$178+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Jul 18 — Jul 251
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 June 18, 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 June 18, 2026.
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/146:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Tue 7/2111:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/17. 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 10/146:05 pm
MHT
- SEA
1 stop8h 00m
Southwest
Mon 10/1912:15 am
SEA
- MHT
2 stops9h 45m
Southwest
Deal found 6/17![Southwest logo]()
$360
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/146:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Wed 7/2211:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/14. 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 8/265:41 pm
MHT
- SEA
1 stop9h 18m
American Airlines
Mon 8/3111:56 pm
SEA
- MHT
1 stop8h 46m
American Airlines
Deal found 6/14![American Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/14. 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 32m
United Airlines
Mon 8/3111:00 pm
SEA
- MHT
2 stops12h 08m
United Airlines
Deal found 6/14![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Tue 7/2111:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/18![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/15. 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 9/175:59 pm
MHT
- SEA
1 stop9h 12m
American Airlines
Mon 9/2110:45 pm
SEA
- MHT
1 stop8h 23m
American Airlines
Deal found 6/15![American Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 6/17. 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.
Tue 10/66:40 am
MHT
- SEA
1 stop9h 10m
Southwest
Thu 10/812:15 am
SEA
- MHT
1 stop7h 45m
Southwest
Deal found 6/17![Southwest logo]()
$406
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 June 18, 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 June 18, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 10/66:05 pm
MHT
- SEA
1 stop8h 00m
Southwest
Thu 10/812:15 am
SEA
- MHT
1 stop7h 45m
Southwest
Deal found 6/14![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 6/15. 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 10/66:05 pm
MHT
- SEA
1 stop8h 00m
Southwest
Sat 10/1012:15 am
SEA
- MHT
1 stop7h 55m
Southwest
Deal found 6/15![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 6/15. 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 8/301:10 pm
MHT
- SEA
2 stops11h 35m
Southwest
Tue 9/811:05 pm
SEA
- MHT
2 stops10h 45m
Southwest
Deal found 6/15![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 6/16. 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 8/155:45 am
MHT
- SEA
2 stops13h 55m
Southwest
Wed 8/2610:30 pm
SEA
- MHT
1 stop8h 10m
Southwest
Deal found 6/16![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 6/15. 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 10/66:05 pm
MHT
- SEA
1 stop8h 00m
Southwest
Mon 10/1211:30 am
SEA
- MHT
2 stops9h 45m
Southwest
Deal found 6/15![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 6/16. 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 9/36:25 pm
MHT
- SEA
1 stop8h 05m
Southwest
Sun 9/135:40 am
SEA
- MHT
1 stop13h 25m
Southwest
Deal found 6/16![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 6/16. 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 8/25:45 am
MHT
- SEA
2 stops11h 30m
Southwest
Mon 8/1011:05 pm
SEA
- MHT
1 stop9h 45m
Southwest
Deal found 6/16![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 6/16. 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 7/275:05 am
MHT
- SEA
2 stops10h 00m
Southwest
Mon 8/311:05 pm
SEA
- MHT
1 stop9h 45m
Southwest
Deal found 6/16![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 6/18. 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 7/216:15 pm
MHT
- SEA
1 stop9h 10m
Southwest
Mon 7/277:30 pm
SEA
- MHT
2 stops10h 00m
Southwest
Deal found 6/18![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 6/18. 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.
Sun 7/267:10 pm
MHT
- SEA
1 stop8h 00m
Southwest
Wed 7/297:30 pm
SEA
- MHT
2 stops10h 10m
Southwest
Deal found 6/18![Southwest logo]()
$503
Last-minute flights from Manchester to SeattleDiscover last-minute flight deals from Manchester to Seattle. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Manchester to Seattle. Data last updated June 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/14. 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 6/306:07 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Sun 7/1211:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/412:01 pm
MHT
- SEA
1 stop11h 36m
American Airlines
Sat 7/1110:22 am
SEA
- MHT
1 stop10h 25m
American Airlines
Deal found 6/18![American Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 6/18. 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.
Sat 7/411:40 am
MHT
- SEA
2 stops12h 35m
Southwest
Sat 7/116:15 pm
SEA
- MHT
2 stops10h 50m
Southwest
Deal found 6/18![Southwest logo]()
$424
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/146:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Tue 7/2111:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/146:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Wed 7/2211:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Tue 7/2111:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/18![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/176:18 pm
MHT
- SEA
1 stop9h 41m
American Airlines
Wed 7/2211:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/215:38 am
MHT
- SEA
1 stop9h 29m
American Airlines
Tue 7/2111:56 pm
SEA
- MHT
1 stop8h 35m
American Airlines
Deal found 6/14![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 7/236:18 pm
MHT
- SEA
1 stop9h 34m
American Airlines
Tue 7/2812:40 pm
SEA
- MHT
1 stop7h 57m
American Airlines
Deal found 6/17![American Airlines logo]()
$430
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 June 18, 2026.
Search for one-way flight options from Manchester to Seattle. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/252:42 pm
MHT
- SEA
1 stop11h 14m
American Airlines
Deal found 6/16![American Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 6/16. 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 8/253:05 pm
MHT
- SEA
2 stops11h 00m
Southwest
Deal found 6/16![Southwest logo]()
$183
This Southwest deal was found by Cheapflights users on 6/17. 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.
Mon 8/176:25 pm
MHT
- SEA
1 stop8h 05m
Southwest
Deal found 6/17![Southwest logo]()
$191
This Southwest deal was found by Cheapflights users on 6/17. 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.
Mon 8/243:30 pm
MHT
- SEA
2 stops10h 25m
Southwest
Deal found 6/17![Southwest logo]()
$196
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/412:01 pm
MHT
- SEA
1 stop11h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$211
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/49:25 am
MHT
- SEA
3 stops16h 53m
United Airlines
Deal found 6/15![United Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/176:18 pm
MHT
- SEA
1 stop9h 41m
American Airlines
Deal found 6/16![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/16. 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 9/239:25 am
MHT
- SEA
3 stops17h 01m
United Airlines
Deal found 6/16![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/105:41 pm
MHT
- SEA
1 stop9h 18m
American Airlines
Deal found 6/17![American Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 6/16. 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 8/35:05 am
MHT
- SEA
2 stops11h 50m
Southwest
Deal found 6/16![Southwest logo]()
$264
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $355 (American Airlines) |
One-way from | $178 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $597 |
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 June 18, 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
Quickest round-trip
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Tue 10/6
6:05 pm-11:05 pm
1 stop8h 00m
Seattle/Tacoma Intl
Thu 10/8
12:15 am-11:00 am
1 stop7h 45m
$406
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Tue 10/6
6:05 pm-11:05 pm
1 stop8h 00m
Seattle/Tacoma Intl
Sat 10/10
12:15 am-11:10 am
1 stop7h 55m
$416
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sun 8/30
1:10 pm-9:45 pm
2 stops11h 35m
Seattle/Tacoma Intl
Tue 9/8
11:05 pm-12:50 pm
2 stops10h 45m
$417
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sat 8/15
5:45 am-4:40 pm
2 stops13h 55m
Seattle/Tacoma Intl
Wed 8/26
10:30 pm-9:40 am
1 stop8h 10m
$434
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Tue 10/6
6:05 pm-11:05 pm
1 stop8h 00m
Seattle/Tacoma Intl
Mon 10/12
11:30 am-12:15 am
2 stops9h 45m
$452
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Thu 9/3
6:25 pm-11:30 pm
1 stop8h 05m
Seattle/Tacoma Intl
Sun 9/13
5:40 am-10:05 pm
1 stop13h 25m
$462
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sun 8/2
5:45 am-2:15 pm
2 stops11h 30m
Seattle/Tacoma Intl
Mon 8/10
11:05 pm-11:50 am
1 stop9h 45m
$492
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Mon 7/27
5:05 am-12:05 pm
2 stops10h 00m
Seattle/Tacoma Intl
Mon 8/3
11:05 pm-11:50 am
1 stop9h 45m
$502
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Tue 7/21
6:15 pm-12:25 am
1 stop9h 10m
Seattle/Tacoma Intl
Mon 7/27
7:30 pm-8:30 am
2 stops10h 00m
$503
ManchesterSeattle
MHT - SEA
MHTSEA
Manchester
Sun 7/26
7:10 pm-12:10 am
1 stop8h 00m
Seattle/Tacoma Intl
Wed 7/29
7:30 pm-8:40 am
2 stops10h 10m
$503
Showing 1-10 of 19 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 June.
| 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, September is the cheapest month in which you can book a flight from Manchester, New Hampshire to Seattle (average of $436). 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?
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 June 18, 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.
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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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.
Search flights from Manchester to Seattle by cabin class
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Manchester and Seattle flights
Browse other Manchester and Seattle flight options. Last updated on June 18, 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 June 18, 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 June 18, 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$344 | Average$547 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$379 | Average$458 | FlexibilityNo cancel fee | On-time63% |