What airlines fly to Kaua'i?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Kaua'i from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 5 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Kaua'i?

American Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Kaua'i

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

On average, it takes 5h 25m to fly from Washington, D.C. to Kaua'i if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into Los Angeles (the most popular airport in Kaua'i). If you’re flying out of Washington, D.C. and into Los Angeles, then the flight time is around 5h 25m.

When did momondo last update prices for flights from Washington, D.C. to Kaua'i?

Prices for flights from Washington, D.C. to Kaua'i refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Kaua'i?

The number of operators available for flights from Washington, D.C. to Kaua'i is 5 as of May 2026.

How old do you have to be to fly from Washington, D.C. to Kaua'i?

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 Washington, D.C. to Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$260 Cheap Flights from Washington, D.C. to Kaua'i in 2026

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Find the cheapest flights from Washington, D.C. to Kaua'i

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 am - 8:12 pm

BWI

LIH

18h 22m

2 stops

12:44 pm - 6:30 am

LIH

BWI

11h 46m

1 stop

$548Multiple Airlines

Sun, Sep 27 - Wed, Sep 30

4:34 pm - 3:42 pm

BWI

LIH

29h 08m

2 stops

7:12 am - 3:34 pm

LIH

BWI

26h 22m

2 stops

$552Multiple Airlines

Sat, Aug 22 - Fri, Aug 28

7:50 am - 6:49 pm

BWI

LIH

16h 59m

2 stops

6:00 am - 6:30 am

LIH

BWI

18h 30m

2 stops

$553Multiple Airlines

Sun, Sep 27 - Wed, Sep 30

7:50 am - 7:31 pm

BWI

LIH

17h 41m

2 stops

6:00 am - 6:30 am

LIH

BWI

18h 30m

2 stops

$566Multiple Airlines

Thu, Sep 24 - Tue, Sep 29

12:40 pm - 7:42 pm

IAD

LIH

13h 02m

1 stop

2:31 pm - 9:24 am

LIH

IAD

12h 53m

2 stops

$567United Airlines

Tue, Jun 2 - Mon, Jun 8

6:00 am - 7:20 pm

BWI

LIH

19h 20m

2 stops

9:26 pm - 6:46 pm

LIH

BWI

15h 20m

2 stops

$607Delta

Mon, Oct 5 - Mon, Oct 12

7:24 pm - 11:35 am

IAD

LIH

22h 11m

1 stop

10:43 am - 5:53 pm

LIH

IAD

25h 10m

1 stop

$607Alaska Airlines

Tue, Oct 6 - Tue, Oct 13

7:29 pm - 11:44 am

IAD

LIH

22h 15m

1 stop

9:35 pm - 4:54 pm

LIH

IAD

13h 19m

1 stop

$608Alaska Airlines

Mon, Sep 7 - Tue, Sep 15

12:40 pm - 7:42 pm

IAD

LIH

13h 02m

1 stop

2:31 pm - 9:24 am

LIH

IAD

12h 53m

2 stops

$610United Airlines

Tue, Jun 2 - Mon, Jun 8

6:00 am - 5:12 pm

DCA

LIH

17h 12m

2 stops

9:45 pm - 3:40 pm

LIH

DCA

11h 55m

1 stop

$614Delta

Thu, Sep 24 - Mon, Sep 28

American Airlines flights from Washington, D.C. to Kaua'i

Our best American Airlines deals on Washington, D.C. to Kaua'i flight tickets

American Airlines

Aug 28

BWI11:59 amBaltimore/Washington

14h 09m

2 stops

LIH8:08 pmLihue

Sep 6

LIH9:41 pmLihue

14h 04m

2 stops

BWI5:45 pmBaltimore/Washington

$617

American Airlines

May 28

BWI10:06 amBaltimore/Washington

16h 15m

2 stops

LIH8:21 pmLihue

Jun 1

LIH9:51 pmLihue

15h 29m

2 stops

BWI7:20 pmBaltimore/Washington

$642

American Airlines

May 28

BWI10:06 amBaltimore/Washington

16h 15m

2 stops

LIH8:21 pmLihue

Jun 1

LIH9:51 pmLihue

16h 49m

2 stops

BWI8:40 pmBaltimore/Washington

$667

United Airlines flights from Washington, D.C. to Kaua'i

Our best United Airlines deals on Washington, D.C. to Kaua'i flight tickets

United Airlines

Jun 2

IAD12:40 pmWashington, D.C. Dulles Intl

13h 02m

1 stop

LIH7:42 pmLihue

Jun 8

LIH2:31 pmLihue

12h 53m

2 stops

IAD9:24 amWashington, D.C. Dulles Intl

$567

United Airlines

Jun 2

IAD12:40 pmWashington, D.C. Dulles Intl

13h 02m

1 stop

LIH7:42 pmLihue

Jun 8

LIH2:31 pmLihue

12h 53m

2 stops

IAD9:24 amWashington, D.C. Dulles Intl

$610

United Airlines

Jun 2

DCA10:30 amWashington, D.C. Reagan-National

15h 12m

2 stops

LIH7:42 pmLihue

Jun 8

LIH2:31 pmLihue

13h 28m

2 stops

DCA9:59 amWashington, D.C. Reagan-National

$615

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Sun 9/27

7:50 am-8:12 pm

2 stops18h 22m

Lihue

Wed 9/30

12:44 pm-6:30 am

1 stop11h 46m

$548

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Sat 8/22

4:34 pm-3:42 pm

2 stops29h 08m

Lihue

Fri 8/28

7:12 am-3:34 pm

2 stops26h 22m

$552

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Sun 9/27

7:50 am-6:49 pm

2 stops16h 59m

Lihue

Wed 9/30

6:00 am-6:30 am

2 stops18h 30m

$553

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Thu 9/24

7:50 am-7:31 pm

2 stops17h 41m

Lihue

Tue 9/29

6:00 am-6:30 am

2 stops18h 30m

$566

Quickest round-trip

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 6/2

12:40 pm-7:42 pm

1 stop13h 02m

Lihue

Mon 6/8

2:31 pm-9:24 am

2 stops12h 53m

$567

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Mon 10/5

6:00 am-7:20 pm

2 stops19h 20m

Lihue

Mon 10/12

9:26 pm-6:46 pm

2 stops15h 20m

$607

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 10/6

7:24 pm-11:35 am

1 stop22h 11m

Lihue

Tue 10/13

10:43 am-5:53 pm

1 stop25h 10m

$607

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 9/7

7:29 pm-11:44 am

1 stop22h 15m

Lihue

Tue 9/15

9:35 pm-4:54 pm

1 stop13h 19m

$608

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 6/2

12:40 pm-7:42 pm

1 stop13h 02m

Lihue

Mon 6/8

2:31 pm-9:24 am

2 stops12h 53m

$610

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 9/24

6:00 am-5:12 pm

2 stops17h 12m

Lihue

Mon 9/28

9:45 pm-3:40 pm

1 stop11h 55m

$614

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Kaua'i

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

Prices

Airlines

Other information

What is the cheapest month to fly to Kaua'i?

In general, November is the cheapest month to fly from Washington, D.C. to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $228. The month of May is another great option to travel to Kaua'i, with average flight prices from Washington, D.C. averaging around $351.

Can stopping save me money on Washington, D.C. to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Kaua'i.

Cheap Washington, D.C. to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Kaua'i

Fastest flight time	12h 46m
Direct flights	None

The fastest flight from Washington, D.C. to Kaua'i takes 12h 46m

There are no direct flights from Washington, D.C. to Kaua'i. There are no popular flight routes from Washington, D.C. to Kaua'i.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Kaua'i

When did momondo last update prices for flights from Washington, D.C. to Kaua'i?
Prices for flights from Washington, D.C. to Kaua'i refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Kaua'i?
The number of operators available for flights from Washington, D.C. to Kaua'i is 5 as of May 2026.
How old do you have to be to fly from Washington, D.C. to Kaua'i?
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 Washington, D.C. to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Kaua'i?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Kaua'i is Airbus A320-100/200 (11.07% of total bookings). The next most popular plane models are Airbus A320neo (10.90%), Boeing 777 (10.76%), and Airbus A321neo (9.07%).

Best airlines flying from Washington, D.C. to Kaua'i

Compare and see reviews for airlines that fly from Washington, D.C. to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
Alaska Airlines	PriceFrom $376	Free Cancellation	Rating 7.9 12,377 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,730 reviews	Search United Airlines flights
American Airlines	PriceFrom $583	Free Cancellation	Rating 7.1 11,654 reviews	Search American Airlines flights
Southwest	PriceFrom $731	Free Cancellation	Rating 8.0 4,291 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Kaua'i?

It is quick and easy to find Washington, D.C. to Kaua'i flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kaua'i that suits you.

Can I find flights from Washington, D.C. to Kaua'i with flexible booking policies on momondo?

Yes. All flights to Kaua'i from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Kaua'i?

momondo helps you find the best flight between Washington, D.C. and Kaua'i 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 Washington, D.C. to Kaua'i right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Kaua'i now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kaua'i and let you know when they change.