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Dulles Intl

$55+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IAD
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from New Hampshire to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from New Hampshire (USNH) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(United Airlines)

One-way from

$55
(Frontier)

Popular in

April

Cheapest in

January

Average price

$162

Good round-trip deal

$384 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
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From New Hampshire to Washington, D.C. Dulles Intl
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One-way flight from New Hampshire to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 13% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from New Hampshire to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from New Hampshire to Washington, D.C. Dulles Intl.
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Find 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 January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/30. 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 2/52:45 pmBOS - IAD
Nonstop1h 43mUnited Airlines
Thu 2/68:20 amIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 1/30$97
This Cheapflightsfares deal was found by Cheapflights users on 1/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:05 amBOS - IAD
1 stop6h 29mFrontier
Mon 5/125:26 pmIAD - BOS
1 stop7h 18mFrontier
Deal found 1/29$108
This United Airlines deal was found by Cheapflights users on 1/29. 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 2/203:55 pmPWM - IAD
1 stop4h 22mUnited Airlines
Wed 3/198:55 amIAD - PWM
Nonstop1h 42mUnited Airlines
Deal found 1/29$194
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:04 pmPWM - IAD
1 stop3h 51mDelta
Tue 3/187:59 pmIAD - PWM
1 stop4h 16mDelta
Deal found 1/29$199
This Booking.com deal was found by Cheapflights users on 1/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2710:08 amPWM - IAD
1 stop6h 55mFrontier
Thu 3/610:25 pmIAD - PWM
1 stop21h 10mFrontier
Deal found 1/30$210
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 4/29:05 amBOS - IAD
1 stop7h 52mAmerican Airlines
Sun 4/65:00 amIAD - BOS
1 stop4h 16mAmerican Airlines
Deal found 1/30$253
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/136:00 amBOS - IAD
1 stop5h 25mDelta
Sun 2/1612:05 pmIAD - BOS
1 stop3h 47mDelta
Deal found 1/29$257
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/275:12 pmBOS - IAD
2 stops19h 22mMultiple Airlines
Mon 3/35:40 pmIAD - BOS
3 stops19h 49mMultiple Airlines
Deal found 1/30$261
This United Airlines deal was found by Cheapflights users on 1/29. 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 4/36:45 pmMHT - IAD
Nonstop1h 59mUnited Airlines
Mon 4/710:15 pmIAD - MHT
Nonstop1h 44mUnited Airlines
Deal found 1/29$277
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 3/197:20 amPWM - IAD
1 stop6h 02mAmerican Airlines
Tue 3/255:28 pmIAD - PWM
1 stop5h 16mAmerican Airlines
Deal found 1/30$278
This American Airlines deal was found by Cheapflights users on 1/30. 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 3/115:05 pmMHT - IAD
1 stop6h 53mAmerican Airlines
Wed 3/129:20 amIAD - MHT
1 stop7h 15mAmerican Airlines
Deal found 1/30$297
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2411:10 amMHT - IAD
3 stops24h 16mMultiple Airlines
Thu 3/278:25 amIAD - MHT
3 stops26h 05mMultiple Airlines
Deal found 1/30$415

Find flights from New Hampshire to Dulles Intl within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 2/5

9:35 am-11:21 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 2/8

12:55 pm-2:30 pm

Nonstop1h 35m

$97

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 2/27

10:11 am-9:25 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

Mon 3/3

6:03 pm-12:44 am

1 stop6h 41m

$109

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 2/20

3:55 pm-8:17 pm

1 stop4h 22m

Washington, D.C. Dulles Intl

Wed 3/19

8:55 am-10:37 am

Nonstop1h 42m

$194

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 3/5

3:04 pm-6:55 pm

1 stop3h 51m

Washington, D.C. Dulles Intl

Tue 3/18

7:59 pm-12:15 am

1 stop4h 16m

$199

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 2/27

10:08 am-5:03 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Thu 3/6

10:25 pm-7:35 pm

1 stop21h 10m

$210

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 4/2

9:05 am-4:57 pm

1 stop7h 52m

Washington, D.C. Dulles Intl

Sun 4/6

5:00 am-9:16 am

1 stop4h 16m

$253

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 2/13

6:00 am-11:25 am

1 stop5h 25m

Washington, D.C. Dulles Intl

Fri 2/14

12:05 pm-3:52 pm

1 stop3h 47m

$257

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 2/27

5:12 pm-12:34 pm

2 stops19h 22m

Washington, D.C. Dulles Intl

Mon 3/3

5:40 pm-1:29 pm

3 stops19h 49m

$261

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Thu 4/3

6:45 pm-8:44 pm

Nonstop1h 59m

Washington, D.C. Dulles Intl

Mon 4/7

10:15 pm-11:59 pm

Nonstop1h 44m

$277

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 3/19

7:20 am-1:22 pm

1 stop6h 02m

Washington, D.C. Dulles Intl

Tue 3/25

5:28 pm-10:44 pm

1 stop5h 16m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 26 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.

Travel insights for flights from New Hampshire to Dulles Intl

Get recent, data-driven insights about flights from New Hampshire to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $309). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 January 30, 2025.

When flying from New Hampshire to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from New Hampshire to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.0
Okay
3,424 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from New Hampshire to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $55 on Frontier. Other airlines that offer cheap prices include United Airlines from $69 and Delta from $100 one-way.

  • 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 $327 for a flight from New Hampshire to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $158 while the most popular route, (Boston Logan Intl - Washington, D.C. Dulles Intl) is currently priced at $97.

  • 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, August is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. Dulles Intl Airport (average of $309). Flying from New Hampshire to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 New Hampshire?

Book flights to New Hampshire if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

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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
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Boston to Dulles Intl flights
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Los Angeles to Baltimore flights
Boston to Reagan-National flights
San Francisco to Dulles Intl flights
Atlanta to Reagan-National flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
San Francisco to Reagan-National flights
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Boston to Baltimore flights
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O'Hare Intl to Baltimore flights
Minneapolis to Baltimore flights
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Minneapolis to Reagan-National flights
Atlanta to Baltimore flights
Seattle to Baltimore flights
San Francisco to Baltimore flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
Orlando to Baltimore flights
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Miami to Reagan-National flights
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Fort Lauderdale to Baltimore flights
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Detroit to Dulles Intl flights
Minneapolis to Dulles Intl flights
Newark to Dulles Intl flights
Tampa to Reagan-National flights
Orlando to Reagan-National flights
LaGuardia to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Newark to Reagan-National flights
Miami to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Denver to Reagan-National flights
George Bush Intcntl to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Burbank to Baltimore flights
Miami to Baltimore flights

Top 2 airlines flying from New Hampshire to Dulles Intl

Discover the top 2 airlines 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$241Average$400FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$300Average$474FlexibilityNo cancel feeOn-time71%
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