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New Hampshire

$80+ Cheap flights from Dulles Intl (IAD) to New Hampshire

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MHT
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap flight deals from Dulles Intl to New Hampshire

Cheapest flights from Dulles Intl to New Hampshire
Explore the most affordable flight options available from Dulles Intl to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 8/1310:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Mon 8/177:00 pm
BOS
-
IAD
1 stop3h 59m
United Airlines
Deal found 7/9$177
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/1410:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Sun 8/165:45 am
BOS
-
IAD
Nonstop1h 35m
United Airlines
Deal found 7/8$178
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/286:16 am
IAD
-
BOS
1 stop3h 32m
United Airlines
Sat 9/57:30 am
BOS
-
IAD
1 stop3h 56m
United Airlines
Deal found 7/9$179
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/1310:15 pm
IAD
-
BOS
Nonstop1h 44m
United Airlines
Wed 10/1412:36 pm
BOS
-
IAD
1 stop3h 47m
United Airlines
Deal found 7/8$181
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/85:25 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Sat 8/156:00 pm
BOS
-
IAD
1 stop4h 59m
United Airlines
Deal found 7/9$182
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/510:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Sat 8/85:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 7/8$184
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 8/15:25 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Tue 8/412:35 pm
BOS
-
IAD
Nonstop2h 08m
United Airlines
Deal found 7/8$188
This United Airlines deal was found by Cheapflights users on 7/9. 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 11/135:15 pm
IAD
-
BOS
Nonstop1h 34m
United Airlines
Sat 11/145:45 am
BOS
-
IAD
Nonstop1h 34m
United Airlines
Deal found 7/9$189
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/1412:35 pm
IAD
-
BOS
1 stop5h 17m
United Airlines
Mon 8/177:00 pm
BOS
-
IAD
1 stop3h 59m
United Airlines
Deal found 7/7$191
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sun 8/25:03 am
IAD
-
ORH
2 stops11h 48m
American Airlines
Wed 8/55:23 pm
ORH
-
IAD
2 stops19h 25m
American Airlines
Deal found 7/10$236
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 9/17:57 am
IAD
-
ORH
2 stops9h 01m
American Airlines
Thu 9/105:16 pm
ORH
-
IAD
2 stops25h 43m
American Airlines
Deal found 7/9$239
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/55:15 pm
IAD
-
MHT
Nonstop1h 45m
United Airlines
Sun 9/69:25 am
MHT
-
IAD
Nonstop1h 52m
United Airlines
Deal found 7/8$249

Find flight deals from Dulles Intl to New Hampshire

Keep the following information in mind while searching for Dulles Intl to New Hampshire flight deals. Data was last updated July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(United Airlines)

One-way from

$80
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$285

Good round-trip deal

$281 or less

Good one-way deal

$212 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to New Hampshire
Search Deals
One-way flight from Washington, D.C. Dulles Intl to New Hampshire
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to New Hampshire.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to New Hampshire.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to New Hampshire 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 July 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 8/16

1:05 pm-2:50 pm

Nonstop1h 45m

Boston Logan Intl

Sat 8/22

5:45 am-7:20 am

Nonstop1h 35m

$178

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 8/8

8:15 am-1:32 pm

1 stop5h 17m

Boston Logan Intl

Mon 8/10

5:45 am-7:23 am

Nonstop1h 38m

$188

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 8/28

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Sun 8/30

7:30 am-11:26 am

1 stop3h 56m

$188

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 9/28

10:25 pm-12:09 am

Nonstop1h 44m

Boston Logan Intl

Fri 10/16

12:36 pm-4:23 pm

1 stop3h 47m

$188

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 10/20

1:10 pm-2:55 pm

Nonstop1h 45m

Boston Logan Intl

Tue 10/27

2:35 pm-4:22 pm

Nonstop1h 47m

$209
Quickest round-trip

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 10/14

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Mon 10/19

5:45 am-7:20 am

Nonstop1h 35m

$228

Washington, D.C.Worcester

IAD - ORH

IADORH

Washington, D.C. Dulles Intl

Sun 8/2

5:03 am-4:51 pm

2 stops11h 48m

Worcester

Wed 8/5

5:23 pm-12:48 pm

2 stops19h 25m

$236

Washington, D.C.Worcester

IAD - ORH

IADORH

Washington, D.C. Dulles Intl

Fri 9/4

1:23 pm-4:58 pm

2 stops27h 35m

Worcester

Wed 9/9

5:16 pm-6:57 pm

2 stops25h 41m

$239

Washington, D.C.Worcester

IAD - ORH

IADORH

Washington, D.C. Dulles Intl

Thu 9/3

1:23 pm-4:58 pm

2 stops27h 35m

Worcester

Tue 9/8

5:23 pm-6:59 pm

2 stops25h 36m

$239

Washington, D.C.Worcester

IAD - ORH

IADORH

Washington, D.C. Dulles Intl

Tue 9/1

7:57 am-4:58 pm

2 stops9h 01m

Worcester

Thu 9/10

5:16 pm-6:59 pm

2 stops25h 43m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to New Hampshire

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to New Hampshire (average of $189). Flying from Washington, D.C. Dulles Intl Airport to New Hampshire in October is currently the most expensive (average of $255). 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 IAD to NH?

Find hourly flight availability from Dulles Intl to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2026.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to New Hampshire in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

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

Explore weekly flight availability from Dulles Intl to New Hampshire. 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 July 11, 2026.

The most flights from IAD to USNH are scheduled on a Thursday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to New Hampshire?

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to New Hampshire?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to New Hampshire, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to New Hampshire?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to New Hampshire. Price data was last updated on July 11, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to New Hampshire flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated July 11, 2026.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. Dulles Intl Airport to New Hampshire by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,976 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,976 reviews
United Airlines
7.4
Good
9,976 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to New Hampshire. 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 Washington, D.C. Dulles Intl Airport to New Hampshire?

    Airlines like United Airlines, American Airlines, and Delta fly from Washington, D.C. Dulles Intl Airport to New Hampshire in about 1h 45m. The time it takes to get you to your destination can typically vary by up to 10h 03m. The distance between Washington, D.C. Dulles Intl Airport and New Hampshire is about 411 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to New Hampshire is Washington, D.C. Dulles Intl - Boston Logan Intl. You may also consider Washington, D.C. Dulles Intl - Portland or Washington, D.C. Dulles Intl - Manchester.

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

    Looking at all options, your cheapest flight can be booked for $143. While the most popular route (Washington, D.C. Dulles Intl - Boston Logan Intl) can be booked for $139 on average, our data indicates $311 when flying from Washington, D.C. Dulles Intl Airport to New Hampshire.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to New Hampshire 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 Washington, D.C. Dulles Intl Airport to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to New Hampshire (average of $189). Flying from Washington, D.C. Dulles Intl Airport to New Hampshire in October is currently the most expensive (average of $255). 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

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Alternative routes for Dulles Intl to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Orlando flights
Baltimore to Seattle flights
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Reagan-National to Boston flights
Reagan-National to San Francisco flights
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Baltimore to Atlanta flights
Reagan-National to Fort Lauderdale flights
Baltimore to Denver flights
Dulles Intl to Midway flights
Dulles Intl to San Francisco flights
Dulles Intl to Tampa flights
Dulles Intl to Hobby flights
Baltimore to George Bush Intcntl flights
Dulles Intl to New Orleans flights
Baltimore to Tampa flights
Baltimore to San Francisco flights
Dulles Intl to San Diego flights
Baltimore to Detroit flights
Reagan-National to Denver flights
Dulles Intl to Sky Harbor Intl flights
Baltimore to Midway flights
Reagan-National to Nashville flights
Dulles Intl to George Bush Intcntl flights

Top airline flying from Dulles Intl to New Hampshire

Discover the top airline that operate flights from Dulles Intl to New Hampshire. 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$341FlexibilityNo cancel feeOn-time69%

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