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Cheap flights from Hilo to Washington, D.C. from $347

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 4/22. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:04 pm - 5:42 pm
ITO
-
IAD
16h 38m
2 stops
Multiple Airlines Logo
7:48 pm - 10:09 pm
IAD
-
ITO
32h 21m
2 stops
$1,040Multiple Airlines
Tue, Jun 2 - Sun, Jun 14
United Airlines Logo
11:27 am - 7:30 am
ITO
-
IAD
14h 03m
2 stops
United Airlines Logo
7:00 am - 7:14 pm
IAD
-
ITO
18h 14m
2 stops
$1,154United Airlines
Tue, Jun 2 - Sun, Jun 14
United Airlines Logo
9:26 am - 7:33 am
ITO
-
IAD
16h 07m
2 stops
United Airlines Logo
9:10 am - 10:09 pm
IAD
-
ITO
18h 59m
2 stops
$1,174United Airlines
Tue, Jun 2 - Sun, Jun 14
Multiple Airlines Logo
8:23 am - 6:54 am
ITO
-
IAD
16h 31m
2 stops
Multiple Airlines Logo
7:48 pm - 10:09 pm
IAD
-
ITO
32h 21m
2 stops
$1,216Multiple Airlines
Wed, Jun 17 - Mon, Jun 22
Multiple Airlines Logo
7:44 pm - 6:11 pm
ITO
-
IAD
16h 27m
2 stops
Multiple Airlines Logo
7:11 pm - 5:27 pm
IAD
-
ITO
28h 16m
2 stops
$1,373Multiple Airlines
Wed, Mar 25 - Sun, Mar 29
Multiple Airlines Logo
9:00 pm - 5:14 pm
ITO
-
IAD
14h 14m
2 stops
Multiple Airlines Logo
7:48 pm - 10:09 pm
IAD
-
ITO
32h 21m
2 stops
$1,398Multiple Airlines
Sat, Jun 13 - Tue, Jun 16
American Airlines Logo
6:44 pm - 4:50 pm
ITO
-
IAD
16h 06m
3 stops
American Airlines Logo
6:00 am - 10:33 pm
IAD
-
ITO
22h 33m
2 stops
$1,687American Airlines
Wed, Mar 25 - Sun, Mar 29
American Airlines Logo
4:48 pm - 10:47 pm
ITO
-
IAD
23h 59m
2 stops
American Airlines Logo
11:59 am - 10:09 pm
IAD
-
ITO
16h 10m
3 stops
$1,728American Airlines
Tue, Jun 2 - Sun, Jun 14
American Airlines Logo
7:04 pm - 6:34 pm
ITO
-
IAD
17h 30m
3 stops
American Airlines Logo
11:59 am - 10:09 pm
IAD
-
ITO
16h 10m
3 stops
$1,780American Airlines
Tue, Jun 2 - Sun, Jun 14
Multiple Airlines Logo
6:44 pm - 6:20 pm
ITO
-
IAD
17h 36m
2 stops
Multiple Airlines Logo
9:00 am - 9:33 pm
IAD
-
ITO
18h 33m
2 stops
$1,875Multiple Airlines
Tue, May 5 - Tue, May 12

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
Jun 2
ITO11:27 amHilo Intl
14h 03m
2 stops
IAD7:30 amWashington, D.C. Dulles Intl
Jun 14
IAD7:00 amWashington, D.C. Dulles Intl
18h 14m
2 stops
ITO7:14 pmHilo Intl
$1,154
United Airlines
Jun 2
ITO9:26 amHilo Intl
16h 07m
2 stops
IAD7:33 amWashington, D.C. Dulles Intl
Jun 14
IAD9:10 amWashington, D.C. Dulles Intl
18h 59m
2 stops
ITO10:09 pmHilo Intl
$1,174
United Airlines
Mar 18
ITO8:23 amHilo Intl
17h 08m
2 stops
IAD7:31 amWashington, D.C. Dulles Intl
Mar 21
IAD2:36 pmWashington, D.C. Dulles Intl
57h 06m
2 stops
ITO5:42 pmHilo Intl
$1,447

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 25
ITO6:44 pmHilo Intl
16h 06m
3 stops
IAD4:50 pmWashington, D.C. Dulles Intl
Mar 29
IAD6:00 amWashington, D.C. Dulles Intl
22h 33m
2 stops
ITO10:33 pmHilo Intl
$1,687
American Airlines
Jun 2
ITO4:48 pmHilo Intl
23h 59m
2 stops
IAD10:47 pmWashington, D.C. Dulles Intl
Jun 14
IAD11:59 amWashington, D.C. Dulles Intl
16h 10m
3 stops
ITO10:09 pmHilo Intl
$1,728
American Airlines
Jun 2
ITO7:04 pmHilo Intl
17h 30m
3 stops
IAD6:34 pmWashington, D.C. Dulles Intl
Jun 14
IAD11:59 amWashington, D.C. Dulles Intl
16h 10m
3 stops
ITO10:09 pmHilo Intl
$1,780

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 March 12, 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

Cheapest round-trip

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/2

7:04 pm-5:42 pm

2 stops16h 38m

Washington, D.C. Dulles Intl

Sun 6/14

7:48 pm-10:09 pm

2 stops32h 21m

$1,040
Quickest round-trip

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/2

11:27 am-7:30 am

2 stops14h 03m

Washington, D.C. Dulles Intl

Sun 6/14

7:00 am-7:14 pm

2 stops18h 14m

$1,154

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/2

9:26 am-7:33 am

2 stops16h 07m

Washington, D.C. Dulles Intl

Sun 6/14

9:10 am-10:09 pm

2 stops18h 59m

$1,174

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 6/17

8:23 am-6:54 am

2 stops16h 31m

Washington, D.C. Dulles Intl

Mon 6/22

7:48 pm-10:09 pm

2 stops32h 21m

$1,216

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/25

7:44 pm-6:11 pm

2 stops16h 27m

Washington, D.C. Dulles Intl

Sun 3/29

7:11 pm-5:27 pm

2 stops28h 16m

$1,373

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Sat 6/13

9:00 pm-5:14 pm

2 stops14h 14m

Washington, D.C. Dulles Intl

Tue 6/16

7:48 pm-10:09 pm

2 stops32h 21m

$1,398

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 3/25

6:44 pm-4:50 pm

3 stops16h 06m

Washington, D.C. Dulles Intl

Sun 3/29

6:00 am-10:33 pm

2 stops22h 33m

$1,687

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/2

4:48 pm-10:47 pm

2 stops23h 59m

Washington, D.C. Dulles Intl

Sun 6/14

11:59 am-10:09 pm

3 stops16h 10m

$1,728

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/2

7:04 pm-6:34 pm

3 stops17h 30m

Washington, D.C. Dulles Intl

Sun 6/14

11:59 am-10:09 pm

3 stops16h 10m

$1,780

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 5/5

6:44 pm-6:20 pm

2 stops17h 36m

Washington, D.C. Dulles Intl

Tue 5/12

9:00 am-9:33 pm

2 stops18h 33m

$1,875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

16h 07m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 16h 07m
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. 16h 07m 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
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Sterling

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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