$253 Find Cheap Flights from Washington Dulles Airport to Kaua'i - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Kaua'i departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Dulles Intl to Kaua'i Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Kaua'i that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Kaua'i

Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
6:35 am - 3:40 pm
IAD
-
LIH
15h 05m
1 stop
United Airlines Logo
1:05 pm - 7:21 am
LIH
-
IAD
12h 16m
1 stop
$506United Airlines
Wed, Oct 28 - Tue, Nov 3
United Airlines Logo
8:20 am - 3:55 pm
IAD
-
LIH
13h 35m
1 stop
United Airlines Logo
8:30 pm - 12:55 pm
LIH
-
IAD
11h 25m
1 stop
$506United Airlines
Tue, Oct 27 - Wed, Nov 4
Multiple Airlines Logo
7:24 pm - 11:27 am
IAD
-
LIH
22h 03m
1 stop
Multiple Airlines Logo
11:45 am - 5:40 pm
LIH
-
IAD
24h 55m
1 stop
$506Multiple Airlines
Tue, Oct 27 - Wed, Nov 4
Multiple Airlines Logo
7:24 pm - 3:36 pm
IAD
-
LIH
26h 12m
2 stops
Multiple Airlines Logo
11:45 am - 5:40 pm
LIH
-
IAD
24h 55m
1 stop
$510Multiple Airlines
Tue, Oct 27 - Wed, Nov 4
Multiple Airlines Logo
7:24 pm - 3:59 pm
IAD
-
LIH
26h 35m
2 stops
Multiple Airlines Logo
11:45 am - 5:40 pm
LIH
-
IAD
24h 55m
1 stop
$511Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Delta Logo
7:25 am - 7:10 pm
IAD
-
LIH
17h 45m
1 stop
Delta Logo
9:54 pm - 11:14 pm
LIH
-
IAD
19h 20m
2 stops
$512Delta
Wed, Oct 28 - Tue, Nov 3
United Airlines Logo
6:11 am - 3:55 pm
IAD
-
LIH
15h 44m
2 stops
United Airlines Logo
2:03 pm - 7:12 am
LIH
-
IAD
12h 09m
1 stop
$512United Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
9:03 am - 8:14 pm
IAD
-
LIH
17h 11m
1 stop
Multiple Airlines Logo
2:30 pm - 6:14 pm
LIH
-
IAD
21h 44m
2 stops
$512Multiple Airlines
Sun, Sep 27 - Mon, Oct 5
Multiple Airlines Logo
7:47 pm - 11:36 am
IAD
-
LIH
21h 49m
1 stop
Multiple Airlines Logo
5:07 pm - 5:50 pm
LIH
-
IAD
18h 43m
2 stops
$512Multiple Airlines
Tue, Oct 27 - Wed, Nov 4
Multiple Airlines Logo
7:24 pm - 3:36 pm
IAD
-
LIH
26h 12m
2 stops
Multiple Airlines Logo
1:27 pm - 5:40 pm
LIH
-
IAD
23h 13m
2 stops
$516Multiple Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Kaua'i flights

Get data-powered insights and trends into flights from Dulles Intl to Kaua'i to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Kaua'i?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $559, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Kaua'i?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Kaua'i, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Kaua'i is November, when tickets cost $647 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,410 and $1,320 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

$253
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from Washington Dulles Airport to Lihue

FAQs - booking Kaua'i flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Kaua'i?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Kaua'i.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Kaua'i?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Kaua'i is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Kaua'i?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to Kaua'i with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Kaua'i?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Kaua'i up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Kaua'i

Information on your arrival and departure airports

Washington Dulles Airport (IAD)