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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $358

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 10/31. 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

Alaska Airlines Logo
7:43 am - 10:26 pmIAD-ITO
20h 43m2 stops
Alaska Airlines Logo
7:43 pm - 4:40 pmITO-IAD
15h 57m2 stops
$562Alaska Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Alaska Airlines Logo
7:43 am - 10:26 pmIAD-ITO
20h 43m2 stops
Alaska Airlines Logo
7:43 pm - 4:40 pmITO-IAD
15h 57m2 stops
$592Alaska Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Alaska Airlines Logo
6:55 pm - 10:14 pmIAD-ITO
32h 19m2 stops
Alaska Airlines Logo
9:00 pm - 5:55 pmITO-IAD
15h 55m2 stops
$600Alaska Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
9:00 am - 8:30 pmIAD-ITO
16h 30m2 stops
United Airlines Logo
8:40 am - 6:55 amITO-IAD
17h 15m2 stops
$826United Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
8:15 am - 6:18 pmIAD-ITO
15h 03m1 stop
United Airlines Logo
9:00 pm - 4:29 pmITO-IAD
14h 29m2 stops
$864United Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 18
Delta Logo
6:03 am - 7:01 pmIAD-ITO
17h 58m2 stops
Delta Logo
3:02 pm - 10:57 amITO-IAD
14h 55m2 stops
$1,328Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
Delta Logo
6:00 am - 8:28 pmIAD-ITO
19h 28m2 stops
Delta Logo
10:55 am - 11:31 amITO-IAD
19h 36m2 stops
$1,583Delta
Find Deal
Fri, Nov 21 - Fri, Nov 28
American Airlines Logo
6:04 am - 7:01 pmIAD-ITO
17h 57m2 stops
American Airlines Logo
10:55 am - 8:41 amITO-IAD
16h 46m3 stops
$1,907American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
9:12 am - 10:22 pmIAD-ITO
18h 10m3 stops
American Airlines Logo
10:55 am - 8:41 amITO-IAD
16h 46m3 stops
$1,964American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Multiple Airlines Logo
6:05 am - 7:14 pmIAD-ITO
18h 09m2 stops
Multiple Airlines Logo
1:44 pm - 4:43 pmITO-IAD
21h 59m2 stops
$5,390Multiple Airlines
Find Deal
Thu, Dec 18 - Fri, Jan 2

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
Oct 30
IAD7:43 amWashington, D.C. Dulles Intl
20h 43m
2 stops
ITO10:26 pmHilo Intl
Nov 3
ITO7:43 pmHilo Intl
15h 57m
2 stops
IAD4:40 pmWashington, D.C. Dulles Intl
$562
Find similar
Alaska Airlines
Oct 30
IAD7:43 amWashington, D.C. Dulles Intl
20h 43m
2 stops
ITO10:26 pmHilo Intl
Nov 3
ITO7:43 pmHilo Intl
15h 57m
2 stops
IAD4:40 pmWashington, D.C. Dulles Intl
$592
Find similar
Alaska Airlines
Jan 31
IAD6:55 pmWashington, D.C. Dulles Intl
32h 19m
2 stops
ITO10:14 pmHilo Intl
Feb 7
ITO9:00 pmHilo Intl
15h 55m
2 stops
IAD5:55 pmWashington, D.C. Dulles Intl
$600
Find similar

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
Dec 9
IAD9:00 amWashington, D.C. Dulles Intl
16h 30m
2 stops
ITO8:30 pmHilo Intl
Dec 16
ITO8:40 amHilo Intl
17h 15m
2 stops
IAD6:55 amWashington, D.C. Dulles Intl
$826
Find similar
United Airlines
Feb 4
IAD8:15 amWashington, D.C. Dulles Intl
15h 03m
1 stop
ITO6:18 pmHilo Intl
Feb 18
ITO9:00 pmHilo Intl
14h 29m
2 stops
IAD4:29 pmWashington, D.C. Dulles Intl
$864
Find similar
United Airlines
Jan 31
IAD10:05 pmWashington, D.C. Dulles Intl
22h 13m
2 stops
ITO3:18 pmHilo Intl
Feb 7
ITO7:50 pmHilo Intl
30h 33m
1 stop
IAD7:23 amWashington, D.C. Dulles Intl
$876
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 September 17, 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

Thu 10/30

7:43 am-10:26 pm

2 stops20h 43m

Hilo Intl

Mon 11/3

7:43 pm-4:40 pm

2 stops15h 57m

$562

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 10/30

7:43 am-10:26 pm

2 stops20h 43m

Hilo Intl

Mon 11/3

7:43 pm-4:40 pm

2 stops15h 57m

$592

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 1/31

6:55 pm-10:14 pm

2 stops32h 19m

Hilo Intl

Sat 2/7

9:00 pm-5:55 pm

2 stops15h 55m

$600

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 12/9

9:00 am-8:30 pm

2 stops16h 30m

Hilo Intl

Tue 12/16

8:40 am-6:55 am

2 stops17h 15m

$826

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

8:15 am-6:18 pm

1 stop15h 03m

Hilo Intl

Wed 2/18

9:00 pm-4:29 pm

2 stops14h 29m

$864

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 11/15

6:03 am-7:01 pm

2 stops17h 58m

Hilo Intl

Sat 11/22

3:02 pm-10:57 am

2 stops14h 55m

$1,328

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 11/21

6:00 am-8:28 pm

2 stops19h 28m

Hilo Intl

Fri 11/28

10:55 am-11:31 am

2 stops19h 36m

$1,583

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 11/15

6:04 am-7:01 pm

2 stops17h 57m

Hilo Intl

Sat 11/22

10:55 am-8:41 am

3 stops16h 46m

$1,907

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 11/15

9:12 am-10:22 pm

3 stops18h 10m

Hilo Intl

Sat 11/22

10:55 am-8:41 am

3 stops16h 46m

$1,964

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 12/18

6:05 am-7:14 pm

2 stops18h 09m

Hilo Intl

Fri 1/2

1:44 pm-4:43 pm

2 stops21h 59m

$5,390

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 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.

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 59m.

  • 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
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

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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.

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.

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