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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Boston departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:47 am - 9:00 amIAD-BOS
24h 13m1 stop
Frontier Logo
11:43 am - 11:55 pmBOS-IAD
12h 12m1 stop
$134Frontier
Find Deal
Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
9:00 am - 10:38 amIAD-BOS
1h 38mnonstop
United Airlines Logo
9:30 am - 11:13 amBOS-IAD
1h 43mnonstop
$137United Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 12
United Airlines Logo
8:45 am - 12:28 pmIAD-BOS
3h 43m1 stop
United Airlines Logo
2:21 pm - 4:08 pmBOS-IAD
1h 47mnonstop
$142United Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 18
Multiple Airlines Logo
5:58 am - 9:00 amIAD-BOS
27h 02m1 stop
Multiple Airlines Logo
6:16 am - 8:20 pmBOS-IAD
14h 04m2 stops
$143Multiple Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11
Multiple Airlines Logo
6:00 am - 10:48 amIAD-BOS
28h 48m1 stop
Multiple Airlines Logo
6:16 am - 8:20 pmBOS-IAD
14h 04m2 stops
$144Multiple Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
10:07 pm - 11:42 pmIAD-BOS
1h 35mnonstop
United Airlines Logo
5:30 am - 7:13 amBOS-IAD
1h 43mnonstop
$147United Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
Frontier Logo
8:47 am - 9:00 amIAD-BOS
24h 13m1 stop
Frontier Logo
11:43 am - 11:55 pmBOS-IAD
12h 12m1 stop
$148Frontier
Find Deal
Wed, Oct 29 - Sat, Nov 1
Multiple Airlines Logo
5:58 am - 9:00 amIAD-BOS
27h 02m1 stop
Multiple Airlines Logo
6:16 am - 8:20 pmBOS-IAD
14h 04m2 stops
$149Multiple Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11
Multiple Airlines Logo
8:47 am - 9:00 amIAD-BOS
24h 13m1 stop
Multiple Airlines Logo
12:00 pm - 8:20 pmBOS-IAD
32h 20m2 stops
$151Multiple Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
United Airlines Logo
10:17 pm - 11:54 pmIAD-BOS
1h 37mnonstop
United Airlines Logo
7:07 pm - 8:53 pmBOS-IAD
1h 46mnonstop
$152United Airlines
Find Deal
Fri, Dec 19 - Wed, Jan 7

Frontier flights from Washington, D.C. Dulles Intl Airport to Boston

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Boston flight tickets
Frontier
Oct 29
IAD8:47 amWashington, D.C. Dulles Intl
24h 13m
1 stop
BOS9:00 amBoston Logan Intl
Nov 1
BOS11:43 amBoston Logan Intl
12h 12m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$134
Find similar
Frontier
Oct 29
IAD8:47 amWashington, D.C. Dulles Intl
24h 13m
1 stop
BOS9:00 amBoston Logan Intl
Nov 1
BOS11:43 amBoston Logan Intl
12h 12m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$148
Find similar
Frontier
Oct 29
IAD8:47 amWashington, D.C. Dulles Intl
24h 13m
1 stop
BOS9:00 amBoston Logan Intl
Nov 3
BOS8:40 amBoston Logan Intl
35h 40m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$149
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Boston

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Boston flight tickets
United Airlines
Nov 11
IAD9:00 amWashington, D.C. Dulles Intl
1h 38m
BOS10:38 amBoston Logan Intl
Nov 12
BOS9:30 amBoston Logan Intl
1h 43m
IAD11:13 amWashington, D.C. Dulles Intl
$137
Find similar
United Airlines
Nov 18
IAD8:45 amWashington, D.C. Dulles Intl
3h 43m
1 stop
BOS12:28 pmBoston Logan Intl
Nov 18
BOS2:21 pmBoston Logan Intl
1h 47m
IAD4:08 pmWashington, D.C. Dulles Intl
$142
Find similar
United Airlines
Oct 31
IAD10:07 pmWashington, D.C. Dulles Intl
1h 35m
BOS11:42 pmBoston Logan Intl
Nov 3
BOS5:30 amBoston Logan Intl
1h 43m
IAD7:13 amWashington, D.C. Dulles Intl
$147
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Boston 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10/29

8:47 am-9:00 am

1 stop24h 13m

Boston Logan Intl

Sat 11/1

11:43 am-11:55 pm

1 stop12h 12m

$134

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 11/11

9:00 am-10:38 am

Nonstop1h 38m

Boston Logan Intl

Wed 11/12

9:30 am-11:13 am

Nonstop1h 43m

$137

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 11/18

8:45 am-12:28 pm

1 stop3h 43m

Boston Logan Intl

Tue 11/18

2:21 pm-4:08 pm

Nonstop1h 47m

$142

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 11/8

5:58 am-9:00 am

1 stop27h 02m

Boston Logan Intl

Tue 11/11

6:16 am-8:20 pm

2 stops14h 04m

$143

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-10:48 am

1 stop28h 48m

Boston Logan Intl

Tue 11/4

6:16 am-8:20 pm

2 stops14h 04m

$144

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 10/31

10:07 pm-11:42 pm

Nonstop1h 35m

Boston Logan Intl

Mon 11/3

5:30 am-7:13 am

Nonstop1h 43m

$147

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10/29

8:47 am-9:00 am

1 stop24h 13m

Boston Logan Intl

Sat 11/1

11:43 am-11:55 pm

1 stop12h 12m

$148

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 11/8

5:58 am-9:00 am

1 stop27h 02m

Boston Logan Intl

Tue 11/11

6:16 am-8:20 pm

2 stops14h 04m

$149

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10/29

8:47 am-9:00 am

1 stop24h 13m

Boston Logan Intl

Tue 11/4

12:00 pm-8:20 pm

2 stops32h 20m

$151

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 12/19

10:17 pm-11:54 pm

Nonstop1h 37m

Boston Logan Intl

Wed 1/7

7:07 pm-8:53 pm

Nonstop1h 46m

$152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Boston?

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. If you aren’t able to travel during the month of January, then book flights to Boston from Washington, D.C. Dulles Intl Airport during March instead. Flights to Boston in March, while not as cheap as those in January, still average around $242.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Boston is on a Thursday when prices can be found for as low as $278. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $376.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Boston in the evening for as low as $249. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $438 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Boston Logan Intl flight route?

Fly from Washington, D.C. Dulles Intl to Boston Logan Intl for the best Washington, D.C. Dulles Intl - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $283 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Washington, D.C. Dulles Intl Airport for as low as $204 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Boston flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Boston.

How have Washington, D.C. Dulles Intl Airport to Boston flight prices changed over time?

As of October 2025, prices for Washington, D.C. Dulles Intl Airport to Boston flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Boston (IAD to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Boston

Best Price Found

$145

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Washington, D.C. Dulles Intl Airport in the past 72 hours is $145. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boston found on momondo in the last 72 hours is $223.
The fastest flight from Washington, D.C. Dulles Intl Airport to Boston takes 1h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Boston Logan Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Boston Logan Intl is about 409.1 mi. 1h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Boston?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Boston?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Boston

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Boston with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $63Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $69Free CancellationRating
6.3
8,097 reviews
Search Spirit Airlines flights
DeltaPriceFrom $78Free CancellationRating
7.9
7,984 reviews
Search Delta flights
FrontierPriceFrom $116Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boston

    United Airlines operates around 21 flights from Washington, D.C. Dulles Intl Airport to Boston every week. The average price of these flights found in the last 72 hours has been $292, but momondo users have found United Airlines deals from Washington, D.C. Dulles Intl Airport to Boston from as low as $147 round-trip. United Airlines has been scored 7.4/10 in 8,982 reviews.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Chatham
Sturbridge

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Boston?

It is quick and easy to find Washington, D.C. to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from Washington, D.C. to Boston with flexible booking policies on momondo?

Flights from Washington, D.C. to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Boston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Boston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

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