Cheap flights from Nashville, TN to Seattle, WA, United States (BNA - SEA)

Flying from Nashville, TN to Seattle, WA can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Nashville, TN - Seattle, WA (BNA - SEA). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Seattle, WA to Nashville, TN.

Airfares found by our users in the past 24 hours

The cheapest flight from Nashville, TN to Seattle, WA is C$409 on Frontier Airlines, departing on 05/03/2026 - 23:24 and returning on 05/11/2026 - 03:19.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Nashville, TN to Seattle, WA by months

MonthRound-Trip
January 2026find now
February 2026find now
March 2026find now
April 2026find now
May 202603.05 - 11.05from C$409
June 202617.06 - 25.06from C$355
July 2026find now
August 202614.08 - 23.08from C$334
September 2026find now
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Nashville, TN to Seattle, WA

Alaska Airlines

Frequently asked questions about flights from Nashville, TN to Seattle, WA

How long does the flight from Nashville, TN to Seattle, WA take?

Flight duration from Nashville, TN to Seattle, WA varies by route, airline, and number of stops. Direct flights are faster; connecting flights may take longer. Use our search to compare options and see exact durations for your dates.

Are there direct flights from Nashville, TN to Seattle, WA?

Availability of direct flights from Nashville, TN to Seattle, WA depends on the route and season. Use our search and filter by "Direct" or "Non-stop" to see only direct options. We compare offers from many airlines and agencies.

Which airlines fly from Nashville, TN to Seattle, WA?

Several airlines may operate flights from Nashville, TN to Seattle, WA. On this page you can see airlines that serve this route. Our search compares prices across airlines and agencies so you can choose the best offer. We do not sell tickets; you book directly with the airline or agency.

What is the cheapest month to fly from Nashville, TN to Seattle, WA?

Prices from Nashville, TN to Seattle, WA vary by month and demand. On this page you can see average round-trip prices by month. Use the low-fare calendar and monthly table to find the cheapest dates. Booking in advance and avoiding peak seasons often helps get the best price.

Find Flights to Seattle, WA