Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Hilo?

Flights from Washington, D.C. Dulles Intl Airport to Hilo usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Hilo Intl (ITO).

Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Hilo?

Yes. Being flexible with your travel dates can save you up to 60% on the Washington, D.C. Dulles Intl Airport to Hilo route. Tuesday is the cheapest departure day at $602 round-trip on average, while Friday is the most expensive at $1,492, a difference of $890. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Hilo?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

How are flight prices from Washington, D.C. Dulles Intl Airport to Hilo looking right now?

One-way fares from Washington, D.C. Dulles Intl Airport to Hilo are currently higher than usual. Average one-way flight prices are about $460, which is 9% above the typical average for this route.

What is the time difference between Washington, D.C. Dulles Intl Airport and Hilo?

Hilo is 6 hours behind Washington, D.C. Dulles Intl Airport (Hawaii-Aleutian Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Hilo Intl Airport (ITO)?

Hilo Intl Airport (ITO) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include: • Dollar • Thrifty • Hertz • Budget • Alamo

How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Hilo flight?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Hilo range from $787 to $1,048, with an average of $935 over the past 12 months. Anything below $787 counts as a good deal.

$386 CHEAP FLIGHTS from Washington Dulles to Hilo (IAD - ITO)

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Cheapest round-trip

$641

Typical prices: $787-$1,048

Multiple Airlines

Fri 1/26Sat 2/3

IAD - ITO • 2 stops

Cheapest one-way

$386

Typical prices: $420-$577

American Airlines

Sat 11/10

IAD - ITO • 2 stops

When to travel

December

Cheapest • 36% price drop

May

Most popular

Good to know

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We hope you love your trip to Hilo!

Flight Deals

Cheap Flights from Dulles Intl to Hilo (IAD-ITO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Dulles Intl to Hilo

Tue, Jan 26 - Wed, Feb 3

6:53 pm - 3:21 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

25h 28m2 stops San Diego Honolulu

7:30 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

15h 57m2 stops Honolulu Seattle/Tacoma Intl

$641Multiple Airlines

Mon, Feb 22 - Tue, Feb 23

7:00 am - 8:11 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

18h 11m2 stops Seattle/Tacoma Intl Honolulu

6:51 pm - 7:01 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

19h 10m2 stops Honolulu San Diego

$721Multiple Airlines

Sat, Dec 5 - Thu, Dec 10

5:38 pm - 1:23 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

24h 45m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 7:01 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

17h 16m2 stops Honolulu San Diego

$733Multiple Airlines

Tue, Jan 5 - Mon, Jan 18

6:53 pm - 5:18 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

27h 25m2 stops San Diego Honolulu

8:45 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

14h 42m2 stops Honolulu Seattle/Tacoma Intl

$744Multiple Airlines

Wed, Jan 6 - Mon, Jan 18

6:53 pm - 5:18 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

27h 25m2 stops San Diego Honolulu

6:51 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 36m2 stops Honolulu Seattle/Tacoma Intl

$744Multiple Airlines

Mon, Nov 2 - Thu, Feb 25

7:14 am - 5:47 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 33m2 stops Dallas/Fort Worth Honolulu

6:19 pm - 11:39 amITO Hilo Intl-IAD Washington, D.C. Dulles Intl

12h 20m2 stops Honolulu Dallas/Fort Worth

$751American Airlines

Mon, Nov 2 - Thu, Feb 25

7:14 am - 5:47 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 33m2 stops Dallas/Fort Worth Honolulu

6:19 pm - 11:39 amITO Hilo Intl-IAD Washington, D.C. Dulles Intl

12h 20m2 stops Honolulu Dallas/Fort Worth

$771American Airlines

Mon, Jan 4 - Mon, Jan 18

7:00 am - 9:56 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

19h 56m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 4:27 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

14h 42m2 stops Honolulu Seattle/Tacoma Intl

$805Multiple Airlines

Sun, Jan 3 - Mon, Jan 18

6:00 am - 2:21 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

37h 21m2 stops Los Angeles Honolulu

4:59 pm - 10:52 amITO Hilo Intl-IAD Washington, D.C. Dulles Intl

12h 53m2 stops Honolulu Dallas/Fort Worth

$807American Airlines

Tue, Sep 29 - Tue, Oct 27

6:52 am - 4:12 pmIAD Washington, D.C. Dulles Intl-ITO Hilo Intl

15h 20m2 stops Dallas/Fort Worth Honolulu

3:53 pm - 2:18 pmITO Hilo Intl-IAD Washington, D.C. Dulles Intl

16h 25m2 stops Honolulu Dallas/Fort Worth

$808American Airlines

Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Hilo flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Hilo with more confidence.

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

American Airlines ($751) offered the cheapest round-trip ticket from Washington, D.C. Dulles Intl Airport to Hilo in the last 5 days.

Find deals

Low season	April
High season	May
Cheapest flight	$386

Best time to beat the crowds but there is an average 12% increase in price.

Flight from Washington, D.C. Dulles Intl Airport to Hilo

When to book flights from Dulles Intl to Hilo

Are your dates flexible? Find out the best times to travel from Dulles Intl to Hilo based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Hilo?
Flights from Washington, D.C. Dulles Intl Airport to Hilo usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Hilo Intl (ITO).
What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Hilo?
Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Hilo:

• Economy Class
• Business Class
Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Hilo?
Yes. Being flexible with your travel dates can save you up to 60% on the Washington, D.C. Dulles Intl Airport to Hilo route. Tuesday is the cheapest departure day at $602 round-trip on average, while Friday is the most expensive at $1,492, a difference of $890. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Hilo?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
How are flight prices from Washington, D.C. Dulles Intl Airport to Hilo looking right now?
One-way fares from Washington, D.C. Dulles Intl Airport to Hilo are currently higher than usual. Average one-way flight prices are about $460, which is 9% above the typical average for this route.
What is the time difference between Washington, D.C. Dulles Intl Airport and Hilo?
Hilo is 6 hours behind Washington, D.C. Dulles Intl Airport (Hawaii-Aleutian Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Hilo Intl Airport (ITO)?
Hilo Intl Airport (ITO) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
• Dollar
• Thrifty
• Hertz
• Budget
• Alamo
How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Hilo flight?
Round-trip flights from Washington, D.C. Dulles Intl Airport to Hilo range from $787 to $1,048, with an average of $935 over the past 12 months. Anything below $787 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $602 - about $890 less than Friday (60% savings) based on the last 12 months.
If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Hilo trip for December. Fares historically average $602 round-trip in that month - typically $817 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Hilo Intl Airport.
- Grand Naniloa Hotel Hilo - a DoubleTree by Hilton
- Hilo Hawaiian Hotel, Trademark Collection by Wyndham
- Hilo Reeds Bay Hotel

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IAD - ITO

$386 Find Cheap Flights from Washington Dulles Airport to Hilo - Compare and Save

Everything you should know

Cheap Flights from Dulles Intl to Hilo (IAD-ITO)

Recent round-trip flight deals from Dulles Intl to Hilo

Recent one-way flight deals from Dulles Intl to Hilo

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Hilo flights

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

Key details for Washington, D.C. Dulles Intl Airport to Hilo flights

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When to book flights from Dulles Intl to Hilo

Your Washington, D.C. Dulles Intl Airport to Hilo flight questions, answered

Your guide to booking Washington, D.C. Dulles Intl Airport to Hilo flights

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