Cheap flights from Seattle to Honolulu from C$ 345

In general, January is the cheapest month to fly from Seattle to Honolulu. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 519. If you are unable to visit Honolulu during the month of January, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around C$ 571.

On average, the least expensive day to fly to Honolulu from Seattle is on a Sunday. momondo users have found tickets for Sunday departures for as low as C$ 592. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,132.

Our most recent data shows that the best time of day to fly to Honolulu is in the afternoon. Flights from Seattle to Honolulu during this time can be as low as C$ 468. Flights in the evening are often more expensive with an average ticket price of C$ 1,172.

Fly from Seattle/Tacoma Intl to Honolulu for the best Seattle/Tacoma Intl - Honolulu flight prices

You are more likely to see cheaper flights to Honolulu from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Honolulu for around C$ 732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Honolulu from Seattle for as low as C$ 587 on momondo.

There are 4 cabin classes available to choose from on Seattle to Honolulu flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 20% on your flight if you consider stops on a Seattle to Honolulu flight.

As of August 2026, prices for Seattle to Honolulu flights are approximately 12% more expensive when compared to flights at the same time last year.

Delta and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Honolulu

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Honolulu from Seattle according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Honolulu. Keep in mind that there are 3 different airlines that fly to Honolulu on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Seattle and Honolulu have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

As of August 2026, there are 22 flights per day flying from Seattle to Honolulu. The most common time of day flights depart is 4:00p.m., with 39% of flights taking off in the afternoon.

The number of flights available between Seattle and Honolulu is 160 per week as of August 2026. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.