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Cheap flights from Boston to Seattle

BOS — SEA
28 Apr — 5 May1
1 adult
Sun 28/4
Sun 5/5

The best prices from Boston Logan Intl to Seattle/Tacoma Intl are usually found in January or February, booked 89 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Boston to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2024.

Popular in

June

Cheapest in

January

Average price

₹ 26,517

Round-trip from

₹ 95,540
High demand for flights, 30% potential price rise
Best time to find cheap flights, 39% potential price drop
Average for round-trip flights in April 2024
From Boston Logan Intl to Seattle/Tacoma Intl

What is the cheapest day to fly return from Boston to Seattle?

Users have found that flying from Boston to Seattle on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Boston to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 27% on flights from Boston to Seattle compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at ₹ 27,934. For sooner than that we have options available in the next 3 days from ₹ 43,444.

What is the cheapest month to fly from Boston to Seattle?

Our data shows that January tends to be the cheapest month to fly to Seattle from Boston. Users have commonly found prices around ₹ 29,776 for the month, but tickets can be as low as ₹ 9,006. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Boston to Seattle (BOS - SEA)?

It’s typically best to fly out from Boston to Seattle at midday. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.

When is the best time to book a flight from Boston to Seattle?

Use this chart to determine the optimal time to book a return flight from Boston to Seattle. Price data was last updated on 28 January 2024.
Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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When is the cheapest time to fly from Boston to Seattle?

Use this chart to determine the cheapest time to fly return from Boston to Seattle. Price data was last updated on 14 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Boston to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Boston to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Seattle is currently ₹ 0 while a return flight costs ₹ 0. Price data was last updated on 14 April 2024.

Currently, November is the cheapest month in which you can book a flight from Boston to Seattle (average of ₹ 1,146). Flying from Boston to Seattle in August is currently the most expensive (average of ₹ 1,620). 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.

January

₹ 100,814

February

₹ 97,729

March

₹ 100,231

April

₹ 114,073

May

₹ 113,406

June

₹ 112,072

July

₹ 127,581

August

₹ 135,086

September

₹ 105,818

October

₹ 96,061

November

₹ 95,561

December

₹ 104,317

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

Related info for your journey

Find useful and relevant information for your journey from Boston to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What days are direct flights available from Boston to Seattle?

    You can find direct flights on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

  • How popular is this Boston to Seattle flight route?

  • How many flights depart from Boston to Seattle on average per day?

    On average 21 flights depart from Boston to Seattle per day.
    Morning (6am - Noon) - 48% of flight departures
    Afternoon (Noon - 6pm) - 43% of flight departures
    Evening (6pm - Midnight) - 10% of flight departures

  • What are the most reliable airlines from Boston to Seattle?

    Consider China Eastern (98%), Air France (97%) or Air Tahiti Nui (92%) when booking your flight. These represent the most reliable airlines when flying from Boston to Seattle.

  • What does BOS to SEA mean?

    Great question - BOS to SEA just means Boston Logan Intl Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Boston to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Seattle that include hotel bookings?

    Yes. In addition to deals on Boston to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Seattle.

  • Can I find deals for business class flights from Boston to Seattle?

    Yes. Cheapflights offers flight deals from Boston to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Seattle that allow pets onboard?

    Many airlines flying from Boston to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Seattle?

    Yes, you can often find last-minute deals on Boston to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

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Search flights from Boston to Seattle by cabin class

Find flights from Boston to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Boston to Seattle

Find hourly flight availability from Boston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 April 2024.
24%of flight departuresEarly morningMidnight to 6 am
38%of flight departuresMorning6 am to noon
12%of flight departuresAfternoonNoon to 6 pm
26%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Boston to Seattle

Explore weekly flight availability from Boston to Seattle. 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 23 April 2024.
Monday23daily flights
Tuesday25daily flights
Wednesday21daily flights
Thursday22daily flights
Friday25daily flights
Saturday20daily flights
Sunday22daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Seattle?

Cheapflights helps you search for flights from Boston to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Boston to Seattle?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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