Cheap flights from Honolulu to Seattle from $241 HNL → SEA
Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA)
The cheapest one-way found recently is $241 with Southwest Airlines, 20 Apr 2027, found yesterday.
- Cheapest one-way found recently
- $241, found yesterday
- Cheapest month to fly
- April 2027, one-way fares from $241 found in the last 7 days
One-way
The cheapest one-way fare on each of 7 departure dates is usually $277 to $326.
Cheapest one-way found recently
$241
20 Apr 2027 · Southwest Airlines
Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA)
Leaves 4:00 p.m. · 13 h 10 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$241 20 Apr 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 36 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $109 to $321.
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 7 departure dates from 12 Dec to 26 Apr 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?
No. We hold one-way fares on 2 other departure dates within 3 days of 20 Apr 2027, and none is cheaper.
Every date we hold
7 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Dec | $321 | American Airlines | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 3 days ago | Open this trip |
| 4 Jan 2027 | $335 | Alaska Airlines | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 2 days ago | Open this trip |
| 7 Jan 2027 | $301 | Southwest Airlines | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found today | Open this trip |
| 17 Apr 2027 | $326 | WestJet | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found yesterday | Open this trip |
| 20 Apr 2027 | $241 | Southwest Airlines | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found yesterday | Open this trip |
| 23 Apr 2027 | $252 | Southwest Airlines | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found yesterday | Open this trip |
| 26 Apr 2027 | $326 | WestJet | Honolulu International Airport (HNL) → Seattle-Tacoma International Airport (SEA) | 1 stop | found yesterday | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $241.
Airlines on the cheapest dates: Southwest Airlines, WestJet, American Airlines, Alaska Airlines.
Premium cabin fares from Honolulu 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 20 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Honolulu to Seattle?
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (36 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $109 | $109 | Cheapest seen | 9 |
| 14–29 days | $195 | $109 | +79% | 22 |
| 30–59 days | $175 | $170 | +61% | 13 |
| 60–89 days | $216 | $216 | +98% | 15 |
| 90–179 days | $275 | $241 | +152% | 27 |
| 180+ days | $335 | $335 | +207% | 13 |
Live price for these dates
The cheapest one-way found recently is for 20 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Honolulu to Seattle?
The cheapest one-way found recently is $241 with Southwest Airlines, 20 Apr 2027, found yesterday. The cheapest one-way fare on each of 7 departure dates is usually $277 to $326.
What is the cheapest month to fly from Honolulu to Seattle?
April 2027 is the cheapest month for a one-way, from $241, 20 Apr 2027, found yesterday.
How far ahead should I book a flight from Honolulu to Seattle?
In 36 days of prices between 24 Sept and 12 Nov, one-way fares were cheapest 7 to 13 days before departure.
How long is the flight from Honolulu to Seattle?
The cheapest one-way found recently, with Southwest Airlines on 20 Apr 2027, takes 13 h 10 min with 1 stop.
Which airlines have the cheapest flights from Honolulu to Seattle?
Between 12 Dec and 26 Apr 2027, Southwest Airlines has the cheapest one-way on 3 of the 7 departure dates we hold, WestJet on 2 and American Airlines on 1.
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