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Cheap flights from Hilo to Washington, D.C. from $501

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 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:44 pm - 5:20 pm
ITO
-
IAD
17h 36m2 stops
Multiple Airlines Logo
6:27 pm - 4:00 pm
IAD
-
ITO
26h 33m2 stops
$501Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Alaska Airlines Logo
1:45 pm - 5:20 pm
ITO
-
IAD
22h 35m2 stops
Alaska Airlines Logo
6:27 pm - 4:00 pm
IAD
-
ITO
26h 33m2 stops
$544Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
6:00 am - 7:16 am
ITO
-
IAD
20h 16m1 stop
United Airlines Logo
8:25 am - 6:41 pm
IAD
-
ITO
15h 16m1 stop
$825United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
7:42 am - 7:15 am
ITO
-
IAD
18h 33m2 stops
United Airlines Logo
8:25 am - 5:29 pm
IAD
-
ITO
14h 04m1 stop
$835United Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
6:44 pm - 5:21 pm
ITO
-
IAD
17h 37m2 stops
Multiple Airlines Logo
6:04 pm - 2:32 pm
IAD
-
ITO
25h 28m2 stops
$876Multiple Airlines
Wed, Dec 31 - Wed, Jan 7
United Airlines Logo
4:40 pm - 3:34 pm
ITO
-
IAD
17h 54m2 stops
United Airlines Logo
8:15 am - 7:59 pm
IAD
-
ITO
16h 44m1 stop
$1,004United Airlines
Wed, Dec 31 - Wed, Jan 7
Delta Logo
3:44 pm - 12:13 pm
ITO
-
IAD
15h 29m2 stops
Delta Logo
6:00 am - 9:15 pm
IAD
-
ITO
20h 15m2 stops
$1,187Delta
Wed, Dec 24 - Tue, Dec 30
Delta Logo
1:44 pm - 9:46 am
ITO
-
IAD
15h 02m2 stops
Delta Logo
6:00 am - 7:04 pm
IAD
-
ITO
18h 04m2 stops
$1,334Delta
Tue, Dec 23 - Fri, Jan 9
Delta Logo
1:44 pm - 12:13 pm
ITO
-
IAD
17h 29m2 stops
Delta Logo
6:20 am - 7:04 pm
IAD
-
ITO
17h 44m2 stops
$1,507Delta
Tue, Dec 23 - Fri, Jan 9
American Airlines Logo
7:44 pm - 5:05 pm
ITO
-
IAD
16h 21m3 stops
American Airlines Logo
6:00 am - 10:34 pm
IAD
-
ITO
21h 34m3 stops
$2,038American Airlines
Tue, Dec 23 - Fri, Jan 9

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
Feb 26
ITO6:00 amHilo Intl
20h 16m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
Mar 2
IAD8:25 amWashington, D.C. Dulles Intl
15h 16m
1 stop
ITO6:41 pmHilo Intl
$825
Find similar
United Airlines
Feb 26
ITO7:42 amHilo Intl
18h 33m
2 stops
IAD7:15 amWashington, D.C. Dulles Intl
Mar 2
IAD8:25 amWashington, D.C. Dulles Intl
14h 04m
1 stop
ITO5:29 pmHilo Intl
$835
Find similar
United Airlines
Dec 31
ITO4:40 pmHilo Intl
17h 54m
2 stops
IAD3:34 pmWashington, D.C. Dulles Intl
Jan 7
IAD8:15 amWashington, D.C. Dulles Intl
16h 44m
1 stop
ITO7:59 pmHilo Intl
$1,004
Find similar

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
Dec 24
ITO3:44 pmHilo Intl
15h 29m
2 stops
IAD12:13 pmWashington, D.C. Dulles Intl
Dec 30
IAD6:00 amWashington, D.C. Dulles Intl
20h 15m
2 stops
ITO9:15 pmHilo Intl
$1,167
Find similar
Delta
Dec 24
ITO3:44 pmHilo Intl
15h 29m
2 stops
IAD12:13 pmWashington, D.C. Dulles Intl
Dec 30
IAD6:00 amWashington, D.C. Dulles Intl
20h 15m
2 stops
ITO9:15 pmHilo Intl
$1,187
Find similar
Delta
Dec 23
ITO1:44 pmHilo Intl
15h 02m
2 stops
IAD9:46 amWashington, D.C. Dulles Intl
Jan 9
IAD6:20 amWashington, D.C. Dulles Intl
17h 44m
2 stops
ITO7:04 pmHilo Intl
$1,244
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 December 11, 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

Thu 2/26

6:44 pm-5:20 pm

2 stops17h 36m

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-4:00 pm

2 stops26h 33m

$501

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 2/26

1:45 pm-5:20 pm

2 stops22h 35m

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-4:00 pm

2 stops26h 33m

$544

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 2/26

6:00 am-7:16 am

1 stop20h 16m

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-6:41 pm

1 stop15h 16m

$825

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 2/26

7:42 am-7:15 am

2 stops18h 33m

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-5:29 pm

1 stop14h 04m

$835

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/31

6:44 pm-5:21 pm

2 stops17h 37m

Washington, D.C. Dulles Intl

Wed 1/7

6:04 pm-2:32 pm

2 stops25h 28m

$876

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/31

4:40 pm-3:34 pm

2 stops17h 54m

Washington, D.C. Dulles Intl

Wed 1/7

8:15 am-7:59 pm

1 stop16h 44m

$1,004

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/24

3:44 pm-12:13 pm

2 stops15h 29m

Washington, D.C. Dulles Intl

Tue 12/30

6:00 am-9:15 pm

2 stops20h 15m

$1,187

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 12/23

1:44 pm-9:46 am

2 stops15h 02m

Washington, D.C. Dulles Intl

Fri 1/9

6:00 am-7:04 pm

2 stops18h 04m

$1,334

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 12/23

1:44 pm-12:13 pm

2 stops17h 29m

Washington, D.C. Dulles Intl

Fri 1/9

6:20 am-7:04 pm

2 stops17h 44m

$1,507

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 12/23

7:44 pm-5:05 pm

3 stops16h 21m

Washington, D.C. Dulles Intl

Fri 1/9

6:00 am-10:34 pm

3 stops21h 34m

$2,038

Flights are sorted by cheapest round-trip flights 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

17h 36m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 17h 36m
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. 17h 36m 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
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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