$172+ Cheap flights from New Hampshire to Washington
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 10/23. 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
We work with more than 300 partners to bring you better travel deals
Find cheap flights from New Hampshire to Washington 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 New Hampshire to Washington
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Hampshire to WashingtonExplore the most affordable flight options available from New Hampshire to Washington. 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 New Hampshire to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:03 am -
1 stop12h 47m
Wed 11/410:59 pm -
Nonstop5h 21m
Deal found 8/30![Alaska Airlines logo]()
$297
This flygcity.se 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop6h 17m
Sat 10/311:42 pm -
Nonstop5h 24m
Deal found 8/30![JetBlue logo]()
$312
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 10/271:29 pm -
1 stop8h 34m
Sat 10/319:05 am -
1 stop9h 19m
Deal found 9/3![United Airlines logo]()
$316
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 9/267:45 am -
1 stop9h 37m
Tue 9/297:00 am -
1 stop7h 37m
Deal found 9/3![United Airlines logo]()
$321
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop6h 17m
Tue 9/2911:42 pm -
Nonstop5h 24m
Deal found 9/2![JetBlue logo]()
$322
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.
Tue 10/272:50 pm -
2 stops10h 50m
Sat 10/316:15 am -
1 stop7h 50m
Deal found 9/3![Southwest logo]()
$326
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 9/297:45 am -
1 stop9h 37m
Tue 9/2911:14 pm -
1 stop8h 18m
Deal found 9/3![United Airlines logo]()
$328
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.
Thu 11/58:05 am -
1 stop9h 32m
Sun 11/811:10 pm -
1 stop7h 07m
Deal found 9/3![United Airlines logo]()
$343
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.
Fri 10/234:50 pm -
1 stop10h 25m
Fri 10/305:20 am -
1 stop10h 30m
Deal found 9/3![Southwest logo]()
$348
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.
Tue 10/205:55 pm -
1 stop8h 15m
Tue 10/278:45 pm -
2 stops15h 50m
Deal found 9/3![Southwest logo]()
$354
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 9/292:15 pm -
1 stop8h 55m
Wed 10/78:30 am -
1 stop7h 52m
Deal found 9/3![United Airlines logo]()
$360
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop16h 49m
Sat 10/107:19 am -
1 stop19h 02m
Deal found 8/30![Alaska Airlines logo]()
$362
Best flights from New Hampshire to WashingtonDiscover carefully curated flight deals from New Hampshire to Washington 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 New Hampshire to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop6h 17m
Wed 9/3011:42 pm -
Nonstop5h 24m
Deal found 8/31![JetBlue logo]()
$333
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.
Fri 10/234:50 pm -
1 stop10h 25m
Fri 10/305:20 am -
1 stop10h 30m
Deal found 9/3![Southwest logo]()
$348
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
2 stops10h 01m
Sat 11/1411:20 pm -
1 stop9h 38m
Deal found 9/1![Delta logo]()
$374
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:23 pm -
1 stop8h 56m
Sat 11/710:50 am -
1 stop7h 58m
Deal found 8/30![United Airlines logo]()
$375
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:28 pm -
1 stop8h 29m
Thu 1/75:47 pm -
1 stop8h 53m
Deal found 9/3![Alaska Airlines logo]()
$384
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:20 pm -
Nonstop6h 17m
Wed 9/3011:42 pm -
Nonstop5h 24m
Deal found 8/31![JetBlue logo]()
$333
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:04 am -
1 stop8h 52m
Tue 10/138:44 pm -
2 stops11h 06m
Deal found 9/3![Delta logo]()
$374
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop9h 05m
Sun 10/2511:33 pm -
1 stop6h 45m
Deal found 8/31![United 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.
Sat 9/265:45 am -
1 stop9h 45m
Sat 9/2610:45 pm -
1 stop9h 20m
Deal found 9/1![Southwest logo]()
$363
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:47 pm -
1 stop8h 18m
Wed 11/116:00 am -
1 stop7h 10m
Deal found 8/30![Delta logo]()
$375
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:03 am -
Nonstop6h 17m
Mon 11/28:59 pm -
1 stop7h 21m
Deal found 9/3![Alaska Airlines logo]()
$417
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 10/176:00 am -
1 stop8h 27m
Sat 10/245:00 am -
1 stop8h 02m
Deal found 9/3![United Airlines logo]()
$400
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.
Tue 10/202:50 pm -
2 stops12h 05m
Tue 1/126:55 am -
2 stops11h 45m
Deal found 9/3![Southwest logo]()
$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:03 pm -
1 stop9h 57m
Sat 11/1411:15 pm -
2 stops9h 04m
Deal found 9/3![Delta logo]()
$380
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:32 pm -
Nonstop6h 26m
Sun 12/68:21 am -
Nonstop5h 25m
Deal found 8/30![Alaska Airlines logo]()
$427
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.
Tue 9/292:50 pm -
1 stop8h 20m
Tue 10/610:33 pm -
2 stops12h 42m
Deal found 9/1![United Airlines logo]()
$403
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:05 am -
1 stop9h 14m
Tue 12/11:16 pm -
1 stop9h 00m
Deal found 8/30![Delta logo]()
$381
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:00 am -
Nonstop6h 26m
Tue 12/13:43 pm -
Nonstop5h 22m
Deal found 8/31![Alaska Airlines logo]()
$427
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.
Mon 11/26:35 pm -
1 stop8h 20m
Mon 11/911:20 am -
2 stops9h 30m
Deal found 9/1![Southwest logo]()
$368
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.
Thu 10/15:08 pm -
1 stop8h 48m
Sun 11/85:05 am -
1 stop7h 57m
Deal found 9/1![United Airlines logo]()
$424
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:12 am -
Nonstop6h 13m
Tue 9/297:08 am -
1 stop20h 01m
Deal found 9/3![Alaska Airlines logo]()
$430
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:55 am -
1 stop9h 55m
Sun 10/115:10 am -
1 stop7h 50m
Deal found 8/30![Delta logo]()
$393
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.
Fri 2/192:20 pm -
2 stops10h 55m
Mon 2/226:05 am -
1 stop7h 35m
Deal found 9/3![Southwest logo]()
$384
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 10/246:00 am -
2 stops9h 34m
Sun 11/15:00 am -
1 stop8h 02m
Deal found 9/1![United Airlines logo]()
$428
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:15 pm -
1 stop9h 49m
Mon 10/1911:50 pm -
2 stops10h 22m
Deal found 9/1![Delta logo]()
$404
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:33 pm -
Nonstop6h 20m
Mon 11/1610:59 pm -
Nonstop5h 21m
Deal found 8/31![Alaska Airlines logo]()
$447
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 9/305:25 am -
2 stops10h 40m
Mon 10/56:50 pm -
2 stops11h 00m
Deal found 8/30![Southwest logo]()
$387
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.
Fri 10/211:35 am -
1 stop10h 18m
Fri 10/910:33 pm -
1 stop7h 35m
Deal found 9/2![United Airlines logo]()
$434
Last-minute flights from New Hampshire to WashingtonDiscover last-minute flight deals from New Hampshire to Washington. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Washington. Data last updated September 4, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:59 pm -
1 stop9h 08m
Wed 9/307:25 am -
1 stop8h 39m
Deal found 9/3![American Airlines logo]()
$363
This flygcity.se 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop6h 17m
Sat 10/311:42 pm -
Nonstop5h 24m
Deal found 8/30![JetBlue logo]()
$312
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 9/265:01 pm -
1 stop8h 55m
Sat 10/39:05 am -
1 stop8h 52m
Deal found 9/3![United Airlines logo]()
$321
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:20 pm -
Nonstop6h 17m
Tue 9/2911:42 pm -
Nonstop5h 24m
Deal found 9/2![JetBlue logo]()
$322
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 9/297:45 am -
1 stop9h 37m
Tue 9/2911:14 pm -
1 stop8h 18m
Deal found 9/3![United Airlines logo]()
$328
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 9/292:15 pm -
1 stop8h 55m
Wed 10/78:30 am -
1 stop7h 52m
Deal found 9/3![United Airlines logo]()
$360
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop16h 49m
Sat 10/107:19 am -
1 stop19h 02m
Deal found 8/30![Alaska Airlines logo]()
$362
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 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.
Tue 10/205:55 pm -
1 stop8h 15m
Tue 10/2711:35 pm -
1 stop9h 55m
Deal found 9/3![Southwest logo]()
$343
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.
Fri 10/234:50 pm -
1 stop10h 25m
Fri 10/305:20 am -
1 stop10h 30m
Deal found 9/3![Southwest logo]()
$348
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 10/271:29 pm -
1 stop8h 34m
Sat 10/319:05 am -
1 stop9h 19m
Deal found 9/3![United Airlines logo]()
$316
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.
Tue 10/272:50 pm -
2 stops10h 50m
Sat 10/316:15 am -
1 stop7h 50m
Deal found 9/3![Southwest logo]()
$326
One-way flights from New Hampshire to WashingtonSearch for one-way flight options from New Hampshire to Washington. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from New Hampshire to Washington. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
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 9/256:17 pm -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$172
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:20 pm -
Nonstop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$173
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 pm -
Nonstop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![JetBlue logo]()
$175
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:20 pm -
Nonstop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![JetBlue logo]()
$176
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:20 pm -
Nonstop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$177
This Southwest deal was found by Cheapflights users on 9/4. 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 11/41:20 pm -
2 stops11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$177
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:20 pm -
Nonstop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![JetBlue logo]()
$178
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.
Thu 9/2412:40 pm -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$179
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 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.
Wed 9/236:15 pm -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$182
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.
Tue 9/225:35 am -
2 stops10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$182
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Alaska Airlines logo]()
$182
Find flight deals from New Hampshire to Washington
Keep the following information in mind while searching for New Hampshire to Washington flight deals. Data was last updated September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Booking.com) |
One-way from | $172 (United Airlines) |
Popular in | December |
Cheapest in | March |
Average price | $400 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire to Washington 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 New Hampshire to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPortland
BOS Boston Logan Intl - PDX Portland
BOSPDX
Boston Logan Intl
Fri 10/23
10:50 am-7:35 pm
1 stop11h 45m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$172
BostonPortland
BOS Boston Logan Intl - PDX Portland
BOSPDX
Boston Logan Intl
Sat 11/14
1:29 pm-7:12 pm
1 stop8h 43m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$172
BostonSeattle
BOS Boston Logan Intl - SEA Seattle/Tacoma Intl
BOSSEA
Boston Logan Intl
Thu 11/19
7:10 am-12:50 pm
1 stop8h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
BostonSeattle
BOS Boston Logan Intl - SEA Seattle/Tacoma Intl
BOSSEA
Boston Logan Intl
Mon 11/23
6:00 am-12:19 pm
1 stop9h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
BostonSeattle
BOS Boston Logan Intl - SEA Seattle/Tacoma Intl
BOSSEA
Boston Logan Intl
Thu 9/24
12:40 pm-6:20 pm
1 stop8h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
ManchesterPortland
MHT Manchester - PDX Portland
MHTPDX
Manchester
Wed 9/23
6:15 pm-11:15 pm
1 stop8h 00m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
ManchesterPortland
MHT Manchester - PDX Portland
MHTPDX
Manchester
Sat 10/3
4:50 pm-9:40 pm
1 stop7h 50m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/20
6:04 am-11:56 am
1 stop8h 52m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/27
6:03 am-11:56 am
1 stop8h 53m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
PortlandPortland
PWM Portland - PDX Portland
PWMPDX
Portland
Tue 10/6
6:04 am-11:56 am
1 stop8h 52m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from New Hampshire with our price prediction graph.
BOS-PDX
BOS-SEA
BOS-GEG
PWM-PDX
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 New Hampshire to Washington
USNH-USWA
BOS-PDX
BOS-SEA
BOS-GEG
PWM-PDX
What is the cheapest month to book a flight from New Hampshire to State of Washington?
Currently, February is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $462). Flying from New Hampshire to State of Washington 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 New Hampshire to State of Washington?
Airfare is below average for this route at the moment.
New Hampshire to State of Washington 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 Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 4, 2026.
See what other customers who have flown with Southwest and American Airlines from New Hampshire to Washington have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for New Hampshire to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to Washington by cabin class
Find flights from New Hampshire to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and Washington flights
Browse other New Hampshire and Washington flight options. Last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to New Hampshire after your stay in Washington
New Hampshire to Washington flights
Consider these flights traveling from New Hampshire to Washington.
Top 2 airlines flying from New Hampshire to Washington
Discover the top 2 airlines that operate flights from New Hampshire to Washington. 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$557 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$582 | FlexibilityNo cancel fee | On-time63% |