$74 Find Cheap Flights from Washington Dulles Airport to New Hampshire

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to New Hampshire departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to New Hampshire

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to New Hampshire, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to New Hampshire, as well as popular online travel agencies
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Cheap Flights from Dulles Intl to New Hampshire

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Bostonnonstop$132
Portland
Portland1 stop$224
Boston
Bostonnonstop$132
Portland
Portland1 stop$224

Book Cheap Dulles Intl to New Hampshire Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to New Hampshire that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to New Hampshire

Mon, Nov 24 - Tue, Dec 2
United Airlines Logo
10:07 pm - 11:42 pmIAD-BOS
1h 35mnonstop
United Airlines Logo
5:30 am - 7:14 amBOS-IAD
1h 44mnonstop
$132United Airlines
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Thu, Nov 27 - Thu, Dec 4
Frontier Logo
6:41 pm - 12:44 amIAD-BOS
6h 03m1 stop
Frontier Logo
11:28 am - 11:10 pmBOS-IAD
11h 42m1 stop
$134Frontier
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Thu, Dec 4 - Sun, Dec 7
Frontier Logo
5:45 am - 10:22 amIAD-BOS
28h 37m1 stop
Frontier Logo
12:57 pm - 8:24 pmBOS-IAD
7h 27m1 stop
$136Frontier
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Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
10:12 pm - 11:49 pmIAD-BOS
1h 37mnonstop
United Airlines Logo
5:45 am - 7:31 amBOS-IAD
1h 46mnonstop
$137United Airlines
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Thu, Dec 18 - Sun, Jan 18
United Airlines Logo
10:17 pm - 11:54 pmIAD-BOS
1h 37mnonstop
United Airlines Logo
5:45 am - 7:31 amBOS-IAD
1h 46mnonstop
$140United Airlines
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Fri, Dec 12 - Mon, Jan 12
United Airlines Logo
10:06 pm - 11:41 pmIAD-BOS
1h 35mnonstop
United Airlines Logo
2:20 pm - 4:06 pmBOS-IAD
1h 46mnonstop
$142United Airlines
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Sat, Dec 13 - Wed, Dec 17
American Airlines Logo
2:06 pm - 3:09 pmIAD-ORH
25h 03m2 stops
American Airlines Logo
3:30 pm - 1:35 pmORH-IAD
22h 05m2 stops
$187American Airlines
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Mon, Nov 17 - Wed, Nov 19
American Airlines Logo
7:59 am - 3:02 pmIAD-ORH
31h 03m2 stops
American Airlines Logo
3:27 pm - 1:12 pmORH-IAD
21h 45m2 stops
$197American Airlines
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Wed, Nov 12 - Wed, Nov 19
Delta Logo
6:00 am - 4:00 pmIAD-PWM
10h 00m2 stops
Delta Logo
6:00 am - 4:23 pmPWM-IAD
10h 23m2 stops
$234Delta
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Wed, Nov 12 - Sat, Nov 15
Delta Logo
11:05 am - 4:07 pmIAD-PWM
5h 02m1 stop
Delta Logo
2:30 pm - 7:08 pmPWM-IAD
4h 38m1 stop
$239Delta
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Booking Insights

KAYAK's insights & trends for Dulles Intl to New Hampshire flights

Get data-powered insights and trends into flights from Dulles Intl to New Hampshire to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. Dulles Intl Airport to New Hampshire flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to New Hampshire from Washington, D.C. Dulles Intl Airport found in the last 72 hours was to Manchester, at $192 round-trip. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Manchester (MHT), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $192.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to New Hampshire, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to New Hampshire is January, when tickets cost $217 (return) on average. On the other hand, the most expensive months are May and August, when the average cost of round-trip tickets is $322 and $320 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to New Hampshire?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to New Hampshire clicked on KAYAK for each day over the last 12 months.

When flying from Washington Dulles Airport to New Hampshire, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Washington Dulles Airport, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to New Hampshire, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to New Hampshire, you should book around 3 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

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Good to know

Low seasonFebruary
Cheapest flight$74
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly with an average 13% increase in price.
Flight from Washington Dulles Airport to Boston

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to New Hampshire?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to New Hampshire.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to New Hampshire?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to New Hampshire?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to New Hampshire with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to New Hampshire?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to New Hampshire?

    The cheapest time of day to fly to New Hampshire is generally at night, when round-trip flights cost $241 on average. Morning departures are around 13% cheaper than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $352.

Reviews of the top airlines flying from Dulles Intl to New Hampshire

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to New Hampshire. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to New Hampshire? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8999 reviews
7.7Boarding
7.1Entertainment
8.1Crew
7.3Comfort
6.6Food
Airline reviews

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

8.0 ExcellentMonsieur, Oct 2025IAD - EWR
Read more United Airlines reviews

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

We were given vouchers we couldn’t use with a 5.5 hour delay

I fly UAL 7-8 times per year. This flight was not up to snuff because it boarded very late "due to unexpected delays in restocking the plane" and yet Flight Aware showed the plane had landed some 10 hours earlier--so I think they could have planned accordingly. The FA's were nice but harried. The video system had to be rebooted 3-4 times. The food service was rather abrupt; they forgot my row and when I asked for my meal, they brought it with some impatience. Overall, the flight was fine, but the little details made it feel somewhat mundane and hurried.

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

We are too tired and frustrated to comment politely at this point

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

The flight was flawless and we even arrived between 20 and 25 minutes early!

The only thing to like was that we eventually got to our destination

Everything you need to know for your flight from Dulles Intl to New Hampshire

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

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