HNL ↔ SEA Fare Sale: Flights Starting at $119 for Spring 2026

If Seattle is calling your name this winter, good news, both Hawaiian Airlines and Delta just dropped fares on the Honolulu–Seattle route, with deals as low as $119 one way and $238 roundtrip.

Best Deal Strategy

• Roundtrip Travelers → Hawaiian Airlines wins
  Hawaiian’s roundtrip price sits at $238, while their one-way fares are $139, making roundtrip the smarter booking option.

• One-Way Travelers → Delta wins
  Delta’s one-way fare is the lowest at $119, beating Hawaiian’s one-way price by $20.

✈️ Hawaiian Airlines Deals

Roundtrip: $238

HNL → SEA

• January: 14–16, 21–23, 26–30

• February: 2–4, 25–27

• March: 2, 4–5

One Way: $139

SEA → HNL

• January: 7, 9, 11–12, 18–31

• February: 1–9, 19–20, 22–28

• March: 1–10

✈️ Delta Airlines Deals

One Way: $119

HNL → SEA

• January: 15–16, 22–23, 26–30

• February: 2–6, 8–9, 11–13, 25–27

• March: 4–6, 8–11, 17–19, 23–26, 31

SEA → HNL

• January: 5, 12–13, 18–21, 23–31

• February: 1–4, 6, 8–9, 19, 21–22, 25, 27–28

• March: 1–12, 15–18, 24–25, 27, 29–31

🏝️ Bottom Line

If you’re piecing together a one-way trip, Delta is the cheaper play.
If you want a full roundtrip, Hawaiian offers the best value at $238.

These fare windows line up perfectly with winter travel, spring break positioning, or a quick recharge escape to the Pacific Northwest.