Skyscanner home

Cheap Flights from Washington D.C. (IAD) to Hilo (ITO)

Compare Washington Dulles to Hilo flight deals

Find the cheapest month or even day of the year to fly to Hilo

Book the best Hilo fare with no extra fees

Flight deals from Washington Dulles to Hilo

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Hilo Airport? If you want to travel next month, return fares start from $1,732. Find the lowest prices on one-way and return tickets right here.
Hilo.$1,389 per passenger.Departing Sat, 29 Aug, returning Sat, 26 Sep.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sat, 29 Aug, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Sat, 26 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,389, select.
Hilo.$1,623 per passenger.Departing Thu, 28 Jan, returning Wed, 3 Feb.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Thu, 28 Jan, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Wed, 3 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,623, select.
Hilo.$1,675 per passenger.Departing Tue, 23 Feb, returning Sun, 28 Feb.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Tue, 23 Feb, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Sun, 28 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,675, select.
Hilo.$1,704 per passenger.Departing Mon, 3 Aug, returning Thu, 6 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon, 3 Aug, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Thu, 6 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,704, select.
Hilo.$1,732 per passenger.Departing Fri, 17 Jul, returning Thu, 23 Jul.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Fri, 17 Jul, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Thu, 23 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,732, select.
Hilo.$2,470 per passenger.Departing Sun, 26 Jul, returning Sat, 1 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sun, 26 Jul, arriving in Hilo.Inbound indirect flight with United, departs from Hilo on Sat, 1 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $2,470, select.

Find the cheapest month to fly from Washington Dulles to Hilo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Hilo flights are currently cheapest in February.
Jun
Find prices
Jul
from $1,732
Aug
from $1,704
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
from $1,675
Mar
Find prices
Apr
Find prices
May
Find prices

Washington Dulles to Hilo: Alternative routes

Compare routes from Washington Dulles to Hilo below. You may find an airport to fly into that's cheaper, faster, or easier than Hilo.

Hilo

3km from central Hilo
ClosestCheapest
from $1,389
Search flights

Kamuela

69km from central Hilo
Search flights

Washington D.C. to Hilo: Flight information

The things to know before you go.
Cheapest flight found$1,389
Cheapest month to flyAugust

Finding cheap flights from Washington Dulles to Hilo: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Hilo is $1,389. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Hilo. But we found flights with one or more stops from $1,389.
As of June 2026, there are no flights flying from Washington Dulles to Hilo.
The cheapest month to fly from Washington Dulles to Hilo is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Hilo Airport on Saturday, 29 August 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Hilo Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hilo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hilo is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Hilo.

Flying from Washington Dulles Airport (IAD) to Hilo Airport (ITO): what you need to know

  • To ensure you catch your IAD to ITO flight, allow plenty of time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights when you fly during a high season in general.

  • Pick a stopover if you prefer to break up your flight. Simply uncheck 'Direct flights only' to see all your options for tickets from Washington Dulles Airport to Hilo Airport. Honolulu International Airport is a popular stopover on the IAD to ITO route.

How to find the cheapest flights from Washington Dulles Airport (IAD) to Hilo Airport (ITO)

  • At the moment, $691 is the cheapest price we've seen for a one-way Washington Dulles Airport to Hilo Airport flight. The best price for a return plane ticket is $1,389. Keep in mind that fares could change due to demand when booking.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from IAD to ITO if you book ahead. Airlines often offer some terrific early bird deals.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price across each month when searching for your flight from Washington Dulles Airport to Hilo Airport.

  • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from IAD to ITO.

  • Choose your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Washington Dulles Airport to Hilo Airport.

Handy information about Washington Dulles Airport (IAD)

  • The address for IAD is 1 Saarinen Circle.

  • Of all flights departing from Washington Dulles Airport, 77% touch down on time at their destination.

  • Central Washington DC to Washington Dulles Airport is around 40 kilometres. Depending on traffic, it'll take about 45 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • The trip when using public transport takes roughly 1 hour 10 minutes.

  • Get your holiday off to a leisurely start by staying near IAD. Whether you're taking an early flight from Washington Dulles Airport to Hilo Airport or just don't want to be rushed, these stays are ideal:

Arriving at Hilo Airport (ITO)

Getting from Hilo Airport (ITO) to central Hilo

  • Hilo Airport to the centre of Hilo has a drive time of about 15 minutes. It's approximately 6 kilometres away.

  • Travelling on public transport takes about 25 minutes.

When to fly to Hilo Airport (ITO)

  • The quietest month for a flight from Washington Dulles Airport to Hilo Airport is February, while September is the most popular. Pick the ideal time to go to Hilo based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Hilo is October, with the temperature ranging between 19ºC (66ºF) and 26ºC (79ºF). Book your flights from Washington Dulles Airport to Hilo Airport in this month if you enjoy this type of weather.

  • March sees average temperatures of between 16ºC (61ºF) and 23ºC (73ºF). Look for cheap tickets from IAD to ITO sometime around then if you want to travel in cooler conditions.

Explore more of the United States

  • Hilo is always a good idea, but there are so many other parts of the United States just waiting to be explored. Around 338 kilometres north-west of Hilo, a visit to Honolulu will keep your itinerary packed. Start with popular sights like Pacific Ocean, Waikiki Beach and Pearl Harbour.

Plan the rest of your trip from Washington D.C. to Hilo

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.