$99 Cheap flight deals from Boston (BOS) to Northwest Washington (SEA)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Boston to Northwest Washington

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.

Airfares from $99 One Way, $176 Round Trip from Boston to Northwest Washington

Prices starting at $176 for return flights and $99 for one-way flights to Northwest Washington were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Northwest Washington economy flight packages

Price found within the past 48 hours. Click for updated prices.
La Quinta Inn by Wyndham Everett
Super 8 by Wyndham Bremerton
Graduate by Hilton Seattle
Don't see what you're looking for?
See all available trips from Boston to Northwest Washington
View all trips

More About Flying To Northwest Washington from Boston

Route Information for Flights from Boston to Northwest Washington

Origin Airport IATA Code
BOS
Destination Airport IATA Code
SEA
Distance
2487 mi
Direct Flight Airlines
American Airlines, Condor, Qatar Airways, JAL, Aer Lingus, Air France, Delta Air Lines, El Al, Alaska Airlines, Etihad Airways, JetBlue, LATAM Airlines, Finnair, SAS, Hawaiian Airlines, Air Tahiti Nui, Korean Air, TAP Air Portugal, Virgin Atlantic
Earliest Flight Arrival
5:20PM UTC
Latest Flight Arrival
5:25AM UTC

Boston to Northwest Washington

Smart business means on-the-spot travel planning at budget prices. Orbitz On-the-Go can help by using cutting-edge mobile tools and guaranteed low prices. Orbitz On-the-Go is your go-to for bargain flights from Boston to Northwest Washington, and discount Boston to Northwest Washington flights.

Business Development

Boosting sales with multiple presentations within a day or week? Then easily book cheap domestic flights from Boston to Northwest Washington. Are you expanding into emerging markets? Find low-fare deals on international Boston to Northwest Washington flights. Orbitz On-the-Go mobile apps keep it simple.

Continuing Education

Successful business people know that keeping your edge in business means staying in training. Find a low-cost air ticket for your next workshop with Orbitz flights from Boston to Northwest Washington. Move to the head of the seminar with Orbitz On-the-Go’s guaranteed low prices on Boston to Northwest Washington flights.

Budget Planning

Orbitz allows you to focus on the income, while we reduce your expenses with guaranteed low prices. Your bottom line is bound to improve with our bargain flights from Boston to Northwest Washington and discount Boston to Northwest Washington flights. Watch your business thrive.

Time Management

Time is money, and Orbitz On-the-Go saves both. Our cutting-edge mobile tools make business travel planning quick and easy, even for same-day reservations. It’s not unusual for our clients to save big on same-day tickets for Boston to {destination.name} flights. Free alerts keep you on time with flight, gate and baggage updates, plus other time-saving features.

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.