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Cheap flights from Washington Dulles Intl to Boston (IAD - BOS)

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The best prices from Washington Dulles Intl to Boston are usually found in August or July, booked 27 days in advance, depart on a Saturday or Thursday and return on a Saturday

How to find the cheapest flight from
Washington Dulles Intl (IAD) to Boston (BOS)

IAD - BOS
Price
$148 - $252
BOS
Temperature
39.2 - 84.2 °F
BOS
Rainfall
2.8 - 3.9 inches

Popular in

November

High demand for flights, 17% potential price rise

Cheapest in

August

Best time to find cheap flights, 29% potential price drop

Round-trip from

$148

From Washington Dulles Intl to Boston

One-way from

$67

One-way flight from Washington Dulles Intl to Boston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington Dulles Intl to Boston?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Washington Dulles Intl to Boston?

Travelers have found it’s best to book a flight 20 days in advance to save up to 25% 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 20 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 Washington Dulles Intl to Boston 1-2 weeks in advance for as low as $185, or $243 for flights within the next 24 hours.

What is the cheapest month to fly from Washington Dulles Intl to Boston?

August can be a great time to fly to Boston from Washington Dulles Intl with a flight ticket averaging about $206. Cheapflights users have found deals in the month of August for as cheap as $50. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Washington Dulles Intl to Boston (IAD - BOS)?

It’s optimal to fly from Washington Dulles Intl to Boston at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Washington Dulles Intl to Boston in January, February 2021

The best prices found for IAD to BOS flights for January, February
18 Feb - 23 Feb
$119pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
23 Feb - 28 Feb
$121pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
11 Feb - 16 Feb
$122pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to Boston 2021 flight deals

Cheap flights to Boston from Washington Dulles Intl found for this year
18 Feb - 23 Feb
$119pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
23 Feb - 28 Feb
$121pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
11 Feb - 16 Feb
$122pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to Boston from Washington Dulles Intl

Save time with Washington Dulles Intl to Boston direct flight deals
25 Feb - 25 Feb
$192pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
10 Feb - 14 Feb
$197pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
14 May - 28 May
$208pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to Boston

Late deals on round-trip flights to Boston from Washington Dulles Intl, departing today and this week
27 Jan - 9 Feb
$229pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
27 Jan - 9 Feb
$238pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
27 Jan - 9 Feb
$251pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

One-way flights to Boston from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to Boston
5:25 am - 5:53 am
Frontier
1 Stop
23h 28m
IAD - BOS
Frontier
$67
Kiwi.com
9:12 am - 5:43 am
Multiple Airlines
2 Stops
20h 31m
IAD - BOS
Multiple Airlines
$156
Gotogate
12:35 pm - 2:03 pm
United Airlines
Nonstop
1h 28m
IAD - BOS
United Airlines
$159
United

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to Boston flights.

Flight FAQs

From Washington Dulles Intl to Boston

Are flight prices decreasing from Washington Dulles Intl to Boston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Boston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Dulles Intl to Boston Logan Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Washington Dulles Intl to Boston Logan Intl. Policies will vary by airline.

Which airlines flying from Washington Dulles Intl to Boston Logan Intl have flexible cancellations due to COVID-19?

United Airlines, JetBlue, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Washington Dulles Intl to Boston for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Boston for under $200. The cheapest flight booked recently is on Frontier for just $119, but on average you can expect to pay $138.

Are there nonstop flights from Washington Dulles Intl to Boston for under $200 on Cheapflights?

Cheapflights has at least 16 direct flights from Washington Dulles Intl to Boston under $200. A good price for a nonstop flight from Washington Dulles Intl to Boston is less than $298.

Are there last-minute flights available from Washington Dulles Intl to Boston for under $300?

There are currently 20+ open flights from Washington Dulles Intl to Boston within the next 7 days for less than $300.

Does it rain more in Washington Dulles Intl or Boston?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Washington Dulles Intl is typically similar to Boston. We can gather that this will continue over the next 15 days.

Is Washington Dulles Intl weather warmer or cooler than Boston?

With an average temperature of 88 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Boston are colder than in Washington Dulles Intl.

How long is the flight from Washington Dulles Intl to Boston?

Airlines like United Airlines, Delta, and Frontier fly from Washington Dulles Intl to Boston in about 1h 28m. The time it takes to get you to your destination can typically vary by up to 6h 09m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington Dulles Intl to Boston round-trip?

Cheapflights users have booked flights from Washington Dulles Intl to Boston round-trip from $119. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Washington Dulles Intl to Boston for 42% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington Dulles Intl to Boston one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Washington Dulles Intl to Boston for a low price.

Alternative routes for Washington Dulles Intl to Boston

Destination information for Boston

Things to know before you go. Useful info for your trip from Washington Dulles Intl to Boston
Flight duration
1h 35m
Average temperature for January in Boston
39.2 °F
Avg rainfall for January in Boston
3.3 ″

Airports servicing Washington

Airports servicing Boston

Top 5 airlines flying from Washington Dulles Intl to Boston

The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to Boston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$70 $154 No cancel fee 65%
Delta
$74 $222 No cancel fee N/A
American Airlines
$77 $230 No cancel fee 71%
JetBlue
$80 $246 No cancel fee 62%
United Airlines
$146 $286 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to Boston

Afternoon Noon to 6 PM 81% of IAD to BOS departures
Morning 6 AM to noon 18% of IAD to BOS departures
Early morning Midnight to 6 AM 1% of IAD to BOS departures
Evening 6 PM to midnight 0% of IAD to BOS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to Boston
Sunday
9 daily flights
Monday
11 daily flights
Tuesday
3 daily flights
Wednesday
0 flights
Thursday
6 daily flights
Friday
9 daily flights
Saturday
8 daily flights
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