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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $398

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 12/11. 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.
Alaska Airlines Logo
6:20 pm - 5:29 pmIAD-ITO
28h 09m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$510Alaska Airlines
Find Deal
Tue, Feb 17 - Tue, Feb 24
Alaska Airlines Logo
6:20 pm - 5:41 pmIAD-ITO
28h 21m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$511Alaska Airlines
Find Deal
Tue, Feb 17 - Thu, Feb 26
Alaska Airlines Logo
6:20 pm - 4:00 pmIAD-ITO
26h 40m2 stops
Alaska Airlines Logo
7:41 pm - 5:20 pmITO-IAD
16h 39m2 stops
$529Alaska Airlines
Find Deal
Sun, Feb 22 - Wed, Feb 25
Alaska Airlines Logo
6:20 pm - 4:00 pmIAD-ITO
26h 40m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$560Alaska Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24
Alaska Airlines Logo
6:20 pm - 5:41 pmIAD-ITO
28h 21m2 stops
Alaska Airlines Logo
7:41 pm - 5:27 pmITO-IAD
16h 46m2 stops
$595Alaska Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
Alaska Airlines Logo
6:20 pm - 5:41 pmIAD-ITO
28h 21m2 stops
Alaska Airlines Logo
7:41 pm - 5:20 pmITO-IAD
16h 39m2 stops
$596Alaska Airlines
Find Deal
Wed, Feb 18 - Wed, Feb 25
Alaska Airlines Logo
6:20 pm - 5:29 pmIAD-ITO
28h 09m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$600Alaska Airlines
Find Deal
Tue, Feb 17 - Mon, Feb 23
Alaska Airlines Logo
6:20 pm - 5:41 pmIAD-ITO
28h 21m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$601Alaska Airlines
Find Deal
Tue, Feb 17 - Mon, Feb 23
Alaska Airlines Logo
7:05 am - 8:23 pmIAD-ITO
18h 18m2 stops
Alaska Airlines Logo
5:59 pm - 5:20 pmITO-IAD
18h 21m2 stops
$615Alaska Airlines
Find Deal
Sun, Feb 22 - Wed, Feb 25
Alaska Airlines Logo
7:00 am - 5:01 pmIAD-ITO
16h 01m2 stops
Alaska Airlines Logo
7:52 pm - 5:23 pmITO-IAD
15h 31m2 stops
$734Alaska Airlines
Find Deal
Thu, Apr 16 - Mon, Apr 20

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

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
Alaska Airlines
Feb 17
IAD6:20 pmWashington, D.C. Dulles Intl
28h 09m
2 stops
ITO5:29 pmHilo Intl
Feb 24
ITO8:30 pmHilo Intl
15h 57m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$510
Find similar
Alaska Airlines
Feb 17
IAD6:20 pmWashington, D.C. Dulles Intl
28h 21m
2 stops
ITO5:41 pmHilo Intl
Feb 26
ITO8:30 pmHilo Intl
15h 57m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$511
Find similar
Alaska Airlines
Feb 22
IAD6:20 pmWashington, D.C. Dulles Intl
26h 40m
2 stops
ITO4:00 pmHilo Intl
Feb 25
ITO7:41 pmHilo Intl
16h 39m
2 stops
IAD5:20 pmWashington, D.C. Dulles Intl
$529
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
American Airlines
Apr 16
IAD6:45 amWashington, D.C. Dulles Intl
16h 16m
2 stops
ITO5:01 pmHilo Intl
Apr 20
ITO7:52 pmHilo Intl
17h 44m
3 stops
IAD7:36 pmWashington, D.C. Dulles Intl
$1,572
Find similar
American Airlines
May 19
IAD8:53 amWashington, D.C. Dulles Intl
19h 03m
3 stops
ITO9:56 pmHilo Intl
May 26
ITO9:00 pmHilo Intl
16h 34m
3 stops
IAD7:34 pmWashington, D.C. Dulles Intl
$1,739
Find similar
American Airlines
Apr 16
IAD5:05 amWashington, D.C. Dulles Intl
17h 56m
3 stops
ITO5:01 pmHilo Intl
Apr 20
ITO4:40 pmHilo Intl
17h 28m
3 stops
IAD4:08 pmWashington, D.C. Dulles Intl
$1,756
Find similar

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 November 20, 2025.
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

Tue 2/17

6:20 pm-5:29 pm

2 stops28h 09m

Hilo Intl

Tue 2/24

8:30 pm-5:27 pm

2 stops15h 57m

$510

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 2/17

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Thu 2/26

8:30 pm-5:27 pm

2 stops15h 57m

$511

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-4:00 pm

2 stops26h 40m

Hilo Intl

Wed 2/25

7:41 pm-5:20 pm

2 stops16h 39m

$529

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 2/20

6:20 pm-4:00 pm

2 stops26h 40m

Hilo Intl

Tue 2/24

8:30 pm-5:27 pm

2 stops15h 57m

$560

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 2/21

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Tue 2/24

7:41 pm-5:27 pm

2 stops16h 46m

$595

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/18

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Wed 2/25

7:41 pm-5:20 pm

2 stops16h 39m

$596

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 2/17

6:20 pm-5:29 pm

2 stops28h 09m

Hilo Intl

Mon 2/23

8:30 pm-5:27 pm

2 stops15h 57m

$600

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 2/17

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Mon 2/23

8:30 pm-5:27 pm

2 stops15h 57m

$601

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 2/22

7:05 am-8:23 pm

2 stops18h 18m

Hilo Intl

Wed 2/25

5:59 pm-5:20 pm

2 stops18h 21m

$615

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-5:01 pm

2 stops16h 01m

Hilo Intl

Mon 4/20

7:52 pm-5:23 pm

2 stops15h 31m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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

What is the cheapest day to depart on your flight to Hilo?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Hilo is on a Friday. Travelers who choose to depart for Hilo on a Friday will often find tickets for as low as $848. Flights from Washington, D.C. Dulles Intl Airport to Hilo on a Tuesday will generally be more expensive and average around $1,274. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Hilo?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Hilo flights are usually those with departure times in the evening. Our users have found flights to Hilo in the evening for as low as $914. In contrast, the most expensive time of day to depart to Hilo is in the morning when prices are around $977.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Hilo flights?

You could potentially save up to 15% 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

Direct flights

None
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.
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  • 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 14h 04m.

  • 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 $641Free CancellationRating
8.0
11,326 reviews
Search Alaska Airlines flights

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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.

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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.

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