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Cheap flights from Hilo to Washington, D.C. from $430

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 3/8. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:41 pm - 5:20 pm
ITO
-
IAD
16h 39m
2 stops
Multiple Airlines Logo
6:20 pm - 9:24 pm
IAD
-
ITO
32h 04m
2 stops
$662Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
7:41 pm - 5:20 pm
ITO
-
IAD
16h 39m
2 stops
Multiple Airlines Logo
6:20 pm - 9:24 pm
IAD
-
ITO
32h 04m
2 stops
$671Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
6:44 pm - 5:22 pm
ITO
-
IAD
16h 38m
2 stops
Multiple Airlines Logo
7:00 am - 5:41 pm
IAD
-
ITO
16h 41m
2 stops
$804Multiple Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
8:30 pm - 7:16 am
ITO
-
IAD
29h 46m
1 stop
United Airlines Logo
6:20 am - 6:34 pm
IAD
-
ITO
17h 14m
2 stops
$900United Airlines
Wed, Feb 18 - Sun, Feb 22
Delta Logo
9:58 am - 11:32 am
ITO
-
IAD
19h 34m
2 stops
Delta Logo
6:00 am - 7:13 pm
IAD
-
ITO
19h 13m
2 stops
$1,298Delta
Wed, Mar 18 - Sat, Mar 21
Delta Logo
8:57 am - 9:10 am
ITO
-
IAD
18h 13m
2 stops
Delta Logo
7:00 am - 8:28 pm
IAD
-
ITO
19h 28m
2 stops
$1,338Delta
Wed, Mar 18 - Sat, Mar 21
United Airlines Logo
6:00 am - 7:01 am
ITO
-
IAD
19h 01m
1 stop
United Airlines Logo
6:30 am - 5:41 pm
IAD
-
ITO
17h 11m
2 stops
$1,548United Airlines
Mon, Apr 6 - Mon, Apr 20
American Airlines Logo
3:09 pm - 1:32 pm
ITO
-
IAD
16h 23m
3 stops
American Airlines Logo
6:00 am - 7:13 pm
IAD
-
ITO
19h 13m
2 stops
$1,571American Airlines
Wed, Mar 18 - Sat, Mar 21
American Airlines Logo
3:09 pm - 1:32 pm
ITO
-
IAD
16h 23m
3 stops
American Airlines Logo
6:00 am - 10:33 pm
IAD
-
ITO
22h 33m
2 stops
$1,595American Airlines
Wed, Mar 18 - Sat, Mar 21
American Airlines Logo
5:57 pm - 4:16 pm
ITO
-
IAD
16h 19m
3 stops
American Airlines Logo
6:00 am - 10:33 pm
IAD
-
ITO
22h 33m
2 stops
$2,408American Airlines
Sat, Mar 21 - Sat, Mar 28

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

Our best Delta deals on Hilo to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Mar 18
ITO9:58 amHilo Intl
19h 34m
2 stops
IAD11:32 amWashington, D.C. Dulles Intl
Mar 21
IAD6:00 amWashington, D.C. Dulles Intl
19h 13m
2 stops
ITO7:13 pmHilo Intl
$1,298
Delta
Mar 18
ITO8:57 amHilo Intl
18h 13m
2 stops
IAD9:10 amWashington, D.C. Dulles Intl
Mar 21
IAD7:00 amWashington, D.C. Dulles Intl
19h 28m
2 stops
ITO8:28 pmHilo Intl
$1,338

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

Our best American Airlines deals on Hilo to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Mar 18
ITO3:09 pmHilo Intl
16h 23m
3 stops
IAD1:32 pmWashington, D.C. Dulles Intl
Mar 21
IAD6:00 amWashington, D.C. Dulles Intl
19h 13m
2 stops
ITO7:13 pmHilo Intl
$1,571
American Airlines
Mar 18
ITO3:09 pmHilo Intl
16h 23m
3 stops
IAD1:32 pmWashington, D.C. Dulles Intl
Mar 21
IAD6:00 amWashington, D.C. Dulles Intl
22h 33m
2 stops
ITO10:33 pmHilo Intl
$1,595
American Airlines
Mar 21
ITO5:57 pmHilo Intl
16h 19m
3 stops
IAD4:16 pmWashington, D.C. Dulles Intl
Mar 28
IAD6:00 amWashington, D.C. Dulles Intl
22h 33m
2 stops
ITO10:33 pmHilo Intl
$2,408

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 January 27, 2026.
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 2/18

7:41 pm-5:20 pm

2 stops16h 39m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-9:24 pm

2 stops32h 04m

$662

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 2/18

7:41 pm-5:20 pm

2 stops16h 39m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-9:24 pm

2 stops32h 04m

$671

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 4/6

6:44 pm-5:22 pm

2 stops16h 38m

Washington, D.C. Dulles Intl

Mon 4/20

7:00 am-5:41 pm

2 stops16h 41m

$804

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 2/18

8:30 pm-7:16 am

1 stop29h 46m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 am-6:34 pm

2 stops17h 14m

$900

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/18

9:58 am-11:32 am

2 stops19h 34m

Washington, D.C. Dulles Intl

Sat 3/21

6:00 am-7:13 pm

2 stops19h 13m

$1,298

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/18

8:57 am-9:10 am

2 stops18h 13m

Washington, D.C. Dulles Intl

Sat 3/21

7:00 am-8:28 pm

2 stops19h 28m

$1,338

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 4/6

6:00 am-7:01 am

1 stop19h 01m

Washington, D.C. Dulles Intl

Mon 4/20

6:30 am-5:41 pm

2 stops17h 11m

$1,548

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/18

3:09 pm-1:32 pm

3 stops16h 23m

Washington, D.C. Dulles Intl

Sat 3/21

6:00 am-7:13 pm

2 stops19h 13m

$1,571

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/18

3:09 pm-1:32 pm

3 stops16h 23m

Washington, D.C. Dulles Intl

Sat 3/21

6:00 am-10:33 pm

2 stops22h 33m

$1,595

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Sat 3/21

5:57 pm-4:16 pm

3 stops16h 19m

Washington, D.C. Dulles Intl

Sat 3/28

6:00 am-10:33 pm

2 stops22h 33m

$2,408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 35% 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

Fastest flight time

15h 50m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 15h 50m
There are no direct flights from Hilo to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Hilo to 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. 15h 50m 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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

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