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Dulles Intl

$75+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IAD
mar 13 — mar 201
fre 3/13
fre 3/20
1 adult, Economy
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Cheap 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 februari 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/511:45 am
BOS
-
IAD
1 stop19h 39m
Multiple Airlines
mån 3/98:09 am
IAD
-
BOS
1 stop27h 39m
Multiple Airlines
Deal found 2/10$160
This United Airlines deal was found by Cheapflights users on 2/8. 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.
tors 3/55:45 am
BOS
-
IAD
Nonstop1h 44m
United Airlines
mån 3/910:20 pm
IAD
-
BOS
Nonstop1h 37m
United Airlines
Deal found 2/8$167
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/511:45 am
BOS
-
IAD
1 stop19h 39m
Frontier
sön 3/86:25 am
IAD
-
BOS
1 stop29h 16m
Frontier
Deal found 2/9$168
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/54:22 pm
BOS
-
IAD
1 stop15h 02m
Multiple Airlines
sön 3/86:25 am
IAD
-
BOS
1 stop29h 16m
Multiple Airlines
Deal found 2/9$169
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 3/14:22 pm
BOS
-
IAD
1 stop14h 58m
Multiple Airlines
mån 3/27:05 pm
IAD
-
BOS
1 stop28h 54m
Multiple Airlines
Deal found 2/7$171
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/1012:36 pm
BOS
-
IAD
1 stop11h 55m
Frontier
tis 3/177:00 am
IAD
-
BOS
1 stop27h 29m
Frontier
Deal found 2/10$172
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 3/44:22 pm
BOS
-
IAD
1 stop17h 03m
Multiple Airlines
ons 3/116:20 am
IAD
-
BOS
2 stops17h 39m
Multiple Airlines
Deal found 2/9$173
This United Airlines deal was found by Cheapflights users on 2/8. 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.
tis 3/102:19 pm
MHT
-
IAD
Nonstop1h 57m
United Airlines
tis 3/1712:04 pm
IAD
-
MHT
Nonstop1h 40m
United Airlines
Deal found 2/8$189
This United Airlines deal was found by Cheapflights users on 2/8. 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.
lör 4/117:31 pm
MHT
-
IAD
Nonstop1h 54m
United Airlines
mån 4/1312:14 pm
IAD
-
MHT
Nonstop1h 41m
United Airlines
Deal found 2/8$197
This United Airlines deal was found by Cheapflights users on 2/8. 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.
lör 3/142:19 pm
MHT
-
IAD
Nonstop1h 57m
United Airlines
mån 3/1612:04 pm
IAD
-
MHT
Nonstop1h 40m
United Airlines
Deal found 2/8$199
This United Airlines deal was found by Cheapflights users on 2/9. 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.
ons 2/257:28 pm
MHT
-
IAD
Nonstop1h 57m
United Airlines
tors 3/512:04 pm
IAD
-
MHT
Nonstop1h 40m
United Airlines
Deal found 2/9$204
This United Airlines deal was found by Cheapflights users on 2/9. 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.
fre 3/67:07 pm
PWM
-
IAD
1 stop4h 12m
United Airlines
sön 3/86:00 am
IAD
-
PWM
1 stop4h 49m
United Airlines
Deal found 2/9$209

Find 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 februari 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Kiwi.com)

One-way from

$75
(United Airlines)

Popular in

November

Cheapest in

March

Average price

$224

Good round-trip deal

$249 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
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. 8% potential increase in price ($20 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 February 2026
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 februari 11, 2026.
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

lör 4/4

5:45 am-7:25 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

mån 4/6

5:41 pm-9:54 pm

1 stop4h 13m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

tors 4/2

5:45 am-7:25 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

mån 4/6

5:41 pm-9:54 pm

1 stop4h 13m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

ons 4/1

9:30 am-11:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

fre 4/3

5:10 pm-7:06 pm

Nonstop1h 56m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

lör 2/28

7:19 pm-9:03 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

ons 3/4

12:36 pm-2:12 pm

Nonstop1h 36m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

mån 3/30

3:28 pm-9:04 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

tis 3/31

10:15 pm-11:59 pm

Nonstop1h 44m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

mån 4/20

6:25 pm-11:25 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

tis 4/28

8:22 am-10:04 am

Nonstop1h 42m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

ons 2/25

12:05 pm-4:29 pm

1 stop4h 24m

Washington, D.C. Dulles Intl

sön 3/1

9:00 am-10:36 am

Nonstop1h 36m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

mån 4/27

9:30 am-11:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

tors 4/30

8:20 am-1:51 pm

1 stop5h 31m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

lör 2/21

2:20 pm-4:04 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

tis 2/24

12:36 pm-2:12 pm

Nonstop1h 36m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

tis 2/24

5:35 am-7:19 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

fre 2/27

10:20 pm-11:57 pm

Nonstop1h 37m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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, March is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $187). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $199). 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 februari 11, 2026.

It’s optimal to fly from New Hampshire to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from New Hampshire to Dulles Intl. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their New Hampshire to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings 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.

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, Delta, and American Airlines can get you from New Hampshire to Washington, D.C. Dulles Intl Airport in just under 1h 40m. Your travel time can differ by up to 5h 20m. The distance between New Hampshire and Washington, D.C. Dulles Intl Airport is about 411 mi. This flight may include one or multiple stops.

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

    While some choose either Portland - Washington, D.C. Dulles Intl or Manchester - 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 $525 for a flight from New Hampshire to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $144 while the most popular route, (Boston Logan Intl - Washington, D.C. Dulles Intl) is currently priced at $157.

  • 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, March is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $187). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $199). 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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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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.
Dallas/Fort Worth to Dulles Intl flights
Boston to Baltimore flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Dulles Intl flights
Los Angeles to Baltimore flights
Los Angeles to Dulles Intl flights
Atlanta to Baltimore flights
Boston to Reagan-National flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Reagan-National flights
Atlanta to Reagan-National flights
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San Francisco to Reagan-National flights
Seattle to Dulles Intl flights
Seattle to Reagan-National flights
San Francisco to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Hobby to Dulles Intl flights
Orlando to Reagan-National flights
Atlanta to Dulles Intl flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Denver to Baltimore flights
Tampa to Dulles Intl flights
LaGuardia to Reagan-National flights
Denver to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Orlando to Baltimore flights
Detroit to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Newark to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Hobby to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Miami to Baltimore flights
Sky Harbor Intl to Dulles Intl flights
Minneapolis to Reagan-National flights
Austin to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Detroit to Baltimore flights
Denver to Reagan-National flights
Miami to Dulles Intl flights
Austin to Reagan-National flights
Ontario to Dulles Intl flights
LaGuardia to Dulles Intl flights
Minneapolis to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Tampa to Reagan-National 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 februari 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$262FlexibilityNo cancel feeOn-time69%

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