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 22m and 13h 51m, respectively.

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

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

What airlines fly to Hilo?

United Airlines, Alaska Airlines and Delta 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 65% 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 May 2026, there is 1 operator 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.

$378 Cheap Flights from Washington, D.C. to Hilo in 2026

1 adult

0 bags

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 8:13 pm

IAD

ITO

17h 13m

2 stops

6:00 am - 5:40 am

ITO

IAD

17h 40m

2 stops

$615Multiple Airlines

Tue, Sep 8 - Wed, Sep 9

7:50 am - 6:17 pm

BWI

ITO

16h 27m

2 stops

7:44 pm - 3:34 pm

ITO

BWI

13h 50m

2 stops

$621Multiple Airlines

Tue, Sep 8 - Wed, Sep 9

7:00 am - 7:12 pm

IAD

ITO

18h 12m

2 stops

7:35 am - 5:40 am

ITO

IAD

16h 05m

2 stops

$621Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

7:50 am - 8:13 pm

BWI

ITO

18h 23m

2 stops

6:00 am - 6:30 am

ITO

BWI

18h 30m

2 stops

$648Multiple Airlines

Tue, Sep 22 - Wed, Sep 23

7:50 am - 7:12 pm

BWI

ITO

17h 22m

2 stops

7:35 am - 6:30 am

ITO

BWI

16h 55m

2 stops

$654Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

6:16 pm - 1:14 pm

BWI

ITO

24h 58m

2 stops

7:44 pm - 3:34 pm

ITO

BWI

13h 50m

2 stops

$681Multiple Airlines

Tue, Sep 22 - Wed, Sep 23

7:50 am - 7:12 pm

BWI

ITO

17h 22m

2 stops

7:35 am - 6:30 am

ITO

BWI

16h 55m

2 stops

$687Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

9:00 am - 7:12 pm

IAD

ITO

16h 12m

2 stops

4:44 pm - 4:54 pm

ITO

IAD

18h 10m

2 stops

$688Multiple Airlines

Tue, Sep 8 - Mon, Sep 14

10:59 am - 9:54 pm

DCA

ITO

16h 55m

2 stops

7:35 am - 8:00 pm

ITO

DCA

30h 25m

2 stops

$705Multiple Airlines

Tue, Sep 29 - Wed, Sep 30

10:59 am - 9:54 pm

DCA

ITO

16h 55m

2 stops

9:26 am - 8:00 pm

ITO

DCA

28h 34m

2 stops

$719Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

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

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

United Airlines

Sep 22

BWI7:00 amBaltimore/Washington

20h 54m

2 stops

ITO9:54 pmHilo Intl

Sep 23

ITO9:26 amHilo Intl

20h 24m

3 stops

BWI11:50 amBaltimore/Washington

$952

United Airlines

Sep 8

DCA11:30 amWashington, D.C. Reagan-National

16h 24m

3 stops

ITO9:54 pmHilo Intl

Sep 9

ITO9:26 amHilo Intl

22h 13m

2 stops

DCA1:39 pmWashington, D.C. Reagan-National

$1,020

United Airlines

Sep 8

DCA11:30 amWashington, D.C. Reagan-National

16h 24m

3 stops

ITO9:54 pmHilo Intl

Sep 9

ITO7:44 pmHilo Intl

16h 04m

3 stops

DCA5:48 pmWashington, D.C. Reagan-National

$1,031

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

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

American Airlines

Sep 8

IAD6:10 amWashington, D.C. Dulles Intl

16h 02m

2 stops

ITO4:12 pmHilo Intl

Sep 14

ITO1:59 pmHilo Intl

18h 01m

3 stops

IAD2:00 pmWashington, D.C. Dulles Intl

$1,103

American Airlines

Sep 8

IAD6:10 amWashington, D.C. Dulles Intl

16h 02m

3 stops

ITO4:12 pmHilo Intl

Sep 14

ITO1:59 pmHilo Intl

18h 01m

3 stops

IAD2:00 pmWashington, D.C. Dulles Intl

$1,200

American Airlines

Sep 8

IAD6:10 amWashington, D.C. Dulles Intl

17h 16m

2 stops

ITO5:26 pmHilo Intl

Sep 14

ITO1:59 pmHilo Intl

18h 01m

3 stops

IAD2:00 pmWashington, D.C. Dulles Intl

$1,324

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 9/8

9:00 am-8:13 pm

2 stops17h 13m

Hilo Intl

Wed 9/9

6:00 am-5:40 am

2 stops17h 40m

$615

Quickest round-trip

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 9/8

7:50 am-6:17 pm

2 stops16h 27m

Hilo Intl

Wed 9/9

7:44 pm-3:34 pm

2 stops13h 50m

$621

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 8/30

7:00 am-7:12 pm

2 stops18h 12m

Hilo Intl

Wed 9/30

7:35 am-5:40 am

2 stops16h 05m

$621

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 9/22

7:50 am-8:13 pm

2 stops18h 23m

Hilo Intl

Wed 9/23

6:00 am-6:30 am

2 stops18h 30m

$648

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sun 8/30

7:50 am-7:12 pm

2 stops17h 22m

Hilo Intl

Wed 9/30

7:35 am-6:30 am

2 stops16h 55m

$654

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 9/22

6:16 pm-1:14 pm

2 stops24h 58m

Hilo Intl

Wed 9/23

7:44 pm-3:34 pm

2 stops13h 50m

$681

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sun 8/30

7:50 am-7:12 pm

2 stops17h 22m

Hilo Intl

Wed 9/30

7:35 am-6:30 am

2 stops16h 55m

$687

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 9/8

9:00 am-7:12 pm

2 stops16h 12m

Hilo Intl

Mon 9/14

4:44 pm-4:54 pm

2 stops18h 10m

$688

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 9/29

10:59 am-9:54 pm

2 stops16h 55m

Hilo Intl

Wed 9/30

7:35 am-8:00 pm

2 stops30h 25m

$705

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sun 8/30

10:59 am-9:54 pm

2 stops16h 55m

Hilo Intl

Wed 9/30

9:26 am-8:00 pm

2 stops28h 34m

$719

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

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Other information

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

You could potentially save up to 28% 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	15h 05m
Direct flights	None

The fastest flight from Washington, D.C. to Hilo takes 15h 05m

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

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 15h 05m.
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 May 2026, there is 1 operator 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.

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 7.9 12,356 reviews		Search Alaska Airlines flights

Mountain View

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.