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).

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

When flying from Washington, D.C. Dulles Intl Airport to Cook Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Dulles Intl to Cook Islands?

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

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

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$2,004+ Flights from Washington, D.C. Dulles Intl Airport to the Cook Islands

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Best flights from Dulles Intl to Cook Islands
Discover carefully curated flight deals from Dulles Intl to Cook Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Wed 2/188:15 amIAD - RAR

2 stops34h 25mUnited Airlines

Sun 2/222:55 pmRAR - IAD

2 stops28h 01mUnited Airlines

Deal found 12/27

$10,818

Last-minute flights from Dulles Intl to Cook Islands
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Fri 1/27:33 amIAD - RAR

2 stops44h 14mMultiple Airlines

Sun 1/41:05 pmRAR - IAD

2 stops23h 38mMultiple Airlines

Deal found 12/29

$2,004

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From Washington, D.C. Dulles Intl to Cook Islands

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Wed 2/18

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Best time to book a flight from Dulles Intl to Cook Islands

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How long is the flight from Washington, D.C. Dulles Intl Airport to Cook Islands?
United Airlines can get you from Washington, D.C. Dulles Intl Airport to Cook Islands in just under 34h 25m. Your travel time can differ by up to . The distance from Washington, D.C. Dulles Intl Airport to Cook Islands is about 6733 mi.
Can I find deals for flights from Dulles Intl to Cook Islands that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Cook Islands flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Cook Islands?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cook Islands.
Can I find deals for business class flights from Dulles Intl to Cook Islands?
Yes. Cheapflights offers flight deals from Dulles Intl 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.

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$2,004+ Cheap flights from Dulles Intl (IAD) to the Cook Islands

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Cook Islands

Best flights from Dulles Intl to Cook IslandsDiscover carefully curated flight deals from Dulles Intl to Cook Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Discover carefully curated flight deals from Dulles Intl to Cook Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

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Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to the Cook Islands

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Cook Islands?

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

How can I find direct flights from Dulles Intl to Cook Islands?

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

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Best flights from Dulles Intl to Cook Islands
Discover carefully curated flight deals from Dulles Intl to Cook Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.