Cheap flights from Seattle to Boston from $150
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Boston departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Seattle to Boston
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.American Airlines flights from Seattle to Manchester, New Hampshire
Our best American Airlines deals on Seattle to Manchester, New Hampshire flight tickets
Southwest flights from Seattle to Manchester, New Hampshire
Our best Southwest deals on Seattle to Manchester, New Hampshire flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Seattle to Manchester, New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/2
5:30 am-4:40 pm
1 stop8h 10m
Manchester
Tue 11/3
2:10 pm-11:30 pm
2 stops12h 20m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/2
6:35 pm-8:35 am
2 stops11h 00m
Manchester
Tue 11/3
2:10 pm-11:30 pm
2 stops12h 20m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Wed 11/11
11:20 am-9:20 pm
1 stop7h 00m
Manchester
Sat 11/14
7:45 am-4:50 pm
1 stop12h 05m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Wed 11/11
11:20 am-9:20 pm
1 stop7h 00m
Manchester
Sat 11/14
11:30 am-9:55 pm
2 stops13h 25m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Wed 11/11
9:15 am-10:49 pm
1 stop10h 34m
Manchester
Sat 11/14
10:43 am-7:57 pm
2 stops12h 14m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/2
12:34 pm-10:49 pm
1 stop7h 15m
Manchester
Mon 11/9
3:43 pm-10:34 pm
1 stop9h 51m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Sat 10/24
6:00 am-6:45 pm
1 stop9h 45m
Manchester
Wed 10/28
1:55 pm-8:15 pm
1 stop9h 20m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Sat 10/24
8:25 am-7:01 pm
1 stop7h 36m
Manchester
Wed 10/28
9:25 am-11:17 pm
2 stops16h 52m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Tue 10/27
7:00 am-11:59 pm
2 stops13h 59m
Manchester
Sat 10/31
9:25 am-5:59 pm
2 stops11h 34m
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Tue 10/27
7:00 am-11:59 pm
2 stops13h 59m
Manchester
Sat 10/31
9:25 am-5:59 pm
2 stops11h 34m
See travel insights to Boston from
How to get the cheapest flight ticket from Seattle to Manchester, New Hampshire
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Manchester, New Hampshire?
If you aren’t able to travel during the month of January, then book flights to Manchester, New Hampshire from Seattle during April instead. Flights to Manchester, New Hampshire in April, while not as cheap as those in January, still average around $378.
Can stopping save me money on Seattle to Manchester, New Hampshire flights?
You could potentially save up to 34% on your flight if you consider stops on a Seattle to Manchester, New Hampshire flight.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Manchester?
Southwest and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Manchester
What airlines fly to Manchester, New Hampshire?
Delta, Alaska Airlines and JetBlue are the top three most popular airlines that fly to Manchester, New Hampshire from Seattle according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Manchester, New Hampshire. Keep in mind that there are 7 different airlines that fly to Manchester, New Hampshire on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Manchester, New Hampshire
Cheap Seattle to Manchester, New Hampshire (SEA to MHT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Manchester, New Hampshire
Frequently asked questions about flying from Seattle to Manchester, New Hampshire
How far is Seattle/Tacoma Intl to Manchester by plane?
The straight-line distance from Seattle/Tacoma Intl to Manchester is 2446.8 mi. Typically, this will take 7h 36m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Manchester Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Manchester Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Manchester Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Manchester Airport is 2 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Manchester Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Manchester Airport.
What documentation or ID do you need to fly to Manchester Airport?
The travel and health documents you'll need for your trip to Manchester Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Manchester Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Manchester, New Hampshire?
Based on momondo bookings for flights between Seattle and Manchester, New Hampshire, the leading airline is American Airlines, making up 52% of the total bookings. Other popular airlines include Southwest with 48%.
Best airlines flying from Seattle to Manchester, New Hampshire
Compare and see reviews for airlines that fly from Seattle to Manchester, New Hampshire with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $362 | Free Cancellation | Rating 7.9 4,214 reviews | |||
| PriceFrom $368 | Free Cancellation | Rating 7.0 12,130 reviews |
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Manchester?
Finding the right flight to Manchester from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Manchester quick and easy, saving you time and money.
Can I find flights from Seattle to Manchester with flexible booking policies on momondo?
Flights from Seattle to Manchester with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Manchester?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Manchester.
I’m not ready to book a flight from Seattle to Manchester right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Manchester, momondo offers a useful price alert feature which will track prices for flights to Manchester from Seattle and alert you when they change.