Nonstop flight about 5 h 10
Seattle from Boston
From Boston, a nonstop flight gets you in Seattle in about 5 h 10. You land at Seattle–Tacoma International Airport (SEA), 11 miles from the destination, after 2,489 miles of flight.
In Seattle, the best months for a trip are July and August, with daytime highs up to 74 °F.
7 days in Seattle in August, Beach and hiking, from Boston on your own
Plan a trip- Flight time from Boston
- about 5 h 10
- Flight distance BOS to SEA
- 2,489 miles
- Nonstop from BOS
- Nonstop flight
- Best time to go
- July and August
Flight times estimated from the distance, nonstop routes according to OpenTravelData.
Your Boston departure and Seattle arrival
Start your search at Boston Logan International Airport and compare current partner listings for flights into Seattle. The page keeps live prices in USD, so your fare choices reflect the market available when you search. Seattle-Tacoma International Airport places you close to the city and gives you a clear connection to downtown Seattle.
Your arrival day works well as a transition day. Check in, walk toward the waterfront, and choose one nearby attraction for the evening. This gives you a comfortable first look at the city without placing every major activity on the schedule. Add later details after confirming your flight through the booking option shown in the plan.
HolidayWow can connect the home address, airport ride, flight, and transfer to your first stay in one door to door itinerary. Every stop appears on the map, while each travel leg is ordered to support the pace you choose. You can start with a month and add exact dates when your flights are ready.
Choosing a Seattle month that matches your plans
Summer offers Seattle's clearest seasonal pattern, with July bringing the highest daytime average and the most sunshine in the climate record. It suits visitors who want long daylight hours for the waterfront, neighborhood walks, and trips toward Mount Rainier. August stays warm with slightly less sunshine, making it another practical choice for sightseeing.

Spring and autumn work well when you prefer comfortable daytime conditions for a city break. April and May provide useful light for walks, while September and October suit travelers who want clear urban plans with autumn scenery beyond the city. Layers remain useful because evening temperatures are lower than daytime averages across the year.
Winter brings mild daytime averages compared with many northern cities, along with frequent rain. That makes indoor food experiences, coffee stops, museums, and sheltered waterfront views especially useful. Seattle's climate varies across every month, so check the generated monthly guidance before choosing clothing, outdoor walks, or day trip timing.


Where to base yourself for a Seattle visit
Downtown Seattle places the Space Needle, Pike Place Market, the waterfront, and several major transit routes within convenient reach. This base works well for a first visit because you can walk between central attractions and return to your stay without changing hotels. It also suits travelers who want easy access to evening dining and harbor views.
Capitol Hill offers a different rhythm, with local restaurants, coffee shops, bookstores, and music venues close to one another. Choose this area if neighborhood character matters as much as direct access to the main skyline. South Lake Union is another practical base for contemporary architecture, waterfront paths, museums, and the Space Needle.
Seattle does not need a complicated base strategy for a city break. A central stay supports easy meals, transit, and spontaneous walks. If your vacation extends toward Mount Rainier, the Cascades, or the San Juan Islands, you can add another base and move it on the map while keeping the daily route coherent.
Seattle from Boston
Seattle lies {{dist.home:BOS}} from Boston in a straight line. From Atlanta it is {{dist.home:ATL}}. From Los Angeles it is {{dist.home:LAX}}. For a trip out of Boston, aim for June, July, August and September.

From Chicago it is {{dist.home:ORD}}. From Dallas it is {{dist.home:DFW}}. The plan adds the ride to the airport, the flight with live fares from our partners, and the transfer to your first stay.


Airports at the destination
Your nonstop flight from Boston lands at Seattle–Tacoma International Airport (SEA), 11 miles from the destination.
SEASeattle–Tacoma International Airport11 miles to the destination, about 5 h 10 from BOS, 2,489 miles of flightNonstop
BFIKing County International Airport - Boeing Field6 miles to the destination, about 5 h 10 from BOS, 2,487 miles of flight
PAESeattle Paine Field International Airport21 miles to the destination, about 5 h 10 from BOS, 2,482 miles of flight
Best time to travel in Seattle
In Seattle, the best months for a trip are July and August, with daytime highs up to 74 °F.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day °F | 45 | 46 | 51 | 56 | 63 | 68 | 74 | 74 | 69 | 59 | 50 | 44 |
| Night °F | 35 | 35 | 38 | 40 | 46 | 51 | 56 | 56 | 52 | 45 | 39 | 35 |
| Sun h/day | 2 | 3 | 4 | 6 | 7 | 8 | 10 | 9 | 7 | 4 | 2 | 2 |
| Rain days | 19 | 18 | 20 | 17 | 12 | 11 | 4 | 5 | 10 | 15 | 20 | 20 |
The best months for Seattle
The warmest month is July with 74 °F, the coolest December with 44 °F. July is the driest with 4 rain days and March the wettest with 20. July brings the most sun, around 10 hours daily.

Comfortable sightseeing weather, with highs between the low twenties and about thirty degrees, comes in June, July, August and September.
- January: 45 °F, 19 rain days, 2 h of sun
- February: 46 °F, 18 rain days, 3 h of sun
- March: 51 °F, 20 rain days, 4 h of sun
- April: 56 °F, 17 rain days, 6 h of sun
- May: 63 °F, 12 rain days, 7 h of sun
- June: 68 °F, 11 rain days, 8 h of sun
- July: 74 °F, 4 rain days, 10 h of sun
- August: 74 °F, 5 rain days, 9 h of sun
- September: 69 °F, 10 rain days, 7 h of sun
- October: 59 °F, 15 rain days, 4 h of sun
- November: 50 °F, 20 rain days, 2 h of sun
- December: 44 °F, 20 rain days, 2 h of sun

A day in Seattle in June
Begin with a long walk while the light is soft. Around midday it reaches 68 °F, ideal for the outdoor highlight of the day. By night it is 51 °F: a cosy restaurant suits the evening.



What to pack for Seattle
For July, plan for changeable mild weather: 74 °F in the day, 56 °F after dark, 4 days of rain. The packing list in your plan adjusts itself to the month and the days you pick.

- Comfortable walking shoes
- A warm layer for the evenings
- A travel adapter for your chargers

Live prices for Seattle
The cards below pull today's partner prices for Seattle in your currency, so the number you see is the one you pay.



Weather in Seattle month by month
- January
45 °F
- February
46 °F
- March
51 °F
- April
56 °F
- May
63 °F
- June
68 °F
- July
74 °F
- August
74 °F
- September
69 °F
- October
59 °F
- November
50 °F
- December
44 °F
Nonstop flights in Seattle from other airports
Besides Boston, nonstop flights in Seattle leave from 10 other airports; the closest to Boston is New York JFK, with a flight time of about 5 h 02.
- BOSSeattle from Bostonabout 5 h 10 to SEA, nonstop
- JFKSeattle from New York JFKabout 5 h 02 to SEA, nonstop
- EWRSeattle from Newarkabout 5 h to SEA, nonstop
- ORDSeattle from Chicago O'Hareabout 3 h 46 to SEA, nonstop
- ATLSeattle from Atlantaabout 4 h 36 to SEA, nonstop
- MCOSeattle from Orlandoabout 5 h 17 to SEA, nonstop
- MIASeattle from Miamiabout 5 h 36 to SEA, nonstop
- DFWSeattle from Dallas/Fort Worthabout 3 h 39 to SEA, nonstop
- DENSeattle from Denverabout 2 h 30 to BFI, nonstop
- LAXSeattle from Los Angelesabout 2 h 23 to SEA, nonstop
- SFOSeattle from San Franciscoabout 1 h 52 to SEA, nonstop
Flight times estimated from the distance, nonstop routes according to OpenTravelData.
A seven day Seattle itinerary with room to wander
Begin with downtown Seattle, Pike Place Market, the waterfront, and the Space Needle. On your next day, explore Capitol Hill and add a food-focused evening. A third day can introduce the Museum of Flight or another indoor attraction, giving your itinerary variety when the Pacific Northwest weather shapes the day.

Use the middle of the trip for Mount Rainier or another scenic drive outside the city. Keep this as a separate map day with a relaxed pace and suitable layers. Returning to Seattle afterward makes an easy reset before a final full day devoted to neighborhoods, shopping, and your preferred dining spots.
Save the last day for a flexible city route, then return to the airport with time built into the plan. For a shorter vacation, use the first three days as your core itinerary and keep optional stops on the map. HolidayWow lets you drag a stop to another day, swap an attraction, or lighten a day after changes.

Add Mount Rainier, islands, and coastal scenery
Mount Rainier is the strongest choice for a dramatic day beyond downtown Seattle. Build a route that accounts for the drive to the mountain and the return journey, then place it where your group has enough energy for a full day. Weather changes can shape the visit, so keep your Seattle activities flexible around this excursion.

For waterfront scenery without a long road journey, explore Seattle's public shoreline and consider an island itinerary. The San Juan Islands reward travelers who want a slower rhythm, with ferries, harbor towns, walking, and scenery. Add dates before checking current ferry and stay listings so the plan can place travel days correctly.
The planner is useful for keeping these additions connected to the main trip. Select a balanced pace for city days, a relaxed pace for a scenic day, and an overnight stay wherever a change of base makes sense. Live weather and live prices can then appear on each dated day card when your timing is set.

Seattle from Boston: frequently asked questions
How far is Seattle from Boston by air?
The distance describes the city connection, while the best flight search also depends on the departure airport, connection options, and current partner availability. Use the live flight listings in your plan to review the choices for your travel dates.
Which month is best for a vacation in Seattle?
July and August provide the warmest seasonal setting and strong daylight for sightseeing. May, June, September, and October can suit travelers who prefer comfortable city walks and flexible outdoor plans. Review the monthly climate data, then match clothing and activities to the conditions for your chosen period.
How many days should I plan for Seattle?
A three day visit works well for downtown Seattle, Capitol Hill, major landmarks, and the waterfront. A seven day trip gives you room for Mount Rainier, the islands, nearby scenery, and a slower dining schedule. The planner can keep the core city days light and place excursions around them.
Can I book a Boston to Seattle flight inside the plan?
Yes. HolidayWow presents flights from partner sources with the live price or a live price check button. Add your preferred itinerary to the plan after searching the current listings. The same plan can also organize your Seattle stay, activities, transport, budget, packing list, and travel documents.
Can my group edit the Seattle itinerary together?
Yes. One link opens the shared plan, with viewing and editing roles. Group members can vote and comment, while HolidayWow keeps the daily map and route ready for everyone. The app is free to download and plan with, and it supports large text and voice input for travelers who prefer them.
More nonstop destinations from Boston
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Sea 67 °F in October
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Sea 84 °F in October
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Sea 75 °F in October
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Plan your trip in Seattle from Boston
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