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 77% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 3 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.

$525 Cheap Flights from Washington, D.C. Dulles Intl Airport to Hilo in 2026/27

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 6:56 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

16h 56m2 stops Seattle/Tacoma Intl Honolulu

7:30 pm - 5:39 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 09m2 stops Honolulu San Diego

$651Multiple Airlines

Mon, Dec 7 - Wed, Dec 9

6:53 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

28h 27m2 stops San Diego Kahului

6:54 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 33m2 stops Honolulu Seattle/Tacoma Intl

$655Multiple Airlines

Sat, Jan 9 - Tue, Feb 9

7:00 am - 6:56 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

16h 56m2 stops Seattle/Tacoma Intl Honolulu

7:30 pm - 5:39 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 09m2 stops Honolulu San Diego

$661Multiple Airlines

Mon, Dec 7 - Wed, Dec 9

6:53 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

28h 27m2 stops San Diego Kahului

6:54 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 33m2 stops Honolulu Seattle/Tacoma Intl

$675Multiple Airlines

Sun, Jan 10 - Tue, Feb 9

6:53 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

28h 27m2 stops San Diego Kahului

8:45 pm - 5:50 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 05m2 stops Honolulu San Diego

$690Multiple Airlines

Mon, Jan 18 - Wed, Jan 27

6:53 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

28h 27m2 stops San Diego Kahului

6:54 pm - 5:50 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 56m2 stops Honolulu San Diego

$700Multiple Airlines

Wed, Jan 6 - Wed, Jan 20

6:53 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

28h 27m2 stops San Diego Kahului

6:54 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 33m2 stops Honolulu Seattle/Tacoma Intl

$740Multiple Airlines

Wed, Jan 6 - Wed, Jan 13

5:25 pm - 6:21 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

29h 56m2 stops San Diego Kahului

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

17h 16m2 stops Honolulu San Diego

$790Multiple Airlines

Mon, Feb 22 - Tue, Feb 23

7:16 am - 5:27 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

16h 11m2 stops Dallas/Fort Worth Honolulu

3:54 pm - 11:33 amITO Hilo Intl-IAD Washington, D.C. Dulles Intl

13h 39m2 stops Honolulu Dallas/Fort Worth

$841American Airlines

Tue, Mar 23 - Wed, Mar 31

7:16 am - 5:27 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

16h 11m2 stops Dallas/Fort Worth Honolulu

3:54 pm - 11:33 amITO Hilo Intl-IAD Washington, D.C. Dulles Intl

13h 39m2 stops Honolulu Dallas/Fort Worth

$851American Airlines

Tue, Mar 23 - Wed, Mar 31

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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

Mar 23

IAD7:16 amWashington, D.C. Dulles Intl

16h 11m

2 stops

ITO5:27 pmHilo Intl

Mar 31

ITO3:54 pmHilo Intl

13h 39m

2 stops

IAD11:33 amWashington, D.C. Dulles Intl

$841

American Airlines

Mar 23

IAD7:16 amWashington, D.C. Dulles Intl

16h 11m

2 stops

ITO5:27 pmHilo Intl

Mar 31

ITO3:54 pmHilo Intl

13h 39m

2 stops

IAD11:33 amWashington, D.C. Dulles Intl

$851

American Airlines

Mar 23

IAD7:16 amWashington, D.C. Dulles Intl

16h 02m

2 stops

ITO5:18 pmHilo Intl

Mar 31

ITO3:54 pmHilo Intl

13h 39m

2 stops

IAD11:33 amWashington, D.C. Dulles Intl

$880

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

18h 32m

1 stop

ITO9:57 pmHilo Intl

Feb 23

ITO6:00 amHilo Intl

19h 44m

1 stop

IAD6:44 amWashington, D.C. Dulles Intl

$995

United Airlines

Feb 22

IAD8:25 amWashington, D.C. Dulles Intl

16h 47m

1 stop

ITO8:12 pmHilo Intl

Feb 23

ITO6:00 amHilo Intl

18h 30m

2 stops

IAD5:30 amWashington, D.C. Dulles Intl

$1,005

United Airlines

Jan 6

IAD8:25 amWashington, D.C. Dulles Intl

14h 27m

1 stop

ITO5:52 pmHilo Intl

Jan 13

ITO11:02 amHilo Intl

14h 48m

2 stops

IAD6:50 amWashington, D.C. Dulles Intl

$1,010

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

Mon 12/7

7:00 am-6:56 pm

2 stops16h 56m

Hilo Intl

Wed 12/9

7:30 pm-5:39 pm

2 stops17h 09m

$651

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Sat 1/9

6:53 pm-6:20 pm

2 stops28h 27m

Hilo Intl

Tue 2/9

6:54 pm-4:27 pm

2 stops16h 33m

$655

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Mon 12/7

7:00 am-6:56 pm

2 stops16h 56m

Hilo Intl

Wed 12/9

7:30 pm-5:39 pm

2 stops17h 09m

$661

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Sun 1/10

6:53 pm-6:20 pm

2 stops28h 27m

Hilo Intl

Tue 2/9

6:54 pm-4:27 pm

2 stops16h 33m

$675

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Mon 1/18

6:53 pm-6:20 pm

2 stops28h 27m

Hilo Intl

Wed 1/27

8:45 pm-5:50 pm

2 stops16h 05m

$690

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Wed 1/6

6:53 pm-6:20 pm

2 stops28h 27m

Hilo Intl

Wed 1/20

6:54 pm-5:50 pm

2 stops17h 56m

$700

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Wed 1/6

6:53 pm-6:20 pm

2 stops28h 27m

Hilo Intl

Wed 1/13

6:54 pm-4:27 pm

2 stops16h 33m

$740

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Mon 2/22

5:25 pm-6:21 pm

2 stops29h 56m

Hilo Intl

Tue 2/23

8:45 pm-7:01 pm

2 stops17h 16m

$790

Quickest round-trip

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Tue 3/23

7:16 am-5:27 pm

2 stops16h 11m

Hilo Intl

Wed 3/31

3:54 pm-11:33 am

2 stops13h 39m

$841

Washington, D.C.Hilo

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

IADITO

Washington, D.C. Dulles Intl

Tue 3/23

7:16 am-5:27 pm

2 stops16h 11m

Hilo Intl

Wed 3/31

3:54 pm-11:33 am

2 stops13h 39m

$851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 35% 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	$525
Fastest flight time	14h 27m
Direct flights	None

The best one-way flight to Hilo from Washington, D.C. Dulles Intl Airport in the past 72 hours is $525. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Hilo found on momondo in the last 72 hours is $651.

The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 14h 27m

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 14h 27m.
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.