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Cheap flights from Hilo to Washington, D.C. from $341

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 11/15. 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
5:57 pm - 1:14 pm
IAD
-
ITO
25h 17m
2 stops
$650Multiple Airlines
Wed, Sep 16 - Mon, Sep 21
Multiple Airlines Logo
6:19 pm - 5:40 pm
ITO
-
IAD
18h 21m
2 stops
Multiple Airlines Logo
7:46 am - 6:53 pm
IAD
-
ITO
16h 07m
2 stops
$671Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
6:19 pm - 5:40 pm
ITO
-
IAD
18h 21m
2 stops
Multiple Airlines Logo
7:46 am - 6:53 pm
IAD
-
ITO
16h 07m
2 stops
$687Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
6:19 pm - 5:40 pm
ITO
-
IAD
18h 21m
2 stops
Multiple Airlines Logo
7:46 am - 6:53 pm
IAD
-
ITO
16h 07m
2 stops
$691Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
6:19 pm - 5:40 pm
ITO
-
IAD
18h 21m
2 stops
Multiple Airlines Logo
7:46 am - 6:53 pm
IAD
-
ITO
16h 07m
2 stops
$711Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
8:45 pm - 6:14 pm
ITO
-
IAD
39h 29m
2 stops
Multiple Airlines Logo
7:00 am - 4:12 pm
IAD
-
ITO
15h 12m
2 stops
$844Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
American Airlines Logo
4:47 pm - 2:02 pm
ITO
-
IAD
15h 15m
2 stops
American Airlines Logo
6:09 am - 2:27 pm
IAD
-
ITO
14h 18m
2 stops
$1,117American Airlines
Wed, Aug 12 - Mon, Aug 17
American Airlines Logo
7:44 pm - 6:27 pm
ITO
-
IAD
16h 43m
3 stops
American Airlines Logo
6:09 am - 4:58 pm
IAD
-
ITO
16h 49m
2 stops
$1,124American Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
7:30 pm - 5:51 pm
ITO
-
IAD
17h 21m
2 stops
Multiple Airlines Logo
7:00 am - 6:53 pm
IAD
-
ITO
16h 53m
2 stops
$1,128Multiple Airlines
Mon, Dec 21 - Thu, Dec 31
United Airlines Logo
2:54 pm - 6:45 am
ITO
-
IAD
10h 51m
1 stop
United Airlines Logo
6:00 am - 6:19 pm
IAD
-
ITO
17h 19m
2 stops
$1,144United Airlines
Mon, Dec 21 - Thu, Dec 31

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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
Dec 21
ITO2:54 pmHilo Intl
10h 51m
1 stop
IAD6:45 amWashington, D.C. Dulles Intl
Dec 31
IAD6:00 amWashington, D.C. Dulles Intl
17h 19m
2 stops
ITO6:19 pmHilo Intl
$1,144
United Airlines
Aug 1
ITO1:59 pmHilo Intl
10h 21m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Aug 21
IAD6:42 amWashington, D.C. Dulles Intl
15h 30m
2 stops
ITO4:12 pmHilo Intl
$1,368
United Airlines
Aug 1
ITO1:59 pmHilo Intl
10h 21m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Aug 2
IAD8:30 amWashington, D.C. Dulles Intl
34h 44m
1 stop
ITO1:14 pmHilo Intl
$1,495

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
Aug 4
ITO4:47 pmHilo Intl
15h 15m
2 stops
IAD2:02 pmWashington, D.C. Dulles Intl
Aug 19
IAD6:09 amWashington, D.C. Dulles Intl
16h 03m
2 stops
ITO4:12 pmHilo Intl
$932
American Airlines
Aug 12
ITO4:47 pmHilo Intl
15h 15m
2 stops
IAD2:02 pmWashington, D.C. Dulles Intl
Aug 17
IAD6:09 amWashington, D.C. Dulles Intl
14h 18m
2 stops
ITO2:27 pmHilo Intl
$1,117
American Airlines
Aug 23
ITO7:44 pmHilo Intl
16h 43m
3 stops
IAD6:27 pmWashington, D.C. Dulles Intl
Aug 30
IAD6:09 amWashington, D.C. Dulles Intl
16h 49m
2 stops
ITO4:58 pmHilo Intl
$1,124

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 July 31, 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

Wed 9/16

5:58 pm-6:14 pm

2 stops18h 16m

Washington, D.C. Dulles Intl

Mon 9/21

5:57 pm-1:14 pm

2 stops25h 17m

$650

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 11/5

6:19 pm-5:40 pm

2 stops18h 21m

Washington, D.C. Dulles Intl

Mon 11/9

7:46 am-6:53 pm

2 stops16h 07m

$671

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 11/5

6:19 pm-5:40 pm

2 stops18h 21m

Washington, D.C. Dulles Intl

Mon 11/9

7:46 am-6:53 pm

2 stops16h 07m

$687

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 11/5

6:19 pm-5:40 pm

2 stops18h 21m

Washington, D.C. Dulles Intl

Mon 11/9

7:46 am-6:53 pm

2 stops16h 07m

$691

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 11/5

6:19 pm-5:40 pm

2 stops18h 21m

Washington, D.C. Dulles Intl

Mon 11/9

7:46 am-6:53 pm

2 stops16h 07m

$711

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Sun 8/23

8:45 pm-6:14 pm

2 stops39h 29m

Washington, D.C. Dulles Intl

Sun 8/30

7:00 am-4:12 pm

2 stops15h 12m

$844

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 8/12

4:47 pm-2:02 pm

2 stops15h 15m

Washington, D.C. Dulles Intl

Mon 8/17

6:09 am-2:27 pm

2 stops14h 18m

$1,117

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Sun 8/23

7:44 pm-6:27 pm

3 stops16h 43m

Washington, D.C. Dulles Intl

Sun 8/30

6:09 am-4:58 pm

2 stops16h 49m

$1,124

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 12/21

7:30 pm-5:51 pm

2 stops17h 21m

Washington, D.C. Dulles Intl

Thu 12/31

7:00 am-6:53 pm

2 stops16h 53m

$1,128
Quickest round-trip

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 12/21

2:54 pm-6:45 am

1 stop10h 51m

Washington, D.C. Dulles Intl

Thu 12/31

6:00 am-6:19 pm

2 stops17h 19m

$1,144

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

What is the cheapest airline that flies from Hilo Intl to Washington, D.C. Dulles Intl?

American Airlines is the most popular carrier operating from Hilo Intl to Washington, D.C. Dulles Intl

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 09m

Direct flights

None
The fastest flight from Hilo to Washington, D.C. Dulles Intl Airport takes 16h 09m
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. 16h 09m 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Sterling
Springfield
Fairfax
Tysons
Bethesda

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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