Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $279 (Alaska Airlines) |
One-way from | $135 (Alaska Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $374 |
Fly from
Fly to
Route
Depart
Return
Price
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Sat 8/9
6:00 pm-6:50 am
1 stop10h 50m
Washington, D.C. Dulles Intl
Sat 8/16
6:30 am-3:04 pm
1 stop10h 34m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 5/21
1:40 pm-11:59 pm
1 stop7h 19m
Washington, D.C. Dulles Intl
Sun 5/25
6:30 am-12:45 pm
1 stop9h 15m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 6/11
6:00 am-5:35 pm
1 stop8h 35m
Washington, D.C. Dulles Intl
Tue 6/17
6:27 am-11:45 am
1 stop8h 18m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 8/7
10:24 am-6:24 pm
1 stop6h 00m
Washington, D.C. Dulles Intl
Thu 8/14
6:40 pm-11:29 pm
1 stop6h 49m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 5/21
5:40 pm-5:52 am
1 stop9h 12m
Washington, D.C. Dulles Intl
Sun 5/25
6:00 am-12:46 pm
2 stops9h 46m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Tue 5/27
7:07 pm-5:08 am
1 stop8h 01m
Washington, D.C. Dulles Intl
Tue 6/3
3:44 pm-9:26 pm
1 stop7h 42m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 6/11
11:46 am-10:39 pm
1 stop8h 53m
Washington, D.C. Dulles Intl
Wed 6/18
6:27 am-2:45 pm
1 stop10h 18m
JacksonWashington, D.C.
JAC - IAD
JACIAD
Jackson Hole
Wed 9/24
7:00 am-4:18 pm
1 stop7h 18m
Washington, D.C. Dulles Intl
Sun 9/28
5:08 am-11:05 am
1 stop7h 57m
Idaho FallsWashington, D.C.
IDA - IAD
IDAIAD
Idaho Falls Fanning Field
Sat 5/24
6:00 am-5:15 pm
1 stop9h 15m
Washington, D.C. Dulles Intl
Sat 5/31
7:00 am-3:40 pm
1 stop10h 40m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Mon 7/28
8:46 pm-7:27 am
1 stop8h 41m
Washington, D.C. Dulles Intl
Thu 7/31
12:40 pm-5:56 pm
1 stop7h 16m
Currently, August is the cheapest month in which you can book a flight from Idaho to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Idaho to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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.
When flying from Idaho to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$141 | Average$409 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$300 | Average$595 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$306 | Average$461 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$346 | Average$438 | FlexibilityNo cancel fee | On-time63% |