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

Delta 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 60% 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.

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 13h 17m and 13h 41m, 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 March 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.

$316 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.

7:10 am - 5:39 pm

IAD

ITO

16h 29m

2 stops

5:59 pm - 6:20 pm

ITO

IAD

18h 21m

2 stops

$544Multiple Airlines

Isnin, Apr 27 - Rabu, Apr 29

8:00 am - 9:56 pm

DCA

ITO

19h 56m

2 stops

6:49 pm - 4:08 pm

ITO

DCA

15h 19m

2 stops

$640Multiple Airlines

Rabu, Sep 9 - Khamis, Sep 10

9:00 am - 8:20 pm

IAD

ITO

17h 20m

2 stops

7:29 am - 7:28 am

ITO

IAD

17h 59m

2 stops

$659Multiple Airlines

Ahad, Ogos 30 - Rabu, Sep 30

6:22 pm - 5:41 pm

IAD

ITO

29h 19m

2 stops

9:00 pm - 6:20 pm

ITO

IAD

15h 20m

2 stops

$678Multiple Airlines

Rabu, Apr 15 - Rabu, Apr 22

7:04 am - 5:39 pm

BWI

ITO

16h 35m

2 stops

12:24 pm - 5:44 am

ITO

BWI

35h 20m

2 stops

$703Multiple Airlines

Selasa, Mei 5 - Rabu, Mei 6

7:51 am - 8:20 pm

BWI

ITO

18h 29m

2 stops

7:29 am - 6:21 am

ITO

BWI

16h 52m

2 stops

$704Multiple Airlines

Ahad, Ogos 30 - Rabu, Sep 30

8:59 am - 8:28 pm

DCA

ITO

17h 29m

2 stops

4:45 pm - 8:00 pm

ITO

DCA

21h 15m

2 stops

$714Multiple Airlines

Selasa, Mei 5 - Rabu, Mei 6

7:04 am - 1:01 pm

BWI

ITO

35h 57m

2 stops

9:00 pm - 6:16 pm

ITO

BWI

15h 16m

2 stops

$718Multiple Airlines

Selasa, Mei 5 - Rabu, Mei 6

6:15 am - 9:33 pm

BWI

ITO

21h 18m

3 stops

10:56 am - 5:08 pm

ITO

BWI

24h 12m

2 stops

$880United Airlines

Selasa, Mei 5 - Rabu, Mei 6

6:30 am - 9:33 pm

DCA

ITO

21h 03m

3 stops

7:44 pm - 1:35 pm

ITO

DCA

35h 51m

2 stops

$911United Airlines

Selasa, Mei 5 - Rabu, Mei 6

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

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

United Airlines

May 5

BWI6:15 amBaltimore/Washington

21h 18m

3 stops

ITO9:33 pmHilo Intl

May 6

ITO10:56 amHilo Intl

24h 12m

2 stops

BWI5:08 pmBaltimore/Washington

$880

United Airlines

May 5

DCA6:30 amWashington, D.C. Reagan-National

21h 03m

3 stops

ITO9:33 pmHilo Intl

May 6

ITO7:44 pmHilo Intl

35h 51m

2 stops

DCA1:35 pmWashington, D.C. Reagan-National

$911

United Airlines

May 5

DCA7:30 amWashington, D.C. Reagan-National

20h 03m

3 stops

ITO9:33 pmHilo Intl

May 14

ITO11:27 amHilo Intl

20h 08m

2 stops

DCA1:35 pmWashington, D.C. Reagan-National

$919

Delta flights from Washington, D.C. to Hilo

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

Delta

Apr 16

IAD6:00 amWashington, D.C. Dulles Intl

17h 27m

2 stops

ITO5:27 pmHilo Intl

Apr 20

ITO10:56 amHilo Intl

19h 09m

2 stops

IAD12:05 pmWashington, D.C. Dulles Intl

$903

Delta

Apr 16

IAD6:00 amWashington, D.C. Dulles Intl

17h 27m

2 stops

ITO5:27 pmHilo Intl

Apr 20

ITO1:46 pmHilo Intl

14h 32m

2 stops

IAD10:18 amWashington, D.C. Dulles Intl

$949

Delta

Apr 3

IAD6:01 amWashington, D.C. Dulles Intl

17h 41m

2 stops

ITO5:42 pmHilo Intl

Apr 7

ITO2:11 pmHilo Intl

16h 28m

2 stops

IAD12:39 pmWashington, D.C. Dulles Intl

$1,045

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Isnin 4/27

7:10 am-5:39 pm

2 stops16h 29m

Hilo Intl

Rabu 4/29

5:59 pm-6:20 pm

2 stops18h 21m

$544

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Rabu 9/9

8:00 am-9:56 pm

2 stops19h 56m

Hilo Intl

Khamis 9/10

6:49 pm-4:08 pm

2 stops15h 19m

$640

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Ahad 8/30

9:00 am-8:20 pm

2 stops17h 20m

Hilo Intl

Rabu 9/30

7:29 am-7:28 am

2 stops17h 59m

$659

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Rabu 4/15

6:22 pm-5:41 pm

2 stops29h 19m

Hilo Intl

Rabu 4/22

9:00 pm-6:20 pm

2 stops15h 20m

$678

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Selasa 5/5

7:04 am-5:39 pm

2 stops16h 35m

Hilo Intl

Rabu 5/6

12:24 pm-5:44 am

2 stops35h 20m

$703

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Ahad 8/30

7:51 am-8:20 pm

2 stops18h 29m

Hilo Intl

Rabu 9/30

7:29 am-6:21 am

2 stops16h 52m

$704

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Selasa 5/5

8:59 am-8:28 pm

2 stops17h 29m

Hilo Intl

Rabu 5/6

4:45 pm-8:00 pm

2 stops21h 15m

$714

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Selasa 5/5

7:04 am-1:01 pm

2 stops35h 57m

Hilo Intl

Rabu 5/6

9:00 pm-6:16 pm

2 stops15h 16m

$718

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Selasa 5/5

6:15 am-9:33 pm

3 stops21h 18m

Hilo Intl

Rabu 5/6

10:56 am-5:08 pm

2 stops24h 12m

$880

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Selasa 5/5

6:30 am-9:33 pm

3 stops21h 03m

Hilo Intl

Rabu 5/6

7:44 pm-1:35 pm

2 stops35h 51m

$911

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 3% 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 14m
Direct flights	None

The fastest flight from Washington, D.C. to Hilo takes 16h 14m

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 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 March 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.
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 7.9 12,101 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.