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 08m and 13h 57m, respectively.

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

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

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 62% 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.

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 February 2026, 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.

$238 Cheap Flights from Washington, D.C. to Hilo in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 am - 8:23 pm

IAD

ITO

18h 18m

2 stops

8:30 pm - 5:27 pm

ITO

IAD

15h 57m

2 stops

$520Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

7:00 am - 9:33 pm

IAD

ITO

20h 33m

2 stops

9:00 pm - 5:40 am

ITO

IAD

26h 40m

2 stops

$574Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

7:00 am - 9:33 pm

IAD

ITO

20h 33m

2 stops

7:44 pm - 5:40 am

ITO

IAD

27h 56m

2 stops

$594Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

7:00 am - 9:33 pm

IAD

ITO

20h 33m

2 stops

6:44 pm - 5:40 am

ITO

IAD

28h 56m

2 stops

$614Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

6:00 am - 9:24 pm

DCA

ITO

20h 24m

2 stops

5:59 pm - 9:02 pm

ITO

DCA

21h 03m

2 stops

$625Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

6:46 pm - 4:00 pm

BWI

ITO

26h 14m

2 stops

7:36 pm - 5:46 pm

ITO

BWI

17h 10m

2 stops

$634Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

6:00 am - 7:08 am

BWI

ITO

31h 08m

2 stops

9:00 pm - 4:24 pm

ITO

BWI

37h 24m

3 stops

$681United Airlines

Tue, Apr 21 - Sun, Apr 26

6:00 am - 7:08 am

BWI

ITO

31h 08m

2 stops

9:00 pm - 5:15 am

ITO

BWI

26h 15m

2 stops

$721United Airlines

Tue, Apr 21 - Sun, Apr 26

8:15 pm - 2:25 pm

BWI

ITO

23h 10m

2 stops

7:00 am - 5:30 am

ITO

BWI

17h 30m

2 stops

$865Southwest

Sun, Mar 1 - Sat, Mar 7

6:13 am - 7:13 pm

DCA

ITO

19h 00m

2 stops

1:07 pm - 8:43 am

ITO

DCA

13h 36m

2 stops

$989Delta

Sat, Apr 4 - Wed, Apr 8

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

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

United Airlines

Apr 21

BWI6:00 amBaltimore/Washington

31h 08m

2 stops

ITO7:08 amHilo Intl

Apr 26

ITO9:00 pmHilo Intl

37h 24m

3 stops

BWI4:24 pmBaltimore/Washington

$681

United Airlines

Apr 21

BWI6:00 amBaltimore/Washington

31h 08m

2 stops

ITO7:08 amHilo Intl

Apr 26

ITO9:00 pmHilo Intl

26h 15m

2 stops

BWI5:15 amBaltimore/Washington

$721

United Airlines

Apr 21

BWI5:50 pmBaltimore/Washington

29h 49m

3 stops

ITO5:39 pmHilo Intl

Apr 26

ITO7:44 pmHilo Intl

38h 40m

3 stops

BWI4:24 pmBaltimore/Washington

$748

Delta flights from Washington, D.C. to Hilo

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

Delta

Feb 18

IAD6:00 amWashington, D.C. Dulles Intl

18h 59m

2 stops

ITO7:59 pmHilo Intl

Feb 26

ITO3:01 pmHilo Intl

15h 43m

2 stops

IAD11:44 amWashington, D.C. Dulles Intl

$904

Delta

Apr 4

DCA6:13 amWashington, D.C. Reagan-National

19h 00m

2 stops

ITO7:13 pmHilo Intl

Apr 8

ITO1:07 pmHilo Intl

13h 36m

2 stops

DCA8:43 amWashington, D.C. Reagan-National

$989

Delta

Feb 10

IAD6:00 amWashington, D.C. Dulles Intl

18h 59m

2 stops

ITO7:59 pmHilo Intl

Feb 14

ITO1:45 pmHilo Intl

16h 59m

2 stops

IAD11:44 amWashington, D.C. Dulles Intl

$1,015

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 3/1

7:05 am-8:23 pm

2 stops18h 18m

Hilo Intl

Wed 3/4

8:30 pm-5:27 pm

2 stops15h 57m

$520

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-9:33 pm

2 stops20h 33m

Hilo Intl

Mon 4/20

9:00 pm-5:40 am

2 stops26h 40m

$574

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-9:33 pm

2 stops20h 33m

Hilo Intl

Mon 4/20

7:44 pm-5:40 am

2 stops27h 56m

$594

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-9:33 pm

2 stops20h 33m

Hilo Intl

Mon 4/20

6:44 pm-5:40 am

2 stops28h 56m

$614

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 3/3

6:00 am-9:24 pm

2 stops20h 24m

Hilo Intl

Tue 3/10

5:59 pm-9:02 pm

2 stops21h 03m

$625

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sun 3/1

6:46 pm-4:00 pm

2 stops26h 14m

Hilo Intl

Wed 3/4

7:36 pm-5:46 pm

2 stops17h 10m

$634

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 4/21

6:00 am-7:08 am

2 stops31h 08m

Hilo Intl

Sun 4/26

9:00 pm-4:24 pm

3 stops37h 24m

$681

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 4/21

6:00 am-7:08 am

2 stops31h 08m

Hilo Intl

Sun 4/26

9:00 pm-5:15 am

2 stops26h 15m

$721

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sun 3/1

8:15 pm-2:25 pm

2 stops23h 10m

Hilo Intl

Sat 3/7

7:00 am-5:30 am

2 stops17h 30m

$865

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sat 4/4

6:13 am-7:13 pm

2 stops19h 00m

Hilo Intl

Wed 4/8

1:07 pm-8:43 am

2 stops13h 36m

$989

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

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

You could potentially save up to 8% 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

Fastest flight time	16h 11m
Direct flights	None

The fastest flight from Washington, D.C. to Hilo takes 16h 11m

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

Search flight deals

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 16h 11m.
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 February 2026, 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 11,840 reviews		Search Alaska Airlines flights
United Airlines	PriceFrom $741	Free Cancellation	Rating 7.4 9,240 reviews		Search United Airlines flights

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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?

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.