$147+ Cheap flights from Washington to New Hampshire
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Washington to New HampshireExplore the most affordable flight options available from Washington to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from Washington to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:30 pm
PDX
- BOS
1 stop7h 16m
American Airlines
Tue 8/116:30 am
BOS
- PDX
1 stop10h 22m
American Airlines
Deal found 7/1![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:30 pm
PDX
- BOS
1 stop7h 03m
United Airlines
Thu 10/156:00 am
BOS
- PDX
1 stop8h 33m
United Airlines
Deal found 7/4![United Airlines logo]()
$313
This SmartFares deal was found by Cheapflights users on 7/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 pm
PDX
- BOS
1 stop9h 00m
Alaska Airlines
Tue 8/259:33 am
BOS
- PDX
Nonstop6h 06m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$314
This lol.travel deal was found by Cheapflights users on 7/3. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:27 pm
PDX
- BOS
Nonstop5h 21m
JetBlue
Mon 8/177:19 pm
BOS
- PDX
Nonstop6h 10m
JetBlue
Deal found 7/3![JetBlue logo]()
$315
This Southwest deal was found by Cheapflights users on 7/2. 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 8/1811:30 pm
PDX
- BOS
1 stop9h 45m
Southwest
Wed 8/262:10 pm
BOS
- PDX
2 stops11h 05m
Southwest
Deal found 7/2![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Wed 9/167:45 pm
BOS
- SEA
Nonstop6h 15m
Delta
Deal found 7/2![Delta logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Sat 9/1911:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Mon 9/2811:20 am
BOS
- SEA
1 stop12h 22m
JetBlue
Deal found 7/2![JetBlue logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Tue 8/182:15 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Tue 8/259:55 am
BOS
- PDX
Nonstop6h 06m
JetBlue
Deal found 7/2![JetBlue logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Mon 9/216:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/1![JetBlue logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 9/157:00 am
PDX
- BOS
1 stop11h 27m
American Airlines
Mon 9/215:10 pm
BOS
- PDX
1 stop9h 18m
American Airlines
Deal found 7/2![American Airlines logo]()
$320
This JetBlue deal was found by Cheapflights users on 7/6. 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.
Fri 8/2811:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Sat 9/512:42 pm
BOS
- SEA
1 stop11h 26m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/310:30 pm
PDX
- BOS
1 stop7h 13m
American Airlines
Mon 8/106:00 am
BOS
- PDX
1 stop8h 50m
American Airlines
Deal found 7/6![American Airlines logo]()
$322
Best flights from Washington to New HampshireDiscover carefully curated flight deals from Washington to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from Washington to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sat 9/2610:45 pm
PDX
- MHT
1 stop9h 20m
Southwest
Sat 10/34:50 pm
MHT
- PDX
1 stop7h 50m
Southwest
Deal found 7/2![Southwest logo]()
$324
This JetBlue deal was found by Cheapflights users on 7/6. 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.
Fri 10/910:15 pm
SEA
- BOS
1 stop9h 31m
JetBlue
Sat 10/176:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/6![JetBlue logo]()
$326
This Delta deal was found by Cheapflights users on 7/5. 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 8/177:15 pm
GEG
- BOS
1 stop8h 15m
Delta
Tue 8/257:45 am
BOS
- GEG
1 stop10h 34m
Delta
Deal found 7/5![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 12/55:06 am
GEG
- BOS
1 stop7h 21m
Alaska Airlines
Wed 12/96:32 pm
BOS
- GEG
1 stop8h 46m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:03 pm
SEA
- BOS
1 stop7h 36m
United Airlines
Sat 11/72:35 pm
BOS
- SEA
1 stop9h 03m
United Airlines
Deal found 7/4![United Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 10/176:30 am
GEG
- PWM
2 stops14h 13m
American Airlines
Sat 10/247:00 am
PWM
- GEG
1 stop9h 21m
American Airlines
Deal found 7/2![American Airlines logo]()
$412
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/12:16 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Wed 8/269:55 am
BOS
- PDX
Nonstop6h 06m
JetBlue
Deal found 7/4![JetBlue logo]()
$327
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:36 pm
GEG
- BOS
1 stop8h 05m
Delta
Tue 8/257:10 am
BOS
- GEG
1 stop8h 47m
Delta
Deal found 7/2![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 7/4. 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.
Sat 10/247:50 am
SEA
- BOS
1 stop9h 20m
Southwest
Tue 11/31:15 pm
BOS
- SEA
2 stops13h 15m
Southwest
Deal found 7/4![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:38 pm
PDX
- BOS
1 stop9h 11m
Alaska Airlines
Wed 9/28:00 am
BOS
- PDX
1 stop11h 53m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/6. 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 9/12:27 pm
PDX
- BOS
1 stop7h 44m
United Airlines
Tue 9/812:41 pm
BOS
- PDX
2 stops10h 29m
United Airlines
Deal found 7/6![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 7/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:36 pm
GEG
- BOS
1 stop9h 49m
Delta
Thu 8/276:45 pm
BOS
- GEG
1 stop8h 08m
Delta
Deal found 7/4![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 10/12:27 pm
PDX
- BOS
1 stop7h 32m
United Airlines
Tue 10/69:30 am
BOS
- PDX
2 stops14h 40m
United Airlines
Deal found 7/2![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/3. 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.
Mon 11/29:10 am
SEA
- BOS
2 stops10h 20m
Southwest
Mon 11/97:05 am
BOS
- SEA
1 stop9h 10m
Southwest
Deal found 7/3![Southwest logo]()
$352
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:16 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Sat 8/17:19 pm
BOS
- PDX
Nonstop6h 12m
JetBlue
Deal found 7/4![JetBlue logo]()
$367
This Southwest deal was found by Cheapflights users on 7/4. 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.
Thu 9/1711:05 pm
SEA
- BOS
1 stop6h 55m
Southwest
Sun 9/208:00 am
BOS
- SEA
1 stop13h 05m
Southwest
Deal found 7/4![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:03 am
GEG
- BOS
1 stop19h 46m
Alaska Airlines
Sat 9/128:00 am
BOS
- GEG
1 stop18h 53m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Mon 11/27:07 pm
PDX
- BOS
2 stops11h 18m
United Airlines
Mon 11/99:00 am
BOS
- PDX
2 stops14h 28m
United Airlines
Deal found 7/6![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:35 am
PDX
- PWM
2 stops12h 26m
Delta
Sat 8/296:00 am
PWM
- PDX
1 stop8h 41m
Delta
Deal found 7/2![Delta logo]()
$368
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:08 pm
PDX
- MHT
1 stop9h 35m
American Airlines
Mon 9/215:59 pm
MHT
- PDX
1 stop9h 08m
American Airlines
Deal found 7/5![American Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 7/1. 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 9/27:00 am
GEG
- BOS
2 stops11h 20m
Southwest
Wed 9/93:20 pm
BOS
- GEG
2 stops10h 05m
Southwest
Deal found 7/1![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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.
Fri 9/259:36 pm
PDX
- BOS
Nonstop5h 33m
Alaska Airlines
Tue 9/299:33 am
BOS
- PDX
Nonstop6h 05m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 10/245:00 am
SEA
- PWM
2 stops12h 00m
United Airlines
Tue 10/275:08 pm
PWM
- SEA
1 stop8h 45m
United Airlines
Deal found 7/2![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 11/186:32 am
GEG
- MHT
2 stops13h 20m
American Airlines
Wed 12/211:37 am
MHT
- GEG
2 stops14h 31m
American Airlines
Deal found 7/3![American Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/6. 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 8/1811:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Tue 8/257:45 am
BOS
- SEA
Nonstop6h 23m
Delta
Deal found 7/6![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 7/5. 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 10/67:35 am
GEG
- BOS
2 stops10h 50m
Southwest
Thu 10/155:00 am
BOS
- GEG
1 stop8h 00m
Southwest
Deal found 7/5![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:36 pm
PDX
- BOS
Nonstop5h 33m
Alaska Airlines
Tue 10/67:00 am
BOS
- PDX
1 stop9h 27m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 10/106:30 am
GEG
- PWM
2 stops13h 06m
American Airlines
Sat 10/177:00 am
PWM
- GEG
1 stop9h 21m
American Airlines
Deal found 7/2![American Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/3. 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 8/1911:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Wed 8/264:05 pm
BOS
- SEA
Nonstop6h 35m
Delta
Deal found 7/3![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/307:11 am
SEA
- BOS
1 stop10h 51m
United Airlines
Sat 10/39:23 am
BOS
- SEA
2 stops14h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$388
Last-minute flights from Washington to New HampshireDiscover last-minute flight deals from Washington to New Hampshire. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to New Hampshire. Data last updated July 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/310:30 pm
PDX
- BOS
1 stop7h 13m
American Airlines
Mon 8/106:00 am
BOS
- PDX
1 stop8h 50m
American Airlines
Deal found 7/6![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:30 pm
PDX
- BOS
1 stop7h 16m
American Airlines
Tue 8/116:30 am
BOS
- PDX
1 stop10h 22m
American Airlines
Deal found 7/1![American Airlines logo]()
$312
This lol.travel deal was found by Cheapflights users on 7/3. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:27 pm
PDX
- BOS
Nonstop5h 21m
JetBlue
Mon 8/177:19 pm
BOS
- PDX
Nonstop6h 10m
JetBlue
Deal found 7/3![JetBlue logo]()
$315
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 8/1210:13 pm
SEA
- BOS
1 stop10h 12m
JetBlue
Wed 8/197:09 am
BOS
- SEA
Nonstop6h 21m
JetBlue
Deal found 7/6![JetBlue logo]()
$318
This Super.com deal was found by Cheapflights users on 7/6. 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 8/132:15 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Mon 8/179:55 am
BOS
- PDX
Nonstop6h 06m
JetBlue
Deal found 7/6![JetBlue logo]()
$323
This Southwest deal was found by Cheapflights users on 7/2. 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.
Mon 8/1711:30 pm
PDX
- BOS
1 stop9h 45m
Southwest
Fri 8/2111:15 am
BOS
- PDX
1 stop11h 05m
Southwest
Deal found 7/2![Southwest logo]()
$320
This SmartFares deal was found by Cheapflights users on 7/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 pm
PDX
- BOS
1 stop9h 00m
Alaska Airlines
Tue 8/259:33 am
BOS
- PDX
Nonstop6h 06m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/2. 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 8/1811:30 pm
PDX
- BOS
1 stop9h 45m
Southwest
Wed 8/262:10 pm
BOS
- PDX
2 stops11h 05m
Southwest
Deal found 7/2![Southwest logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Tue 8/182:15 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Tue 8/259:55 am
BOS
- PDX
Nonstop6h 06m
JetBlue
Deal found 7/2![JetBlue logo]()
$319
This SmartFares deal was found by Cheapflights users on 7/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:40 am
SEA
- BOS
Nonstop5h 29m
JetBlue
Wed 8/2612:44 pm
BOS
- SEA
1 stop11h 24m
JetBlue
Deal found 7/2![JetBlue logo]()
$319
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Wed 9/212:57 pm
BOS
- SEA
1 stop11h 11m
JetBlue
Deal found 7/4![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 7/6. 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.
Fri 8/2811:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Tue 9/151:00 pm
BOS
- SEA
1 stop10h 42m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
One-way flights from Washington to New HampshireSearch for one-way flight options from Washington to New Hampshire. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from Washington to New Hampshire. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 9/228:00 am
PDX
- BOS
1 stop11h 29m
American Airlines
Deal found 7/2![American Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 7/3. 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.
Thu 8/1311:30 pm
PDX
- BOS
1 stop12h 25m
Southwest
Deal found 7/3![Southwest logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:27 pm
PDX
- BOS
Nonstop5h 21m
JetBlue
Deal found 7/1![JetBlue logo]()
$156
This Southwest deal was found by Cheapflights users on 7/6. 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 9/126:00 am
PDX
- PWM
2 stops12h 00m
Southwest
Deal found 7/6![Southwest logo]()
$156
This Super.com deal was found by Cheapflights users on 7/2. 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.
Thu 8/62:15 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/2![JetBlue logo]()
$161
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/147:07 pm
PDX
- BOS
1 stop7h 52m
United Airlines
Deal found 7/3![United Airlines logo]()
$162
This JetBlue deal was found by Cheapflights users on 7/5. 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 9/12:19 pm
PDX
- BOS
Nonstop5h 59m
JetBlue
Deal found 7/5![JetBlue logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Tue 7/212:16 pm
PDX
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/2![JetBlue logo]()
$166
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:02 am
PDX
- BOS
1 stop7h 39m
United Airlines
Deal found 7/4![United Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 7/2310:40 pm
PDX
- BOS
1 stop7h 49m
United Airlines
Deal found 7/2![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 8/1812:36 pm
GEG
- BOS
1 stop9h 49m
Delta
Deal found 7/3![Delta logo]()
$169
This Super.com deal was found by Cheapflights users on 7/2. 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.
Thu 7/1611:27 pm
PDX
- BOS
Nonstop5h 21m
JetBlue
Deal found 7/2![JetBlue logo]()
$171
Find flight deals from Washington to New Hampshire
Keep the following information in mind while searching for Washington to New Hampshire flight deals. Data was last updated July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Southwest) |
One-way from | $147 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $437 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to New Hampshire 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 July 6, 2026.
Use the filters below to find and compare flights from Washington to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandManchester
PDX - MHT
PDXMHT
Portland
Sat 9/26
10:45 pm-11:05 am
1 stop9h 20m
Manchester
Sat 10/3
4:50 pm-9:40 pm
1 stop7h 50m
$324
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Fri 10/9
10:15 pm-10:46 am
1 stop9h 31m
Boston Logan Intl
Sat 10/17
6:59 pm-10:38 pm
Nonstop6h 39m
$326
Quickest round-trip
PortlandBoston
PDX - BOS
PDXBOS
Portland
Sat 8/1
2:16 pm-10:40 pm
Nonstop5h 24m
Boston Logan Intl
Wed 8/26
9:55 am-1:01 pm
Nonstop6h 06m
$327
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Mon 8/17
7:15 pm-6:30 am
1 stop8h 15m
Boston Logan Intl
Tue 8/25
7:45 am-3:19 pm
1 stop10h 34m
$337
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Sat 12/5
5:06 am-3:27 pm
1 stop7h 21m
Boston Logan Intl
Wed 12/9
6:32 pm-12:18 am
1 stop8h 46m
$337
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Fri 10/30
11:03 pm-9:39 am
1 stop7h 36m
Boston Logan Intl
Sat 11/7
2:35 pm-8:38 pm
1 stop9h 03m
$337
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Fri 8/21
12:36 pm-11:41 pm
1 stop8h 05m
Boston Logan Intl
Tue 8/25
7:10 am-12:57 pm
1 stop8h 47m
$337
SpokaneBoston
GEG - BOS
GEGBOS
Spokane
Tue 8/18
12:36 pm-1:25 am
1 stop9h 49m
Boston Logan Intl
Thu 8/27
6:45 pm-11:53 pm
1 stop8h 08m
$337
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 10/24
7:50 am-8:10 pm
1 stop9h 20m
Boston Logan Intl
Tue 11/3
1:15 pm-11:30 pm
2 stops13h 15m
$342
PortlandBoston
PDX - BOS
PDXBOS
Portland
Mon 8/31
5:38 pm-5:49 am
1 stop9h 11m
Boston Logan Intl
Wed 9/2
8:00 am-4:53 pm
1 stop11h 53m
$347
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Washington with our price prediction graph.
PDX-BOS
SEA-BOS
PDX-PWM
GEG-BOS
GEG-PWM
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 Washington to New Hampshire
USWA-USNH
PDX-BOS
SEA-BOS
PDX-PWM
GEG-BOS
What is the cheapest month to book a flight from State of Washington to New Hampshire?
Currently, September is the cheapest month in which you can book a flight from State of Washington to New Hampshire (average of $98). Flying from State of Washington to New Hampshire in February is currently the most expensive (average of $483). 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 State of Washington to New Hampshire?
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated July 6, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Washington to New Hampshire to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Washington to New Hampshire. 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 Washington to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to New Hampshire by cabin class
Find flights from Washington to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and New Hampshire flights
Browse other Washington and New Hampshire flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from New Hampshire
Find the right flight back to Washington after your stay in New Hampshire
Washington to New Hampshire flights
Consider these flights traveling from Washington to New Hampshire.
Top 2 airlines flying from Washington to New Hampshire
Discover the top 2 airlines that operate flights from Washington to New Hampshire. 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$605 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$596 | FlexibilityNo cancel fee | On-time63% |