$169+ Cheap flights from Manchester, NH to Seattle (MHT - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Sep 20 — Sep 271
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 August 21, 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 August 21, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/155:59 pm -
1 stop9h 12m
Wed 9/231:40 pm -
1 stop7h 51m
Deal found 8/18![American Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/17. 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 11/42:10 pm -
2 stops12h 20m
Wed 11/1811:20 am -
1 stop6h 55m
Deal found 8/17![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/49:25 am -
2 stops14h 54m
Mon 11/99:00 am -
2 stops11h 59m
Deal found 8/17![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/165:59 pm -
1 stop9h 12m
Fri 9/181:40 pm -
1 stop7h 53m
Deal found 8/19![American Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/19. 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 9/293:05 pm -
2 stops11h 35m
Thu 10/112:10 am -
1 stop7h 40m
Deal found 8/19![Southwest logo]()
$358
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/155:59 pm -
1 stop9h 12m
Thu 9/2410:59 am -
1 stop10h 16m
Deal found 8/17![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 8/19. 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 9/293:05 pm -
2 stops11h 35m
Thu 10/18:40 pm -
2 stops11h 10m
Deal found 8/19![Southwest logo]()
$363
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/145:59 pm -
1 stop9h 12m
Thu 9/1712:40 pm -
1 stop7h 51m
Deal found 8/20![American Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 8/20. 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 9/163:05 pm -
2 stops11h 35m
Fri 9/1811:05 pm -
1 stop9h 10m
Deal found 8/20![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 8/18. 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 9/86:15 pm -
1 stop8h 25m
Wed 9/910:30 pm -
1 stop8h 10m
Deal found 8/18![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/299:25 am -
2 stops12h 27m
Fri 10/27:00 am -
2 stops13h 56m
Deal found 8/19![United Airlines logo]()
$380
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 August 21, 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 August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/122:46 pm -
2 stops10h 59m
Wed 9/238:10 am -
1 stop7h 50m
Deal found 8/21![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 8/17. 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 40m
Mon 10/266:50 pm -
2 stops10h 20m
Deal found 8/17![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 8/19. 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 9/296:15 pm -
1 stop8h 25m
Thu 10/18:40 pm -
2 stops11h 10m
Deal found 8/19![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 8/17. 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 9/166:15 pm -
1 stop8h 25m
Wed 9/235:20 am -
2 stops9h 15m
Deal found 8/17![Southwest logo]()
$383
This United Airlines deal was found by Cheapflights users on 8/21. 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
Mon 9/1411:00 pm -
2 stops12h 08m
Deal found 8/21![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/122:46 pm -
1 stop8h 32m
Mon 9/2111:00 pm -
2 stops12h 08m
Deal found 8/20![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 8/20. 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 9/233:05 pm -
2 stops11h 35m
Wed 9/305:20 am -
2 stops9h 15m
Deal found 8/20![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/319:25 am -
2 stops17h 06m
Wed 11/48:30 am -
2 stops12h 29m
Deal found 8/20![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 8/21. 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 9/1211:55 am -
2 stops12h 35m
Wed 9/235:20 am -
2 stops9h 15m
Deal found 8/21![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/17. 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 -
1 stop9h 26m
Tue 9/298:25 am -
1 stop7h 36m
Deal found 8/17![United Airlines logo]()
$463
Last-minute flights from Manchester to SeattleDiscover last-minute flight deals from Manchester to Seattle. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Manchester to Seattle. Data last updated August 21, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/18. 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 9/86:15 pm -
1 stop8h 25m
Wed 9/910:30 pm -
1 stop8h 10m
Deal found 8/18![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/122:46 pm -
2 stops10h 59m
Wed 9/238:10 am -
1 stop7h 50m
Deal found 8/21![United Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Mon 9/145:59 pm -
1 stop9h 12m
Thu 9/1712:40 pm -
1 stop7h 51m
Deal found 8/20![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/155:59 pm -
1 stop9h 12m
Wed 9/231:40 pm -
1 stop7h 51m
Deal found 8/18![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/159:25 am -
2 stops12h 50m
Mon 9/2111:00 pm -
2 stops12h 08m
Deal found 8/20![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/155:59 pm -
1 stop9h 12m
Thu 9/2410:59 am -
1 stop10h 16m
Deal found 8/17![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/165:59 pm -
1 stop9h 12m
Fri 9/181:40 pm -
1 stop7h 53m
Deal found 8/19![American Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/20. 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 9/163:05 pm -
2 stops11h 35m
Fri 9/1811:05 pm -
1 stop9h 10m
Deal found 8/20![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 8/19. 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 9/296:15 pm -
1 stop8h 25m
Thu 10/18:40 pm -
2 stops11h 10m
Deal found 8/19![Southwest logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/299:25 am -
2 stops12h 27m
Fri 10/27:00 am -
2 stops13h 56m
Deal found 8/19![United Airlines logo]()
$380
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 August 21, 2026.
Search for one-way flight options from Manchester to Seattle. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/155:14 pm -
1 stop8h 43m
Deal found 8/17![American Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/152:46 pm -
2 stops10h 59m
Deal found 8/17![United Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 8/21. 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 10/166:55 pm -
1 stop8h 40m
Deal found 8/21![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 8/20. 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 9/153:05 pm -
2 stops11h 35m
Deal found 8/20![Southwest logo]()
$190
This American Airlines deal was found by Cheapflights users on 8/21. 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 -
1 stop8h 55m
Deal found 8/21![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/145:59 pm -
1 stop9h 12m
Deal found 8/19![American Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 8/21. 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 10/72:59 pm -
2 stops11h 11m
Deal found 8/21![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/229:25 am -
2 stops16h 20m
Deal found 8/21![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 8/21. 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 10/11:40 pm -
2 stops13h 55m
Deal found 8/21![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/239:25 am -
1 stop9h 26m
Deal found 8/19![United Airlines logo]()
$240
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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (American Airlines) |
One-way from | $169 (American Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $566 |
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 August 21, 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 9/12
2:46 pm-10:45 pm
2 stops10h 59m
Seattle/Tacoma Intl
Wed 9/23
8:10 am-7:00 pm
1 stop7h 50m
$342
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Thu 10/22
6:55 pm-12:35 am
1 stop8h 40m
Seattle/Tacoma Intl
Mon 10/26
6:50 pm-8:10 am
2 stops10h 20m
$342
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Tue 9/29
6:15 pm-11:40 pm
1 stop8h 25m
Seattle/Tacoma Intl
Thu 10/1
8:40 pm-10:50 am
2 stops11h 10m
$358
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Wed 9/16
6:15 pm-11:40 pm
1 stop8h 25m
Seattle/Tacoma Intl
Wed 9/23
5:20 am-5:35 pm
2 stops9h 15m
$383
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Wed 9/23
3:05 pm-11:40 pm
2 stops11h 35m
Seattle/Tacoma Intl
Wed 9/30
5:20 am-5:35 pm
2 stops9h 15m
$428
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sat 9/12
11:55 am-9:30 pm
2 stops12h 35m
Seattle/Tacoma Intl
Wed 9/23
5:20 am-5:35 pm
2 stops9h 15m
$439
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Thu 9/10
2:46 pm-8:18 pm
1 stop8h 32m
Seattle/Tacoma Intl
Mon 9/14
11:00 pm-2:08 pm
2 stops12h 08m
$449
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sat 9/12
2:46 pm-8:18 pm
1 stop8h 32m
Seattle/Tacoma Intl
Mon 9/21
11:00 pm-2:08 pm
2 stops12h 08m
$452
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sat 10/31
9:25 am-11:31 pm
2 stops17h 06m
Seattle/Tacoma Intl
Wed 11/4
8:30 am-11:59 pm
2 stops12h 29m
$458
Quickest round-trip
ManchesterSeattle
MHT Manchester - SEA Seattle/Tacoma Intl
MHTSEA
Manchester
Sat 9/26
9:25 am-3:51 pm
1 stop9h 26m
Seattle/Tacoma Intl
Tue 9/29
8:25 am-7:01 pm
1 stop7h 36m
$463
Showing 1-10 of 20 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 August.
| 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 $441 and $686 in September.The cheapest round-trip price found within the last 5 days was $337 on American Airlines (Sep 15-Sep 23).
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 August 21, 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.
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
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Tacoma
Lacey
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Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Kent
Marysville
Ellensburg
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Alternative routes for Manchester to Seattle
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Manchester and Seattle flights
Browse other Manchester and Seattle flight options. Last updated on August 21, 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 August 21, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 August 21, 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 August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$416 | Average$567 | FlexibilityNo cancel fee | On-time63% |