What airlines fly to Hilo?

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to Hilo from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 5 different airlines that fly to Hilo on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines, United Airlines, and Southwest are the most popular carriers operating from Washington, D.C. to Hilo Intl

How long does it take to fly to Hilo?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Hilo, then you can expect flight times to average 12h 25m and 13h 22m, respectively.

When did momondo last update prices for flights from Washington, D.C. to Hilo Intl Airport?

Prices for flights from Washington, D.C. to Hilo Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Hilo Intl Airport?

As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Hilo Intl Airport.

How old do you have to be to fly from Washington, D.C. 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. 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.

$297 Cheap Flights from Washington, D.C. to Hilo in 2025/26

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Cheap round-trip flights

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6:04 pm - 4:13 pmIAD-ITO

27h 09m2 stops

7:44 pm - 4:26 pmITO-IAD

15h 42m2 stops

$518Alaska Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 7

7:00 am - 8:18 pmIAD-ITO

19h 18m2 stops

7:29 am - 5:25 pmITO-IAD

27h 56m2 stops

$519Alaska Airlines

Find Deal

Mon, Mar 9 - Tue, Mar 10

6:00 pm - 8:00 pmIAD-ITO

31h 00m2 stops

7:44 pm - 6:54 pmITO-IAD

18h 10m2 stops

$786United Airlines

Find Deal

Sun, Dec 7 - Mon, Dec 15

10:08 pm - 8:00 pmIAD-ITO

26h 52m2 stops

7:44 pm - 2:50 pmITO-IAD

14h 06m2 stops

$796United Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 16

6:00 am - 6:18 pmIAD-ITO

17h 18m2 stops

2:43 pm - 11:43 amITO-IAD

16h 00m2 stops

$901Delta

Find Deal

Mon, Mar 2 - Thu, Mar 5

6:00 am - 7:01 pmBWI-ITO

18h 01m2 stops

7:42 am - 5:58 amITO-BWI

17h 16m2 stops

$1,214Delta

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:45 am - 5:01 pmIAD-ITO

16h 16m2 stops

7:52 pm - 7:36 pmITO-IAD

17h 44m3 stops

$1,572American Airlines

Find Deal

Thu, Apr 16 - Mon, Apr 20

6:40 am - 5:01 pmIAD-ITO

16h 21m2 stops

7:52 pm - 7:36 pmITO-IAD

17h 44m3 stops

$1,575American Airlines

Find Deal

Wed, Apr 1 - Wed, Apr 8

6:00 am - 9:24 pmIAD-ITO

20h 24m3 stops

5:59 pm - 4:31 pmITO-IAD

17h 32m3 stops

$3,460Multiple Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 7

6:05 am - 7:14 pmIAD-ITO

18h 09m3 stops

7:44 pm - 5:05 pmITO-IAD

16h 21m3 stops

$3,755Multiple Airlines

Find Deal

Wed, Dec 24 - Tue, Dec 30

Alaska Airlines flights from Washington, D.C. to Hilo

Our best Alaska Airlines deals on Washington, D.C. to Hilo flight tickets

Alaska Airlines

Feb 2

IAD6:04 pmWashington, D.C. Dulles Intl

27h 09m

2 stops

ITO4:13 pmHilo Intl

Feb 7

ITO7:44 pmHilo Intl

15h 42m

2 stops

IAD4:26 pmWashington, D.C. Dulles Intl

$518

Find similar

Alaska Airlines

Mar 9

IAD7:00 amWashington, D.C. Dulles Intl

19h 18m

2 stops

ITO8:18 pmHilo Intl

Mar 10

ITO7:29 amHilo Intl

27h 56m

2 stops

IAD5:25 pmWashington, D.C. Dulles Intl

$519

Find similar

Alaska Airlines

Jan 23

IAD6:04 pmWashington, D.C. Dulles Intl

27h 09m

2 stops

ITO4:13 pmHilo Intl

Jan 29

ITO7:44 pmHilo Intl

15h 42m

2 stops

IAD4:26 pmWashington, D.C. Dulles Intl

$536

Find similar

American Airlines flights from Washington, D.C. to Hilo

Our best American Airlines deals on Washington, D.C. 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

Apr 1

IAD6:40 amWashington, D.C. Dulles Intl

16h 21m

2 stops

ITO5:01 pmHilo Intl

Apr 8

ITO7:52 pmHilo Intl

17h 44m

3 stops

IAD7:36 pmWashington, D.C. Dulles Intl

$1,575

Find similar

American Airlines

Jan 23

IAD6:00 amWashington, D.C. Dulles Intl

18h 04m

2 stops

ITO7:04 pmHilo Intl

Jan 29

ITO6:44 pmHilo Intl

17h 32m

3 stops

IAD5:16 pmWashington, D.C. Dulles Intl

$1,580

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/2

6:04 pm-4:13 pm

2 stops27h 09m

Hilo Intl

Sat 2/7

7:44 pm-4:26 pm

2 stops15h 42m

$518

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/9

7:00 am-8:18 pm

2 stops19h 18m

Hilo Intl

Tue 3/10

7:29 am-5:25 pm

2 stops27h 56m

$519

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 12/7

6:00 pm-8:00 pm

2 stops31h 00m

Hilo Intl

Mon 12/15

7:44 pm-6:54 pm

2 stops18h 10m

$786

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 12/7

10:08 pm-8:00 pm

2 stops26h 52m

Hilo Intl

Tue 12/16

7:44 pm-2:50 pm

2 stops14h 06m

$796

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

6:00 am-6:18 pm

2 stops17h 18m

Hilo Intl

Thu 3/5

2:43 pm-11:43 am

2 stops16h 00m

$901

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Wed 11/19

6:00 am-7:01 pm

2 stops18h 01m

Hilo Intl

Sun 11/23

7:42 am-5:58 am

2 stops17h 16m

$1,214

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

6:45 am-5:01 pm

2 stops16h 16m

Hilo Intl

Mon 4/20

7:52 pm-7:36 pm

3 stops17h 44m

$1,572

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 4/1

6:40 am-5:01 pm

2 stops16h 21m

Hilo Intl

Wed 4/8

7:52 pm-7:36 pm

3 stops17h 44m

$1,575

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/2

6:00 am-9:24 pm

3 stops20h 24m

Hilo Intl

Sat 2/7

5:59 pm-4:31 pm

3 stops17h 32m

$3,460

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 12/24

6:05 am-7:14 pm

3 stops18h 09m

Hilo Intl

Tue 12/30

7:44 pm-5:05 pm

3 stops16h 21m

$3,755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Other information

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

The cheapest day to depart from Washington, D.C. 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. 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. 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. to Hilo flights?

You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Hilo flight.

When to book flights from Washington, D.C. to Hilo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Hilo (WAS to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hilo

Direct flights	None

There are no direct flights from Washington, D.C. to Hilo. There are no popular flight routes from Washington, D.C. to Hilo.

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How far is Washington, D.C. to Hilo Intl by plane?
A flight from Washington, D.C. to Hilo Intl will travel around 4741.9 mi. In terms of flight time, this usually takes a little over 14h 14m.
When did momondo last update prices for flights from Washington, D.C. to Hilo Intl Airport?
Prices for flights from Washington, D.C. to Hilo Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Hilo Intl Airport?
As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Hilo Intl Airport.
How old do you have to be to fly from Washington, D.C. 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. 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. to Hilo?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Hilo is Alaska Airlines, representing 100% of all bookings.

Best airlines flying from Washington, D.C. to Hilo

Compare and see reviews for airlines that fly from Washington, D.C. to Hilo with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $587	Free Cancellation	Rating 8.0 11,243 reviews		Search Alaska Airlines flights
United Airlines	PriceFrom $741	Free Cancellation	Rating 7.4 9,003 reviews		Search United 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?

Once you have performed a search for Washington, D.C. to Hilo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Hilo right now. Can momondo alert me if prices change?

Price alerts on flights to Hilo from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Hilo from $297

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. to Hilo departing on 12/10. 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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Alaska Airlines flights from Washington, D.C. to Hilo

Our best Alaska Airlines deals on Washington, D.C. to Hilo flight tickets

American Airlines flights from Washington, D.C. to Hilo

Our best American Airlines deals on Washington, D.C. to Hilo flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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?

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

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

You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Hilo flight.

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

Alaska Airlines, United Airlines, and Southwest are the most popular carriers operating from Washington, D.C. to Hilo Intl

What airlines fly to Hilo?

How long does it take to fly to Hilo?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Hilo, then you can expect flight times to average 12h 25m and 13h 22m, respectively.

When to book flights from Washington, D.C. to Hilo

Cheap Washington, D.C. to Hilo (WAS to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hilo

Direct flights

How far is Washington, D.C. to Hilo Intl by plane?

When did momondo last update prices for flights from Washington, D.C. to Hilo Intl Airport?

How many operators does momondo search for flights from Washington, D.C. to Hilo Intl Airport?

How old do you have to be to fly from Washington, D.C. to Hilo Intl Airport?

What documentation or ID do you need to fly to Hilo Intl Airport?

What is the most popular airline from Washington, D.C. to Hilo?

Best airlines flying from Washington, D.C. to Hilo

Compare and see reviews for airlines that fly from Washington, D.C. to Hilo with momondo

Traveling to a place near Hilo?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hilo?

Can I find flights from Washington, D.C. to Hilo with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Hilo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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