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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $78

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 5/15. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Boston.
Frontier Logo
5:26 pm - 12:44 amIAD-BOS
7h 18m1 stop
Frontier Logo
6:00 am - 4:36 pmBOS-IAD
10h 36m1 stop
$160Frontier
Find Deal
vie., may. 9 - lun., may. 12
Frontier Logo
5:26 pm - 12:44 amIAD-BOS
7h 18m1 stop
Frontier Logo
10:14 am - 8:24 amBOS-IAD
22h 10m1 stop
$161Frontier
Find Deal
vie., may. 9 - dom., may. 11
United Airlines Logo
10:18 pm - 11:59 pmIAD-BOS
1h 41mnonstop
United Airlines Logo
5:30 am - 7:04 amBOS-IAD
1h 34mnonstop
$164United Airlines
Find Deal
vie., may. 23 - dom., may. 25
United Airlines Logo
10:18 pm - 11:59 pmIAD-BOS
1h 41mnonstop
United Airlines Logo
5:30 am - 7:04 amBOS-IAD
1h 34mnonstop
$167United Airlines
Find Deal
vie., jun. 6 - dom., jun. 8
 Logo
3:13 pm - 9:17 amIAD-BOS
18h 04m1 stop
 Logo
11:37 am - 2:32 pmBOS-IAD
26h 55m2 stops
lun., jun. 9 - vie., jun. 13
Delta Logo
6:17 pm - 10:56 pmIAD-BOS
4h 39m1 stop
Delta Logo
6:05 am - 11:40 amBOS-IAD
5h 35m1 stop
$247Delta
Find Deal
sáb., may. 24 - lun., may. 26
American Airlines Logo
5:02 am - 9:20 amIAD-BOS
4h 18m1 stop
American Airlines Logo
2:41 pm - 7:32 pmBOS-IAD
4h 51m1 stop
$253American Airlines
Find Deal
mié., may. 14 - mié., may. 14
 Logo
5:40 pm - 6:52 pmIAD-BOS
25h 12m3 stops
 Logo
11:31 am - 7:32 pmBOS-IAD
8h 01m1 stop
jue., may. 15 - jue., may. 22
Delta Logo
6:00 am - 12:03 pmIAD-BOS
6h 03m1 stop
Delta Logo
6:05 am - 11:59 amBOS-IAD
5h 54m1 stop
$269Delta
Find Deal
mar., jul. 1 - sáb., jul. 5
American Airlines Logo
5:00 am - 9:16 amIAD-BOS
4h 16m1 stop
American Airlines Logo
9:26 am - 4:56 pmBOS-IAD
7h 30m1 stop
$314American Airlines
Find Deal
vie., may. 2 - lun., may. 5

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
May 9
IAD5:26 pmWashington, D.C. Dulles Intl
7h 18m
1 stop
BOS12:44 amBoston Logan Intl
May 12
BOS6:00 amBoston Logan Intl
10h 36m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Frontier
May 9
IAD5:26 pmWashington, D.C. Dulles Intl
7h 18m
1 stop
BOS12:44 amBoston Logan Intl
May 11
BOS10:14 amBoston Logan Intl
22h 10m
1 stop
IAD8:24 amWashington, D.C. Dulles Intl
Frontier
May 12
IAD5:26 pmWashington, D.C. Dulles Intl
7h 18m
1 stop
BOS12:44 amBoston Logan Intl
May 16
BOS6:00 amBoston Logan Intl
10h 36m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl

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
May 23
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
BOS11:59 pmBoston Logan Intl
May 25
BOS5:30 amBoston Logan Intl
1h 34m
IAD7:04 amWashington, D.C. Dulles Intl
United Airlines
Jun 6
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
BOS11:59 pmBoston Logan Intl
Jun 8
BOS5:30 amBoston Logan Intl
1h 34m
IAD7:04 amWashington, D.C. Dulles Intl
United Airlines
May 6
IAD3:36 pmWashington, D.C. Dulles Intl
4h 51m
1 stop
BOS8:27 pmBoston Logan Intl
May 7
BOS9:30 amBoston Logan Intl
1h 41m
IAD11:11 amWashington, D.C. Dulles Intl

See travel insights to Boston from

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 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 $212. 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 $240.

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 $267. 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 $342.

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 $241. 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 $405 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 17 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $280 when searching 17 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 $207 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.

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

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Boston flights are approximately 13% cheaper 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

$78

Fastest flight time

1h 38m

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 $78. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boston found on momondo in the last 72 hours is $160.
The fastest flight from Washington, D.C. Dulles Intl Airport to Boston takes 1h 38m
Direct flights go from Washington, D.C. Dulles Intl Airport to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • 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 39m 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
7.3
2,926 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $74Free CancellationRating
6.3
7,923 reviews
Search Spirit Airlines flights
DeltaPriceFrom $78Free CancellationRating
8.0
7,917 reviews
Search Delta flights
United AirlinesPriceFrom $148Free CancellationRating
7.4
8,665 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boston

    United Airlines operates around 30 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 $288, but momondo users have found United Airlines deals from Washington, D.C. Dulles Intl Airport to Boston from as low as $148 round-trip. United Airlines has been scored 7.4/10 in 8,665 reviews.


Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Nashua
Plymouth
York Beach
Cambridge
Brockton
Laconia
Concord
Everett
Warwick
Middletown
Wells
Narragansett
Kennebunkport
Revere
Gloucester

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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