The cheapest times to fly from LEB to SEA are

  • January 1st to April 1st
  • September 3rd to December 9th (except the weeks of November 19th and November 26th)

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 LEB to SEA is late October. Prices can be as high as $1204 for Sunday flights during early August, or as low as $364 for Tuesday flights around late October.


When to Fly to Seattle

Flying from Lebanon-Hanover, NH (LEB) to Seattle, WA (SEA) will usually cost between $394 to $811 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $397. Due to high demand the most expensive time to fly is early August, with an average price of $831. Planning your trip to low-cost times can easily save you $434 on economy flights and even more on first-class flights. Generally, any price below $546 can be considered a good price for a round-trip LEB to SEA flight.

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

LEB to SEA Flight Prices

Compared to other flights, the LEB to SEA flight is cheaper than the average and costs much less than the average flight leaving from Lebanon. The average price per mile (for a direct flight) is $0.14, 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 $113 (18%) 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 $510. Return trip prices are from the SEA to LEB 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 LEB 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 5 hour 17 minutes may not be realistic.


Flight Hacking LEB 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 LEB to SEA — but Champion Traveler does!

Hack #1: Boston, MA (LEB > BOS > SEA)

  • Price for both tickets: $458
  • Average savings: $88 (16.12%)

See LEB to BOS flights


Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Seattle/Tacoma International Airport to Lebanon Municipal Airport?

The distance between the two airports is roughly 2392 miles or 3850 kilometers.

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

The real-world flight time for a nonstop LEB to SEA flight is about 5 hour 17 minutes.

How many flights go between Lebanon-Hanover, NH and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from LEB to SEA.


Airport Location Info


Departing Airport

Origination code LEB
Origination airport name Lebanon Municipal Airport
City Lebanon-Hanover, NH
Country the United States
Latitude 43.6
Longitude -72.3

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.