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Cheap flights from Washington, D.C. to Hilo from $236

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 2/10. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:59 am - 9:24 pm
DCA
-
ITO
17h 25m2 stops
Multiple Airlines Logo
6:44 pm - 4:09 pm
ITO
-
DCA
16h 25m2 stops
$474Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
6:04 pm - 5:29 pm
IAD
-
ITO
28h 25m2 stops
Multiple Airlines Logo
8:30 pm - 5:04 pm
ITO
-
IAD
15h 34m2 stops
$505Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
6:46 pm - 4:00 pm
BWI
-
ITO
26h 14m2 stops
Multiple Airlines Logo
7:41 pm - 5:46 pm
ITO
-
BWI
17h 05m2 stops
$530Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
5:26 pm - 9:24 pm
IAD
-
ITO
32h 58m2 stops
Multiple Airlines Logo
6:44 pm - 5:04 pm
ITO
-
IAD
17h 20m2 stops
$535Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
6:46 pm - 4:00 pm
BWI
-
ITO
26h 14m2 stops
Multiple Airlines Logo
8:30 pm - 5:46 pm
ITO
-
BWI
16h 16m2 stops
$554Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
8:59 am - 9:24 pm
DCA
-
ITO
17h 25m2 stops
Multiple Airlines Logo
7:41 pm - 9:02 pm
ITO
-
DCA
20h 21m2 stops
$575Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
8:15 am - 5:29 pm
IAD
-
ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 7:23 am
ITO
-
IAD
30h 39m1 stop
$802United Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
8:15 am - 7:59 pm
IAD
-
ITO
16h 44m1 stop
United Airlines Logo
3:02 pm - 1:17 pm
ITO
-
IAD
17h 15m2 stops
$811United Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
8:15 am - 5:29 pm
IAD
-
ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 7:23 am
ITO
-
IAD
30h 39m1 stop
$822United Airlines
Mon, Jan 26 - Wed, Jan 28
Southwest Logo
8:45 pm - 6:10 pm
BWI
-
ITO
26h 25m2 stops
Southwest Logo
7:00 am - 5:30 am
ITO
-
BWI
17h 30m2 stops
$979Southwest
Sat, Feb 28 - Sat, Mar 7

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

Our best United Airlines deals on Washington, D.C. to Hilo flight tickets
United Airlines
Jan 26
IAD8:15 amWashington, D.C. Dulles Intl
14h 14m
1 stop
ITO5:29 pmHilo Intl
Jan 28
ITO7:44 pmHilo Intl
30h 39m
1 stop
IAD7:23 amWashington, D.C. Dulles Intl
$802
Find similar
United Airlines
Jan 26
IAD8:15 amWashington, D.C. Dulles Intl
16h 44m
1 stop
ITO7:59 pmHilo Intl
Jan 28
ITO3:02 pmHilo Intl
17h 15m
2 stops
IAD1:17 pmWashington, D.C. Dulles Intl
$811
Find similar
United Airlines
Jan 26
IAD8:15 amWashington, D.C. Dulles Intl
14h 14m
1 stop
ITO5:29 pmHilo Intl
Jan 28
ITO7:44 pmHilo Intl
30h 39m
1 stop
IAD7:23 amWashington, D.C. Dulles Intl
$822
Find similar

Southwest flights from Washington, D.C. to Hilo

Our best Southwest deals on Washington, D.C. to Hilo flight tickets
Southwest
Feb 28
BWI8:45 pmBaltimore/Washington
26h 25m
2 stops
ITO6:10 pmHilo Intl
Mar 7
ITO7:00 amHilo Intl
17h 30m
2 stops
BWI5:30 amBaltimore/Washington
$979
Find similar
Southwest
Dec 25
BWI6:10 amBaltimore/Washington
20h 30m
2 stops
ITO9:40 pmHilo Intl
Dec 28
ITO6:00 amHilo Intl
13h 10m
2 stops
BWI12:10 amBaltimore/Washington
$1,114
Find similar
Southwest
Mar 27
BWI9:50 amBaltimore/Washington
17h 50m
2 stops
ITO9:40 pmHilo Intl
Apr 4
ITO8:00 amHilo Intl
15h 45m
2 stops
BWI5:45 amBaltimore/Washington
$1,425
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Hilo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 1/26

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Wed 1/28

6:44 pm-4:09 pm

2 stops16h 25m

$474

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

6:04 pm-5:29 pm

2 stops28h 25m

Hilo Intl

Wed 1/28

8:30 pm-5:04 pm

2 stops15h 34m

$505

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Mon 3/2

6:46 pm-4:00 pm

2 stops26h 14m

Hilo Intl

Wed 3/4

7:41 pm-5:46 pm

2 stops17h 05m

$530

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 1/28

6:44 pm-5:04 pm

2 stops17h 20m

$535

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Mon 3/2

6:46 pm-4:00 pm

2 stops26h 14m

Hilo Intl

Wed 3/4

8:30 pm-5:46 pm

2 stops16h 16m

$554

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Wed 2/25

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Sun 3/1

7:41 pm-9:02 pm

2 stops20h 21m

$575

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 1/28

7:44 pm-7:23 am

1 stop30h 39m

$802

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-7:59 pm

1 stop16h 44m

Hilo Intl

Wed 1/28

3:02 pm-1:17 pm

2 stops17h 15m

$811

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 1/28

7:44 pm-7:23 am

1 stop30h 39m

$822

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sat 2/28

8:45 pm-6:10 pm

2 stops26h 25m

Hilo Intl

Sat 3/7

7:00 am-5:30 am

2 stops17h 30m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hilo from

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?

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 36% 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 21m

Direct flights

None
The fastest flight from Washington, D.C. to Hilo takes 15h 21m
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 15h 21m.

  • 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?

  • 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?

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 AirlinesPriceFrom $587Free CancellationRating
8.0
11,510 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $741Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
SouthwestPriceFrom $848Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
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.

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