Cheap flights from Seattle to Honolulu
The cheapest round trip from Seattle to Honolulu that travelers found recently is $428 with a carry-on: a $428 fare on United, which usually includes a carry-on. It leaves Mon, Feb 22 and comes back Fri, Mar 5.
Live prices for Mon, Feb 22 to Fri, Mar 5
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Mon, Feb 22 | Fri, Mar 5 | United | SEA → HNL | 1 stop | $428 | Included | $428 | Live price |
| Fri, Jan 1 | Wed, Jan 13 | Southwest | SEA → HNL | 1 stop | $487 | Included | $487 | Live price |
| Thu, Nov 12 | Sun, Nov 15 | Southwest | SEA → HNL | 1 stop | $497 | Included | $497 | Live price |
| Sun, Feb 21 | Sat, Mar 6 | United | SEA → HNL | 1 stop | $520 | Included | $520 | Live price |
| Thu, Dec 24 | Thu, Jan 7 | Southwest | SEA → HNL | 2 stops | $590 | Included | $590 | Live price |
| Fri, Nov 6 | Sat, Nov 14 | Southwest | SEA → HNL | 2 stops | $626 | Included | $626 | Live price |
| Tue, Oct 20 | Wed, Oct 28 | American Airlines | SEA → HNL | 1 stop | $674 | Included | $674 | Live price |
| Thu, Oct 22 | Mon, Oct 26 | American Airlines | SEA → HNL | 1 stop | $686 | Included | $686 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| October 2026 | Tue, Oct 20 to Wed, Oct 28, 8 nights | $674 | Live price |
| November 2026 | Thu, Nov 12 to Sun, Nov 15, 3 nights | $497 | Live price |
| December 2026 | Thu, Dec 24 to Thu, Jan 7, 14 nights | $590 | Live price |
| January 2027 | Fri, Jan 1 to Wed, Jan 13, 12 nights | $487 | Live price |
| February 2027 | Mon, Feb 22 to Fri, Mar 5, 11 nights | $428 | Live price |
Bag fees on this route
What the airlines flying Seattle to Honolulu usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| American Airlines | Included | $40 |
| Southwest | Included | $35 |
| United | Included | $40 |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
Not sure where to go? Tell Dipt your budget and vibe and it finds the trip.
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