Cheap flights from Boise (BOI) to Washington, D.C. (WAS) from $100

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. Click the price to replicate the search for this deal.
BOI — WAS
Mar 24 — Mar 311

The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in January or September, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Boise to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$234

One-way from

$192
High demand for flights, 24% potential price rise
Best time to find cheap flights, 44% potential price drop
From Boise Air Term. Gowen Fld to Washington, D.C. (WAS)
One-way flight from Boise Air Term. Gowen Fld to Washington, D.C. (WAS)

What is the cheapest day to fly round-trip from Boise to Washington, D.C.?

Flights from Boise to Washington, D.C. are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

How far in advance should I book a flight from Boise to Washington, D.C.?

Travelers have found it’s best to book a flight 23 days in advance to save up to 712% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boise to Washington, D.C. 1-2 weeks in advance for as low as $498, or $785 for flights within the next 24 hours.

What is the cheapest month to fly from Boise to Washington, D.C.?

The best pricing can be found in the month of January. Prices to Washington, D.C. from Boise average $514. You can even find prices in January for less than $514, as users have found deals to Washington, D.C. from as low as $255. The month of December appears to be one of the more expensive times to travel to Washington, D.C. from Boise. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Boise to Washington, D.C. (BOI - WAS)?

When flying from Boise to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight in the morning.

Cheap Alaska Airlines flights from Boise to Washington, D.C.

Explore cheap flight options specifically provided by Alaska Airlines for the route between Boise and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Find some of the cheapest Alaska Airlines flights traveling from Boise to Washington, D.C.. Make sure to double check the flight details before booking.
Sat 4/136:00 amBOI - IAD
2 stops12h 59mAlaska Airlines
Sat 4/207:40 amIAD - BOI
1 stop8h 25mAlaska Airlines
Deal found 3/18$430
Fri 5/38:00 amBOI - IAD
2 stops20h 25mAlaska Airlines
Mon 5/67:09 pmIAD - BOI
1 stop19h 11mAlaska Airlines
Deal found 3/17$458
Wed 4/101:00 pmBOI - IAD
1 stop8h 59mAlaska Airlines
Sun 4/147:13 amIAD - BOI
1 stop18h 46mAlaska Airlines
Deal found 3/18$475
Sun 5/268:40 pmBOI - IAD
1 stop9h 00mAlaska Airlines
Fri 5/314:19 pmIAD - BOI
2 stops29h 41mAlaska Airlines
Deal found 3/18$496
Thu 5/238:40 pmBOI - IAD
1 stop9h 00mAlaska Airlines
Sat 5/256:05 pmIAD - BOI
1 stop20h 30mAlaska Airlines
Deal found 3/18$500

Cheap Sun Country Air flights from Boise to Washington, D.C.

Explore cheap flight options specifically provided by Sun Country Air for the route between Boise and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To aid your search, here are some of the cheapest Sun Country Air flights we've found from Boise to Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 7/275:52 pmBOI - BWI
1 stop15h 16mSun Country Air
Wed 7/3111:45 amBWI - BOI
1 stop7h 22mSun Country Air
Deal found 3/18$368
Sat 7/275:52 pmBOI - IAD
1 stop16h 58mSun Country Air
Wed 7/3111:25 amIAD - BOI
1 stop7h 42mSun Country Air
Deal found 3/18$373

Cheap Boise to Washington, D.C. flights in March & April 2024

Find cheap flight options from Boise to Washington, D.C. specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/179:21 pmBOI - BWI
1 stop13h 57mSpirit Airlines
Wed 4/246:49 pmBWI - BOI
2 stops26h 30mSpirit Airlines
Deal found 3/18$230
Wed 4/179:21 pmBOI - BWI
1 stop7h 47mSpirit Airlines
Wed 4/248:08 amBWI - BOI
1 stop14h 23mSpirit Airlines
Deal found 3/18$235
Mon 4/89:30 pmBOI - BWI
1 stop14h 02mSpirit Airlines
Sat 4/139:15 amBWI - BOI
1 stop12h 10mSpirit Airlines
Deal found 3/18$252
Sat 4/138:15 pmBOI - BWI
1 stop8h 53mSpirit Airlines
Sat 4/208:08 amBWI - BOI
1 stop13h 17mSpirit Airlines
Deal found 3/18$264
Thu 4/49:30 pmBOI - BWI
1 stop14h 02mSpirit Airlines
Wed 4/102:25 pmBWI - BOI
1 stop8h 06mSpirit Airlines
Deal found 3/18$269
Thu 4/118:19 pmBOI - BWI
1 stop14h 59mSpirit Airlines
Sat 4/138:08 amBWI - BOI
1 stop13h 17mSpirit Airlines
Deal found 3/18$271
Sat 4/138:15 pmBOI - BWI
1 stop8h 53mSpirit Airlines
Tue 4/168:08 amBWI - BOI
1 stop13h 49mSpirit Airlines
Deal found 3/18$274
Sat 4/138:15 pmBOI - BWI
2 stops12h 56mMultiple Airlines
Sat 4/209:15 amBWI - BOI
1 stop12h 10mMultiple Airlines
Deal found 3/18$279
Fri 4/129:21 pmBOI - BWI
2 stops17h 56mSpirit Airlines
Sat 4/209:15 amBWI - BOI
1 stop12h 10mSpirit Airlines
Deal found 3/18$284

Boise to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Boise and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/179:21 pmBOI - BWI
1 stop13h 57mSpirit Airlines
Wed 4/246:49 pmBWI - BOI
2 stops26h 30mSpirit Airlines
Deal found 3/18$230
Wed 4/179:21 pmBOI - BWI
1 stop7h 47mSpirit Airlines
Wed 4/248:08 amBWI - BOI
1 stop14h 23mSpirit Airlines
Deal found 3/18$235
Mon 4/89:30 pmBOI - BWI
1 stop14h 02mSpirit Airlines
Sat 4/139:15 amBWI - BOI
1 stop12h 10mSpirit Airlines
Deal found 3/18$252
Sat 4/138:15 pmBOI - BWI
1 stop8h 53mSpirit Airlines
Sat 4/208:08 amBWI - BOI
1 stop13h 17mSpirit Airlines
Deal found 3/18$264
Thu 4/49:30 pmBOI - BWI
1 stop14h 02mSpirit Airlines
Wed 4/102:25 pmBWI - BOI
1 stop8h 06mSpirit Airlines
Deal found 3/18$269
Thu 4/118:19 pmBOI - BWI
1 stop14h 59mSpirit Airlines
Sat 4/138:08 amBWI - BOI
1 stop13h 17mSpirit Airlines
Deal found 3/18$271
Sat 4/138:15 pmBOI - BWI
1 stop8h 53mSpirit Airlines
Tue 4/168:08 amBWI - BOI
1 stop13h 49mSpirit Airlines
Deal found 3/18$274
Sat 4/138:15 pmBOI - BWI
2 stops12h 56mMultiple Airlines
Sat 4/209:15 amBWI - BOI
1 stop12h 10mMultiple Airlines
Deal found 3/18$279
Fri 4/129:21 pmBOI - BWI
2 stops17h 56mSpirit Airlines
Sat 4/209:15 amBWI - BOI
1 stop12h 10mSpirit Airlines
Deal found 3/18$284

One-way flights to Washington, D.C. from Boise

Search for one-way flight options from Boise to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
If you're seeking multiple options on one-way flights from Boise to Washington, D.C., be sure to check out these deals, which are updated often. Those seeking round-trip flights from Boise to Washington, D.C. should utilize the search form at the the top of the page.
Mon 4/159:21 pmBOI - BWI
2 stops31h 31mSpirit Airlines
Deal found 3/18$100
Mon 4/89:30 pmBOI - BWI
2 stops35h 59mMultiple Airlines
Deal found 3/18$107
Mon 4/159:21 pmBOI - DCA
3 stops36h 39mMultiple Airlines
Deal found 3/18$120
Sun 4/79:30 pmBOI - DCA
2 stops36h 39mMultiple Airlines
Deal found 3/17$123
Mon 4/89:30 pmBOI - BWI
1 stop14h 02mSpirit Airlines
Deal found 3/18$127
Sun 4/79:30 pmBOI - DCA
3 stops36h 39mMultiple Airlines
Deal found 3/17$131
Sun 4/148:50 pmBOI - BWI
2 stops32h 02mMultiple Airlines
Deal found 3/18$146
Tue 3/269:10 pmBOI - BWI
2 stops14h 34mMultiple Airlines
Deal found 3/18$147
Tue 3/2611:16 amBOI - DCA
2 stops28h 37mMultiple Airlines
Deal found 3/18$150

Find flights from Boise to Washington, D.C. within your budget

Customize your flight search to find flights from Boise to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$252 - $467

Route

Depart

Return

Price

Boise Air Term. Gowen FldBaltimore/Washington

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 4/8

1 stop14h 02m

Baltimore/Washington

Sat 4/13

1 stop12h 10m

$252

Boise Air Term. Gowen FldBaltimore/Washington

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 4/13

1 stop8h 53m

Baltimore/Washington

Sat 4/20

1 stop13h 17m

$264

Boise Air Term. Gowen FldBaltimore/Washington

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 4/4

1 stop14h 02m

Baltimore/Washington

Wed 4/10

1 stop8h 06m

$269

Boise Air Term. Gowen FldBaltimore/Washington

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 4/13

2 stops12h 56m

Baltimore/Washington

Sat 4/20

1 stop12h 10m

$279

Boise Air Term. Gowen FldWashington, D.C. Dulles Intl

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 4/17

1 stop8h 26m

Washington, D.C. Dulles Intl

Tue 4/23

1 stop8h 13m

$358

Boise Air Term. Gowen FldBaltimore/Washington

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 7/27

1 stop15h 16m

Baltimore/Washington

Wed 7/31

1 stop7h 22m

$368

Boise Air Term. Gowen FldWashington, D.C. Dulles Intl

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 4/8

1 stop10h 11m

Washington, D.C. Dulles Intl

Sat 4/13

1 stop7h 20m

$407

Boise Air Term. Gowen FldWashington, D.C. Dulles Intl

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 4/13

2 stops12h 59m

Washington, D.C. Dulles Intl

Sat 4/20

1 stop8h 25m

$430

Boise Air Term. Gowen FldWashington, D.C. Reagan-National

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sun 9/8

1 stop10h 59m

Washington, D.C. Reagan-National

Sat 9/14

1 stop9h 11m

$467

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Boise to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Washington, D.C.. Price data was last updated on January 28, 2024.
The best time to book flights from Boise to Washington, D.C. is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Boise to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Boise to Washington, D.C.. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boise to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Washington, D.C. by month

Plan your trip from Boise to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Boise to Washington, D.C. is currently $128 while a round-trip flight costs $344. Price data was last updated on March 17, 2024.

Currently, September is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $282). Flying from Boise to Washington, D.C. in June is currently the most expensive (average of $407). 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.

January

$308

February

$303

March

$354

April

$345

May

$345

June

$407

July

$379

August

$298

September

$282

October

$306

November

$326

December

$289

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated March 19, 2024.
See what other customers who have flown with Alaska Airlines, Sun Country Air and Delta from Boise to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,312 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
704 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

Related info for your journey

Find useful and relevant information for your journey from Boise to Washington, D.C.. 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 from for flights from Boise to Washington, D.C.?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Washington, D.C.. On average, Air Term. Gowen Fld has 0 outbound flights to Washington, D.C. per day from 5 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • Can I find flights from Boise to Washington, D.C. for under $300 on Cheapflights?

    Yes, there are multiple flights from Boise to Washington, D.C. for under $300. The cheapest flight booked recently is on Spirit Airlines for just $252, but on average you can expect to pay $294.

  • What are the cheapest airlines flying from Boise to Washington, D.C. round-trip?

    According to our current data, Spirit Airlines ($252), and Delta ($358) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 51% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boise to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $100. Delta flights start at $179 while deals on American Airlines start at $184 one-way.

  • What are the most popular routes from Boise to Washington, D.C.?

  • What are the most popular airlines that fly from Boise to Washington, D.C.?

  • What does BOI to IAD mean?

    This is defined as Boise Air Term. Gowen Fld Airport (BOI) and Washington, D.C. Dulles Intl Airport (IAD). Codes like Washington, D.C. Dulles Intl Airport are often used to just call airports uniquely. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are some additional IATA codes for airports related to your trip.

See more FAQs

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.

Top 5 airlines flying from Boise to Washington, D.C.

Discover the top 5 airlines that operate flights from Boise to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$201Average$332FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$252Average$649FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$317Average$548FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$324Average$682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$402Average$638FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Boise to Washington, D.C. by cabin class

Find flights from Boise to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Boise to Washington, D.C.

Find hourly flight availability from Boise to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boise to Washington, D.C.?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington, D.C. from Boise today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boise to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boise to Washington, D.C..

Can Cheapflights find flights from Boise to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Boise shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boise to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Boise today and book when prices fit your budget.

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