$89 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 4/10. 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$171
Portland
Portlandnonstop$229
Boston
Bostonnonstop$171
Portland
Portlandnonstop$229

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

Tue, Apr 21 - Sat, May 2
United Airlines Logo
12:59 pm - 2:42 pm
IAD
-
BOS
1h 43mnonstop
United Airlines Logo
7:27 pm - 9:13 pm
BOS
-
IAD
1h 46mnonstop
$171United Airlines
Sat, Apr 4 - Sun, Apr 5
United Airlines Logo
12:59 pm - 2:42 pm
IAD
-
BOS
1h 43mnonstop
United Airlines Logo
5:45 am - 7:25 am
BOS
-
IAD
1h 40mnonstop
$174United Airlines
Mon, Apr 20 - Thu, Apr 23
United Airlines Logo
8:22 am - 10:04 am
IAD
-
BOS
1h 42mnonstop
United Airlines Logo
5:45 am - 7:25 am
BOS
-
IAD
1h 40mnonstop
$177United Airlines
Mon, May 11 - Wed, May 13
Frontier Logo
6:17 pm - 1:24 am
IAD
-
BOS
7h 07m
1 stop
Frontier Logo
6:00 am - 5:27 pm
BOS
-
IAD
11h 27m
1 stop
$180Frontier
Tue, Apr 21 - Sat, May 2
United Airlines Logo
12:59 pm - 2:42 pm
IAD
-
BOS
1h 43mnonstop
United Airlines Logo
7:10 pm - 11:25 pm
BOS
-
IAD
4h 15m
1 stop
$181United Airlines
Fri, May 1 - Mon, May 4
United Airlines Logo
6:00 am - 10:20 am
IAD
-
BOS
4h 20m
1 stop
United Airlines Logo
5:45 am - 7:24 am
BOS
-
IAD
1h 39mnonstop
$184United Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
10:15 pm - 11:59 pm
IAD
-
BOS
1h 44mnonstop
United Airlines Logo
5:45 am - 7:24 am
BOS
-
IAD
1h 39mnonstop
$186United Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
5:07 pm - 12:46 am
IAD
-
PWM
7h 39m
2 stops
Delta Logo
4:43 pm - 11:03 pm
PWM
-
IAD
6h 20m
1 stop
$254Delta
Sat, May 2 - Sun, May 3
American Airlines Logo
6:25 am - 2:14 pm
IAD
-
ORH
7h 49m
2 stops
American Airlines Logo
2:39 pm - 8:49 am
ORH
-
IAD
18h 10m
2 stops
$265American Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
8:11 pm - 2:14 pm
IAD
-
ORH
18h 03m
2 stops
American Airlines Logo
2:39 pm - 2:51 pm
ORH
-
IAD
24h 12m
2 stops
$275American Airlines
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 $189 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 $189.

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

The average price for all round-trip flights from Washington, D.C. Dulles Intl Airport to New Hampshire depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to New Hampshire is generally at night, when round-trip flights cost $250 on average. Morning departures are around 11% 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 $502.

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 $214 (return) on average. On the other hand, the most expensive months are May and August, when the average cost of round-trip tickets is $337 and $327 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 Sundays.

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 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$89
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 2% lower on average.
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.

Reviews of the top airline 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 9428 reviews
8.1Crew
7.3Comfort
6.6Food
7.7Boarding
7.1Entertainment
Airline reviews

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

4.0 OkayOlga, Mar 2026
IAD - TYS
Read more United Airlines reviews

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Sat next to a one year old. She crawled all over the place and made me laugh.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

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

Information on your arrival and departure airports