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Cheap flights from Seattle to Honolulu from £123

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HNL
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Honolulu are usually found in January or March, booked 89 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Honolulu

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Honolulu
Explore the most affordable flight options available from Seattle to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Tue 21/411:35
SEA
-
HNL
1 stop10h 45m
United Airlines
Wed 22/407:00
HNL
-
SEA
1 stop9h 45m
United Airlines
Deal found 8/3£210
Tue 21/407:12
SEA
-
HNL
2 stops12h 05m
United Airlines
Tue 28/421:40
HNL
-
SEA
1 stop10h 57m
United Airlines
Deal found 8/3£218
Sun 26/411:45
SEA
-
HNL
1 stop12h 15m
Southwest
Tue 5/508:15
HNL
-
SEA
1 stop9h 05m
Southwest
Deal found 10/3£219
Tue 28/408:42
SEA
-
HNL
1 stop10h 48m
United Airlines
Tue 5/522:10
HNL
-
SEA
1 stop9h 33m
United Airlines
Deal found 8/3£221
Wed 29/407:12
SEA
-
HNL
2 stops12h 05m
United Airlines
Wed 6/521:40
HNL
-
SEA
2 stops11h 45m
United Airlines
Deal found 8/3£222
Sun 19/406:50
SEA
-
HNL
1 stop12h 15m
Southwest
Wed 22/408:15
HNL
-
SEA
1 stop9h 05m
Southwest
Deal found 10/3£224
Wed 22/411:35
SEA
-
HNL
1 stop10h 45m
United Airlines
Tue 28/421:40
HNL
-
SEA
1 stop10h 57m
United Airlines
Deal found 8/3£228
Tue 14/408:42
SEA
-
HNL
1 stop10h 48m
United Airlines
Wed 22/422:05
HNL
-
SEA
1 stop9h 34m
United Airlines
Deal found 10/3£229
Thu 16/408:42
SEA
-
HNL
1 stop10h 48m
United Airlines
Thu 23/407:00
HNL
-
SEA
1 stop9h 45m
United Airlines
Deal found 8/3£233
Mon 20/412:22
SEA
-
HNL
1 stop10h 27m
United Airlines
Wed 29/407:00
HNL
-
SEA
1 stop10h 57m
United Airlines
Deal found 10/3£234

Find flight deals from Seattle to Honolulu

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Honolulu (HNL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

£210

One-way from

£123

Popular in

July

Cheapest in

January

Average price

£326
United Airlines
  • United Airlines
  • 21/4-22/4
  • 2 total stops
  • 20h 30m total
  • Seattle to Honolulu
Search Deals
Southwest
  • Southwest
  • 22/4
  • 1 total stop
  • 11h 50m total
  • Seattle to Honolulu
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Honolulu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from Seattle to Honolulu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 3/5

11:45-21:00

1 stop12h 15m

Honolulu

Thu 7/5

08:15-22:35

1 stop11h 20m

£229

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 21/4

12:22-19:49

1 stop10h 27m

Honolulu

Tue 28/4

07:00-19:45

1 stop9h 45m

£251

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 19/4

08:42-19:49

2 stops14h 07m

Honolulu

Thu 23/4

07:00-19:45

1 stop9h 45m

£255

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 28/4

12:12-17:39

1 stop8h 27m

Honolulu

Wed 29/4

17:20-06:36

1 stop10h 16m

£260

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Mon 13/4

06:00-16:30

2 stops13h 30m

Honolulu

Mon 20/4

22:05-10:39

1 stop9h 34m

£310

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Fri 17/4

12:22-19:49

1 stop10h 27m

Honolulu

Sun 26/4

21:40-11:37

1 stop10h 57m

£311

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 7/4

21:31-10:05

1 stop15h 34m

Honolulu

Tue 14/4

21:16-13:32

1 stop13h 16m

£331
Fastest return journey

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Mon 13/4

18:00-21:20

Nonstop6h 20m

Honolulu

Thu 16/4

22:45-07:35

Nonstop5h 50m

£361

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 12/5

09:20-21:00

2 stops14h 40m

Honolulu

Sun 17/5

21:45-17:20

1 stop16h 35m

£395

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 7/4

12:22-19:49

1 stop10h 27m

Honolulu

Tue 14/4

23:23-10:39

1 stop8h 16m

£416

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Honolulu

Have a flexible travel schedule? Discover the best time to fly to Honolulu from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Honolulu

How far ahead should I book a flight from Seattle to Honolulu?

Use this chart to determine the optimal time to book a return flight from Seattle to Honolulu. Price data was last updated on 6 March 2026.

The best time to book flights from Seattle to Honolulu is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Honolulu?

Currently, February is the cheapest month in which you can book a flight from Seattle to Honolulu (average of £174). Flying from Seattle to Honolulu in July is currently the most expensive (average of £331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to HNL?

Find hourly flight availability from Seattle to Honolulu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 March 2026.

One of the essential ways to save on airfare from Seattle to Honolulu is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 71% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Honolulu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Seattle to Honolulu flight route?

    This flight path from Seattle/Tacoma Intl to Honolulu was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Honolulu?

    United Airlines and Alaska Airlines can get you from Seattle to Honolulu in just under 6h 21m. Your travel time can differ by up to 4h 06m. There are 2675 mi between Seattle and Honolulu. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Seattle to Honolulu?

    Consider KLM (87%), Air France (87%) or Delta (78%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Honolulu.

  • Can I find deals for flights from Seattle to Honolulu that include hotel bookings?

    Yes. In addition to deals on Seattle to Honolulu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Honolulu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Honolulu.

  • Can I find deals for business class flights from Seattle to Honolulu?

    Yes. Cheapflights offers flight deals from Seattle to Honolulu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Honolulu?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Honolulu (average of £174). Flying from Seattle to Honolulu in July is currently the most expensive (average of £331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Honolulu?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Honolulu from Seattle.

Can Cheapflights find flights from Seattle to Honolulu with no change fees?

Yes, we can. To see specific flights from Seattle to Honolulu with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Honolulu become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Honolulu from Seattle today and book when prices fit your budget.

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