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$245+ Cheap flights from Trenton, NJ (TTN) 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SEA
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
1 adult, Economy
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Cheap flight deals from Trenton to Washington

One-way flights from Trenton to Washington
Search for one-way flight options from Trenton to Washington. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:33 pm
TTN
-
PDX
2 stops45h 34m
Multiple Airlines
Deal found 5/15$245
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:50 am
TTN
-
PDX
2 stops49h 49m
Allegiant Air
Deal found 5/15$266
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:28 pm
TTN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 5/15$268
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:28 pm
TTN
-
PDX
3 stops28h 30m
Multiple Airlines
Deal found 5/15$272
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:28 pm
TTN
-
PDX
2 stops31h 17m
Allegiant Air
Deal found 5/15$273
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:33 pm
TTN
-
PDX
2 stops44h 25m
Multiple Airlines
Deal found 5/15$284
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:50 am
TTN
-
PDX
3 stops33h 14m
Multiple Airlines
Deal found 5/15$323
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:33 pm
TTN
-
PDX
2 stops23h 20m
Frontier
Deal found 5/15$378
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:33 pm
TTN
-
PDX
2 stops22h 58m
Frontier
Deal found 5/15$403
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:43 am
TTN
-
PDX
3 stops26h 03m
Multiple Airlines
Deal found 5/15$590

Find flight deals from Trenton to Washington

Keep the following information in mind while searching for Trenton to Washington flight deals. Data was last updated May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

October

Average price

$418
Provider with most accurate pricing for New York (NYC)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Seattle/Tacoma Intl flights.
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton 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 May 20, 2026.
Use the filters below to find and compare flights from Trenton to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

TrentonPortland

TTN - PDX

TTNPDX

Trenton-Mercer

Fri 7/24

8:33 pm-3:07 pm

2 stops45h 34m

$245

TrentonPortland

TTN - PDX

TTNPDX

Trenton-Mercer

Thu 7/23

11:50 am-4:53 pm

3 stops32h 03m

$272

TrentonPortland

TTN - PDX

TTNPDX

Trenton-Mercer

Sat 7/18

12:28 pm-1:58 pm

3 stops28h 30m

$272

TrentonPortland

TTN - PDX

TTNPDX

Trenton-Mercer

Tue 7/21

8:33 pm-1:58 pm

2 stops44h 25m

$284
Quickest one-way

TrentonPortland

TTN - PDX

TTNPDX

Trenton-Mercer

Mon 7/20

8:33 pm-4:31 pm

2 stops22h 58m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Sorted by cheapest first

Best time to book a flight from Trenton to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Trenton with our price prediction graph.
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 Trenton to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Trenton to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trenton to Washington?

    Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Washington. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

  • Can I find deals for flights from Trenton to Washington that include hotel bookings?

    Yes. In addition to deals on Trenton to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Washington.

  • Can I find deals for business class flights from Trenton to Washington?

    Yes. Cheapflights offers flight deals from Trenton to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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