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.

$230+ Flights from Kaua'i to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Kaua'i to Reagan-National

Most accurate provider	eDreams 3 stars
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Round-trip from	$496 (Alaska Airlines)
One-way from	$230 (American Airlines)

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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 enero 8, 2026.

mié. 2/187:45 pmLIH - DCA

2 stops17h 14mMultiple Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mMultiple Airlines

Deal found 1/7

$496

mié. 2/1811:19 pmLIH - DCA

1 stop11h 47mAlaska Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mAlaska Airlines

Deal found 1/7

$571

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 enero 8, 2026.

mié. 2/187:45 pmLIH - DCA

2 stops17h 14mMultiple Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mMultiple Airlines

Deal found 1/7

$496

mié. 2/1811:19 pmLIH - DCA

1 stop11h 47mAlaska Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mAlaska Airlines

Deal found 1/7

$571

Last-minute flights from Kaua'i to Reagan-National
Discover last-minute flight deals from Kaua'i to Reagan-National. Data last updated enero 8, 2026 and is based on user searches.

mié. 2/187:45 pmLIH - DCA

2 stops17h 14mMultiple Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mMultiple Airlines

Deal found 1/7

$496

mié. 2/1811:19 pmLIH - DCA

1 stop11h 47mAlaska Airlines

dom. 2/226:59 pmDCA - LIH

1 stop20h 50mAlaska Airlines

Deal found 1/7

$571

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 enero 8, 2026.

lun. 1/2611:00 pmLIH - DCA

1 stop11h 36mAmerican Airlines

Deal found 1/5

$230

lun. 1/268:39 amLIH - DCA

3 stops47h 23mMultiple Airlines

Deal found 1/5

$233

mar. 4/72:07 pmLIH - DCA

2 stops25h 52mMultiple Airlines

Deal found 1/6

$240

mié. 4/89:00 pmLIH - DCA

3 stops37h 59mMultiple Airlines

Deal found 1/6

$268

mar. 4/710:29 pmLIH - DCA

1 stop17h 30mAlaska Airlines

Deal found 1/6

$312

lun. 4/138:25 pmLIH - DCA

1 stop13h 02mDelta

Deal found 1/6

$326

dom. 1/259:00 pmLIH - DCA

3 stops59h 02mMultiple Airlines

Deal found 1/5

$329

dom. 1/2511:00 pmLIH - DCA

1 stop11h 36mAmerican Airlines

Deal found 1/5

$332

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

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Route

Depart

Return

Price

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

mié. 2/18

7:45 pm-5:59 pm

2 stops17h 14m

Washington, D.C. Reagan-National

dom. 2/22

6:59 pm-10:49 am

1 stop20h 50m

$496

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

mié. 2/18

11:19 pm-4:06 pm

1 stop11h 47m

Washington, D.C. Reagan-National

dom. 2/22

6:59 pm-10:49 am

1 stop20h 50m

$571

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

lun. 4/13

7:35 pm-4:04 pm

2 stops14h 29m

$236

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

mié. 4/8

9:00 pm-4:59 pm

3 stops37h 59m

$268

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

mar. 4/7

10:29 pm-9:59 pm

1 stop17h 30m

$312

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

lun. 4/13

8:25 pm-3:27 pm

1 stop13h 02m

$326

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

dom. 1/25

9:00 pm-1:02 pm

3 stops59h 02m

$329

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

lun. 4/6

9:40 pm-10:36 pm

2 stops18h 56m

$329

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

dom. 1/25

11:00 pm-3:36 pm

1 stop11h 36m

$332

LihueWashington, D.C.

LIH - DCA

LIHDCA

Lihue

mar. 4/7

9:00 pm-9:59 pm

3 stops18h 59m

$341

Flights are sorted by cheapest round-trip flights first.

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

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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.

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Silver Spring

Hanover

Fredericksburg

Linthicum Heights

Rockville

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Towson

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Clinton

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$230+ 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 1/26. 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

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Cheap 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 enero 8, 2026.

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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 enero 8, 2026.

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 enero 8, 2026.

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

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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.

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?

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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 enero 8, 2026.