Cheap flights from Boston to Washington, D.C. Dulles Intl Airport from £55
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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
The best prices from Boston Logan Intl to Washington, D.C. Dulles Intl are usually found in January or August, booked 51 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Boston to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Dulles Intl (IAD). 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 21 February 2025.
Round-trip from | £93 |
---|---|
One-way from | £55 |
Popular in | April |
Cheapest in | January |
Average price | £219 |
Good one-way deal | £111 or less |
Find flight deals from Boston to Dulles Intl
Cheapest flights from Boston to Dulles IntlExplore the most affordable flight options available from Boston to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
Explore the most affordable flight options available from Boston to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
Find flights from Boston to Dulles Intl within your budget
Customise your flight search to find flights from Boston to Dulles Intl 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 858,174 searches. Data last updated 21 February 2025.
Fly from
Fly to
Route
Depart
Return
Price
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Wed 19/3
05:30-07:14
Nonstop1h 44m
Washington, D.C. Dulles Intl
Thu 20/3
08:50-10:25
Nonstop1h 35m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Thu 3/4
12:40-20:28
1 stop7h 48m
Washington, D.C. Dulles Intl
Mon 7/4
17:54-00:47
1 stop6h 53m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Thu 13/3
17:10-23:00
1 stop5h 50m
Washington, D.C. Dulles Intl
Mon 17/3
17:22-23:51
1 stop6h 29m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Sun 23/3
07:48-13:22
1 stop5h 34m
Washington, D.C. Dulles Intl
Fri 28/3
17:28-22:36
1 stop5h 08m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Sat 29/3
09:25-11:10
Nonstop1h 45m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Sun 23/3
05:05-11:02
1 stop5h 57m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Sun 25/5
06:00-11:51
1 stop5h 51m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Mon 24/3
11:14-11:26
3 stops24h 12m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Mon 24/3
13:06-23:58
2 stops10h 52m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Tue 22/4
19:47-17:22
1 stop21h 35m
Best time to book a flight from Boston to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Boston with our price prediction graph.
Travel insights for flights from Boston to Dulles Intl
Get recent, data-driven insights about flights from Boston to Dulles Intl including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Boston to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a return flight from Boston to Dulles Intl. Price data was last updated on 14 February 2025.
To ensure you get the cheapest price possible for a flight from Boston to Washington, D.C. Dulles Intl Airport, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Boston to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Boston to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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.
What is the cheapest time of day to fly from BOS to IAD?
Find hourly flight availability from Boston to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.
When flying from Boston to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 58% versus a flight in the afternoon.
Weekly flight availability from Boston to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Boston to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.
The most flights from BOS to IAD are scheduled on a Friday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).
Rainfall in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.
Temperature in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average temperature totals by month.
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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 21 February 2025.
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Boston to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to Dulles Intl
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Can Cheapflights notify me if prices for flights from Boston to Dulles Intl become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Boston today and book when prices fit your budget.