What is the cheapest flight from Washington, D.C. to Hilo?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Hilo was $422 for a one-way ticket and $553 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Washington, D.C. and Hilo?

A passport is not required to fly from Washington, D.C. to Hilo. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Washington, D.C. to Hilo?

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Hilo Intl. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Washington, D.C. to Hilo?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to Hilo?

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, D.C. to Hilo. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Hilo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hilo from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington, D.C. to Hilo?

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 to Hilo with an airline and back to Washington, D.C. with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Hilo?

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 to Hilo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Which airlines provide the cheapest flights from Washington, D.C. to Hilo?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Hilo were found on United Airlines ($835) and Southwest ($996).

What are the most popular airlines flying to Hilo Intl?

The most popular airline among KAYAK users flying to Hilo Intl is United Airlines, followed by Alaska Airlines and American Airlines.

$450 CHEAP FLIGHTS from Washington, D.C. to Hilo (WAS - ITO)

WAS - ITO

KAYAK searches hundreds of travel sites at once for deals on flights to Hilo

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$553

Typical prices: $636-$623

Multiple Airlines

Mon 9/21Wed 9/23

BWI - ITO • 2 stops

Cheapest one-way

$450

Multiple Airlines

Tue 5/12

DCA - ITO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Washington, D.C. and Hilo. You'll need at least 2 connections.

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Hilo!

Flight Deals

Cheap Flights from Washington, D.C. to Hilo (WAS-ITO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington, D.C. to Hilo

Mon, Sep 21 - Wed, Sep 23

7:50 am - 8:13 pm

BWI

ITO

18h 23m

2 stops

6:49 pm - 3:34 pm

ITO

BWI

14h 45m

2 stops

$553Multiple Airlines

Mon, Sep 21 - Wed, Sep 23

7:00 am - 7:12 pm

IAD

ITO

18h 12m

2 stops

7:44 pm - 4:54 pm

ITO

IAD

15h 10m

2 stops

$553Multiple Airlines

Mon, Sep 21 - Wed, Sep 23

7:50 am - 7:12 pm

BWI

ITO

17h 22m

2 stops

6:49 pm - 3:34 pm

ITO

BWI

14h 45m

2 stops

$555Multiple Airlines

Mon, Sep 21 - Wed, Sep 23

7:00 am - 8:13 pm

IAD

ITO

19h 13m

2 stops

7:44 pm - 6:14 pm

ITO

IAD

16h 30m

2 stops

$555Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

10:59 am - 9:54 pm

DCA

ITO

16h 55m

2 stops

6:49 pm - 8:00 pm

ITO

DCA

19h 11m

2 stops

$612Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

7:50 am - 8:13 pm

BWI

ITO

18h 23m

2 stops

7:44 pm - 5:16 pm

ITO

BWI

15h 32m

2 stops

$620Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

7:00 am - 8:13 pm

IAD

ITO

19h 13m

2 stops

7:44 pm - 4:54 pm

ITO

IAD

15h 10m

2 stops

$620Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

7:50 am - 7:12 pm

BWI

ITO

17h 22m

2 stops

6:00 am - 6:30 am

ITO

BWI

18h 30m

2 stops

$626Multiple Airlines

Sun, Sep 6 - Fri, Sep 11

10:59 am - 9:54 pm

DCA

ITO

16h 55m

2 stops

8:45 pm - 8:00 pm

ITO

DCA

17h 15m

2 stops

$626Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

7:00 am - 7:12 pm

IAD

ITO

18h 12m

2 stops

7:35 am - 5:40 am

ITO

IAD

16h 05m

2 stops

$626Multiple Airlines

Booking Insights

Cheapest flight	$450

Flight from Reagan Washington National Airport to Hilo

When to book flights from Washington, D.C. to Hilo

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Hilo based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Washington, D.C. to Hilo?
In the last 3 days, the lowest price for a flight from Washington, D.C. to Hilo was $422 for a one-way ticket and $553 for a round-trip.
Do I need a passport to fly between Washington, D.C. and Hilo?
A passport is not required to fly from Washington, D.C. to Hilo.
Which airports will I be using when flying from Washington, D.C. to Hilo?
When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Hilo Intl.
Which aircraft models fly most regularly from Washington, D.C. to Hilo?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Washington, D.C. to Hilo?
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, D.C. to Hilo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Hilo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hilo from Washington, D.C. 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, D.C. to Hilo?
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 to Hilo with an airline and back to Washington, D.C. with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Hilo?
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 to Hilo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
Which airlines provide the cheapest flights from Washington, D.C. to Hilo?
In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Hilo were found on United Airlines ($835) and Southwest ($996).

Everything you need to know for your flight from Washington, D.C. to Hilo

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Hilo (ITO)

WAS - ITO

$422 Find Cheap Flights from Washington, D.C. to Hilo

KAYAK searches hundreds of travel sites at once for deals on flights to Hilo

Everything you should know

Cheap Flights from Washington, D.C. to Hilo (WAS-ITO)

Recent round-trip flight deals from Washington, D.C. to Hilo

Recent one-way flight deals from Washington, D.C. to Hilo

Recent last minute flight deals from Washington, D.C. to Hilo

Good to know

When to book flights from Washington, D.C. to Hilo

FAQs for booking flights from Washington, D.C. to Hilo

What is the cheapest flight from Washington, D.C. to Hilo?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Hilo was $422 for a one-way ticket and $553 for a round-trip.

Do I need a passport to fly between Washington, D.C. and Hilo?

A passport is not required to fly from Washington, D.C. to Hilo.

Which airports will I be using when flying from Washington, D.C. to Hilo?

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Hilo Intl.

Which aircraft models fly most regularly from Washington, D.C. to Hilo?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to Hilo?

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, D.C. to Hilo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Hilo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hilo from Washington, D.C. 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, D.C. to Hilo?

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 to Hilo with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Hilo?

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 to Hilo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from Washington, D.C. to Hilo?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Hilo were found on United Airlines ($835) and Southwest ($996).

Everything you need to know for your flight from Washington, D.C. to Hilo

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Hilo

Complete your trip to Hilo with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Hilo

Flights to other popular destinations

Flights from domestic origins to Hilo

Choose which airport to fly into in Hilo

Find deals for your return flight