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Cheap flight deals from Williston to Portland Starting at €154

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

  • One way
  • Round-trip
      • XWA05:00 pm
        9h 37m
        1 stop
        PDX12:37 am
        Wed, Mar 12|Williston - Portland|United Airlines
        €154€510
        70% OFF
        70% OFF
        €510€154

        Choose United Airlines flights from Williston to Portland. The one-way connecting flight with United Airlines departs from Williston Basin International Airport on Wed, Mar 12, arriving at Portland International Airport. One-way Prices start from €154 including taxes and charges.

      • XWA11:34 am
        15h 3m
        1 stop
        PDX12:37 am
        Tue, Mar 11|Williston - Portland|United Airlines
        €155€510
        70% OFF
        70% OFF
        €510€155

        Choose United Airlines flights from Williston to Portland. The one-way connecting flight with United Airlines departs from Williston Basin International Airport on Tue, Mar 11, arriving at Portland International Airport. One-way Prices start from €155 including taxes and charges.

      • XWA03:00 pm
        11h 37m
        1 stop
        PDX12:37 am
        Thu, Mar 20|Williston - Portland|United Airlines
        €186€510
        64% OFF
        64% OFF
        €510€186

        Choose United Airlines flights from Williston to Portland. The one-way connecting flight with United Airlines departs from Williston Basin International Airport on Thu, Mar 20, arriving at Portland International Airport. One-way Prices start from €186 including taxes and charges.

      • XWA06:13 am
        8h 41m
        1 stop
        PDX12:54 pm
        Tue, Mar 11|Williston - Portland|Delta Air Lines
        €217
        €217

        Choose Delta Air Lines flights from Williston to Portland. The one-way connecting flight with Delta Air Lines departs from Williston Basin International Airport on Tue, Mar 11, arriving at Portland International Airport. One-way Prices start from €217 including taxes and charges.

      • XWA02:45 pm
        8h 15m
        1 stop
        PDX09:00 pm
        Tue, Apr 15|Williston - Portland|United Airlines
        €230
        €230

        Choose United Airlines flights from Williston to Portland. The one-way connecting flight with United Airlines departs from Williston Basin International Airport on Tue, Apr 15, arriving at Portland International Airport. One-way Prices start from €230 including taxes and charges.

      • XWA12:35 pm
        6h 57m
        1 stop
        PDX05:32 pm
        Thu, Mar 20|Williston - Portland|Delta Air Lines
        €328
        €328

        Choose Delta Air Lines flights from Williston to Portland. The one-way connecting flight with Delta Air Lines departs from Williston Basin International Airport on Thu, Mar 20, arriving at Portland International Airport. One-way Prices start from €328 including taxes and charges.

      • XWA07:10 am
        12h 22m
        1 stop
        PDX05:32 pm
        Wed, Mar 12|Williston - Portland|Delta Air Lines
        €449
        €449

        Choose Delta Air Lines flights from Williston to Portland. The one-way connecting flight with Delta Air Lines departs from Williston Basin International Airport on Wed, Mar 12, arriving at Portland International Airport. One-way Prices start from €449 including taxes and charges.

      • ISN01:00 pm
        3h 5m
        Nonstop
        PDX02:00 pm
        Sun, Feb 23|Williston - Portland|United Airlines
        Find More Flights
        Find More Flights

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

Williston to Portland Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5528

    United Airlines

    03:20 pm

    XWA

    2.0h

    04:23 pm

    DEN

    SMTWTFS
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  2. F92687

    Frontier Airlines

    10:50 pm

    DEN

    2.8h

    12:38 am

    PDX

    SMTWTFS

  3. UA5528

    United Airlines

    03:20 pm

    XWA

    2.0h

    04:23 pm

    DEN

    SMTWTFS
    Search

  4. UA498

    United Airlines

    07:12 pm

    DEN

    2.8h

    09:00 pm

    PDX

    SMTWTFS

  5. UA5456

    United Airlines

    05:10 pm

    XWA

    2.0h

    06:13 pm

    DEN

    SMTWT-S
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  6. F92687

    Frontier Airlines

    10:50 pm

    DEN

    2.8h

    12:38 am

    PDX

    SMTWTFS

  7. UA5456

    United Airlines

    05:10 pm

    XWA

    2.0h

    06:13 pm

    DEN

    SMTWT-S
    Search

  8. UA1325

    United Airlines

    08:59 pm

    DEN

    2.8h

    10:46 pm

    PDX

    SMTWTFS

  9. DL4296

    Delta Air Lines

    06:23 am

    XWA

    1.9h

    08:20 am

    MSP

    SMTWTFS
    Search

  10. DL2151

    Delta Air Lines

    06:35 pm

    MSP

    3.9h

    08:30 pm

    PDX

    SMTWTFS

  11. DL4296

    Delta Air Lines

    06:23 am

    XWA

    1.9h

    08:20 am

    MSP

    SMTWTFS
    Search

  12. DL1661

    Delta Air Lines

    02:20 pm

    MSP

    3.6h

    03:59 pm

    PDX

    SMTWT-S

  13. DL4296

    Delta Air Lines

    06:23 am

    XWA

    1.9h

    08:20 am

    MSP

    SMTWTFS
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  14. DL2167

    Delta Air Lines

    10:09 am

    MSP

    3.6h

    11:48 am

    PDX

    SMTWTFS

  15. UA5685

    United Airlines

    11:25 am

    XWA

    2.2h

    12:35 pm

    DEN

    SMTWT-S
    Search

  16. F92687

    Frontier Airlines

    10:50 pm

    DEN

    2.8h

    12:38 am

    PDX

    SMTWTFS

  17. DL4261

    Delta Air Lines

    12:35 pm

    XWA

    1.9h

    02:30 pm

    MSP

    SMTWTFS
    Search

  18. DL2607

    Delta Air Lines

    06:08 pm

    MSP

    3.0h

    08:08 pm

    SLC

    SMTWTFS

  19. DL1373

    Delta Air Lines

    09:20 pm

    SLC

    1.9h

    10:17 pm

    PDX

    SMTWTFS

  20. DL4261

    Delta Air Lines

    12:35 pm

    XWA

    1.9h

    02:30 pm

    MSP

    SMTWTFS
    Search

  21. DL1661

    Delta Air Lines

    02:20 pm

    MSP

    3.6h

    03:59 pm

    PDX

    SMTWT-S
Find more flights and airlines

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

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 Williston (ISN) to Portland (PDX) the cheapest?

    Airlines adjust prices for flights from Williston to Portland 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 Williston (ISN) to Portland (PDX) cost?

    According to Trip.com's data, the lowest price is around €366.

How to find a cheap flight from Williston to Portland

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 Williston to Portland. 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 | Williston to Portland

Cheapest nonstop flight price€153
Off-season for travelApril
Peak season for travelNovember
Flight distance1,465.04 km
Popular airlineDelta Air Lines

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