$182+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Aug 31 — Sep 71
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
Cheapest
Best
Last-minute
One-way
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 1, 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 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/127:03 am
MHT
- SEA
1 stop10h 48m
American Airlines
Tue 9/226:18 am
SEA
- MHT
1 stop8h 00m
American Airlines
Deal found 7/29![American Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/29. 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 8/263:05 pm
MHT
- SEA
2 stops11h 00m
Southwest
Wed 9/210:30 pm
SEA
- MHT
1 stop8h 10m
Southwest
Deal found 7/29![Southwest logo]()
$368
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 9/32:42 pm
MHT
- SEA
1 stop11h 14m
American Airlines
Tue 9/811:56 pm
SEA
- MHT
1 stop9h 00m
American Airlines
Deal found 7/28![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/25:41 pm
MHT
- SEA
1 stop9h 18m
American Airlines
Wed 9/98:20 am
SEA
- MHT
1 stop8h 44m
American Airlines
Deal found 7/31![American Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 7/29. 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.
Mon 9/215:40 am
MHT
- SEA
2 stops10h 35m
Southwest
Mon 9/2111:05 pm
SEA
- MHT
1 stop9h 45m
Southwest
Deal found 7/29![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:25 am
MHT
- SEA
2 stops17h 01m
United Airlines
Wed 9/98:10 am
SEA
- MHT
1 stop7h 50m
United Airlines
Deal found 7/31![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 7/31. 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 9/23:05 pm
MHT
- SEA
2 stops11h 20m
Southwest
Wed 9/97:10 am
SEA
- MHT
2 stops11h 45m
Southwest
Deal found 7/31![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 8/271:50 pm
MHT
- SEA
1 stop11h 09m
American Airlines
Mon 8/319:58 pm
SEA
- MHT
1 stop9h 09m
American Airlines
Deal found 7/31![American Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:46 pm
MHT
- SEA
1 stop8h 59m
United Airlines
Mon 8/3111:00 pm
SEA
- MHT
2 stops12h 08m
United Airlines
Deal found 7/31![United Airlines logo]()
$396
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 1, 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 1, 2026.
This Southwest deal was found by Cheapflights users on 7/29. 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 8/263:05 pm
MHT
- SEA
2 stops11h 20m
Southwest
Wed 9/26:40 am
SEA
- MHT
2 stops11h 30m
Southwest
Deal found 7/29![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 7/29. 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.
Mon 9/215:40 am
MHT
- SEA
2 stops10h 35m
Southwest
Mon 9/2111:05 pm
SEA
- MHT
1 stop9h 45m
Southwest
Deal found 7/29![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 7/31. 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 9/13:05 pm
MHT
- SEA
2 stops11h 00m
Southwest
Tue 9/1511:05 pm
SEA
- MHT
1 stop9h 45m
Southwest
Deal found 7/31![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 1/76:30 am
MHT
- SEA
1 stop9h 30m
Southwest
Sun 1/1010:45 am
SEA
- MHT
1 stop7h 10m
Southwest
Deal found 7/30![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 7/31. 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 9/253:30 pm
MHT
- SEA
2 stops10h 30m
Southwest
Mon 9/2811:05 pm
SEA
- MHT
2 stops12h 15m
Southwest
Deal found 7/31![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sun 9/276:05 am
MHT
- SEA
2 stops11h 55m
Southwest
Fri 10/212:10 am
SEA
- MHT
1 stop8h 15m
Southwest
Deal found 7/28![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 7/29. 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
MHT
- SEA
2 stops12h 35m
Southwest
Sat 9/1211:05 pm
SEA
- MHT
2 stops10h 30m
Southwest
Deal found 7/29![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/1. 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 10/236:55 pm
MHT
- SEA
1 stop8h 40m
Southwest
Sat 10/2412:10 am
SEA
- MHT
1 stop8h 05m
Southwest
Deal found 8/1![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 7/31. 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.
Thu 10/11:40 pm
MHT
- SEA
2 stops13h 55m
Southwest
Sat 10/109:10 am
SEA
- MHT
2 stops9h 45m
Southwest
Deal found 7/31![Southwest logo]()
$449
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sun 11/112:55 pm
MHT
- SEA
2 stops13h 05m
Southwest
Fri 11/66:35 pm
SEA
- MHT
2 stops10h 35m
Southwest
Deal found 7/28![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sun 10/46:55 pm
MHT
- SEA
1 stop8h 55m
Southwest
Mon 10/126:50 pm
SEA
- MHT
2 stops10h 20m
Southwest
Deal found 7/27![Southwest logo]()
$472
Last-minute flights from Manchester to SeattleDiscover last-minute flight deals from Manchester to Seattle. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Manchester to Seattle. Data last updated August 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:42 pm
MHT
- SEA
1 stop11h 14m
American Airlines
Tue 8/259:58 pm
SEA
- MHT
1 stop9h 09m
American Airlines
Deal found 7/30![American Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/2010:20 am
MHT
- SEA
2 stops10h 15m
Southwest
Tue 8/256:40 am
SEA
- MHT
2 stops11h 30m
Southwest
Deal found 7/30![Southwest logo]()
$466
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/222:42 pm
MHT
- SEA
1 stop11h 14m
American Airlines
Sun 8/2310:00 pm
SEA
- MHT
1 stop9h 55m
American Airlines
Deal found 7/28![American Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 7/29. 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 8/263:05 pm
MHT
- SEA
2 stops11h 00m
Southwest
Wed 9/210:30 pm
SEA
- MHT
1 stop8h 10m
Southwest
Deal found 7/29![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:46 pm
MHT
- SEA
1 stop8h 59m
United Airlines
Sun 8/3011:00 pm
SEA
- MHT
2 stops12h 08m
United Airlines
Deal found 7/31![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 8/271:50 pm
MHT
- SEA
1 stop11h 09m
American Airlines
Mon 8/319:58 pm
SEA
- MHT
1 stop9h 09m
American Airlines
Deal found 7/31![American Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:46 pm
MHT
- SEA
1 stop8h 59m
United Airlines
Mon 8/3111:00 pm
SEA
- MHT
2 stops12h 08m
United Airlines
Deal found 7/31![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2810:20 am
MHT
- SEA
2 stops11h 00m
Southwest
Mon 8/3111:05 pm
SEA
- MHT
2 stops10h 45m
Southwest
Deal found 7/29![Southwest logo]()
$406
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 1, 2026.
Search for one-way flight options from Manchester to Seattle. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/247:01 am
MHT
- SEA
1 stop10h 12m
American Airlines
Deal found 7/28![American Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 7/28. 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 10/245:45 am
MHT
- SEA
2 stops11h 10m
Southwest
Deal found 7/28![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/146:25 pm
MHT
- SEA
1 stop8h 30m
Southwest
Deal found 7/31![Southwest logo]()
$196
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/299:25 am
MHT
- SEA
1 stop9h 41m
United Airlines
Deal found 7/27![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/202:46 pm
MHT
- SEA
2 stops11h 18m
United Airlines
Deal found 7/28![United Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 7/28. 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
MHT
- SEA
3 stops17h 02m
United Airlines
Deal found 7/28![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/212:46 pm
MHT
- SEA
1 stop8h 59m
United Airlines
Deal found 7/27![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 7/28. 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 8/125:35 am
MHT
- SEA
1 stop10h 25m
Southwest
Deal found 7/28![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/129:25 am
MHT
- SEA
2 stops17h 01m
United Airlines
Deal found 7/28![United Airlines logo]()
$299
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (American Airlines) |
One-way from | $182 (American Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $557 |
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 2,558,603 searches. Data last updated August 1, 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 - SEA
MHTSEA
Manchester
Wed 8/26
3:05 pm-11:25 pm
2 stops11h 20m
Seattle/Tacoma Intl
Wed 9/2
6:40 am-9:10 pm
2 stops11h 30m
$373
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Mon 9/21
5:40 am-1:15 pm
2 stops10h 35m
Seattle/Tacoma Intl
Mon 9/21
11:05 pm-11:50 am
1 stop9h 45m
$382
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Tue 9/1
3:05 pm-11:05 pm
2 stops11h 00m
Seattle/Tacoma Intl
Tue 9/15
11:05 pm-11:50 am
1 stop9h 45m
$396
Quickest round-trip
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Thu 1/7
6:30 am-1:00 pm
1 stop9h 30m
Seattle/Tacoma Intl
Sun 1/10
10:45 am-8:55 pm
1 stop7h 10m
$415
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Fri 9/25
3:30 pm-11:00 pm
2 stops10h 30m
Seattle/Tacoma Intl
Mon 9/28
11:05 pm-2:20 pm
2 stops12h 15m
$420
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sun 9/27
6:05 am-3:00 pm
2 stops11h 55m
Seattle/Tacoma Intl
Fri 10/2
12:10 am-11:25 am
1 stop8h 15m
$420
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sat 9/12
11:55 am-9:30 pm
2 stops12h 35m
Seattle/Tacoma Intl
Sat 9/12
11:05 pm-12:35 pm
2 stops10h 30m
$425
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Fri 10/23
6:55 pm-12:35 am
1 stop8h 40m
Seattle/Tacoma Intl
Sat 10/24
12:10 am-11:15 am
1 stop8h 05m
$448
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Thu 10/1
1:40 pm-12:35 am
2 stops13h 55m
Seattle/Tacoma Intl
Sat 10/10
9:10 am-9:55 pm
2 stops9h 45m
$449
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sun 11/1
12:55 pm-11:00 pm
2 stops13h 05m
Seattle/Tacoma Intl
Fri 11/6
6:35 pm-8:10 am
2 stops10h 35m
$458
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 $796). 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 $377 and $732 in September.The cheapest round-trip price found within the last 5 days was $363 on American Airlines (Sep 12-Sep 22).
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 1, 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.
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline
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Alternative routes for Manchester to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
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Manchester and Seattle flights
Browse other Manchester and Seattle flight options. Last updated on August 1, 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 1, 2026.
Popular flight searches
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 1, 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 2,558,603 searches. Data last updated August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$326 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$382 | Average$546 | FlexibilityNo cancel fee | On-time63% |