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Dulles Intl

$74+ Cheap flights from New Hampshire to Dulles Intl (IAD)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IAD
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from New Hampshire to Dulles Intl

Cheapest flights from New Hampshire to Dulles Intl
Explore the most affordable flight options available from New Hampshire to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:17 pmBOS - IAD
1 stop8h 07mFrontier
Sun 12/75:26 pmIAD - BOS
1 stop16h 56mFrontier
Deal found 11/1$141
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Wed 11/2610:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 11/1$142
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amBOS - IAD
1 stop17h 59mFrontier
Wed 12/39:00 amIAD - BOS
1 stop25h 22mFrontier
Deal found 10/30$144
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:07 pmBOS - IAD
Nonstop1h 47mUnited Airlines
Sun 12/76:00 amIAD - BOS
1 stop4h 58mUnited Airlines
Deal found 10/31$147
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:28 amBOS - IAD
1 stop6h 50mMultiple Airlines
Mon 12/86:58 pmIAD - BOS
2 stops28h 58mMultiple Airlines
Deal found 11/1$148
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:28 amBOS - IAD
1 stop11h 42mFrontier
Sun 12/145:45 amIAD - BOS
1 stop28h 37mFrontier
Deal found 10/30$149
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:28 amBOS - IAD
1 stop11h 42mFrontier
Sat 12/139:20 pmIAD - BOS
1 stop12h 07mFrontier
Deal found 11/1$150
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Sun 11/2310:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 10/31$152
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Wed 11/1910:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 10/31$154
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:19 amBOS - IAD
1 stop11h 46mMultiple Airlines
Sat 12/65:45 amIAD - BOS
2 stops18h 11mMultiple Airlines
Deal found 10/31$156
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:38 pmBOS - IAD
Nonstop1h 47mUnited Airlines
Mon 11/179:00 amIAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 10/31$157
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:30 pmORH - IAD
2 stops7h 38mAmerican Airlines
Sat 12/66:25 amIAD - ORH
2 stops8h 47mAmerican Airlines
Deal found 11/2$197

Cheap flight deals from New Hampshire to Dulles Intl

Keep the following information in mind while searching for New Hampshire to Dulles Intl flight deals. Data was last updated November 2, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$141
(Kiwi.com)

One-way from

$74
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$218

Good round-trip deal

$279 or less

Good one-way deal

$199 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
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From New Hampshire to Washington, D.C. Dulles Intl
Search Deals
One-way flight from New Hampshire to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from New Hampshire to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from New Hampshire to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire 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 2,558,603 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from New Hampshire to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

New Hampshire

Fly to

Dulles Intl

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 1/15

10:30 am-4:25 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Sun 1/18

9:00 am-10:36 am

Nonstop1h 36m

$142

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 11/15

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 11/18

12:51 pm-2:29 pm

Nonstop1h 38m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 12/3

7:07 pm-8:54 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Mon 12/8

9:00 am-10:38 am

Nonstop1h 38m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 11/24

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 11/26

6:00 am-10:43 am

1 stop4h 43m

$152

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 1/2

9:30 am-11:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 1/10

5:20 pm-6:57 pm

Nonstop1h 37m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 11/19

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 11/23

5:33 pm-9:34 pm

1 stop4h 01m

$162

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 1/9

7:20 pm-11:18 pm

1 stop3h 58m

Washington, D.C. Dulles Intl

Sun 1/11

6:00 am-11:12 am

1 stop5h 12m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 1/3

5:20 am-7:06 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 1/4

10:17 pm-11:54 pm

Nonstop1h 37m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 12/13

5:30 am-7:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 12/14

6:00 am-10:58 am

1 stop4h 58m

$174

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 12/9

12:02 pm-4:30 pm

1 stop4h 28m

Washington, D.C. Dulles Intl

Thu 12/11

8:45 am-12:33 pm

1 stop3h 48m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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Best time to book a flight from New Hampshire to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $189). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $249). 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 NH to IAD?

Find hourly flight availability from New Hampshire 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 November 2, 2025.

It’s optimal to fly from New Hampshire to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from New Hampshire to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from New Hampshire 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 November 2, 2025.

The most flights from USNH to IAD are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Hampshire to Washington, D.C. Dulles Intl Airport?

    United Airlines, American Airlines, and Delta can get you from New Hampshire to Washington, D.C. Dulles Intl Airport in just under 5h 26m. Your travel time can differ by up to 2h 12m. The distance between New Hampshire and Washington, D.C. Dulles Intl Airport is about 492 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from New Hampshire to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $74 on United Airlines. Other airlines that offer cheap prices include American Airlines from $114 and Delta from $141 one-way.

  • What are the most popular routes from New Hampshire to Washington, D.C. Dulles Intl Airport?

    While some choose either Manchester - Washington, D.C. Dulles Intl or Portland - Washington, D.C. Dulles Intl, Boston Logan Intl - Washington, D.C. Dulles Intl is the most popular route from New Hampshire to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from New Hampshire to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $774 for a flight from New Hampshire to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $125 while the most popular route, (Boston Logan Intl - Washington, D.C. Dulles Intl) is currently priced at $112.

  • Can I find deals for flights from New Hampshire to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Dulles Intl.

  • Can I find deals for business class flights from New Hampshire to Dulles Intl?

    Yes. Cheapflights offers flight deals from New Hampshire to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $189). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $249). 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for New Hampshire to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Reagan-National flights
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Hobby to Baltimore flights
Atlanta to Baltimore flights
Denver to Baltimore flights
Miami to Reagan-National flights
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Orlando to Baltimore flights
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Midway to Baltimore flights
Seattle to Baltimore flights
Austin to Dulles Intl flights
Denver to Reagan-National flights
Tampa to Reagan-National flights
Orlando to Dulles Intl flights
Austin to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Midway to Dulles Intl flights
Austin to Baltimore flights
Minneapolis to Baltimore flights
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LaGuardia to Dulles Intl flights
Newark to Dulles Intl flights
Miami to Dulles Intl flights

Top airline flying from New Hampshire to Dulles Intl

Discover the top airline that operate flights from New Hampshire to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$281FlexibilityNo cancel feeOn-time69%

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