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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $238

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 5/6. 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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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
9:00 am - 9:33 pm
IAD
-
ITO
18h 33m
2 stops
Multiple Airlines Logo
5:59 pm - 5:41 pm
ITO
-
IAD
17h 42m
2 stops
$538Multiple Airlines
Wed, Apr 22 - Mon, May 4
Multiple Airlines Logo
7:00 am - 9:33 pm
IAD
-
ITO
20h 33m
2 stops
Multiple Airlines Logo
9:00 pm - 5:40 am
ITO
-
IAD
26h 40m
2 stops
$564Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
5:26 pm - 5:29 pm
IAD
-
ITO
29h 03m
2 stops
Multiple Airlines Logo
7:44 pm - 5:20 pm
ITO
-
IAD
16h 36m
2 stops
$636Multiple Airlines
Mon, Feb 9 - Wed, Feb 11
Multiple Airlines Logo
9:00 am - 1:01 pm
IAD
-
ITO
34h 01m
2 stops
Multiple Airlines Logo
9:00 pm - 5:50 am
ITO
-
IAD
26h 50m
2 stops
$718Multiple Airlines
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
6:00 am - 3:23 pm
IAD
-
ITO
15h 23m
2 stops
Multiple Airlines Logo
8:38 am - 7:28 am
ITO
-
IAD
16h 50m
2 stops
$735Multiple Airlines
Tue, May 26 - Thu, Aug 27
Multiple Airlines Logo
9:00 am - 9:56 pm
IAD
-
ITO
18h 56m
2 stops
Multiple Airlines Logo
5:30 pm - 7:01 pm
ITO
-
IAD
19h 31m
2 stops
$765Multiple Airlines
Sun, May 24 - Wed, Aug 26
Multiple Airlines Logo
9:00 am - 8:20 pm
IAD
-
ITO
17h 20m
2 stops
Multiple Airlines Logo
9:46 am - 7:28 am
ITO
-
IAD
15h 42m
2 stops
$795Multiple Airlines
Sun, May 24 - Fri, Aug 28
United Airlines Logo
8:15 am - 7:04 pm
IAD
-
ITO
15h 49m
1 stop
United Airlines Logo
6:44 pm - 7:16 am
ITO
-
IAD
31h 32m
1 stop
$801United Airlines
Mon, Feb 9 - Wed, Feb 11
Multiple Airlines Logo
6:42 pm - 2:11 pm
IAD
-
ITO
25h 29m
2 stops
Multiple Airlines Logo
7:52 pm - 5:16 pm
ITO
-
IAD
15h 24m
2 stops
$802Multiple Airlines
Sat, May 23 - Thu, Aug 27
Multiple Airlines Logo
7:05 am - 10:35 pm
IAD
-
ITO
20h 30m
2 stops
Multiple Airlines Logo
6:44 pm - 5:27 pm
ITO
-
IAD
16h 43m
2 stops
$807Multiple Airlines
Sat, Mar 7 - Thu, Mar 12

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 9
IAD8:15 amWashington, D.C. Dulles Intl
15h 49m
1 stop
ITO7:04 pmHilo Intl
Feb 11
ITO6:44 pmHilo Intl
31h 32m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
$801
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
19h 07m
2 stops
IAD6:06 pmWashington, D.C. Dulles Intl
$810
United Airlines
Feb 9
IAD7:30 amWashington, D.C. Dulles Intl
17h 29m
2 stops
ITO7:59 pmHilo Intl
Feb 11
ITO8:24 amHilo Intl
17h 23m
2 stops
IAD6:47 amWashington, D.C. Dulles Intl
$820

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
Feb 4
IAD7:30 amWashington, D.C. Dulles Intl
18h 54m
2 stops
ITO9:24 pmHilo Intl
Feb 10
ITO1:42 pmHilo Intl
14h 31m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
$989
Delta
Jan 26
IAD7:00 amWashington, D.C. Dulles Intl
17h 59m
2 stops
ITO7:59 pmHilo Intl
Feb 2
ITO1:42 pmHilo Intl
17h 10m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
$1,035
Delta
Jan 25
IAD6:00 amWashington, D.C. Dulles Intl
16h 45m
2 stops
ITO5:45 pmHilo Intl
Feb 2
ITO1:42 pmHilo Intl
17h 10m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
$1,044

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 22, 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 4/22

9:00 am-9:33 pm

2 stops18h 33m

Hilo Intl

Mon 5/4

5:59 pm-5:41 pm

2 stops17h 42m

$538

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

$564

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-5:29 pm

2 stops29h 03m

Hilo Intl

Wed 2/11

7:44 pm-5:20 pm

2 stops16h 36m

$636

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 5/1

9:00 am-1:01 pm

2 stops34h 01m

Hilo Intl

Sun 5/10

9:00 pm-5:50 am

2 stops26h 50m

$718

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 5/26

6:00 am-3:23 pm

2 stops15h 23m

Hilo Intl

Thu 8/27

8:38 am-7:28 am

2 stops16h 50m

$735

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 5/24

9:00 am-9:56 pm

2 stops18h 56m

Hilo Intl

Wed 8/26

5:30 pm-7:01 pm

2 stops19h 31m

$765

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 5/24

9:00 am-8:20 pm

2 stops17h 20m

Hilo Intl

Fri 8/28

9:46 am-7:28 am

2 stops15h 42m

$795

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

8:15 am-7:04 pm

1 stop15h 49m

Hilo Intl

Wed 2/11

6:44 pm-7:16 am

1 stop31h 32m

$801

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 5/23

6:42 pm-2:11 pm

2 stops25h 29m

Hilo Intl

Thu 8/27

7:52 pm-5:16 pm

2 stops15h 24m

$802

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 3/7

7:05 am-10:35 pm

2 stops20h 30m

Hilo Intl

Thu 3/12

6:44 pm-5:27 pm

2 stops16h 43m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 48m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 15h 48m
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 48m.

  • 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
11,775 reviews
Search Alaska Airlines flights

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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.

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