For Unpublished Cheap Flight Deals,
Call Us at 1-888-437-4930
  • Great
    Based on 2,084 reviews
  • Safe & Secure Booking
  • Low Fare Promise
  • Buy with Confidence
  • 10 Million+ Customers
    Per Year
  • Compare & Book Over
    600 Airlines Instantly!
  • Fast, Safe &
    Secure
  • Live 24/7
    Customer Support
Download Our App
Download Our App

Find the deals you want & manage your trips ... all while on the go.

Download
Apply for Our Credit Card
Apply for Our Credit Card

Earn rewards points & other travel perks when you spend.

Apply Now
Check out our Blog
Check out our Blog

Get inspired, learn expert tips & add to your travel bucket list.

Read it Now
Check Your Flight Status
Check Your Flight Status

Get there on time,
every time!

Check Status

Schedule Wide Open? Sneak-peek at what tickets cost month-to-month from Seattle to Barcelona

Recent Barcelona Posts

View All

Search Cheap Flights from Seattle to Barcelona

Book your flights from Seattle to Barcelona at OneTravel.com, and enjoy your journey hassle-free. OneTravel is a one-stop website for all your travel needs. From flight bookings, hotel packages, and vacation bookings to car rentals, we help you book everything with few clicks. OneTravel offers cheap airfares that help you save big. Book your Seattle to Barcelona flights with OneTravel and save money like never before.

No matter whether you are making a personal trip or going for an official conference, whatever is the reason of travel, we are a one-stop website for all kinds of travel. Choose from different airlines, and book your flights to Barcelona. From flights without layovers to ones that arrive early in the morning, we have them all. Choose the flight that meets your preference best. To know more, and for queries and assistance get in touch with our customer care available 24/7 to take care of all your travel needs.

    Seattle to Barcelona Flight Route Facts

  • What is the cheapest return flight price from SEA to BCN?$786
  • What is the fare range for flights between SEA to BCN? $786 - $2575
  • In last 30 days, what is the %age of BCN visitors who spent less than 3 days in the city?100.00 %
  • Name the airport nearby BCN? Barcelona Airport
  • Name the airports nearby SEA? Kenmore Air Harbor

Barcelona Reviews

customer service was by far the best with OneTravel

I want to THANK Eoin for all his help and patience. He was very polite and professional. Customer service was greatly appreciated!! I have use OneTravel in the past and his customer service was by far the best with OneTravel

- Cynthia  Mar 29, 2019
That’s why we keep on coming back to OneTravel!

That’s why we keep on coming back to OneTravel! Excellent customer service!

- Joeylyn  Mar 23, 2019
Submit a ReviewSee All Reviews