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Cheap flights from O'ahu to Seattle from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from O'ahu to Seattle departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from O'ahu to Seattle

Cheap round-trip flights

Delta Logo
2:27 pm - 10:25 pmHNL-SEA
5h 58mnonstop
Delta Logo
8:25 am - 12:55 pmSEA-HNL
6h 30mnonstop
$380Delta
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Tue, Dec 16 - Wed, Dec 31
United Airlines Logo
7:00 am - 6:45 pmHNL-SEA
8h 45m1 stop
United Airlines Logo
6:35 am - 2:01 pmSEA-HNL
10h 26m1 stop
$384United Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 19
United Airlines Logo
11:30 pm - 4:29 pmHNL-SEA
14h 59m2 stops
United Airlines Logo
9:25 am - 9:08 pmSEA-HNL
13h 43m2 stops
$385United Airlines
Find Deal
Thu, Jan 22 - Wed, Jan 28
Delta Logo
10:31 pm - 7:30 amHNL-SEA
5h 59mnonstop
Delta Logo
10:10 am - 8:26 pmSEA-HNL
13h 16m1 stop
$387Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
American Airlines Logo
9:40 pm - 10:24 amHNL-SEA
9h 44m1 stop
American Airlines Logo
6:30 am - 2:44 pmSEA-HNL
11h 14m1 stop
$389American Airlines
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Tue, Oct 21 - Mon, Oct 27
American Airlines Logo
9:40 pm - 10:24 amHNL-SEA
9h 44m1 stop
American Airlines Logo
6:30 am - 2:44 pmSEA-HNL
11h 14m1 stop
$397American Airlines
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Thu, Oct 23 - Tue, Oct 28
Hawaiian Airlines Logo
12:10 pm - 8:09 pmHNL-SEA
5h 59mnonstop
Hawaiian Airlines Logo
3:55 pm - 8:04 pmSEA-HNL
6h 09mnonstop
$427Hawaiian Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 10
Southwest Logo
11:35 am - 11:05 pmHNL-SEA
8h 30m1 stop
Southwest Logo
10:10 am - 4:25 pmSEA-HNL
9h 15m1 stop
$431Southwest
Find Deal
Fri, Oct 24 - Tue, Oct 28
Alaska Airlines Logo
3:05 pm - 11:59 pmHNL-SEA
5h 54mnonstop
Alaska Airlines Logo
6:15 pm - 6:38 amSEA-HNL
15h 23m1 stop
$443Alaska Airlines
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Thu, Oct 9 - Mon, Oct 13
Alaska Airlines Logo
3:05 pm - 11:59 pmHNL-SEA
5h 54mnonstop
Alaska Airlines Logo
7:44 am - 11:03 amSEA-HNL
6h 19mnonstop
$445Alaska Airlines
Find Deal
Sun, Oct 12 - Tue, Oct 21

Southwest flights from O'ahu to Seattle

Our best Southwest deals on O'ahu to Seattle flight tickets
Southwest
Oct 24
HNL11:35 amHonolulu
8h 30m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
Oct 28
SEA10:10 amSeattle/Tacoma Intl
9h 15m
1 stop
HNL4:25 pmHonolulu
$431
Find similar
Southwest
Sep 22
HNL11:35 amHonolulu
8h 30m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
Sep 24
SEA10:10 amSeattle/Tacoma Intl
9h 15m
1 stop
HNL4:25 pmHonolulu
$537
Find similar
Southwest
Sep 22
HNL8:10 amHonolulu
11h 55m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
Sep 24
SEA8:00 amSeattle/Tacoma Intl
11h 25m
1 stop
HNL4:25 pmHonolulu
$542
Find similar

United Airlines flights from O'ahu to Seattle

Our best United Airlines deals on O'ahu to Seattle flight tickets
United Airlines
Oct 8
HNL7:00 amHonolulu
8h 45m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
Oct 19
SEA6:35 amSeattle/Tacoma Intl
10h 26m
1 stop
HNL2:01 pmHonolulu
$384
Find similar
United Airlines
Jan 22
HNL11:30 pmHonolulu
14h 59m
2 stops
SEA4:29 pmSeattle/Tacoma Intl
Jan 28
SEA9:25 amSeattle/Tacoma Intl
13h 43m
2 stops
HNL9:08 pmHonolulu
$385
Find similar
United Airlines
Oct 17
HNL7:00 amHonolulu
11h 53m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
Oct 21
SEA8:42 amSeattle/Tacoma Intl
14h 07m
2 stops
HNL7:49 pmHonolulu
$388
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from O'ahu to Seattle 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, momondo users made 832,500 searches. Data last updated September 18, 2025.
Use the filters below to find and compare flights from O'ahu to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Tue 12/16

2:27 pm-10:25 pm

Nonstop5h 58m

Seattle/Tacoma Intl

Wed 12/31

8:25 am-12:55 pm

Nonstop6h 30m

$380

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Wed 10/8

7:00 am-6:45 pm

1 stop8h 45m

Seattle/Tacoma Intl

Sun 10/19

6:35 am-2:01 pm

1 stop10h 26m

$384

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Thu 1/22

11:30 pm-4:29 pm

2 stops14h 59m

Seattle/Tacoma Intl

Wed 1/28

9:25 am-9:08 pm

2 stops13h 43m

$385

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Fri 10/17

10:31 pm-7:30 am

Nonstop5h 59m

Seattle/Tacoma Intl

Tue 10/21

10:10 am-8:26 pm

1 stop13h 16m

$387

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Tue 10/21

9:40 pm-10:24 am

1 stop9h 44m

Seattle/Tacoma Intl

Mon 10/27

6:30 am-2:44 pm

1 stop11h 14m

$389

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Thu 10/23

9:40 pm-10:24 am

1 stop9h 44m

Seattle/Tacoma Intl

Tue 10/28

6:30 am-2:44 pm

1 stop11h 14m

$397

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Mon 11/3

12:10 pm-8:09 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Mon 11/10

3:55 pm-8:04 pm

Nonstop6h 09m

$427

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Fri 10/24

11:35 am-11:05 pm

1 stop8h 30m

Seattle/Tacoma Intl

Tue 10/28

10:10 am-4:25 pm

1 stop9h 15m

$431

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Thu 10/9

3:05 pm-11:59 pm

Nonstop5h 54m

Seattle/Tacoma Intl

Mon 10/13

6:15 pm-6:38 am

1 stop15h 23m

$443

HonoluluSeattle

HNL - SEA

HNLSEA

Honolulu

Sun 10/12

3:05 pm-11:59 pm

Nonstop5h 54m

Seattle/Tacoma Intl

Tue 10/21

7:44 am-11:03 am

Nonstop6h 19m

$445

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from O'ahu to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from O'ahu to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $406. If you don’t want to visit Seattle in November, then you should wait until February to fly from O'ahu, when ticket prices are also cheap, with an average price of $411.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from O'ahu is on a Thursday. momondo users have found tickets for Thursday departures for as low as $539. 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 O'ahu because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $630.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from O'ahu in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $601. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest O'ahu to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from O'ahu when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $496 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from O'ahu for as low as $450 on momondo.

What cabin class options are available on O'ahu to Seattle/Tacoma Intl flights?

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

Can stopping save me money on O'ahu to Seattle flights?

No. A direct flight is the cheapest option for a flight between O'ahu to Seattle.

Cheap O'ahu to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from O'ahu to Seattle

Best Price Found

$320

Fastest flight time

5h 34m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from O'ahu in the past 72 hours is $320. The best round-trip flight deal from O'ahu to Seattle found on momondo in the last 72 hours is $462.
The fastest flight from O'ahu to Seattle takes 5h 34m
Direct flights go from O'ahu to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • When did momondo last update prices for flights from O'ahu to Seattle/Tacoma Intl Airport?

    Prices for flights from O'ahu to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from O'ahu to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from O'ahu to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from O'ahu to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from O'ahu to Seattle?

Best airlines flying from O'ahu to Seattle

Compare and see reviews for airlines that fly from O'ahu to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $249Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
7,964 reviews
Search Delta flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $323Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $336Free CancellationRating
7.8
2,732 reviews
Search Hawaiian Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from O'ahu to Seattle?

Finding the right flight to Seattle from O'ahu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from O'ahu to Seattle with flexible booking policies on momondo?

All flight searches from O'ahu to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from O'ahu to Seattle?

momondo helps you find the best flight between O'ahu and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from O'ahu to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of O'ahu to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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