$182+ Cheap flights from Manchester, NH to Seattle (MHT - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Manchester to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Manchester to Seattle
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Cheapest flights from Manchester to SeattleExplore the most affordable flight options available from Manchester to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Manchester to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:17 pm -
1 stop11h 53m
Sat 10/176:12 am -
1 stop7h 23m
Deal found 9/2![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:50 pm -
1 stop8h 47m
Mon 10/2610:56 pm -
2 stops12h 07m
Deal found 9/3![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
2 stops14h 00m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 9/2![Southwest logo]()
$373
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:52 pm -
1 stop11h 05m
Fri 10/212:40 pm -
1 stop7h 51m
Deal found 8/31![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:40 pm -
2 stops14h 00m
Tue 11/107:45 am -
2 stops11h 20m
Deal found 9/1![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:45 am -
1 stop8h 00m
Thu 10/112:10 am -
2 stops11h 50m
Deal found 8/31![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:52 pm -
1 stop11h 05m
Mon 9/2810:36 pm -
1 stop9h 08m
Deal found 8/31![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 pm -
1 stop8h 30m
Mon 9/2811:05 pm -
2 stops12h 15m
Deal found 8/31![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:50 pm -
2 stops13h 05m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 9/3![Southwest logo]()
$435
Best flights from Manchester to SeattleDiscover carefully curated flight deals from Manchester to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Manchester to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/55:50 pm -
1 stop8h 40m
Sat 1/98:10 am -
1 stop7h 35m
Deal found 9/2![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:25 am -
1 stop9h 26m
Wed 10/2810:50 am -
2 stops10h 09m
Deal found 9/3![United Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:55 pm -
1 stop8h 45m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 9/2![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:45 am -
1 stop8h 00m
Thu 10/112:10 am -
2 stops11h 50m
Deal found 8/31![Southwest logo]()
$401
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:50 pm -
1 stop8h 47m
Wed 10/288:30 am -
2 stops12h 29m
Deal found 9/3![United Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:35 am -
2 stops10h 30m
Tue 10/66:15 am -
2 stops11h 20m
Deal found 8/31![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 pm -
1 stop8h 30m
Mon 9/2811:05 pm -
2 stops12h 15m
Deal found 8/31![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:40 am -
1 stop8h 05m
Tue 10/279:00 am -
2 stops10h 45m
Deal found 8/30![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/612:00 pm -
2 stops12h 30m
Sat 1/96:40 am -
2 stops9h 05m
Deal found 8/31![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:55 pm -
1 stop8h 45m
Fri 10/236:50 pm -
2 stops10h 35m
Deal found 8/31![Southwest logo]()
$444
Last-minute flights from Manchester to SeattleDiscover last-minute flight deals from Manchester to Seattle. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Manchester to Seattle. Data last updated September 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:52 pm -
1 stop9h 13m
Tue 9/298:20 am -
1 stop7h 44m
Deal found 8/31![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 pm -
1 stop8h 30m
Mon 9/2811:05 pm -
2 stops12h 15m
Deal found 8/31![Southwest logo]()
$434
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:52 pm -
1 stop11h 05m
Fri 10/212:40 pm -
1 stop7h 51m
Deal found 8/31![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:45 am -
1 stop8h 00m
Thu 10/112:10 am -
2 stops11h 50m
Deal found 8/31![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:17 pm -
1 stop11h 53m
Sat 10/176:12 am -
1 stop7h 23m
Deal found 9/2![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:50 pm -
1 stop8h 47m
Mon 10/2610:56 pm -
2 stops12h 07m
Deal found 9/3![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:50 pm -
2 stops13h 05m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 9/3![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
2 stops14h 00m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 9/2![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:40 pm -
2 stops14h 00m
Tue 11/107:45 am -
2 stops11h 20m
Deal found 9/1![Southwest logo]()
$387
One-way flights from Manchester to SeattleSearch for one-way flight options from Manchester to Seattle. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Manchester to Seattle. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:45 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:25 am -
2 stops12h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 pm -
1 stop10h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:38 pm -
2 stops13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:46 pm -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$245
This deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:50 pm -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:18 pm -
3 stops48h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$265
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:05 pm -
1 stop10h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:25 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$294
Find flight deals from Manchester to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Manchester (MHT) 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (American Airlines) |
One-way from | $182 (Southwest) |
Popular in | December |
Cheapest in | April |
Average price | $487 |
Cheapflights Fare Finder
Customize your flight search to find flights from Manchester to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Manchester to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sat 9/26
9:25 am-6:52 pm
2 stops12h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Fri 10/23
5:05 pm-12:36 am
1 stop10h 31m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Fri 10/23
1:40 pm-12:40 am
2 stops14h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$201
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Thu 9/10
2:46 pm-8:18 pm
1 stop8h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Fri 9/11
2:46 pm-11:36 pm
2 stops11h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sun 10/11
6:00 am-11:39 am
1 stop8h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$289
Quickest round-trip
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Fri 9/18
6:25 pm-11:55 pm
1 stop8h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$294
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Mon 10/12
6:00 am-11:39 am
1 stop8h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$319
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Fri 10/9
5:05 pm-12:36 am
1 stop10h 31m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$325
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Tue 1/5
5:50 pm-11:30 pm
1 stop8h 40m
Seattle/Tacoma Intl
Sat 1/9
8:10 am-6:45 pm
1 stop7h 35m
$363
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Manchester to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Manchester to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Manchester, New Hampshire-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Manchester, New Hampshire-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Manchester, New Hampshire-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Manchester, New Hampshire-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Manchester, New Hampshire-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Manchester to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Manchester with our price prediction graph.
MHT-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Manchester to Seattle
What is the cheapest month to book a flight from Manchester, New Hampshire to Seattle?
Currently, April is the cheapest month in which you can book a flight from Manchester, New Hampshire to Seattle (average of $456). Flying from Manchester, New Hampshire to Seattle in December is currently the most expensive (average of $656). 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.
How much does it cost to fly round-trip from Manchester, New Hampshire to Seattle?
Airfare is below average for this route at the moment.
Manchester, New Hampshire to Seattle flights typically cost between $398 and $576 in October.The cheapest round-trip price found within the last 5 days was $363 on American Airlines (Oct 14-Oct 17).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 4, 2026.
See what other customers who have flown with Southwest and American Airlines from Manchester to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Manchester to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Manchester and Seattle flights
Browse other Manchester and Seattle flight options. Last updated on September 4, 2026.
Other flights from Manchester
Browse through other flights departing from Manchester. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Top 2 airlines flying from Manchester to Seattle
Discover the top 2 airlines that operate flights from Manchester to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$517 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$404 | Average$567 | FlexibilityNo cancel fee | On-time63% |