• Flights
  • Packages
  • Hotels
  • Cars
Round-trip
Coach

Refine your search by airline, by city or airport or direct flights

Bundle & Save

Here's why travelers choose OneTravel
Price Match Promise
Find great flight deals to destinations worldwide
24/7 Customer Support
Speak to our travel experts: anytime, anywhere
ClubMiles Rewards
Earn points and air miles to maximize your rewards
Easy Cancellations
Convenient options online and with our 24/7 global support

Round TripOne Way

What Our Customers Say About Our Service?

Submit a review
  • Decent experience
    My experience with OneTravel was decent but could use some improvements. I found a good deal, but na vigating the site was a bit tricky at times. Thank....

    Read more

    Apr 22, 2026 Daniel Brown
  • Smooth Customer Service
    It was a great experience using OneTravel to book my honeymoon trip to Bali. The customer service was outstanding, and they helped me with the best options for our budget. I appreciated their travel advice, and everything went smoothly. Would highly recommend!

    Read more

    Apr 22, 2026 Sophia Martinez
  • Prices are excellent
    I had a good experience with OneTravel, although there were a few hiccups during the booking process. Customer service was helpful in resolving my issues. The prices were excellent, and I found a great last-minute deal. The confirmation emails were timely, and I loved the easy access to my itinerary online.

    Read more

    Apr 22, 2026 Benjamin Roberts

Seattle to Buffalo Flight Route Information

Travel Distance:2,117 Miles
Airlines Flying This Route: Southwest Airlines
Avg. Flight Duration:6.25 Hours

Insights About Flying from Seattle to Buffalo

Q. Which is the high season to travel from Seattle to Buffalo?

A. The month of August, May is considered the high season for flying from SEA to BUF. Traveling during the high season can affect ticket prices and availability, making this data crucial for trip planning.

Q. Which is the low season to travel from Seattle to Buffalo?

A. August, May is considered the low season for traveling from Seattle to Buffalo, New York. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.

Q. Which is the busiest day for passengers flying between Seattle to Buffalo?

A. Friday are the busiest days for passengers flying between Seattle to Buffalo. Knowing the peak travel day can help you plan your trip to avoid overcrowded flights or airports.

Q. What percentage of Seattle to Buffalo travelers were over 60 years old?

A. A notable 100% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.

Q. What is the price range of a Seattle to Buffalo flight?

A. Seattle to Buffalo Flight Prices usually vary between 348.76 - 348.76.

Q. Which is the most popular airport for connecting flights between Seattle to Buffalo?

A. Denver International Airport is the most popular airport for connecting flights between SEA to BUF.

Q. On which days one can have the most flight options in Buffalo?

A. Friday offer the most flight options in Buffalo.

§ All flight facts are based on last 3 months' data except the highest and lowest booking months that are based on last 3 months' data.

Cheap Flights from Seattle to Buffalo

Find affordable air fare deals from Seattle (SEA) to Buffalo (BUF) and jet set for a memorable vacation without breaking the bank! OneTravel offers discounts on flights to top destination online. North Carolina’s capital, Raleigh is a thriving city with lots on the offering. Take off for a Raleigh vacation and spend time browsing museums and galleries, enjoy eating-out at one of the eclectic eateries and late night hang out at one of the nightclubs. The average air travel time to reach Raleigh from Philadelphia is four hours.