Columbus to Seattle CMH, LCK → SEA
John Glenn Columbus International Airport (CMH), Rickenbacker International Airport (LCK) → Seattle-Tacoma International Airport (SEA)
The cheapest one-way found recently is $299 with Alaska Airlines, 29 Oct, found today.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $279 to $449.
Cheapest one-way found recently
$299
29 Oct · Alaska Airlines
John Glenn Columbus International Airport (CMH) → Seattle-Tacoma International Airport (SEA)
Leaves 8:34 a.m. · 5 h 5 min trip
nonstop
found today
Cheapest nonstop one-way
$299
29 Oct · Alaska Airlines
John Glenn Columbus International Airport (CMH) → Seattle-Tacoma International Airport (SEA)
Leaves 8:34 a.m. · 5 h 5 min trip
nonstop
found today
Found recently, and the cheapest we hold
$299 29 Octfound todayOpen this trip
$258 25 Octfound 4 days agoOpen this trip
What have prices looked like?
Over 3 days, 16 Oct to 18 Oct, the cheapest one-way we saw each day was $258 to $599.
3 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 25 Oct to 13 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 29 Oct to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Oct | $258 | Southwest Airlines | John Glenn Columbus International Airport (CMH) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 4 days ago | Open this trip |
| 29 Oct | $299 | Alaska Airlines | John Glenn Columbus International Airport (CMH) → Seattle-Tacoma International Airport (SEA) | nonstop | found today | Open this trip |
| 13 Feb 2027 | $599 | Allegiant Air | Rickenbacker International Airport (LCK) → Seattle-Tacoma International Airport (SEA) | 3 stops | found 3 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $258.
Airlines on the cheapest dates: Southwest Airlines, Alaska Airlines, Allegiant Air.
Premium cabin fares from Columbus to Seattle
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 29 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Columbus to Seattle?
One-way
Not enough history yet: we have 3 days of one-way prices, 16 Oct to 18 Oct, and compare booking times once 3 booking ranges have 7 days each.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Columbus → Victoria
119 km from Seattle
$458
$159 more than flying to Seattle
26 Oct · CMH → YWH · 2 stops
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 29 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work