HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Hampshire

$89+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MHT
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to New Hampshire with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 9, 2026.

This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 6/1010:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Wed 6/175:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/7$170
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/298:35 am
IAD
-
BOS
Nonstop1h 45m
United Airlines
Wed 8/55:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/8$171
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/2310:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Wed 5/275:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/4$172
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/36:33 am
IAD
-
BOS
1 stop4h 43m
United Airlines
Mon 6/85:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/6$174
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/1710:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Tue 6/235:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/6$175
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:47 pm
IAD
-
BOS
1 stop11h 05m
Multiple Airlines
Sat 6/1310:54 am
BOS
-
IAD
1 stop9h 10m
Multiple Airlines
Deal found 5/8$176
This United Airlines deal was found by Cheapflights users on 5/5. 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 6/110:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Mon 6/85:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/5$177
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/2710:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Thu 5/287:30 am
BOS
-
IAD
1 stop3h 58m
United Airlines
Deal found 5/4$178
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/66:33 am
IAD
-
BOS
1 stop3h 20m
United Airlines
Wed 6/105:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Deal found 5/8$179
This Frontier deal was found by Cheapflights users on 5/4. 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.
Tue 6/27:37 pm
IAD
-
BOS
1 stop12h 12m
Frontier
Wed 6/312:01 pm
BOS
-
IAD
1 stop11h 08m
Frontier
Deal found 5/4$180
This Frontier deal was found by Cheapflights users on 5/4. 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 5/288:47 pm
IAD
-
BOS
1 stop11h 02m
Frontier
Mon 6/16:00 am
BOS
-
IAD
1 stop11h 27m
Frontier
Deal found 5/4$181
This United Airlines deal was found by Cheapflights users on 5/5. 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 5/2310:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Tue 5/265:44 pm
BOS
-
IAD
1 stop5h 35m
United Airlines
Deal found 5/5$182

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(United Airlines)

One-way from

$89
(United Airlines)

Popular in

March

Cheapest in

December

Average price

$277

Good round-trip deal

$313 or less

Good one-way deal

$139 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. 4% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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.
Search Deals

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 May 9, 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
Quickest round-trip

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 5/28

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Mon 6/1

5:45 am-7:23 am

Nonstop1h 38m

$189

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Mon 5/25

5:45 am-7:23 am

Nonstop1h 38m

$192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 6/3

6:33 am-11:16 am

1 stop4h 43m

Boston Logan Intl

Sat 6/6

5:45 am-7:23 am

Nonstop1h 38m

$201

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 5/26

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Fri 5/29

7:00 pm-11:19 pm

1 stop4h 19m

$217

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 6/4

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Sat 6/6

5:45 am-7:23 am

Nonstop1h 38m

$220

Washington, D.C.Worcester

IAD - ORH

IADORH

Washington, D.C. Dulles Intl

Tue 6/2

8:22 pm-4:53 pm

2 stops20h 31m

Worcester

Tue 6/9

5:18 pm-12:13 am

2 stops6h 55m

$227

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 7/20

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Thu 7/23

10:58 am-4:32 pm

1 stop5h 34m

$227

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 9/4

6:15 am-9:53 am

1 stop3h 38m

Boston Logan Intl

Sun 9/6

6:00 am-11:26 am

1 stop5h 26m

$237

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 7/15

6:33 am-11:16 am

1 stop4h 43m

Boston Logan Intl

Wed 7/22

2:15 pm-3:57 pm

Nonstop1h 42m

$237

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 7/9

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Thu 7/16

5:45 am-7:23 am

Nonstop1h 38m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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 30 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 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 November 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 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 May 9, 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 27% on the cost of your flight, compared to a flight at noon.

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 May 2, 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. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 9, 2026.

The most flights from IAD to USNH 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).

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

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 May 9, 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
9,692 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,692 reviews
United Airlines
7.4
Good
9,692 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 49m. The time it takes to get you to your destination can typically vary by up to 18h 42m. 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 $131. While the most popular route (Washington, D.C. Dulles Intl - Boston Logan Intl) can be booked for $137 on average, our data indicates $303 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 November 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Seattle flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Dulles Intl to Las Vegas flights
Baltimore to Los Angeles flights
Baltimore to O'Hare Intl flights
Reagan-National to Los Angeles flights
Reagan-National to Miami flights
Baltimore to Hobby flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Orlando flights
Baltimore to Seattle flights
Baltimore to Orlando flights
Baltimore to Miami flights
Baltimore to Atlanta flights
Dulles Intl to Los Angeles flights
Dulles Intl to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Denver flights
Dulles Intl to Miami flights
Reagan-National to Las Vegas flights
Baltimore to Las Vegas flights
Baltimore to Boston flights
Dulles Intl to San Francisco flights
Baltimore to Denver flights
Reagan-National to Orlando flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Boston flights
Reagan-National to San Francisco flights
Reagan-National to Hobby flights
Baltimore to San Francisco flights
Dulles Intl to Atlanta flights
Reagan-National to Boston flights
Dulles Intl to Hobby flights
Dulles Intl to Midway flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Tampa flights
Dulles Intl to New Orleans flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to San Diego flights
Baltimore to Tampa flights
Reagan-National to George Bush Intcntl flights
Dulles Intl to Salt Lake City flights
Reagan-National to Atlanta flights
Reagan-National to Nashville flights
Dulles Intl to Austin flights
Dulles Intl to George Bush Intcntl flights
Baltimore to Midway 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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$333FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights