How long is the flight from State of Washington to Cook Islands?

Departing from State of Washington to Cook Islands will take you 14h 45m. Airlines will cover a distance of 5281 mi.

In terms of precipitation, rainfall in Cook Islands ranges from 3.9 - 10.2 inches per month. March is typically the wettest month, when rainfall can reach 10.2 in. June is typically the driest time to visit Cook Islands when rainfall is around 3.9 in.

If weather is an important factor for your trip to Cook Islands, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 71.6 F).

Can I find deals for flights from Washington to Cook Islands that include hotel bookings?

Yes. In addition to deals on Washington to Cook Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to Cook Islands?

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

Can I find deals for business class flights from Washington to Cook Islands?

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

$552+ Flights from Washington to the Cook Islands

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Cheap flight deals from Washington to Cook Islands

Cheapest flights from Washington to Cook Islands
Explore the most affordable flight options available from Washington to Cook Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Sat 12/209:05 amSEA - RAR

1 stop15h 42mMultiple Airlines

Mon 12/222:55 pmRAR - SEA

2 stops28h 15mMultiple Airlines

Deal found 12/16

$2,380

Wed 12/248:30 pmSEA - RAR

1 stop20h 35mMultiple Airlines

Wed 12/312:55 pmRAR - SEA

2 stops30h 57mMultiple Airlines

Deal found 12/16

$2,620

Wed 12/245:54 pmSEA - RAR

2 stops28h 16mAir New Zealand

Wed 12/312:55 pmRAR - SEA

2 stops39h 28mAir New Zealand

Deal found 12/16

$3,092

Sat 12/2012:35 pmSEA - RAR

2 stops33h 35mAir New Zealand

Mon 12/222:55 pmRAR - SEA

2 stops32h 04mAir New Zealand

Deal found 12/16

$3,461

Sat 12/207:05 amSEA - RAR

2 stops32h 35mUnited Airlines

Mon 12/222:55 pmRAR - SEA

3 stops28h 22mUnited Airlines

Deal found 12/16

$20,992

Best flights from Washington to Cook Islands
Discover carefully curated flight deals from Washington to Cook Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 1/109:55 amSEA - RAR

1 stop14h 45mAlaska Airlines

Sun 2/11:05 pmRAR - SEA

1 stop16h 35mAlaska Airlines

Deal found 12/15

$947

Sat 1/108:50 amSEA - RAR

1 stop15h 50mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

2 stops15h 39mMultiple Airlines

Deal found 12/14

$947

Fri 1/96:59 pmSEA - RAR

2 stops29h 41mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

1 stop14h 19mMultiple Airlines

Deal found 12/14

$947

Fri 1/93:45 pmSEA - RAR

1 stop32h 55mAlaska Airlines

Sun 2/11:05 pmRAR - SEA

1 stop14h 19mAlaska Airlines

Deal found 12/14

$964

Fri 6/1210:40 amPDX - RAR

1 stop15h 15mMultiple Airlines

Sat 6/2712:25 pmRAR - PDX

2 stops38h 41mMultiple Airlines

Deal found 12/16

$969

Thu 1/86:59 pmSEA - RAR

2 stops53h 41mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

2 stops15h 39mMultiple Airlines

Deal found 12/14

$970

Last-minute flights from Washington to Cook Islands
Discover last-minute flight deals from Washington to Cook Islands. Data last updated December 18, 2025 and is based on user searches.

Wed 1/71:36 pmSEA - RAR

2 stops27h 29mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

1 stop16h 35mMultiple Airlines

Deal found 12/16

$1,417

Wed 1/78:30 pmSEA - RAR

1 stop20h 35mMultiple Airlines

Thu 1/294:00 pmRAR - SEA

2 stops22h 54mMultiple Airlines

Deal found 12/16

$1,700

Thu 1/86:59 pmSEA - RAR

2 stops53h 41mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

2 stops15h 39mMultiple Airlines

Deal found 12/16

$970

Fri 1/96:59 pmSEA - RAR

2 stops29h 41mMultiple Airlines

Sun 2/11:05 pmRAR - SEA

2 stops15h 39mMultiple Airlines

Deal found 12/16

$947

Fri 1/95:45 pmSEA - RAR

1 stop30h 55mAlaska Airlines

Sun 2/11:05 pmRAR - SEA

1 stop14h 19mAlaska Airlines

Deal found 12/16

$964

Wed 1/145:59 pmSEA - RAR

2 stops23h 06mMultiple Airlines

Sun 2/81:05 pmRAR - SEA

1 stop24h 38mMultiple Airlines

Deal found 12/16

$1,279

Wed 1/148:30 pmSEA - RAR

1 stop20h 35mMultiple Airlines

Thu 1/294:00 pmRAR - SEA

2 stops27h 58mMultiple Airlines

Deal found 12/16

$1,680

Wed 1/148:30 pmSEA - RAR

1 stop20h 35mMultiple Airlines

Thu 2/54:00 pmRAR - SEA

2 stops27h 58mMultiple Airlines

Deal found 12/16

$1,682

Thu 1/159:30 pmPDX - RAR

2 stops39h 50mMultiple Airlines

Thu 1/224:00 pmRAR - PDX

2 stops26h 34mMultiple Airlines

Deal found 12/17

$1,843

Sun 1/185:43 pmSEA - RAR

2 stops45h 57mMultiple Airlines

Sun 2/81:05 pmRAR - SEA

1 stop24h 38mMultiple Airlines

Deal found 12/16

$1,648

Sun 1/2512:35 pmSEA - RAR

2 stops27h 05mAir New Zealand

Wed 1/282:55 pmRAR - SEA

2 stops22h 49mAir New Zealand

Deal found 12/16

$1,645

Fri 1/3010:52 amPDX - RAR

2 stops28h 48mMultiple Airlines

Fri 2/62:55 pmRAR - PDX

2 stops25h 35mMultiple Airlines

Deal found 12/15

$1,603

One-way flights from Washington to Cook Islands
Search for one-way flight options from Washington to Cook Islands. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 4/188:05 amSEA - RAR

1 stop18h 40mHawaiian Airlines

Deal found 12/16

$552

Sat 4/188:10 amSEA - RAR

2 stops18h 35mMultiple Airlines

Deal found 12/16

$571

Sat 4/119:50 amPDX - RAR

2 stops31h 40mAir New Zealand

Deal found 12/16

$802

Sat 4/115:30 pmPDX - RAR

3 stops30h 35mMultiple Airlines

Deal found 12/16

$1,031

Find flight deals from Washington to Cook Islands

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$947 (Alaska Airlines)
One-way from	$552 (CheapTickets.ch)
Popular in	September
Cheapest in	July
Average price	$945

Provider with most accurate pricing for Seattle/Tacoma Intl-Rarotonga flight deals.

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From Washington to Cook Islands

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One-way flight from Washington to Cook Islands

Search Deals

Highest demand for flights based on searches. 30% potential increase in price ($517 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($75 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to the Cook Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Sat 1/10

9:55 am-10:40 pm

1 stop14h 45m

Rarotonga

Sun 2/1

1:05 pm-7:40 am

1 stop16h 35m

$947

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Sat 1/10

8:50 am-10:40 pm

1 stop15h 50m

Rarotonga

Sun 2/1

1:05 pm-6:44 am

2 stops15h 39m

$947

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Fri 1/9

6:59 pm-10:40 pm

2 stops29h 41m

Rarotonga

Sun 2/1

1:05 pm-5:24 am

1 stop14h 19m

$947

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Fri 1/9

3:45 pm-10:40 pm

1 stop32h 55m

Rarotonga

Sun 2/1

1:05 pm-5:24 am

1 stop14h 19m

$964

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Fri 6/12

10:40 am-10:55 pm

1 stop15h 15m

Rarotonga

Sat 6/27

12:25 pm-6:06 am

2 stops38h 41m

$969

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Thu 1/8

6:59 pm-10:40 pm

2 stops53h 41m

Rarotonga

Sun 2/1

1:05 pm-6:44 am

2 stops15h 39m

$970

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Sat 4/18

8:05 am-11:45 pm

1 stop18h 40m

$552

SeattleRarotonga

SEA - RAR

SEARAR

Seattle/Tacoma Intl

Sat 4/18

8:10 am-11:45 pm

2 stops18h 35m

$571

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 4/11

9:50 am-2:30 pm

2 stops31h 40m

$802

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 4/11

5:30 pm-9:05 pm

3 stops30h 35m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Washington to Cook Islands

Have a flexible travel schedule? Discover the best time to fly to Cook Islands from Washington with our price prediction graph.

Estimated round-trip 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 Washington to the Cook Islands

What is the cheapest time of day to fly from WA to CK?

One of the essential ways to save on airfare from State of Washington to Cook Islands 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 48% on airfare.

Related info for your journey

How long is the flight from State of Washington to Cook Islands?
Departing from State of Washington to Cook Islands will take you 14h 45m. Airlines will cover a distance of 5281 mi.
Can I find deals for flights from Washington to Cook Islands that include hotel bookings?
Yes. In addition to deals on Washington to Cook Islands flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Cook Islands?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Cook Islands.
Can I find deals for business class flights from Washington to Cook Islands?
Yes. Cheapflights offers flight deals from Washington to Cook Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Washington to Cook Islands

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$694	Average$944	FlexibilityNo cancel fee	On-time75%
Air New Zealand	Cheapest$1,656	Average$1,949	FlexibilityNo cancel fee	On-time78%

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$552+ Cheap flights from Washington to the Cook Islands

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Cook Islands with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Cook Islands

Cheapest flights from Washington to Cook IslandsExplore the most affordable flight options available from Washington to Cook Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Washington to Cook Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Washington to Cook Islands

Keep the following information in mind while searching for Washington to Cook Islands flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to the Cook Islands that are best for you.

Best time to book a flight from Washington to Cook Islands

Have a flexible travel schedule? Discover the best time to fly to Cook Islands from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to the Cook Islands

What is the cheapest time of day to fly from WA to CK?

Find hourly flight availability from Washington to Cook Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Related info for your journey

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

How long is the flight from State of Washington to Cook Islands?

Can I find deals for flights from Washington to Cook Islands that include hotel bookings?

How can I find direct flights from Washington to Cook Islands?

Can I find deals for business class flights from Washington to Cook Islands?

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Alternative routes for Washington to Cook Islands

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Top 2 airlines flying from Washington to Cook Islands

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Cheapest flights from Washington to Cook Islands
Explore the most affordable flight options available from Washington to Cook Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.