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Cheap flight deals from Portland to Watertown Starting at €288

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
      • PDX06:32 am
        11h 3m
        1 stop
        ATY07:35 pm
        Sun, Feb 23|Portland - Watertown|Frontier Airlines
        ATY04:00 pm
        10h 37m
        1 stop
        PDX12:37 am
        Sat, Mar 1|Watertown - Portland|Denver Air Connection
        €288€571
        50% OFF
        50% OFF
        €571€288

        Choose Frontier Airlines flights from Portland to Watertown. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Sun, Feb 23-Sat, Mar 1, arriving at Watertown Regional Airport. One-way Prices start from €288 including taxes and charges.

      • PDX06:32 am
        11h 3m
        1 stop
        ATY07:35 pm
        Tue, Feb 25|Portland - Watertown|Frontier Airlines
        ATY04:00 pm
        10h 37m
        1 stop
        PDX12:37 am
        Mon, Mar 3|Watertown - Portland|Denver Air Connection
        €320€571
        44% OFF
        44% OFF
        €571€320

        Choose Frontier Airlines flights from Portland to Watertown. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Tue, Feb 25-Mon, Mar 3, arriving at Watertown Regional Airport. One-way Prices start from €320 including taxes and charges.

      • PDX10:19 am
        7h 16m
        1 stop
        ATY07:35 pm
        Tue, Feb 25|Portland - Watertown|Alaska Airlines
        ATY04:00 pm
        26h 37m
        1 stop
        PDX04:37 pm
        Mon, Mar 3|Watertown - Portland|Denver Air Connection
        €397€571
        30% OFF
        30% OFF
        €571€397

        Choose Alaska Airlines flights from Portland to Watertown. The one-way connecting flight with Alaska Airlines departs from Portland International Airport on Tue, Feb 25-Mon, Mar 3, arriving at Watertown Regional Airport. One-way Prices start from €397 including taxes and charges.

      • PDX03:21 pm
        26h 14m
        1 stop
        ATY07:35 pm
        Wed, Feb 26|Portland - Watertown|United Airlines
        ATY04:00 pm
        19h 51m
        1 stop
        PDX09:51 am
        Tue, Mar 4|Watertown - Portland|Denver Air Connection
        €403
        €403

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Wed, Feb 26-Tue, Mar 4, arriving at Watertown Regional Airport. One-way Prices start from €403 including taxes and charges.

      • PDX05:00 am
        12h 35m
        1 stop
        ATY07:35 pm
        Sun, Mar 9|Portland - Watertown|United Airlines
        ATY04:00 pm
        8h 55m
        1 stop
        PDX10:55 pm
        Sat, Mar 15|Watertown - Portland|Denver Air Connection
        €416
        €416

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Sun, Mar 9-Sat, Mar 15, arriving at Watertown Regional Airport. One-way Prices start from €416 including taxes and charges.

      • PDX05:15 pm
        24h 20m
        2 stops
        ATY07:35 pm
        Wed, Feb 26|Portland - Watertown|Delta Air Lines
        ATY04:00 pm
        9h 58m
        2 stops
        PDX11:58 pm
        Tue, Mar 4|Watertown - Portland|Denver Air Connection
        €417
        €417

        Choose Delta Air Lines flights from Portland to Watertown. The one-way connecting flight with Delta Air Lines departs from Portland International Airport on Wed, Feb 26-Tue, Mar 4, arriving at Watertown Regional Airport. One-way Prices start from €417 including taxes and charges.

      • PDX05:00 am
        12h 35m
        1 stop
        ATY07:35 pm
        Tue, Mar 4|Portland - Watertown|United Airlines
        ATY04:00 pm
        7h 10m
        1 stop
        PDX09:10 pm
        Mon, Mar 10|Watertown - Portland|Denver Air Connection
        €432
        €432

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Tue, Mar 4-Mon, Mar 10, arriving at Watertown Regional Airport. One-way Prices start from €432 including taxes and charges.

      • PDX03:21 pm
        26h 14m
        1 stop
        ATY07:35 pm
        Wed, Mar 5|Portland - Watertown|United Airlines
        ATY04:00 pm
        27h 56m
        1 stop
        PDX05:56 pm
        Tue, Mar 11|Watertown - Portland|Denver Air Connection
        €432
        €432

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Wed, Mar 5-Tue, Mar 11, arriving at Watertown Regional Airport. One-way Prices start from €432 including taxes and charges.

      • PDX03:21 pm
        26h 14m
        1 stop
        ATY07:35 pm
        Fri, Feb 28|Portland - Watertown|United Airlines
        ATY04:00 pm
        8h 55m
        1 stop
        PDX10:55 pm
        Thu, Mar 6|Watertown - Portland|Denver Air Connection
        €433
        €433

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Fri, Feb 28-Thu, Mar 6, arriving at Watertown Regional Airport. One-way Prices start from €433 including taxes and charges.

      • PDX06:59 pm
        22h 36m
        1 stop
        ATY07:35 pm
        Mon, Mar 3|Portland - Watertown|United Airlines
        ATY04:00 pm
        8h 55m
        1 stop
        PDX10:55 pm
        Sun, Mar 9|Watertown - Portland|Denver Air Connection
        €433
        €433

        Choose United Airlines flights from Portland to Watertown. The one-way connecting flight with United Airlines departs from Portland International Airport on Mon, Mar 3-Sun, Mar 9, arriving at Watertown Regional Airport. One-way Prices start from €433 including taxes and charges.

      • PDX01:00 pm
        3h 5m
        Nonstop
        ATY02:00 pm
        Wed, Feb 26|Portland - Watertown|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Portland to Watertown?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Portland (PDX) to Watertown (ATY) the cheapest?

    Airlines adjust prices for flights from Portland to Watertown based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Portland (PDX) to Watertown (ATY) cost?

    According to Trip.com's data, the lowest price is around €520.

How to find a cheap flight from Portland to Watertown

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Watertown. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Portland to Watertown

Off-season for travelJanuary
Peak season for travelDecember
Flight distance1,985.02 km
Popular airlineAlaska Airlines

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