Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Hilo departing on 2/5. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:04 pm - 7:59 pm
IAD
-
ITO
30h 55m2 stops
Multiple Airlines Logo
5:59 pm - 5:20 pm
ITO
-
IAD
18h 21m2 stops
$516Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
7:05 am - 7:59 pm
IAD
-
ITO
17h 54m2 stops
Multiple Airlines Logo
4:39 pm - 5:20 pm
ITO
-
IAD
18h 41m2 stops
$518Multiple Airlines
Mon, Feb 23 - Wed, Mar 11
Multiple Airlines Logo
5:26 pm - 8:29 pm
IAD
-
ITO
32h 03m2 stops
Multiple Airlines Logo
6:44 pm - 5:27 pm
ITO
-
IAD
17h 43m2 stops
$587Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
5:26 pm - 9:24 pm
IAD
-
ITO
32h 58m2 stops
Multiple Airlines Logo
7:44 pm - 5:27 pm
ITO
-
IAD
16h 43m2 stops
$611Multiple Airlines
Mon, Feb 9 - Wed, Feb 11
Multiple Airlines Logo
5:26 pm - 9:24 pm
IAD
-
ITO
32h 58m2 stops
Multiple Airlines Logo
7:44 pm - 5:20 pm
ITO
-
IAD
16h 36m2 stops
$612Multiple Airlines
Mon, Feb 9 - Wed, Feb 11
Multiple Airlines Logo
7:00 am - 9:33 pm
IAD
-
ITO
20h 33m2 stops
Multiple Airlines Logo
9:00 pm - 5:40 am
ITO
-
IAD
26h 40m2 stops
$655Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
5:26 pm - 8:29 am
IAD
-
ITO
20h 03m3 stops
Multiple Airlines Logo
8:30 pm - 5:20 pm
ITO
-
IAD
15h 50m2 stops
$704Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
7:00 am - 5:41 pm
IAD
-
ITO
16h 41m2 stops
Multiple Airlines Logo
6:44 pm - 5:40 am
ITO
-
IAD
28h 56m2 stops
$712Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
5:26 pm - 9:24 pm
IAD
-
ITO
32h 58m2 stops
Multiple Airlines Logo
7:44 pm - 5:04 pm
ITO
-
IAD
16h 20m2 stops
$716Multiple Airlines
Wed, Jan 21 - Wed, Feb 4
Multiple Airlines Logo
6:04 pm - 2:32 pm
IAD
-
ITO
25h 28m2 stops
Multiple Airlines Logo
8:54 am - 5:40 am
ITO
-
IAD
15h 46m2 stops
$737Multiple Airlines
Fri, Feb 6 - Fri, Feb 13

United Airlines flights from Washington, D.C. Dulles Intl Airport to Hilo

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
United Airlines
Feb 23
IAD8:25 amWashington, D.C. Dulles Intl
16h 34m
1 stop
ITO7:59 pmHilo Intl
Mar 2
ITO7:42 amHilo Intl
18h 34m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
$800
United Airlines
Feb 9
IAD8:15 amWashington, D.C. Dulles Intl
16h 44m
1 stop
ITO7:59 pmHilo Intl
Feb 11
ITO5:59 pmHilo Intl
32h 17m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
$801
United Airlines
Feb 9
IAD8:15 amWashington, D.C. Dulles Intl
15h 49m
1 stop
ITO7:04 pmHilo Intl
Feb 11
ITO5:59 pmHilo Intl
17h 25m
2 stops
IAD4:24 pmWashington, D.C. Dulles Intl
$810

Delta flights from Washington, D.C. Dulles Intl Airport to Hilo

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
Delta
Jan 27
IAD7:05 amWashington, D.C. Dulles Intl
17h 54m
2 stops
ITO7:59 pmHilo Intl
Feb 3
ITO1:42 pmHilo Intl
18h 53m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
$971
Delta
Jan 12
IAD7:00 amWashington, D.C. Dulles Intl
15h 29m
2 stops
ITO5:29 pmHilo Intl
Jan 14
ITO1:42 pmHilo Intl
16h 13m
2 stops
IAD10:55 amWashington, D.C. Dulles Intl
$1,035
Delta
Jan 14
IAD7:05 amWashington, D.C. Dulles Intl
19h 19m
2 stops
ITO9:24 pmHilo Intl
Jan 18
ITO11:11 amHilo Intl
17h 05m
2 stops
IAD9:16 amWashington, D.C. Dulles Intl
$1,127

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Hilo 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 January 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

6:04 pm-7:59 pm

2 stops30h 55m

Hilo Intl

Wed 2/11

5:59 pm-5:20 pm

2 stops18h 21m

$516

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/23

7:05 am-7:59 pm

2 stops17h 54m

Hilo Intl

Wed 3/11

4:39 pm-5:20 pm

2 stops18h 41m

$518

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 2/5

5:26 pm-8:29 pm

2 stops32h 03m

Hilo Intl

Thu 2/12

6:44 pm-5:27 pm

2 stops17h 43m

$587

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 2/11

7:44 pm-5:27 pm

2 stops16h 43m

$611

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 2/11

7:44 pm-5:20 pm

2 stops16h 36m

$612

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-9:33 pm

2 stops20h 33m

Hilo Intl

Mon 4/20

9:00 pm-5:40 am

2 stops26h 40m

$655

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

5:26 pm-8:29 am

3 stops20h 03m

Hilo Intl

Wed 2/11

8:30 pm-5:20 pm

2 stops15h 50m

$704

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-5:41 pm

2 stops16h 41m

Hilo Intl

Mon 4/20

6:44 pm-5:40 am

2 stops28h 56m

$712

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 1/21

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 2/4

7:44 pm-5:04 pm

2 stops16h 20m

$716

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 2/6

6:04 pm-2:32 pm

2 stops25h 28m

Hilo Intl

Fri 2/13

8:54 am-5:40 am

2 stops15h 46m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Hilo from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Hilo

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 Washington, D.C. Dulles Intl Airport to Hilo flights?

You could potentially save up to 36% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Hilo flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Hilo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Hilo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Hilo (IAD to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Hilo

Fastest flight time

15h 18m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 15h 18m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Hilo. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Hilo.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Hilo Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Hilo Intl is about 4719.4 mi. A reasonable flight in good conditions will take 15h 18m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport.

  • What documentation or ID do you need to fly to Hilo Intl Airport?

    The travel and health documents you'll need for your trip to Hilo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hilo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Hilo?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Hilo

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Hilo with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $591Free CancellationRating
8.0
11,661 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
Mountain View

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hilo?

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 Washington, D.C. to Hilo for you.

Can I find flights from Washington, D.C. to Hilo with flexible booking policies on momondo?

Yes. All flights to Hilo from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Hilo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Hilo.

I’m not ready to book a flight from Washington, D.C. to Hilo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Hilo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Hilo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/7
Sat 2/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States