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

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

What airlines fly to Hilo?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Hilo from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 4 different airlines that fly to Hilo on a routine basis, so you have a few additional options to choose from.

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 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.

$327 Cheap Flights from Washington, D.C. Dulles Intl Airport to Hilo in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:02 am - 5:46 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

16h 44m2 stops Seattle/Tacoma Intl Honolulu

6:18 pm - 5:50 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 32m2 stops Honolulu San Diego

$654Multiple Airlines

Thu, Oct 22 - Wed, Oct 28

6:53 pm - 8:11 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

30h 18m2 stops San Diego Honolulu

6:51 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 36m2 stops Honolulu Seattle/Tacoma Intl

$676Multiple Airlines

Tue, Jan 5 - Mon, Jan 11

7:00 am - 5:18 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 18m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 7:01 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 16m2 stops Honolulu San Diego

$688Multiple Airlines

Mon, Feb 22 - Tue, Feb 23

7:00 am - 5:18 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 18m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 7:01 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 16m2 stops Honolulu San Diego

$701Multiple Airlines

Mon, Feb 22 - Tue, Feb 23

7:46 am - 9:57 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

19h 11m2 stops Seattle/Tacoma Intl Honolulu

6:51 pm - 5:36 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 45m2 stops Honolulu San Diego

$704Multiple Airlines

Tue, Nov 3 - Mon, Nov 23

5:25 pm - 6:19 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

29h 54m2 stops San Diego Kahului

5:50 pm - 4:26 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 36m2 stops Honolulu Seattle/Tacoma Intl

$713Multiple Airlines

Tue, Mar 2 - Wed, Mar 10

7:46 am - 9:57 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

19h 11m2 stops Seattle/Tacoma Intl Honolulu

7:30 pm - 4:13 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

15h 43m2 stops Honolulu Seattle/Tacoma Intl

$714Multiple Airlines

Tue, Nov 3 - Thu, Nov 26

7:00 am - 5:18 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 18m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 7:01 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 16m2 stops Honolulu San Diego

$721Multiple Airlines

Mon, Feb 22 - Tue, Feb 23

6:46 pm - 3:22 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

25h 36m2 stops San Diego Honolulu

6:51 pm - 5:36 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 45m2 stops Honolulu San Diego

$733Multiple Airlines

Mon, Nov 2 - Mon, Nov 23

7:46 am - 9:57 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

19h 11m2 stops Seattle/Tacoma Intl Honolulu

7:30 pm - 5:36 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 06m2 stops Honolulu San Diego

$734Multiple Airlines

Tue, Nov 3 - Sun, Nov 22

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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 22

IAD8:25 amWashington, D.C. Dulles Intl

16h 46m

1 stop

ITO8:11 pmHilo Intl

Feb 23

ITO7:36 amHilo Intl

18h 07m

1 stop

IAD6:43 amWashington, D.C. Dulles Intl

$927

United Airlines

Feb 22

IAD8:25 amWashington, D.C. Dulles Intl

18h 31m

1 stop

ITO9:56 pmHilo Intl

Feb 23

ITO6:00 amHilo Intl

18h 25m

2 stops

IAD5:25 amWashington, D.C. Dulles Intl

$937

United Airlines

Nov 3

IAD8:25 amWashington, D.C. Dulles Intl

15h 31m

2 stops

ITO6:56 pmHilo Intl

Nov 24

ITO6:00 amHilo Intl

13h 40m

2 stops

IAD12:40 amWashington, D.C. Dulles Intl

$1,019

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

Jan 27

IAD7:00 amWashington, D.C. Dulles Intl

15h 47m

2 stops

ITO5:47 pmHilo Intl

Jan 31

ITO4:59 pmHilo Intl

12h 53m

2 stops

IAD10:52 amWashington, D.C. Dulles Intl

$790

American Airlines

Nov 2

IAD7:14 amWashington, D.C. Dulles Intl

15h 33m

2 stops

ITO5:47 pmHilo Intl

Feb 25

ITO6:19 pmHilo Intl

12h 20m

2 stops

IAD11:39 amWashington, D.C. Dulles Intl

$829

American Airlines

Oct 29

IAD6:00 amWashington, D.C. Dulles Intl

14h 27m

2 stops

ITO2:27 pmHilo Intl

Nov 8

ITO4:59 pmHilo Intl

15h 34m

2 stops

IAD1:33 pmWashington, D.C. Dulles Intl

$856

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Thu 10/22

7:02 am-5:46 pm

2 stops16h 44m

Hilo Intl

Wed 10/28

6:18 pm-5:50 pm

2 stops17h 32m

$654

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Tue 1/5

6:53 pm-8:11 pm

2 stops30h 18m

Hilo Intl

Mon 1/11

6:51 pm-4:27 pm

2 stops16h 36m

$676

Quickest round-trip

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Mon 2/22

7:00 am-5:18 pm

2 stops15h 18m

Hilo Intl

Tue 2/23

8:45 pm-7:01 pm

2 stops17h 16m

$688

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Mon 2/22

7:00 am-5:18 pm

2 stops15h 18m

Hilo Intl

Tue 2/23

8:45 pm-7:01 pm

2 stops17h 16m

$701

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Tue 11/3

7:46 am-9:57 pm

2 stops19h 11m

Hilo Intl

Mon 11/23

6:51 pm-5:36 pm

2 stops17h 45m

$704

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Tue 3/2

5:25 pm-6:19 pm

2 stops29h 54m

Hilo Intl

Wed 3/10

5:50 pm-4:26 pm

2 stops17h 36m

$713

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Tue 11/3

7:46 am-9:57 pm

2 stops19h 11m

Hilo Intl

Thu 11/26

7:30 pm-4:13 pm

2 stops15h 43m

$714

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Mon 2/22

7:00 am-5:18 pm

2 stops15h 18m

Hilo Intl

Tue 2/23

8:45 pm-7:01 pm

2 stops17h 16m

$721

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Mon 11/2

6:46 pm-3:22 pm

2 stops25h 36m

Hilo Intl

Mon 11/23

6:51 pm-5:36 pm

2 stops17h 45m

$733

Washington, D.C.Hilo

IAD Washington, D.C. Dulles Intl - ITO Hilo Intl

IADITO

Washington, D.C. Dulles Intl

Tue 11/3

7:46 am-9:57 pm

2 stops19h 11m

Hilo Intl

Sun 11/22

7:30 pm-5:36 pm

2 stops17h 06m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

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

Prices

Airlines

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

You could potentially save up to 1% 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

Best Price Found	$327
Fastest flight time	15h 18m
Direct flights	None

The best one-way flight to Hilo from Washington, D.C. Dulles Intl Airport in the past 72 hours is $327. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Hilo found on momondo in the last 72 hours is $654.

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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Hilo

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 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.

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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.