pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Jul - 9 Jul
$1,229pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Barcelona from Seattle

The cheapest one-way flights from Seattle to Barcelona
9:40 am - 6:40 am
Multiple Airlines
2 Stops
36h 00m
SEA - BCN
Multiple Airlines
$353
Kiwi.com
5:50 pm - 6:40 am
Multiple Airlines
2 Stops
51h 50m
SEA - BCN
Multiple Airlines
$371
Kiwi.com
7:58 pm - 6:35 am
Multiple Airlines
2 Stops
25h 37m
SEA - BCN
Multiple Airlines
$472
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Barcelona</span> flights.

Flight FAQs

From Seattle to Barcelona

Are flight prices decreasing from Seattle to Barcelona due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Barcelona for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Barcelona to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to Barcelona. Policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Barcelona have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Barcelona have new flexible policies in place due to COVID-19. British Airways, Delta, and Lufthansa are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

What airport do you fly from for flights from Seattle to Barcelona?

For a flight from Seattle to Barcelona, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Barcelona per day. 16 airlines have flights to Barcelona from Seattle/Tacoma Intl on a regular basis.

Can I find flights from Seattle to Barcelona for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Barcelona for under $600. The cheapest flight booked recently is on Multiple Airlines for just $553, but on average you can expect to pay $592.

Are there nonstop flights from Seattle to Barcelona for under $600 on Cheapflights?

There are no nonstop flights from Seattle to Barcelona, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Seattle to Barcelona for under $1,300?

There are currently 20+ open flights from Seattle to Barcelona within the next 7 days for less than $1,300.

Is Seattle weather warmer or cooler than Barcelona?

Temperatures around the 84 °F's can be experienced in August. The weather in Barcelona is hotter than in Seattle. Plan for potential changes in flight availability as peak weather approaches in this location.

What are the cheapest airlines to fly from Seattle to Barcelona one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $486.

Destination information for Barcelona

Things to know before you go - useful duration and weather info for your trip from Seattle to Barcelona.
Today's exchange rate
$1 = €0.85
Average temperature for June in Barcelona
77.0 °F
Avg rainfall for June in Barcelona
1.1 ″

Airports servicing Seattle

Airports servicing Barcelona

Gerona (GRO)
Reus (REU)

Top 10 airlines flying from Seattle to Barcelona

The chart below displays the airlines Cheapflights users traveling from Seattle to Barcelona choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$264 $365 No cancel fee 75%
SWISS
$477 $529 No cancel fee 79%
Finnair
$348 $533 No cancel fee 76%
Norwegian
$597 $763 No cancel fee 74%
Air Canada
$468 $849 No cancel fee 67%
Iberia
$452 $852 No cancel fee 77%
American Airlines
$278 $918 No cancel fee 71%
Aer Lingus
$498 $945 No cancel fee N/A
Delta
$525 $964 No cancel fee N/A
Lufthansa
$507 $967 No cancel fee 76%
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