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Cheap flights from Hilo to Washington, D.C. from $555

This is the cheapest round-trip 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 9/24. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:58 pm - 6:14 pm
ITO
-
IAD
18h 16m
2 stops
Multiple Airlines Logo
7:00 am - 8:13 pm
IAD
-
ITO
19h 13m
2 stops
$555Multiple Airlines
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
4:44 pm - 4:44 pm
ITO
-
IAD
18h 00m
2 stops
Multiple Airlines Logo
7:00 am - 7:12 pm
IAD
-
ITO
18h 12m
2 stops
$721Multiple Airlines
Mon, Aug 31 - Wed, Sep 2
Multiple Airlines Logo
6:49 pm - 6:14 pm
ITO
-
IAD
17h 25m
2 stops
Multiple Airlines Logo
7:00 am - 8:13 pm
IAD
-
ITO
19h 13m
2 stops
$831Multiple Airlines
Mon, Aug 31 - Wed, Sep 2
Multiple Airlines Logo
8:53 am - 5:50 am
ITO
-
IAD
14h 57m
2 stops
Multiple Airlines Logo
6:00 am - 5:53 pm
IAD
-
ITO
17h 53m
2 stops
$907Multiple Airlines
Mon, May 11 - Tue, May 19
Multiple Airlines Logo
7:04 pm - 4:35 pm
ITO
-
IAD
15h 31m
2 stops
Multiple Airlines Logo
6:03 am - 6:17 pm
IAD
-
ITO
18h 14m
2 stops
$954Multiple Airlines
Wed, May 27 - Tue, Jun 23
Multiple Airlines Logo
7:04 pm - 4:35 pm
ITO
-
IAD
15h 31m
2 stops
Multiple Airlines Logo
9:30 am - 6:17 pm
IAD
-
ITO
14h 47m
2 stops
$1,051Multiple Airlines
Wed, May 27 - Wed, Jun 24
Multiple Airlines Logo
8:36 am - 11:59 pm
ITO
-
IAD
33h 23m
2 stops
Multiple Airlines Logo
6:03 am - 6:17 pm
IAD
-
ITO
18h 14m
2 stops
$1,091Multiple Airlines
Tue, Jun 9 - Sun, Jun 14
United Airlines Logo
7:42 am - 6:42 am
ITO
-
IAD
17h 00m
2 stops
United Airlines Logo
9:45 am - 7:12 pm
IAD
-
ITO
15h 27m
2 stops
$1,126United Airlines
Thu, May 28 - Wed, Jun 24
United Airlines Logo
7:42 am - 6:58 am
ITO
-
IAD
17h 16m
2 stops
United Airlines Logo
8:30 am - 9:59 pm
IAD
-
ITO
19h 29m
1 stop
$1,146United Airlines
Wed, May 27 - Thu, Jun 25
United Airlines Logo
7:42 am - 6:42 am
ITO
-
IAD
17h 00m
2 stops
United Airlines Logo
9:45 am - 9:59 pm
IAD
-
ITO
18h 14m
2 stops
$1,156United Airlines
Wed, May 27 - Mon, Jun 22

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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
May 28
ITO7:42 amHilo Intl
17h 00m
2 stops
IAD6:42 amWashington, D.C. Dulles Intl
Jun 24
IAD9:45 amWashington, D.C. Dulles Intl
15h 27m
2 stops
ITO7:12 pmHilo Intl
$1,126
United Airlines
May 27
ITO7:42 amHilo Intl
17h 16m
2 stops
IAD6:58 amWashington, D.C. Dulles Intl
Jun 25
IAD8:30 amWashington, D.C. Dulles Intl
19h 29m
1 stop
ITO9:59 pmHilo Intl
$1,146
United Airlines
May 27
ITO7:42 amHilo Intl
17h 00m
2 stops
IAD6:42 amWashington, D.C. Dulles Intl
Jun 22
IAD9:45 amWashington, D.C. Dulles Intl
18h 14m
2 stops
ITO9:59 pmHilo Intl
$1,156

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
Jul 15
ITO4:47 pmHilo Intl
19h 45m
2 stops
IAD6:32 pmWashington, D.C. Dulles Intl
Jul 21
IAD6:23 amWashington, D.C. Dulles Intl
15h 52m
2 stops
ITO4:15 pmHilo Intl
$1,631
American Airlines
Jul 15
ITO3:45 pmHilo Intl
20h 47m
2 stops
IAD6:32 pmWashington, D.C. Dulles Intl
Jul 21
IAD6:23 amWashington, D.C. Dulles Intl
15h 52m
2 stops
ITO4:15 pmHilo Intl
$1,647
American Airlines
Jul 15
ITO3:45 pmHilo Intl
20h 47m
2 stops
IAD6:32 pmWashington, D.C. Dulles Intl
Jul 21
IAD9:20 amWashington, D.C. Dulles Intl
16h 53m
3 stops
ITO8:13 pmHilo Intl
$1,711

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 May 1, 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

Thu 9/24

5:58 pm-6:14 pm

2 stops18h 16m

Washington, D.C. Dulles Intl

Mon 9/28

7:00 am-8:13 pm

2 stops19h 13m

$555

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 8/31

4:44 pm-4:44 pm

2 stops18h 00m

Washington, D.C. Dulles Intl

Wed 9/2

7:00 am-7:12 pm

2 stops18h 12m

$721

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 8/31

6:49 pm-6:14 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

Wed 9/2

7:00 am-8:13 pm

2 stops19h 13m

$831

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 5/11

8:53 am-5:50 am

2 stops14h 57m

Washington, D.C. Dulles Intl

Tue 5/19

6:00 am-5:53 pm

2 stops17h 53m

$907

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 5/27

7:04 pm-4:35 pm

2 stops15h 31m

Washington, D.C. Dulles Intl

Tue 6/23

6:03 am-6:17 pm

2 stops18h 14m

$954
Quickest round-trip

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 5/27

7:04 pm-4:35 pm

2 stops15h 31m

Washington, D.C. Dulles Intl

Wed 6/24

9:30 am-6:17 pm

2 stops14h 47m

$1,051

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 6/9

8:36 am-11:59 pm

2 stops33h 23m

Washington, D.C. Dulles Intl

Sun 6/14

6:03 am-6:17 pm

2 stops18h 14m

$1,091

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 5/28

7:42 am-6:42 am

2 stops17h 00m

Washington, D.C. Dulles Intl

Wed 6/24

9:45 am-7:12 pm

2 stops15h 27m

$1,126

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 5/27

7:42 am-6:58 am

2 stops17h 16m

Washington, D.C. Dulles Intl

Thu 6/25

8:30 am-9:59 pm

1 stop19h 29m

$1,146

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 5/27

7:42 am-6:42 am

2 stops17h 00m

Washington, D.C. Dulles Intl

Mon 6/22

9:45 am-9:59 pm

2 stops18h 14m

$1,156

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

14h 57m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 14h 57m
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

Frequently asked questions about flying from Hilo to Washington, D.C. Dulles Intl Airport

  • 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 57m 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
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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.

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