$128+ Cheap flights from New Hampshire to Washington
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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire to Washington with Cheapflights
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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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/12. 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 4/76:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Tue 4/1411:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/12![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 3/12. 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 4/276:55 pm
BOS
- PDX
1 stop8h 15m
Southwest
Sat 5/27:40 pm
PDX
- BOS
2 stops11h 15m
Southwest
Deal found 3/12![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 3/13. 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 5/21:50 pm
BOS
- PDX
2 stops11h 15m
Southwest
Sat 5/97:40 pm
PDX
- BOS
2 stops11h 15m
Southwest
Deal found 3/13![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 3/13. 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 4/36:44 pm
BOS
- PDX
1 stop8h 10m
Delta
Wed 4/812:30 am
PDX
- BOS
1 stop7h 25m
Delta
Deal found 3/13![Delta logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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.
Thu 5/2810:05 am
BOS
- PDX
Nonstop6h 02m
JetBlue
Mon 6/12:30 pm
PDX
- BOS
Nonstop5h 26m
JetBlue
Deal found 3/12![JetBlue logo]()
$242
This Southwest deal was found by Cheapflights users on 3/16. 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 5/21:50 pm
BOS
- PDX
2 stops11h 15m
Southwest
Fri 5/810:55 am
PDX
- BOS
2 stops9h 15m
Southwest
Deal found 3/16![Southwest logo]()
$249
This Southwest deal was found by Cheapflights users on 3/16. 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 5/73:45 pm
BOS
- PDX
1 stop11h 25m
Southwest
Mon 5/1111:55 pm
PDX
- BOS
2 stops9h 20m
Southwest
Deal found 3/16![Southwest logo]()
$250
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/14:52 pm
BOS
- SEA
1 stop9h 07m
United Airlines
Tue 5/51:07 pm
SEA
- BOS
1 stop7h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 3/12. 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 4/72:25 pm
BOS
- PDX
2 stops11h 45m
Southwest
Mon 4/1311:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/12![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 3/13. 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 4/146:20 pm
BOS
- SEA
1 stop8h 50m
Southwest
Tue 4/2111:45 pm
SEA
- BOS
1 stop8h 15m
Southwest
Deal found 3/13![Southwest logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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.
Wed 6/179:55 am
BOS
- PDX
Nonstop6h 09m
JetBlue
Mon 6/222:20 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Deal found 3/13![JetBlue logo]()
$257
This Southwest deal was found by Cheapflights users on 3/12. 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 5/1310:45 am
BOS
- PDX
2 stops13h 00m
Southwest
Tue 6/25:40 am
PDX
- BOS
1 stop9h 55m
Southwest
Deal found 3/12![Southwest logo]()
$258
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 March 17, 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 March 17, 2026.
This Delta deal was found by Cheapflights users on 3/12. 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 5/136:00 am
BOS
- PDX
1 stop8h 46m
Delta
Tue 6/27:00 pm
PDX
- BOS
1 stop8h 20m
Delta
Deal found 3/12![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/304:50 pm
PWM
- SEA
1 stop8h 57m
United Airlines
Tue 5/57:36 pm
SEA
- PWM
2 stops11h 47m
United Airlines
Deal found 3/13![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 3/12. 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 4/305:15 am
BOS
- PDX
2 stops12h 05m
Southwest
Mon 5/411:55 pm
PDX
- BOS
2 stops9h 20m
Southwest
Deal found 3/12![Southwest logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 9/16:32 pm
BOS
- SEA
Nonstop6h 26m
Alaska Airlines
Mon 9/145:59 pm
SEA
- BOS
1 stop10h 32m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 4/1512:06 pm
MHT
- PDX
2 stops13h 50m
American Airlines
Wed 4/2211:47 pm
PDX
- MHT
1 stop8h 55m
American Airlines
Deal found 3/16![American Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:37 am
BOS
- SEA
Nonstop6h 18m
Delta
Wed 6/311:15 am
SEA
- BOS
Nonstop5h 32m
Delta
Deal found 3/14![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 3/15. 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.
Fri 4/241:35 pm
BOS
- PDX
2 stops11h 05m
Southwest
Mon 4/2711:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/15![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 5/106:00 am
BOS
- PDX
1 stop8h 46m
Delta
Sun 5/178:11 pm
PDX
- BOS
1 stop8h 24m
Delta
Deal found 3/12![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 3/14. 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 9/910:04 am
PWM
- SEA
2 stops11h 55m
United Airlines
Fri 9/1810:47 pm
SEA
- PWM
1 stop8h 25m
United Airlines
Deal found 3/14![United Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 4/26:00 am
BOS
- PDX
Nonstop6h 23m
Alaska Airlines
Tue 4/79:00 am
PDX
- BOS
1 stop11h 59m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
BOS
- PDX
1 stop8h 46m
Delta
Tue 6/91:38 pm
PDX
- BOS
1 stop7h 45m
Delta
Deal found 3/16![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 5/14:50 pm
PWM
- SEA
1 stop8h 57m
United Airlines
Sun 5/310:41 pm
SEA
- PWM
2 stops11h 46m
United Airlines
Deal found 3/15![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 4/116:00 am
MHT
- SEA
1 stop8h 34m
American Airlines
Thu 4/1610:47 pm
SEA
- MHT
1 stop8h 10m
American Airlines
Deal found 3/16![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 3/15. 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 7/285:30 pm
BOS
- SEA
1 stop9h 50m
Southwest
Mon 8/311:05 pm
SEA
- BOS
1 stop7h 50m
Southwest
Deal found 3/15![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:30 pm
BOS
- PDX
1 stop9h 31m
Delta
Tue 6/91:38 pm
PDX
- BOS
1 stop7h 45m
Delta
Deal found 3/16![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 9/109:20 am
BOS
- GEG
1 stop10h 54m
Alaska Airlines
Tue 9/157:44 pm
GEG
- BOS
1 stop9h 18m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/1411:17 am
BOS
- PDX
2 stops12h 25m
United Airlines
Wed 4/1511:15 pm
PDX
- BOS
1 stop8h 00m
United Airlines
Deal found 3/16![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 3/12. 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.
Thu 4/96:25 am
PWM
- SEA
2 stops11h 29m
Delta
Tue 4/1411:14 pm
SEA
- PWM
1 stop9h 51m
Delta
Deal found 3/12![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 3/16. 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.
Fri 6/57:40 am
PWM
- SEA
1 stop15h 05m
Southwest
Mon 6/87:20 pm
SEA
- PWM
2 stops11h 35m
Southwest
Deal found 3/16![Southwest logo]()
$405
This American Airlines deal was found by Cheapflights users on 3/12. 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 6/95:59 pm
MHT
- PDX
1 stop8h 57m
American Airlines
Sat 6/1312:35 pm
PDX
- MHT
1 stop7h 59m
American Airlines
Deal found 3/12![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/14:50 pm
PWM
- SEA
1 stop10h 09m
United Airlines
Mon 5/410:53 pm
SEA
- PWM
2 stops12h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Sat 6/138:12 am
GEG
- BOS
1 stop18h 31m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 5/37:37 am
BOS
- PDX
1 stop8h 15m
Delta
Mon 5/188:11 pm
PDX
- BOS
1 stop8h 24m
Delta
Deal found 3/12![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 3/16. 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.
Fri 5/151:35 pm
BOS
- PDX
2 stops11h 05m
Southwest
Mon 5/1811:55 pm
PDX
- BOS
2 stops9h 20m
Southwest
Deal found 3/16![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 3/16. 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 4/213:39 pm
PWM
- SEA
2 stops11h 57m
American Airlines
Mon 4/2712:59 am
SEA
- PWM
2 stops11h 10m
American Airlines
Deal found 3/16![American Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/74:50 pm
PWM
- PDX
1 stop8h 45m
United Airlines
Mon 5/1810:15 pm
PDX
- PWM
1 stop7h 34m
United Airlines
Deal found 3/13![United Airlines logo]()
$399
This Travelocity deal was found by Cheapflights users on 3/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:10 am
BOS
- PSC
1 stop12h 12m
Alaska Airlines
Wed 8/123:59 pm
PSC
- BOS
1 stop11h 31m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 3/15. 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.
Thu 8/610:30 am
BOS
- SEA
2 stops14h 15m
Southwest
Mon 8/1711:05 pm
SEA
- BOS
2 stops10h 35m
Southwest
Deal found 3/15![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 3/15. 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 7/27:00 am
MHT
- GEG
1 stop9h 07m
American Airlines
Tue 7/76:30 am
GEG
- MHT
2 stops13h 21m
American Airlines
Deal found 3/15![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 5/94:50 pm
PWM
- PDX
1 stop8h 45m
United Airlines
Sat 5/167:45 pm
PDX
- PWM
2 stops11h 33m
United Airlines
Deal found 3/16![United Airlines logo]()
$404
Last-minute flights from New Hampshire to WashingtonDiscover last-minute flight deals from New Hampshire to Washington. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Washington. Data last updated March 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/12. 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 4/17:10 am
BOS
- PDX
1 stop9h 01m
Delta
Tue 4/2812:30 am
PDX
- BOS
1 stop7h 16m
Delta
Deal found 3/12![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 3/13. 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 4/36:44 pm
BOS
- PDX
1 stop8h 10m
Delta
Mon 4/611:15 pm
PDX
- BOS
1 stop7h 01m
Delta
Deal found 3/13![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 3/12. 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 4/76:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Tue 4/1411:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/12![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/75:25 pm
BOS
- SEA
1 stop9h 21m
United Airlines
Wed 4/87:12 am
SEA
- BOS
1 stop8h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 3/12. 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 4/72:25 pm
BOS
- PDX
2 stops11h 45m
Southwest
Mon 4/1311:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/12![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 3/13. 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 4/146:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Wed 4/1511:55 pm
PDX
- BOS
1 stop8h 00m
Southwest
Deal found 3/13![Southwest logo]()
$229
This Southwest deal was found by Cheapflights users on 3/16. 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 4/146:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Sat 4/187:40 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/16![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 3/13. 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 4/146:20 pm
BOS
- SEA
1 stop8h 50m
Southwest
Tue 4/2111:45 pm
SEA
- BOS
1 stop8h 15m
Southwest
Deal found 3/13![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/14. 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.
Wed 4/152:25 pm
BOS
- PDX
1 stop11h 45m
Southwest
Tue 4/217:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/14![Southwest logo]()
$250
This Southwest deal was found by Cheapflights users on 3/13. 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 4/251:50 pm
BOS
- SEA
2 stops11h 20m
Southwest
Wed 5/66:00 am
SEA
- BOS
1 stop7h 05m
Southwest
Deal found 3/13![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 3/13. 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 4/251:50 pm
BOS
- SEA
2 stops11h 20m
Southwest
Mon 5/411:55 pm
SEA
- BOS
2 stops9h 20m
Southwest
Deal found 3/13![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 3/12. 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 4/276:55 pm
BOS
- PDX
1 stop8h 15m
Southwest
Sat 5/27:40 pm
PDX
- BOS
2 stops11h 15m
Southwest
Deal found 3/12![Southwest logo]()
$224
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 March 17, 2026.
Search for one-way flight options from New Hampshire to Washington. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/143:18 pm
BOS
- SEA
1 stop10h 29m
American Airlines
Deal found 3/13![American Airlines logo]()
$128
This Southwest deal was found by Cheapflights users on 3/13. 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 4/86:20 pm
BOS
- SEA
1 stop8h 50m
Southwest
Deal found 3/13![Southwest logo]()
$129
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 4/83:18 pm
BOS
- PDX
1 stop10h 31m
American Airlines
Deal found 3/17![American Airlines logo]()
$130
This Flysmarter deal was found by Cheapflights users on 3/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
BOS
- SEA
Nonstop6h 19m
JetBlue
Deal found 3/15![JetBlue logo]()
$133
This Southwest deal was found by Cheapflights users on 3/13. 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 5/122:25 pm
BOS
- SEA
2 stops12h 30m
Southwest
Deal found 3/13![Southwest logo]()
$134
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 6/96:00 am
BOS
- PDX
Nonstop6h 11m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/296:00 am
BOS
- SEA
1 stop8h 34m
American Airlines
Deal found 3/15![American Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 3/12. 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 5/137:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 3/12![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 3/12. 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.
Mon 5/1111:40 am
BOS
- PDX
1 stop10h 46m
Delta
Deal found 3/12![Delta logo]()
$140
This United Airlines deal was found by Cheapflights users on 3/12. 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 9/92:35 pm
PWM
- SEA
1 stop8h 28m
United Airlines
Deal found 3/12![United Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:31 pm
BOS
- SEA
2 stops23h 56m
Frontier
Deal found 3/12![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:31 pm
BOS
- PDX
2 stops26h 21m
Frontier
Deal found 3/13![Frontier logo]()
$142
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Southwest) |
One-way from | $128 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $334 |
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 2,558,603 searches. Data last updated March 17, 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 - PDX
BOSPDX
Boston Logan Intl
Wed 5/13
6:00 am-11:46 am
1 stop8h 46m
Portland
Tue 6/2
7:00 pm-6:20 am
1 stop8h 20m
$239
Quickest round-trip
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Wed 5/6
7:37 am-10:55 am
Nonstop6h 18m
Seattle/Tacoma Intl
Wed 6/3
11:15 am-7:47 pm
Nonstop5h 32m
$297
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Sun 5/10
6:00 am-11:46 am
1 stop8h 46m
Portland
Sun 5/17
8:11 pm-7:35 am
1 stop8h 24m
$299
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Thu 4/30
4:50 pm-10:47 pm
1 stop8h 57m
Seattle/Tacoma Intl
Tue 5/5
7:36 pm-10:23 am
2 stops11h 47m
$306
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Wed 5/27
6:00 am-11:46 am
1 stop8h 46m
Portland
Tue 6/9
1:38 pm-12:23 am
1 stop7h 45m
$307
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Thu 5/28
4:30 pm-11:01 pm
1 stop9h 31m
Portland
Tue 6/9
1:38 pm-12:23 am
1 stop7h 45m
$307
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Thu 4/30
5:15 am-2:20 pm
2 stops12h 05m
Portland
Mon 5/4
11:55 pm-12:15 pm
2 stops9h 20m
$315
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Thu 4/9
6:25 am-2:54 pm
2 stops11h 29m
Seattle/Tacoma Intl
Tue 4/14
11:14 pm-12:05 pm
1 stop9h 51m
$321
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Tue 9/1
6:32 pm-9:58 pm
Nonstop6h 26m
Seattle/Tacoma Intl
Mon 9/14
5:59 pm-7:31 am
1 stop10h 32m
$322
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Fri 4/24
1:35 pm-9:40 pm
2 stops11h 05m
Portland
Mon 4/27
11:55 pm-11:00 am
1 stop8h 05m
$323
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
PWM-SEA
MHT-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
PWM-SEA
MHT-PDX
What is the cheapest month to book a flight from New Hampshire to State of Washington?
Currently, October is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $218). Flying from New Hampshire to State of Washington in March is currently the most expensive (average of $557). 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.
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 March 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andUnited 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.
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
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Alternative routes for New Hampshire to Washington
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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 March 17, 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 4 airlines flying from New Hampshire to Washington
Discover the top 4 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 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$326 | Average$543 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$347 | Average$796 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$352 | Average$519 | FlexibilityNo cancel fee | On-time63% |