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Washington, D.C.

$69+ Cheap flights from New Hampshire to Washington, D.C. (WAS)

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — WAS
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap flight deals from New Hampshire to Washington, D.C.

Cheapest flights from New Hampshire to Washington, D.C.
Explore the most affordable flight options available from New Hampshire to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.

This Southwest deal was found by Cheapflights users on 5/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:25 pm
BOS
-
BWI
Nonstop1h 35m
Southwest
Tue 6/164:15 pm
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 5/10$117
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:15 pm
BOS
-
BWI
Nonstop1h 35m
Southwest
Wed 6/109:45 pm
BWI
-
BOS
Nonstop1h 35m
Southwest
Deal found 5/8$137
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:35 am
BOS
-
BWI
Nonstop1h 45m
Delta
Tue 8/189:00 am
BWI
-
BOS
Nonstop1h 38m
Delta
Deal found 5/7$147
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:15 pm
BOS
-
BWI
Nonstop1h 40m
Southwest
Tue 6/99:45 pm
BWI
-
BOS
Nonstop1h 35m
Southwest
Deal found 5/9$154
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:27 pm
BOS
-
BWI
1 stop6h 12m
American Airlines
Wed 6/105:02 am
BWI
-
BOS
1 stop4h 19m
American Airlines
Deal found 5/10$159
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
-
BWI
1 stop12h 30m
Frontier
Mon 6/19:23 pm
BWI
-
BOS
1 stop10h 26m
Frontier
Deal found 5/7$160
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:19 am
BOS
-
DCA
Nonstop1h 41m
American Airlines
Wed 6/38:00 am
DCA
-
BOS
Nonstop1h 35m
American Airlines
Deal found 5/8$162
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 6/35:45 am
BOS
-
IAD
Nonstop1h 38m
United Airlines
Sat 6/610:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Deal found 5/6$164
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:55 pm
BOS
-
DCA
Nonstop1h 47m
Delta
Sat 6/65:00 pm
DCA
-
BOS
Nonstop1h 48m
Delta
Deal found 5/6$164
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 pm
BOS
-
BWI
Nonstop1h 40m
Southwest
Wed 8/196:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 5/7$164
This Jetabroad deal was found by Cheapflights users on 5/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
BOS
-
DCA
Nonstop1h 40m
JetBlue
Tue 6/161:25 pm
DCA
-
BOS
Nonstop1h 36m
JetBlue
Deal found 5/10$166
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 5/275:44 pm
BOS
-
IAD
1 stop5h 35m
United Airlines
Wed 6/310:10 pm
IAD
-
BOS
Nonstop1h 49m
United Airlines
Deal found 5/8$167

Find flight deals from New Hampshire to Washington, D.C.

Keep the following information in mind while searching for New Hampshire to Washington, D.C. flight deals. Data was last updated May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Delta)

One-way from

$69
(Southwest)

Popular in

March

Cheapest in

September

Average price

$237

Good round-trip deal

$329 or less

Good one-way deal

$194 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. (WAS)
Search Deals
One-way flight from New Hampshire to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($25 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 May 2026
Search Deals
Price to beat on a round-trip flight from New Hampshire to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from New Hampshire to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Washington, D.C. 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 11, 2026.
Use the filters below to find and compare flights from New Hampshire to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 7/8

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 7/13

10:10 pm-11:59 pm

Nonstop1h 49m

$182

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/28

9:30 am-11:12 am

Nonstop1h 42m

Washington, D.C. Dulles Intl

Mon 6/1

12:35 pm-5:57 pm

1 stop5h 22m

$194

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 5/23

4:05 pm-9:53 pm

1 stop5h 48m

Washington, D.C. Reagan-National

Mon 5/25

6:00 am-9:53 am

1 stop3h 53m

$197

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 7/15

6:00 am-7:49 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 7/19

7:40 pm-11:31 pm

1 stop3h 51m

$206

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 8/12

11:10 am-12:53 pm

Nonstop1h 43m

Baltimore/Washington

Sat 8/15

5:36 pm-11:59 pm

1 stop6h 23m

$206

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 6/4

3:55 pm-5:40 pm

Nonstop1h 45m

Baltimore/Washington

Sun 6/7

10:30 pm-12:05 am

Nonstop1h 35m

$213
Quickest round-trip

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 10/9

9:55 pm-11:30 pm

Nonstop1h 35m

Baltimore/Washington

Mon 10/12

6:30 am-8:00 am

Nonstop1h 30m

$213

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sun 7/12

6:05 am-10:09 am

1 stop4h 04m

Washington, D.C. Reagan-National

Wed 7/15

10:00 pm-11:42 pm

Nonstop1h 42m

$217

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 6/18

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 6/21

10:10 pm-11:59 pm

Nonstop1h 49m

$217

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 5/24

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-11:59 pm

Nonstop1h 49m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from New Hampshire to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

How far ahead should I book a flight from New Hampshire to Washington, D.C.?

The price you pay for your flight from New Hampshire to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. (average of $107). Flying from New Hampshire to Washington, D.C. in April is currently the most expensive (average of $189). 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 WAS?

Find hourly flight availability from New Hampshire to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 11, 2026.

When flying from New Hampshire to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from New Hampshire to Washington, D.C.. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their New Hampshire to Washington, D.C. flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from New Hampshire to Washington, D.C.

Explore weekly flight availability from New Hampshire to Washington, D.C.. 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 11, 2026.

The most flights from USNH to WAS are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Washington, D.C.. 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.?

    Departing from New Hampshire to Washington, D.C. will take you 1h 38m. Airlines will cover a distance of 411 mi. Generally, flights for this route are nonstop.

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

    Most travelers choose Boston Logan Intl - Baltimore/Washington, Boston Logan Intl - Washington, D.C. Reagan-National or Boston Logan Intl - Washington, D.C. Dulles Intl when deciding on the best route from New Hampshire to Washington, D.C..

  • What are the cheapest flights from New Hampshire to Washington, D.C.?

    While on average a flight from New Hampshire to Washington, D.C. is generally $546, our data shows the cheapest flight currently is $137. When looking at the most popular route, (Boston Logan Intl - Baltimore/Washington), you can expect to pay $117 for that flight.

  • Can I find deals for flights from New Hampshire to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Washington, D.C..

  • Can I find deals for business class flights from New Hampshire to Washington, D.C.?

    Yes. Cheapflights offers flight deals from New Hampshire to Washington, D.C. 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.?

    Currently, February is the cheapest month in which you can book a flight from New Hampshire to Washington, D.C. (average of $107). Flying from New Hampshire to Washington, D.C. in April is currently the most expensive (average of $189). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Arlington
Springfield
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Hampshire to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from New Hampshire to Washington, D.C.

Discover the top 3 airlines that operate flights from New Hampshire to Washington, D.C.. 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$280FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$329FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$195Average$324FlexibilityNo cancel feeOn-time63%

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