Our cheapest offers for flights from Washington DC to Hilo

Here you can compare cheap flights from Washington DC (IAD) to Hilo (ITO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Hilo. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Washington DC Hilo	Outbound 09/19/25 2 Stopovers (LAX, HNL) AS0309, AS8003, AS8209 26h 28min	Return 09/29/25 2 Stopovers (HNL, SAN) AS8222, AS8112, AS0322 17h 22min	Alaska Airlines	?	$761
Best option Washington DC Hilo	Outbound 09/19/25 2 Stopovers (LAX, HNL) AS0309, AS8003, AS8209 26h 28min	Return 09/29/25 2 Stopovers (HNL, LAX) AS8227, AS8004, AS0310 15h 14min	Alaska Airlines	?	$763
Washington DC Hilo	Outbound 10/18/25 2 Stopovers (DEN, OGG) UA1537, UA1736, UA7868 37h 21min	Return 11/17/25 2 Stopovers (HNL, SFO) UA7882, UA0214, UA0562 22h 55min	United Airlines	?	$821
Washington DC Hilo	Outbound 09/04/25 2 Stopovers (LAX, HNL) UA1981, UA1170, UA7881 31h 06min	Return 09/28/25 2 Stopovers (HNL, DEN) UA7817, UA1806, UA1924 39h 33min	United Airlines	?	$822
Washington DC Hilo	Outbound 09/04/25 2 Stopovers (SEA, OGG) HA4968, HA7817, HA0510 14h 37min	Return 09/28/25 2 Stopovers (HNL, SAN) HA0551, HA0612, HA6401 14h 47min	Hawaiian Airlines	?	$846
Washington DC Hilo	Outbound 09/04/25 2 Stopovers (LAX, OGG) UA1385, UA0417, UA7868 25h 32min	Return 09/28/25 2 Stopovers (HNL, SFO) UA7817, UA1947, UA1870 17h 12min	United Airlines	?	$848
Washington DC Hilo	Outbound 10/18/25 2 Stopovers (SFO, HNL) UA0367, UA1175, UA7881 24h 50min	Return 11/17/25 2 Stopovers (HNL, LAX) UA7882, UA1169, UA2667 18h 11min	United Airlines	?	$853
Washington DC Hilo	Outbound 09/04/25 2 Stopovers (SEA, OGG) AS0375, AS0817, AS8381 14h 37min	Return 09/28/25 2 Stopovers (HNL, SAN) AS8222, AS8112, AS0322 14h 47min	Alaska Airlines		$860
Washington DC Hilo	Outbound 10/18/25 2 Stopovers (SEA, HNL) AS0375, AS8027, AS8211 19h 25min	Return 11/17/25 2 Stopovers (HNL, SAN) AS8221, AS8126, AS0506 24h 20min	Alaska Airlines	?	$871
Washington DC Hilo	Outbound 09/19/25 2 Stopovers (SEA, HNL) HA4967, HA0027, HA0372 15h 57min	Return 09/29/25 2 Stopovers (HNL, SAN) HA0551, HA0612, HA6401 17h 22min	Hawaiian Airlines	?	$874

Tips and tricks to help you find cheap flights from Washington DC to Hilo

Favourite connection: via Los Angeles and Honolulu

Stopover flights on this route are especially popular via Los Angeles and Honolulu, making up 50 % of bookings.

Route

bookings

2 stopovers Los Angeles International Airport, CA Honolulu International Airport, HI

30h 23min, from $ 982

50 %

2 stopovers Dallas-Fort Worth International Airport, T Honolulu International Airport, HI

15h 47min, from $ 1.535

33 %

2 stopovers Salt Lake City International Airport, UT Honolulu International Airport, HI

16h 04min, from $ 1.104

17 %

Important flight information

Flight information: Washington DC - Hilo

Roundtrip from	$ 760,42
Distance	7605 km
Departure airport	Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport	Airport Hilo, HI (ITO)
Destination country	Flights to United States

Alternative routes to United States

Flight Washington DC - Miami from $ 173
Flight Washington DC - Los Angeles from $ 197
Flight Washington DC - Orlando from $ 100
Flight Washington DC - San Francisco from $ 268
Flight Washington DC - Las Vegas from $ 164
Flight Washington DC - Honolulu from $ 514
Flight Washington DC - Boston from $ 183
Flight Washington DC - Chicago O'Hare from $ 187
Flight Washington DC - Fort Myers from $ 259
Flight Washington DC - Atlanta from $ 108

Alternative flights to Hilo

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Flight Washington DC - Lahore from $ 732