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

Flying on United Airlines is currently your cheapest option to Hilo, with prices starting at $840. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and American Airlines, with the lowest prices starting at $845 and $1,485, respectively.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Hilo?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Hilo flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Hilo?

Saturday is generally a great day to depart. Flying on this day could help you save up to 44%.

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

Flights from Washington, D.C. Dulles Intl Airport to Hilo lean towards being more expensive in May. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Hilo in December, with the cheapest ticket starting at $817.

What is the cheapest time of day to fly from IAD to ITO?

When flying from Washington, D.C. Dulles Intl Airport to Hilo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Hilo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$406+ Flights from Washington, D.C. Dulles Intl Airport to Hilo

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Hilo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Hilo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$840 (United Airlines)
One-way from	$406 (United Airlines)
Popular in	May
Cheapest in	December
Average price	$1,207

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Hilo Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Hilo Intl flights.

Search Deals

From Washington, D.C. Dulles Intl to Hilo Intl

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Hilo Intl

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($208 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 26, 2025.

Thu 9/117:00 amIAD - ITO

2 stops21h 14mAlaska Airlines

Thu 9/1812:14 pmITO - IAD

2 stops21h 45mAlaska Airlines

Deal found 3/24

$839

Tue 4/16:30 amIAD - ITO

2 stops17h 30mUnited Airlines

Thu 4/107:30 amITO - IAD

1 stop17h 48mUnited Airlines

Deal found 3/24

$840

Thu 9/117:09 amIAD - ITO

3 stops17h 09mMultiple Airlines

Thu 9/188:37 amITO - IAD

2 stops20h 08mMultiple Airlines

Deal found 3/24

$1,143

Fri 5/166:17 amIAD - ITO

2 stops16h 44mAmerican Airlines

Fri 5/2310:25 amITO - IAD

3 stops16h 13mAmerican Airlines

Deal found 3/23

$1,461

Best flights from Dulles Intl to Hilo
Discover carefully curated flight deals from Dulles Intl to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Tue 4/16:30 amIAD - ITO

2 stops17h 30mUnited Airlines

Thu 4/107:30 amITO - IAD

1 stop17h 48mUnited Airlines

Deal found 3/24

$840

Fri 5/165:14 pmIAD - ITO

2 stops28h 32mAlaska Airlines

Fri 5/237:55 pmITO - IAD

2 stops17h 04mAlaska Airlines

Deal found 3/25

$845

Fri 5/166:17 amIAD - ITO

2 stops16h 44mAmerican Airlines

Fri 5/2310:25 amITO - IAD

3 stops16h 13mAmerican Airlines

Deal found 3/25

$1,485

Wed 4/166:18 amIAD - ITO

3 stops19h 52mMultiple Airlines

Wed 4/232:05 pmITO - IAD

2 stops20h 18mMultiple Airlines

Deal found 3/25

$1,624

Last-minute flights from Dulles Intl to Hilo
Discover last-minute flight deals from Dulles Intl to Hilo. Data last updated March 26, 2025 and is based on user searches.

Tue 4/16:30 amIAD - ITO

2 stops17h 30mUnited Airlines

Thu 4/107:30 amITO - IAD

1 stop17h 48mUnited Airlines

Deal found 3/24

$840

Fri 4/46:18 amIAD - ITO

2 stops17h 42mMultiple Airlines

Sat 4/124:15 pmITO - IAD

2 stops18h 08mMultiple Airlines

Deal found 3/24

$1,939

Tue 4/157:31 amIAD - ITO

2 stops37h 05mAlaska Airlines

Fri 4/186:00 amITO - IAD

2 stops17h 34mAlaska Airlines

Deal found 3/24

$1,312

Wed 4/165:00 amIAD - ITO

3 stops19h 00mMultiple Airlines

Wed 4/232:05 pmITO - IAD

2 stops20h 18mMultiple Airlines

Deal found 3/24

$1,632

One-way flights from Dulles Intl to Hilo
Search for one-way flight options from Dulles Intl to Hilo. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Tue 4/156:30 amIAD - ITO

2 stops17h 30mUnited Airlines

Deal found 3/25

$406

Thu 5/156:30 amIAD - ITO

2 stops18h 39mAlaska Airlines

Deal found 3/25

$471

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 4/1

6:30 am-6:00 pm

2 stops17h 30m

Hilo Intl

Thu 4/10

7:30 am-7:18 am

1 stop17h 48m

$840

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 5/16

7:59 pm-1:14 pm

2 stops23h 15m

Hilo Intl

Fri 5/23

7:55 pm-6:59 pm

2 stops17h 04m

$891

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 5/16

6:17 am-5:01 pm

2 stops16h 44m

Hilo Intl

Fri 5/23

10:25 am-8:38 am

3 stops16h 13m

$1,461

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 4/16

5:00 am-6:00 pm

3 stops19h 00m

Hilo Intl

Wed 4/23

2:05 pm-4:23 pm

2 stops20h 18m

$1,632

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 4/15

6:30 am-6:00 pm

2 stops17h 30m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Dulles Intl to Hilo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Hilo in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Hilo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $768). 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

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

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

Alaska Airlines

8.0

Very good

9,789 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,789 reviews

Alaska Airlines

8.0

Very good

9,789 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,608 reviews

Alaska Airlines

8.0

Very good

9,789 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,789 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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 United Airlines is currently your cheapest option to Hilo, with prices starting at $840. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and American Airlines, with the lowest prices starting at $845 and $1,485, 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 $768). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Hilo

Top airline flying from Dulles Intl to Hilo

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$641	Average$881	FlexibilityNo cancel fee	On-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$406+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Hilo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Hilo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Hilo

Cheapest flights from Dulles Intl to HiloExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hilo that are best for you.

Compare providers for flights from Dulles Intl to Hilo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Hilo in March.

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.

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?

Rainfall in Hilo by month

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

Temperature in Hilo by month

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

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 March 26, 2025.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Hilo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Hilo

100% Free

Book with Flexibility

Travel Smart

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 March 26, 2025.