Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hilo to Washington, D.C. from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hilo to Washington, D.C. departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hilo to Washington, D.C.

Cheap round-trip flights

Alaska Airlines Logo
6:26 pm - 5:13 pmITO-IAD
16h 47m2 stops
Alaska Airlines Logo
7:43 am - 8:30 pmIAD-ITO
17h 47m2 stops
$513Alaska Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2
Alaska Airlines Logo
8:36 am - 7:33 amITO-IAD
16h 57m2 stops
Alaska Airlines Logo
9:00 am - 10:17 pmIAD-ITO
19h 17m2 stops
$547Alaska Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 17
Alaska Airlines Logo
9:00 pm - 7:33 amITO-IAD
28h 33m2 stops
Alaska Airlines Logo
9:00 am - 10:17 pmIAD-ITO
19h 17m2 stops
$618Alaska Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
Alaska Airlines Logo
6:10 pm - 5:09 pmITO-IAD
16h 59m2 stops
Alaska Airlines Logo
7:00 am - 5:39 pmIAD-ITO
16h 39m2 stops
$749Alaska Airlines
Find Deal
Tue, Sep 2 - Sun, Sep 7
Alaska Airlines Logo
9:00 pm - 12:23 amITO-IAD
21h 23m2 stops
Alaska Airlines Logo
9:00 am - 10:17 pmIAD-ITO
19h 17m2 stops
$784Alaska Airlines
Find Deal
Tue, Sep 2 - Sun, Sep 7
United Airlines Logo
8:36 am - 3:34 pmITO-IAD
24h 58m2 stops
United Airlines Logo
10:14 pm - 8:07 amIAD-ITO
39h 53m2 stops
$862United Airlines
Find Deal
Tue, Sep 2 - Mon, Sep 8
United Airlines Logo
8:36 am - 3:34 pmITO-IAD
24h 58m2 stops
United Airlines Logo
6:35 am - 8:07 amIAD-ITO
31h 32m2 stops
$873United Airlines
Find Deal
Tue, Sep 2 - Sun, Sep 7
United Airlines Logo
8:36 am - 1:26 pmITO-IAD
22h 50m2 stops
United Airlines Logo
10:14 pm - 8:07 amIAD-ITO
39h 53m2 stops
$878United Airlines
Find Deal
Tue, Sep 2 - Mon, Sep 8
American Airlines Logo
2:56 pm - 10:57 amITO-IAD
14h 01m2 stops
American Airlines Logo
6:25 am - 8:30 pmIAD-ITO
20h 05m3 stops
$1,476American Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
American Airlines Logo
7:00 pm - 4:50 pmITO-IAD
15h 50m3 stops
American Airlines Logo
6:25 am - 8:30 pmIAD-ITO
20h 05m3 stops
$1,668American Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25

United Airlines flights from Hilo to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Hilo to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 2
ITO8:36 amHilo Intl
24h 58m
2 stops
IAD3:34 pmWashington, D.C. Dulles Intl
Sep 8
IAD10:14 pmWashington, D.C. Dulles Intl
39h 53m
2 stops
ITO8:07 amHilo Intl
$862
Find similar
United Airlines
Sep 2
ITO8:36 amHilo Intl
24h 58m
2 stops
IAD3:34 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:35 amWashington, D.C. Dulles Intl
31h 32m
2 stops
ITO8:07 amHilo Intl
$873
Find similar
United Airlines
Sep 2
ITO8:36 amHilo Intl
22h 50m
2 stops
IAD1:26 pmWashington, D.C. Dulles Intl
Sep 8
IAD10:14 pmWashington, D.C. Dulles Intl
39h 53m
2 stops
ITO8:07 amHilo Intl
$878
Find similar

Alaska Airlines flights from Hilo to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on Hilo to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Oct 29
ITO6:26 pmHilo Intl
16h 47m
2 stops
IAD5:13 pmWashington, D.C. Dulles Intl
Nov 2
IAD7:43 amWashington, D.C. Dulles Intl
17h 47m
2 stops
ITO8:30 pmHilo Intl
$513
Find similar
Alaska Airlines
Sep 9
ITO8:36 amHilo Intl
16h 57m
2 stops
IAD7:33 amWashington, D.C. Dulles Intl
Sep 17
IAD9:00 amWashington, D.C. Dulles Intl
19h 17m
2 stops
ITO10:17 pmHilo Intl
$547
Find similar
Alaska Airlines
Sep 18
ITO9:00 pmHilo Intl
28h 33m
2 stops
IAD7:33 amWashington, D.C. Dulles Intl
Sep 25
IAD9:00 amWashington, D.C. Dulles Intl
19h 17m
2 stops
ITO10:17 pmHilo Intl
$618
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hilo to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Hilo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 10/29

6:26 pm-5:13 pm

2 stops16h 47m

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-8:30 pm

2 stops17h 47m

$513

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/9

8:36 am-7:33 am

2 stops16h 57m

Washington, D.C. Dulles Intl

Wed 9/17

9:00 am-10:17 pm

2 stops19h 17m

$547

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 9/18

9:00 pm-7:33 am

2 stops28h 33m

Washington, D.C. Dulles Intl

Thu 9/25

9:00 am-10:17 pm

2 stops19h 17m

$618

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/2

6:10 pm-5:09 pm

2 stops16h 59m

Washington, D.C. Dulles Intl

Sun 9/7

7:00 am-5:39 pm

2 stops16h 39m

$749

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/2

9:00 pm-12:23 am

2 stops21h 23m

Washington, D.C. Dulles Intl

Sun 9/7

9:00 am-10:17 pm

2 stops19h 17m

$784

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/2

8:36 am-3:34 pm

2 stops24h 58m

Washington, D.C. Dulles Intl

Mon 9/8

10:14 pm-8:07 am

2 stops39h 53m

$862

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/2

8:36 am-3:34 pm

2 stops24h 58m

Washington, D.C. Dulles Intl

Sun 9/7

6:35 am-8:07 am

2 stops31h 32m

$873

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 9/2

8:36 am-1:26 pm

2 stops22h 50m

Washington, D.C. Dulles Intl

Mon 9/8

10:14 pm-8:07 am

2 stops39h 53m

$878

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 9/18

2:56 pm-10:57 am

2 stops14h 01m

Washington, D.C. Dulles Intl

Thu 9/25

6:25 am-8:30 pm

3 stops20h 05m

$1,476

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 9/18

7:00 pm-4:50 pm

3 stops15h 50m

Washington, D.C. Dulles Intl

Thu 9/25

6:25 am-8:30 pm

3 stops20h 05m

$1,668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Hilo to Washington, D.C. Dulles Intl Airport

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

Can stopping save me money on Hilo to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 50% on your flight if you consider stops on a Hilo to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Hilo to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Hilo to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hilo to Washington, D.C. Dulles Intl Airport (ITO to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hilo to Washington, D.C. Dulles Intl Airport

Best Price Found

$276

Fastest flight time

14h 01m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Hilo in the past 72 hours is $276. The best round-trip flight deal from Hilo to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $513.
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 14h 01m
There are no direct flights from Hilo to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Hilo Intl Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Hilo Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Hilo Intl and Washington, D.C. Dulles Intl is about 4719.4 mi. 14h 01m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Hilo Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Hilo Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Hilo Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hilo Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hilo to Washington, D.C. for you.

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

Yes. momondo allows you to filter the results for Hilo to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Hilo to Washington, D.C.?

Once you have performed a search for Hilo to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Hilo to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Hilo and alert you when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/19
Tue 8/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.