The cheapest times to fly from LBL to SEA are

  • January 8th to June 10th (except the weeks of April 9th, May 14th, and May 21st)
  • July 2nd to August 5th

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 LBL to SEA is early August. Prices can be as high as $569 for Saturday flights during mid to late November, or as low as $350 for Tuesday flights around early August.


When to Fly to Seattle

Flying from Liberal, KS (LBL) to Seattle, WA (SEA) will usually cost between $350 to $461 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early August with an average ticket price of $350. Due to high demand the most expensive time to fly is mid to late November, with an average price of $421. Planning your trip to low-cost times can easily save you $71 on economy flights and even more on first-class flights. Generally, any price below $354 can be considered a good price for a round-trip LBL to SEA flight.

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

LBL to SEA Flight Prices

Compared to other flights, the LBL to SEA flight is much cheaper than the average and costs much less than the average flight leaving from Liberal. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays 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 $58 (14%) 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 $350. Return trip prices are from the SEA to LBL 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 LBL to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 19 minutes may not be realistic.


Flight Hacking LBL to SEA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LBL to SEA — but Champion Traveler does!

Hack #1: Denver, CO (LBL > DEN > SEA)

  • Price for both tickets: $332
  • Average savings: $22 (6.21%)

See LBL to DEN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Liberal Mid-America Regional Airport?

The distance between the two airports is roughly 1300 miles or 2092 kilometers.

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

The real-world flight time for a nonstop LBL to SEA flight is about 3 hour 19 minutes.

How many flights go between Liberal, KS and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 22 available flights from LBL to SEA.


Airport Location Info


Departing Airport

Origination code LBL
Origination airport name Liberal Mid-America Regional Airport
City Liberal, KS
Country the United States
Latitude 37
Longitude -101

Return Airport

Destination code SEA
Destination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3


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.