$58 Cheap flight deals from Washington (WAS) to Portsmouth (BOS)

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This Weekend's Flight Deals from Washington to Portsmouth

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 10 - Mon, Jan 12
IAD
Washington Dulles Intl.
BOS
Logan Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jan 10 from Washington Dulles Intl. to Logan Intl., returning Mon, Jan 12, priced at $235 found 1 day ago
Sat, Jan 10 - Wed, Jan 14
DCA
Ronald Reagan Washington National
BOS
Logan Intl.
$259 Roundtrip, found 6 hours ago
$259
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Jan 10 from Ronald Reagan Washington National to Logan Intl., returning Wed, Jan 14, priced at $259 found 6 hours ago
Sat, Jan 10 - Mon, Jan 12
BWI
Baltimore Washington Intl. Thurgood Marshall
BOS
Logan Intl.
$296 Roundtrip, just found
$296
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jan 10 from Baltimore Washington Intl. Thurgood Marshall to Logan Intl., returning Mon, Jan 12, priced at $296 just found
Sun, Jan 11 - Wed, Jan 28
DCA
Ronald Reagan Washington National
MHT
Manchester-Boston Regional
$302 Roundtrip, found 2 days ago
$302
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Jan 11 from Ronald Reagan Washington National to Manchester-Boston Regional, returning Wed, Jan 28, priced at $302 found 2 days ago

Airfares from $58 One Way, $123 Round Trip from Washington to Portsmouth

Prices starting at $123 for return flights and $58 for one-way flights to Portsmouth were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 5 - Mon, Feb 9
BWI
Baltimore
BOS
Boston
$123 Roundtrip, found 4 days ago
$123
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Feb 5 from Baltimore to Boston, returning Mon, Feb 9, priced at $123 found 4 days ago
Wed, Feb 18 - Wed, Feb 25
BWI
Baltimore
BOS
Boston
$130 Roundtrip, found 1 day ago
$130
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Feb 18 from Baltimore to Boston, returning Wed, Feb 25, priced at $130 found 1 day ago
Tue, Jan 27 - Sat, Jan 31
IAD
Washington
BOS
Boston
$131 Roundtrip, found 14 hours ago
$131
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Jan 27 from Washington to Boston, returning Sat, Jan 31, priced at $131 found 14 hours ago
Tue, Jan 27 - Sat, Jan 31
DCA
Washington
BOS
Boston
$131 Roundtrip, found 14 hours ago
$131
Roundtrip
found 14 hours ago
Select Delta flight, departing Tue, Jan 27 from Washington to Boston, returning Sat, Jan 31, priced at $131 found 14 hours ago
Tue, Jan 27 - Sat, Jan 31
DCA
Washington
BOS
Boston
$131 Roundtrip, found 14 hours ago
$131
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Jan 27 from Washington to Boston, returning Sat, Jan 31, priced at $131 found 14 hours ago

Portsmouth economy flight packages

Price found within the past 48 hours. Click for updated prices.
Raffles Boston
5.0-star property

Raffles Boston

9.6/10 Exceptional! (181 reviews)

Feb 12 - Feb 15

3 night stay

Baltimore (BWI) to Boston (BOS)

Southwest Airlines • Coach

Boston (BOS) to Baltimore (BWI)

Delta • Coach
Save 100% on your flight
Price was $1,119, price is now $838 per person
$838
per person
found 1 hour ago
Excellent services.

Reviewed on Dec 29, 2024

Boston Harbor Hotel
5.0-star property

Boston Harbor Hotel

9.8/10 Exceptional! (1,005 reviews)

Mar 1 - Mar 4

3 night stay

Baltimore (BWI) to Boston (BOS)

Southwest Airlines • Coach

Boston (BOS) to Baltimore (BWI)

Spirit Airlines • Coach
Save 100% on your flight
Price was $1,400, price is now $937 per person
$937
per person
found 5 hours ago
The staff is VERY attentive to all your needs. It just makes everything easy and more comfortable: room service to concierge to valet parking etc. etc.

Reviewed on Mar 24, 2024

The Charles Hotel
4.0-star property

The Charles Hotel

9.4/10 Exceptional! (1,003 reviews)

Feb 12 - Feb 15

3 night stay

Baltimore (BWI) to Boston (BOS)

Southwest Airlines • Coach

Boston (BOS) to Baltimore (BWI)

Delta • Coach
Save 100% on your flight
Price was $1,127, price is now $848 per person
$848
per person
found 1 hour ago
Great Cambridge hotel. Close to T stop and great location in Harvard Square. Lobby is a great place to read or get some work done. Rooms very comfortable.

Reviewed on Mar 31, 2025

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More About Flying To Portsmouth from Washington

Route Information for Flights from Washington to Portsmouth

Origin Airport IATA Code
WAS
Destination Airport IATA Code
BOS
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Washington to Portsmouth

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Frequently asked questions

Are there non-stop flights from Washington to Portsmouth?
Yep, your unforgettable vacation is just a single flight away. Great news, isn't it? Travel comfortably on board one of the 3 carriers that fly directly from DCA to Boston, MA (BOS-Logan Intl.). Popular options include:

  • American Airlines
  • Delta
  • JetBlue

What is the shortest flight from Washington to Portsmouth?
If conditions are good and there are no delays, you could be landing at Boston, MA (BOS-Logan Intl.) from DCA in only 1 hour and 23 minutes. With such a brief flight time, consider traveling with just hand luggage.
What airlines fly from Washington to Portsmouth most frequently?
American Airlines (AA) is one of the airlines with the most flights from National Airport to Logan Intl. Airport (BOS). It offers 230 services each month on this route. Taking off on a vacation is one of life's greatest pleasures, and this airline will get you to your destination quickly and safely. Alternatively, book your favorite aisle (or window) seat with Delta (DL). You'll have 165 monthly flights between Washington and Portsmouth to select from with this carrier.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.