Ontario (ONT) to Portland (PWM), Jul 4, 2027: round trips from $637, one way from $378

Ontario (ONT) to Portland (PWM), Jul 4, 2027: round trips from $637, one way from $378 on Axel, checked Nov 15, 2026. Lowest published fares: $637 round trip, Axel-exclusive, American Airlines / United Airlines, 1 stop, Jul 4–7, 2027; $378 one way, Axel-exclusive, American Airlines, 1 stop, Jul 4, 2027; 1 adult, economy, checked Nov 15, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, labelled with the check date shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and check dates already shown here.

Exact travel dates Airline Flights Times, duration, stops Total price Price checked
2027-07-04 · one way American Airlines AA1920 + AA3095 22:30:00→10:18:00 8h 48m 1 stop via CLT Axel-exclusive $378 Nov 15, 2026
2027-07-04 · one way United Airlines UA2446 + UA397 05:00:00→16:02:00 8h 02m 1 stop via DEN Axel-exclusive $390 Nov 15, 2026
2027-07-04 → 2027-07-05 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $696 Nov 15, 2026
2027-07-04 → 2027-07-05 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $708 Nov 15, 2026
2027-07-04 → 2027-07-06 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $696 Nov 15, 2026
2027-07-04 → 2027-07-06 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $708 Nov 15, 2026
2027-07-04 → 2027-07-07 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-07 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-08 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-08 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-09 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-09 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-10 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-10 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-11 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-11 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-12 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-12 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-13 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-13 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-14 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-14 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-15 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-15 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-16 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-16 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-17 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-17 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026
2027-07-04 → 2027-07-18 American Airlines / United Airlines AA1920 + AA3095 / UA287 + UA2028 22:30:00→10:18:00 8h 48m 1 stop via CLT · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $637 Nov 15, 2026
2027-07-04 → 2027-07-18 United Airlines UA2446 + UA397 / UA287 + UA2028 05:00:00→16:02:00 8h 02m 1 stop via DEN · 15:23:00→20:51:00 8h 28m 1 stop via DEN Axel-exclusive $649 Nov 15, 2026

Hotels in Portland, Maine for these trips

Hotels: under a trip, hotels in Portland, Maine for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Portland, Maine

Route overview: Los Angeles to Portland (PWM) flight deals

2027-07-04 · one way · Axel-exclusive $378

2027-07-04 · one way · Axel-exclusive $390

2027-07-04 → 2027-07-05 · Axel-exclusive $696

2027-07-04 → 2027-07-05 · Axel-exclusive $708

2027-07-04 → 2027-07-06 · Axel-exclusive $696

2027-07-04 → 2027-07-06 · Axel-exclusive $708

2027-07-04 → 2027-07-07 · Axel-exclusive $637

2027-07-04 → 2027-07-07 · Axel-exclusive $649

2027-07-04 → 2027-07-08 · Axel-exclusive $637

2027-07-04 → 2027-07-08 · Axel-exclusive $649

2027-07-04 → 2027-07-10 · Axel-exclusive $637

2027-07-04 → 2027-07-10 · Axel-exclusive $649

2027-07-04 → 2027-07-11 · Axel-exclusive $637

2027-07-04 → 2027-07-11 · Axel-exclusive $649

2027-07-04 → 2027-07-12 · Axel-exclusive $637

2027-07-04 → 2027-07-12 · Axel-exclusive $649

2027-07-04 → 2027-07-14 · Axel-exclusive $637

2027-07-04 → 2027-07-14 · Axel-exclusive $649

2027-07-04 → 2027-07-15 · Axel-exclusive $637

2027-07-04 → 2027-07-15 · Axel-exclusive $649

2027-07-04 → 2027-07-16 · Axel-exclusive $637

2027-07-04 → 2027-07-16 · Axel-exclusive $649

2027-07-04 → 2027-07-18 · Axel-exclusive $637

2027-07-04 → 2027-07-18 · Axel-exclusive $649

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