The cheapest times to fly from SEA to BTR are

  • January 1st to February 25th (except the week of February 12th)
  • April 16th to May 6th
  • August 6th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to BTR is late January. Prices can be as high as $894 for Sunday flights during mid December, or as low as $294 for Tuesday flights around late January.


When to Fly to Baton Rouge

Flying from Seattle, WA (SEA) to Baton Rouge, LA (BTR) will usually cost between $294 to $603 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $299. Due to high demand the most expensive time to fly is mid December, with an average price of $548. Planning your trip to low-cost times can easily save you $249 on economy flights and even more on first-class flights. Generally, any price below $364 can be considered a good price for a round-trip SEA to BTR flight.

See below for a graph of average weekly prices for the SEA to BTR route. All prices are for round-trip tickets in USD.

SEA to BTR Flight Prices

Compared to other flights, the SEA to BTR flight is much cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $153 (33%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $317. Return trip prices are from the BTR to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to BTR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 37 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to BTR while comparing.

Destination alternative #1: Louis Armstrong New Orleans International Airport (MSY) in New Orleans, LA

  • 65 miles (105 km) away from BTR
  • Usually 14.15% less expensive than BTR
  • Nonstop flights available

See SEA to MSY flights

Destination alternative #2: Jackson Medgar Wiley Evers International Airport (JAN) in Jackson/Vicksburg, MS

  • 138 miles (222 km) away from BTR
  • Usually 3.57% less expensive than BTR
  • 1-layover flights available

See SEA to JAN flights

Destination alternative #3: Lafayette Regional Paul Fournet Field Airport (LFT) in Lafayette, LA

  • 55 miles (89 km) away from BTR
  • Usually 2.20% less expensive than BTR
  • 1-layover flights available

See SEA to LFT flights

Destination alternative #4: Lake Charles Regional Airport (LCH) in Lake Charles, LA

  • 127 miles (204 km) away from BTR
  • Usually 1.79% less expensive than BTR
  • 1-layover flights available

See SEA to LCH flights


Flight Questions Answered

Still have questions about flying from SEA to BTR? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.

How far away is it from Baton Rouge Metropolitan/Ryan Field Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 2019 miles or 3249 kilometers.

How long does it take to fly from SEA to BTR?

The real-world flight time for a nonstop SEA to BTR flight is about 4 hour 37 minutes.

How many flights go between Seattle, WA and Baton Rouge, LA?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SEA to BTR.


Airport Location Info


Departing Airport

Origination codeSEA
Origination airport nameSeattle/Tacoma International Airport
CitySeattle, WA
Countrythe United States

Return Airport

Destination codeBTR
Destination airport nameBaton Rouge Metropolitan/Ryan Field Airport
CityBaton Rouge, LA
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.