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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $81

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 11/27. 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

United Airlines Logo
8:50 am - 10:31 amIAD-BOS
1h 41mnonstop
United Airlines Logo
7:08 pm - 8:52 pmBOS-IAD
1h 44mnonstop
$149United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
10:19 pm - 11:59 pmIAD-BOS
1h 40mnonstop
United Airlines Logo
5:30 am - 7:11 amBOS-IAD
1h 41mnonstop
$155United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
United Airlines Logo
6:00 am - 10:43 amIAD-BOS
4h 43m1 stop
United Airlines Logo
6:25 pm - 10:58 pmBOS-IAD
4h 33m1 stop
$157United Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
United Airlines Logo
10:19 pm - 11:59 pmIAD-BOS
1h 40mnonstop
United Airlines Logo
10:34 am - 4:05 pmBOS-IAD
5h 31m1 stop
$158United Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
United Airlines Logo
5:16 pm - 6:56 pmIAD-BOS
1h 40mnonstop
United Airlines Logo
5:30 am - 7:13 amBOS-IAD
1h 43mnonstop
$159United Airlines
Find Deal
Sat, Oct 25 - Sun, Nov 9
Frontier Logo
9:38 pm - 8:33 amIAD-BOS
10h 55m1 stop
Frontier Logo
9:18 am - 9:38 pmBOS-IAD
12h 20m1 stop
$160Frontier
Find Deal
Sat, Oct 25 - Mon, Oct 27
United Airlines Logo
10:07 pm - 11:42 pmIAD-BOS
1h 35mnonstop
United Airlines Logo
5:30 am - 7:13 amBOS-IAD
1h 43mnonstop
$161United Airlines
Find Deal
Sat, Nov 1 - Thu, Nov 6
Frontier Logo
1:21 pm - 12:44 amIAD-BOS
11h 23m1 stop
Frontier Logo
6:00 am - 12:19 amBOS-IAD
18h 19m1 stop
$162Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 15
United Airlines Logo
6:15 am - 11:08 amIAD-BOS
4h 53m1 stop
United Airlines Logo
5:30 am - 7:11 amBOS-IAD
1h 41mnonstop
$163United Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 24
United Airlines Logo
10:19 pm - 11:59 pmIAD-BOS
1h 40mnonstop
United Airlines Logo
6:00 am - 11:31 amBOS-IAD
5h 31m1 stop
$164United Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 1

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
Oct 15
IAD8:50 amWashington, D.C. Dulles Intl
1h 41m
BOS10:31 amBoston Logan Intl
Oct 18
BOS7:08 pmBoston Logan Intl
1h 44m
IAD8:52 pmWashington, D.C. Dulles Intl
$149
Find similar
United Airlines
Sep 29
IAD10:19 pmWashington, D.C. Dulles Intl
1h 40m
BOS11:59 pmBoston Logan Intl
Oct 3
BOS5:30 amBoston Logan Intl
1h 41m
IAD7:11 amWashington, D.C. Dulles Intl
$155
Find similar
United Airlines
Oct 31
IAD6:00 amWashington, D.C. Dulles Intl
4h 43m
1 stop
BOS10:43 amBoston Logan Intl
Nov 3
BOS6:25 pmBoston Logan Intl
4h 33m
1 stop
IAD10:58 pmWashington, D.C. Dulles Intl
$157
Find similar

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 25
IAD9:38 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
BOS8:33 amBoston Logan Intl
Oct 27
BOS9:18 amBoston Logan Intl
12h 20m
1 stop
IAD9:38 pmWashington, D.C. Dulles Intl
$160
Find similar
Frontier
Dec 4
IAD1:21 pmWashington, D.C. Dulles Intl
11h 23m
1 stop
BOS12:44 amBoston Logan Intl
Dec 15
BOS6:00 amBoston Logan Intl
18h 19m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
$162
Find similar
Frontier
Dec 3
IAD8:00 amWashington, D.C. Dulles Intl
16h 01m
1 stop
BOS12:01 amBoston Logan Intl
Dec 14
BOS6:00 amBoston Logan Intl
18h 19m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
$166
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 September 15, 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 10/15

8:50 am-10:31 am

Nonstop1h 41m

Boston Logan Intl

Sat 10/18

7:08 pm-8:52 pm

Nonstop1h 44m

$149

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 9/29

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Fri 10/3

5:30 am-7:11 am

Nonstop1h 41m

$155

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-10:43 am

1 stop4h 43m

Boston Logan Intl

Mon 11/3

6:25 pm-10:58 pm

1 stop4h 33m

$157

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 9/30

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Thu 10/2

10:34 am-4:05 pm

1 stop5h 31m

$158

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 10/25

5:16 pm-6:56 pm

Nonstop1h 40m

Boston Logan Intl

Sun 11/9

5:30 am-7:13 am

Nonstop1h 43m

$159

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 10/25

9:38 pm-8:33 am

1 stop10h 55m

Boston Logan Intl

Mon 10/27

9:18 am-9:38 pm

1 stop12h 20m

$160

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 11/1

10:07 pm-11:42 pm

Nonstop1h 35m

Boston Logan Intl

Thu 11/6

5:30 am-7:13 am

Nonstop1h 43m

$161

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 12/4

1:21 pm-12:44 am

1 stop11h 23m

Boston Logan Intl

Mon 12/15

6:00 am-12:19 am

1 stop18h 19m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 10/14

6:15 am-11:08 am

1 stop4h 53m

Boston Logan Intl

Fri 10/24

5:30 am-7:11 am

Nonstop1h 41m

$163

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 9/29

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Wed 10/1

6:00 am-11:31 am

1 stop5h 31m

$164

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 $241.

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 $369.

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 $440 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 $287 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 September 2025, prices for Washington, D.C. Dulles Intl Airport to Boston flights are approximately 49% 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

$109

Fastest flight time

1h 35m

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 $109. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boston found on momondo in the last 72 hours is $215.
The fastest flight from Washington, D.C. Dulles Intl Airport to Boston takes 1h 35m
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
2,912 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
DeltaPriceFrom $78Free CancellationRating
7.9
7,954 reviews
Search Delta flights
FrontierPriceFrom $116Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

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

    United Airlines operates around 26 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 $294, 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 8,929 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
Wells
Chatham

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.

An easier way to manage your Boston trip

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