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Cheap flights from Hilo to Washington, D.C. from $671

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 9/25. 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

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 - 9:54 pm
IAD
-
ITO
20h 54m
2 stops
$671Multiple Airlines
Fri, Sep 25 - Tue, Sep 29
Multiple Airlines Logo
6:49 pm - 4:33 pm
ITO
-
IAD
15h 44m
2 stops
Multiple Airlines Logo
7:24 pm - 4:15 pm
IAD
-
ITO
26h 51m
2 stops
$733Multiple Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
6:49 pm - 4:33 pm
ITO
-
IAD
15h 44m
2 stops
Multiple Airlines Logo
7:24 pm - 4:15 pm
IAD
-
ITO
26h 51m
2 stops
$759Multiple Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
7:02 pm - 5:11 pm
ITO
-
IAD
16h 09m
2 stops
Multiple Airlines Logo
8:00 pm - 9:59 pm
IAD
-
ITO
31h 59m
2 stops
$899Multiple Airlines
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
8:45 pm - 6:20 am
ITO
-
IAD
27h 35m
1 stop
United Airlines Logo
6:30 am - 9:59 pm
IAD
-
ITO
21h 29m
2 stops
$1,165United Airlines
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
7:35 am - 6:20 am
ITO
-
IAD
16h 45m
1 stop
United Airlines Logo
8:30 am - 7:12 pm
IAD
-
ITO
16h 42m
1 stop
$1,333United Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
8:45 pm - 7:34 pm
ITO
-
IAD
16h 49m
3 stops
American Airlines Logo
9:20 am - 8:13 pm
IAD
-
ITO
16h 53m
3 stops
$1,731American Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
8:45 pm - 7:34 pm
ITO
-
IAD
16h 49m
3 stops
American Airlines Logo
6:14 am - 4:15 pm
IAD
-
ITO
16h 01m
2 stops
$2,756American Airlines
Tue, Jul 7 - Sat, Jul 11

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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
Jul 7
ITO8:45 pmHilo Intl
27h 35m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Jul 11
IAD6:30 amWashington, D.C. Dulles Intl
21h 29m
2 stops
ITO9:59 pmHilo Intl
$1,165
United Airlines
Jul 7
ITO7:35 amHilo Intl
16h 45m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Jul 11
IAD8:30 amWashington, D.C. Dulles Intl
16h 42m
1 stop
ITO7:12 pmHilo Intl
$1,333

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 7
ITO8:45 pmHilo Intl
16h 49m
3 stops
IAD7:34 pmWashington, D.C. Dulles Intl
Jul 11
IAD9:20 amWashington, D.C. Dulles Intl
16h 53m
3 stops
ITO8:13 pmHilo Intl
$1,731
American Airlines
Jul 7
ITO8:45 pmHilo Intl
16h 49m
3 stops
IAD7:34 pmWashington, D.C. Dulles Intl
Jul 11
IAD6:14 amWashington, D.C. Dulles Intl
16h 01m
2 stops
ITO4:15 pmHilo Intl
$2,756

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 June 15, 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

Fri 9/25

5:58 pm-6:14 pm

2 stops18h 16m

Washington, D.C. Dulles Intl

Tue 9/29

7:00 am-9:54 pm

2 stops20h 54m

$671

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 10/27

6:49 pm-4:33 pm

2 stops15h 44m

Washington, D.C. Dulles Intl

Wed 10/28

7:24 pm-4:15 pm

2 stops26h 51m

$733

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 10/27

6:49 pm-4:33 pm

2 stops15h 44m

Washington, D.C. Dulles Intl

Wed 10/28

7:24 pm-4:15 pm

2 stops26h 51m

$759

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 7/7

7:02 pm-5:11 pm

2 stops16h 09m

Washington, D.C. Dulles Intl

Sat 7/11

8:00 pm-9:59 pm

2 stops31h 59m

$899

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 7/7

8:45 pm-6:20 am

1 stop27h 35m

Washington, D.C. Dulles Intl

Sat 7/11

6:30 am-9:59 pm

2 stops21h 29m

$1,165

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 7/7

7:35 am-6:20 am

1 stop16h 45m

Washington, D.C. Dulles Intl

Sat 7/11

8:30 am-7:12 pm

1 stop16h 42m

$1,333

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 7/7

8:45 pm-7:34 pm

3 stops16h 49m

Washington, D.C. Dulles Intl

Sat 7/11

9:20 am-8:13 pm

3 stops16h 53m

$1,731
Quickest round-trip

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 7/7

8:45 pm-7:34 pm

3 stops16h 49m

Washington, D.C. Dulles Intl

Sat 7/11

6:14 am-4:15 pm

2 stops16h 01m

$2,756
Cheapest one-way
Quickest one-way

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Fri 11/27

7:44 pm-7:01 pm

2 stops18h 17m

$922

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Fri 11/27

8:45 pm-7:12 am

1 stop29h 27m

$1,634

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

18h 16m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 18h 16m
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. 18h 16m 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
Gaithersburg
Fredericksburg
Colonial Beach
Rockville
Silver Spring
Linthicum Heights
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

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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