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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.
Prices starting at $198 for return flights and $99 for one-way flights to SeaTac were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
| Origin Airport IATA Code | BOS |
|---|---|
| Destination Airport IATA Code | SEA |
| Distance | 2487 mi |
| Direct Flight Airlines | American Airlines, KLM, Qatar Airways, JAL, Alaska Airlines, Aer Lingus, JetBlue Airways, Delta Air Lines, Hawaiian Airlines, Korean Air, Air Tahiti Nui, TAP Air Portugal, Virgin Atlantic |
| Earliest Flight Arrival | 5:35PM UTC |
| Latest Flight Arrival | 6:21AM UTC |
Your search engine may give you thousands of pages of results when you search for cheap flights from Boston to SeaTac, but you can save yourself a lot of hassle and money by going straight to Orbitz.com. Not only do we offer great deals on Boston to SeaTac flights, but we make it easy to book hotels, car rentals, cruises, or a complete vacation package of your dreams.
Orbitz’s low price guarantee means you get the best fares around. Find the lowest prices for international and domestic tickets and for flights from Boston to SeaTac when you use Orbitz. It’s easy to add activities to your booking, so you can take advantage of all that SeaTac has to offer.
Orbitz now offers free mobile device apps, so even the busiest multi-taskers can plan their vacations while away from their desktop computer. Plus, instant alerts to your email or mobile phone help you stay on top of any delays or travel updates, so you avoid unpleasant surprises before boarding your Boston to SeaTac flights. Our Customer Service representatives are ready to assist you if you need to change your air travel plans.
With Orbitz, you do not have to choose between a low fare and earning frequent flyer miles. Simply provide your frequent flyer information when you book your Boston to SeaTac flights.
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.
