How long is the flight from Kaua'i to Washington, D.C. Reagan-National Airport?

For as low as $450, American Airlines can have you in Washington, D.C. Reagan-National Airport from Kaua'i in 14h 44m. There are 4878 mi between Kaua'i and Washington, D.C. Reagan-National Airport.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from FUS to DCA?

When flying from Kaua'i to Washington, D.C. Reagan-National Airport, 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 Kaua'i to Reagan-National that include hotel bookings?

Yes. In addition to deals on Kaua'i to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kaua'i to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Reagan-National.

Can I find deals for business class flights from Kaua'i to Reagan-National?

Yes. Cheapflights offers flight deals from Kaua'i to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$194+ Flights from Kaua'i to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Kaua'i to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kaua'i to Reagan-National

Cheapest flights from Kaua'i to Reagan-National
Explore the most affordable flight options available from Kaua'i to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Fri 12/193:55 pmLIH - DCA

2 stops14h 05mAmerican Airlines

Fri 1/27:00 amDCA - LIH

1 stop14h 18mAmerican Airlines

Deal found 12/14

$763

Best flights from Kaua'i to Reagan-National
Discover carefully curated flight deals from Kaua'i to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

Thu 1/292:30 pmLIH - DCA

1 stop24h 30mMultiple Airlines

Mon 2/28:59 amDCA - LIH

1 stop33h 04mMultiple Airlines

Deal found 12/12

$444

Thu 1/2911:00 pmLIH - DCA

2 stops14h 44mAmerican Airlines

Mon 2/28:40 amDCA - LIH

1 stop12h 57mAmerican Airlines

Deal found 12/12

$450

Thu 2/510:25 amLIH - DCA

1 stop29h 35mAlaska Airlines

Mon 2/98:59 amDCA - LIH

1 stop33h 04mAlaska Airlines

Deal found 12/11

$543

Thu 2/510:25 amLIH - DCA

1 stop29h 35mMultiple Airlines

Mon 2/99:59 amDCA - LIH

2 stops17h 24mMultiple Airlines

Deal found 12/11

$499

Wed 1/1411:00 pmLIH - DCA

1 stop11h 36mAmerican Airlines

Fri 1/165:55 amDCA - LIH

2 stops15h 42mAmerican Airlines

Deal found 12/13

$550

Tue 1/132:30 pmLIH - DCA

1 stop24h 30mMultiple Airlines

Fri 1/166:56 pmDCA - LIH

1 stop21h 14mMultiple Airlines

Deal found 12/13

$545

Last-minute flights from Kaua'i to Reagan-National
Discover last-minute flight deals from Kaua'i to Reagan-National. Data last updated December 14, 2025 and is based on user searches.

Fri 12/193:55 pmLIH - DCA

2 stops14h 05mAmerican Airlines

Fri 1/27:00 amDCA - LIH

1 stop14h 18mAmerican Airlines

Deal found 12/14

$763

Tue 1/132:30 pmLIH - DCA

1 stop24h 30mMultiple Airlines

Fri 1/166:56 pmDCA - LIH

1 stop21h 14mMultiple Airlines

Deal found 12/13

$545

Tue 1/1310:10 pmLIH - DCA

1 stop12h 49mAmerican Airlines

Fri 1/165:55 amDCA - LIH

2 stops15h 42mAmerican Airlines

Deal found 12/13

$550

Wed 1/142:30 pmLIH - DCA

1 stop24h 30mMultiple Airlines

Fri 1/166:56 pmDCA - LIH

1 stop21h 14mMultiple Airlines

Deal found 12/13

$605

Thu 1/292:30 pmLIH - DCA

1 stop24h 30mMultiple Airlines

Mon 2/28:59 amDCA - LIH

1 stop33h 04mMultiple Airlines

Deal found 12/12

$444

Thu 1/2911:00 pmLIH - DCA

2 stops14h 44mAmerican Airlines

Mon 2/28:40 amDCA - LIH

1 stop12h 57mAmerican Airlines

Deal found 12/12

$450

One-way flights from Kaua'i to Reagan-National
Search for one-way flight options from Kaua'i to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 14, 2025.

Thu 1/226:47 amLIH - DCA

3 stops49h 15mMultiple Airlines

Deal found 12/12

$194

Wed 1/219:31 pmLIH - DCA

1 stop13h 02mDelta

Deal found 12/12

$223

Mon 1/1911:00 pmLIH - DCA

2 stops14h 41mAmerican Airlines

Deal found 12/12

$228

Tue 1/207:49 pmLIH - DCA

3 stops36h 13mMultiple Airlines

Deal found 12/12

$229

Fri 1/1610:45 pmLIH - DCA

1 stop11h 35mDelta

Deal found 12/12

$243

Fri 1/162:30 pmLIH - DCA

2 stops26h 29mMultiple Airlines

Deal found 12/12

$254

Sat 1/179:31 pmLIH - DCA

2 stops16h 11mDelta

Deal found 12/12

$258

Sun 1/1810:45 pmLIH - DCA

1 stop11h 35mDelta

Deal found 12/12

$272

Sat 1/179:59 amLIH - DCA

3 stops31h 00mMultiple Airlines

Deal found 12/12

$278

Thu 1/812:01 pmLIH - DCA

2 stops44h 00mMultiple Airlines

Deal found 12/12

$333

Wed 1/710:45 pmLIH - DCA

1 stop11h 35mDelta

Deal found 12/12

$355

Find flight deals from Kaua'i to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$444 (Alaska Airlines)
One-way from	$194 (Kiwi.com)

Provider with most accurate pricing for Lihue-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lihue-Washington, D.C. (WAS) flights.

Search Deals

From Kaua'i to Washington, D.C. Reagan-National

Search Deals

One-way flight from Kaua'i to Washington, D.C. Reagan-National

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaua'i to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 1/29

2:30 pm-8:00 pm

1 stop24h 30m

Washington, D.C. Reagan-National

Mon 2/2

8:59 am-1:03 pm

1 stop33h 04m

$444

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 1/29

11:00 pm-6:44 pm

2 stops14h 44m

Washington, D.C. Reagan-National

Mon 2/2

8:40 am-4:37 pm

1 stop12h 57m

$450

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 2/5

10:25 am-9:00 pm

1 stop29h 35m

Washington, D.C. Reagan-National

Mon 2/9

9:59 am-10:23 pm

2 stops17h 24m

$499

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 2/5

10:25 am-9:00 pm

1 stop29h 35m

Washington, D.C. Reagan-National

Mon 2/9

8:59 am-1:03 pm

1 stop33h 04m

$543

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Tue 1/13

2:30 pm-8:00 pm

1 stop24h 30m

Washington, D.C. Reagan-National

Fri 1/16

6:56 pm-11:10 am

1 stop21h 14m

$545

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Wed 1/14

11:00 pm-3:36 pm

1 stop11h 36m

Washington, D.C. Reagan-National

Fri 1/16

5:55 am-4:37 pm

2 stops15h 42m

$550

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 1/22

6:47 am-1:02 pm

3 stops49h 15m

$194

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Wed 1/21

9:31 pm-3:33 pm

1 stop13h 02m

$223

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Thu 1/22

10:45 pm-3:20 pm

1 stop11h 35m

$223

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

Tue 1/20

7:49 pm-1:02 pm

3 stops36h 13m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 15 results

Best time to book a flight from Kaua'i to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Kaua'i 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 Kaua'i to Washington, D.C. Reagan-National Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Kaua'i to Washington, D.C. Reagan-National Airport?
For as low as $450, American Airlines can have you in Washington, D.C. Reagan-National Airport from Kaua'i in 14h 44m. There are 4878 mi between Kaua'i and Washington, D.C. Reagan-National Airport.
Can I find deals for flights from Kaua'i to Reagan-National that include hotel bookings?
Yes. In addition to deals on Kaua'i to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Reagan-National.
Can I find deals for business class flights from Kaua'i to Reagan-National?
Yes. Cheapflights offers flight deals from Kaua'i to Reagan-National 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

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Rockville

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$194+ Cheap flights from Kaua'i to Reagan-National (DCA)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaua'i to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kaua'i to Reagan-National

Cheapest flights from Kaua'i to Reagan-NationalExplore the most affordable flight options available from Kaua'i to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Explore the most affordable flight options available from Kaua'i to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Find flight deals from Kaua'i to Reagan-National

Keep the following information in mind while searching for Kaua'i to Reagan-National flight deals. Data was last updated December 14, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaua'i to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Kaua'i to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Kaua'i with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kaua'i to Washington, D.C. Reagan-National Airport

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Reagan-National. 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 Kaua'i to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Kaua'i to Reagan-National that include hotel bookings?

How can I find direct flights from Kaua'i to Reagan-National?

Can I find deals for business class flights from Kaua'i to Reagan-National?

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kaua'i to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Kaua'i to Reagan-National
Explore the most affordable flight options available from Kaua'i to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.