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Hilo

$263+ Cheap flights from Dulles Intl (IAD) to Hilo (ITO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hilo (ITO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$615
(Alaska Airlines)

One-way from

$263
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$1,162
From Washington, D.C. Dulles Intl to Hilo Intl
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One-way flight from Washington, D.C. Dulles Intl to Hilo Intl
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Highest demand for flights based on searches. 10% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Hilo

Cheapest flights from Dulles Intl to Hilo
Explore the most affordable flight options available from Dulles Intl to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:47 pmIAD - ITO
2 stops32h 40mAlaska Airlines
Fri 10/177:45 amITO - IAD
2 stops17h 48mAlaska Airlines
Deal found 6/11$570
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:05 pmIAD - ITO
2 stops25h 41mUnited Airlines
Mon 10/208:35 amITO - IAD
2 stops16h 21mUnited Airlines
Deal found 6/11$888
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:30 amIAD - ITO
2 stops20h 46mDelta
Thu 9/1812:20 pmITO - IAD
2 stops14h 29mDelta
Deal found 6/11$911
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:25 amIAD - ITO
3 stops20h 03mAmerican Airlines
Thu 9/182:56 pmITO - IAD
2 stops14h 01mAmerican Airlines
Deal found 6/12$1,475
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:30 amIAD - ITO
1 stop14h 27mMultiple Airlines
Sat 9/1312:20 pmITO - IAD
1 stop12h 26mMultiple Airlines
Deal found 6/10$1,819

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hilo that are best for you.

Fly from

Dulles Intl

Fly to

Hilo

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 10/14

5:47 pm-8:27 pm

2 stops32h 40m

Hilo Intl

Fri 10/17

7:45 am-7:33 am

2 stops17h 48m

$570

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 10/12

10:05 pm-5:46 pm

2 stops25h 41m

Hilo Intl

Mon 10/20

8:35 am-6:56 am

2 stops16h 21m

$888

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 9/11

7:30 am-10:16 pm

2 stops20h 46m

Hilo Intl

Thu 9/18

12:20 pm-8:49 am

2 stops14h 29m

$911

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 9/11

6:25 am-8:28 pm

3 stops20h 03m

Hilo Intl

Thu 9/18

2:56 pm-10:57 am

2 stops14h 01m

$1,475

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 9/6

8:30 am-4:57 pm

1 stop14h 27m

Hilo Intl

Sat 9/13

12:20 pm-6:46 am

1 stop12h 26m

$1,819

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 8/25

7:00 am-5:37 pm

2 stops16h 37m

$263

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 6/30

5:18 pm-5:38 pm

3 stops30h 20m

$702

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 9/15

6:25 am-8:28 pm

3 stops20h 03m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Dulles Intl to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hilo

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hilo?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hilo (average of $330). Flying from Washington, D.C. Dulles Intl Airport to Hilo in July is currently the most expensive (average of $726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Hilo by month

Plan your trip to Hilo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

Temperature in Hilo by month

Plan your trip to Hilo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hilo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hilo from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Hilo, you will be flying into Hilo Intl. Hilo Intl (ITO) is just 3.0 mi from the center of the city. Hilo Intl is the only Hilo airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 1 airline has flights to Hilo Intl from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hilo round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Hilo, with prices starting at $615. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $968 and $981, respectively.

  • Can I find deals for flights from Dulles Intl to Hilo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Hilo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hilo.

  • Can I find deals for business class flights from Dulles Intl to Hilo?

    Yes. Cheapflights offers flight deals from Dulles Intl to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hilo?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hilo (average of $330). Flying from Washington, D.C. Dulles Intl Airport to Hilo in July is currently the most expensive (average of $726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Hilo

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Hilo

Discover the top airline that operate flights from Dulles Intl to Hilo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$641Average$881FlexibilityNo cancel feeOn-time75%

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